v0.3.30: duplication, control bar fixes

update migration file for notekeeping purpose

apps/sim/app/api/billing/update-cost/route.ts

@@ -3,8 +3,7 @@ import { eq, sql } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
 import { checkInternalApiKey } from '@/lib/copilot/utils'
-import { env } from '@/lib/env'
-import { isBillingEnabled, isProd } from '@/lib/environment'
+import { isBillingEnabled } from '@/lib/environment'
 import { createLogger } from '@/lib/logs/console/logger'
 import { db } from '@/db'
 import { userStats } from '@/db/schema'
@@ -17,6 +16,7 @@ const UpdateCostSchema = z.object({
   input: z.number().min(0, 'Input tokens must be a non-negative number'),
   output: z.number().min(0, 'Output tokens must be a non-negative number'),
   model: z.string().min(1, 'Model is required'),
+  multiplier: z.number().min(0),
 })
 
 /**
@@ -75,27 +75,27 @@ export async function POST(req: NextRequest) {
       )
     }
 
-    const { userId, input, output, model } = validation.data
+    const { userId, input, output, model, multiplier } = validation.data
 
     logger.info(`[${requestId}] Processing cost update`, {
       userId,
       input,
       output,
       model,
+      multiplier,
     })
 
     const finalPromptTokens = input
     const finalCompletionTokens = output
     const totalTokens = input + output
 
-    // Calculate cost using COPILOT_COST_MULTIPLIER (only in production, like normal executions)
-    const copilotMultiplier = isProd ? env.COPILOT_COST_MULTIPLIER || 1 : 1
+    // Calculate cost using provided multiplier (required)
     const costResult = calculateCost(
       model,
       finalPromptTokens,
       finalCompletionTokens,
       false,
-      copilotMultiplier
+      multiplier
     )
 
     logger.info(`[${requestId}] Cost calculation result`, {
@@ -104,7 +104,7 @@ export async function POST(req: NextRequest) {
       promptTokens: finalPromptTokens,
       completionTokens: finalCompletionTokens,
       totalTokens: totalTokens,
-      copilotMultiplier,
+      multiplier,
       costResult,
     })
 
@@ -127,6 +127,10 @@ export async function POST(req: NextRequest) {
         totalTokensUsed: totalTokens,
         totalCost: costToStore.toString(),
         currentPeriodCost: costToStore.toString(),
+        // Copilot usage tracking
+        totalCopilotCost: costToStore.toString(),
+        totalCopilotTokens: totalTokens,
+        totalCopilotCalls: 1,
         lastActive: new Date(),
       })
 
@@ -141,6 +145,10 @@ export async function POST(req: NextRequest) {
         totalTokensUsed: sql`total_tokens_used + ${totalTokens}`,
         totalCost: sql`total_cost + ${costToStore}`,
         currentPeriodCost: sql`current_period_cost + ${costToStore}`,
+        // Copilot usage tracking increments
+        totalCopilotCost: sql`total_copilot_cost + ${costToStore}`,
+        totalCopilotTokens: sql`total_copilot_tokens + ${totalTokens}`,
+        totalCopilotCalls: sql`total_copilot_calls + 1`,
         totalApiCalls: sql`total_api_calls`,
         lastActive: new Date(),
       }

apps/sim/app/api/copilot/api-keys/generate/route.ts

@@ -0,0 +1,70 @@
+import { createCipheriv, createHash, createHmac, randomBytes } from 'crypto'
+import { type NextRequest, NextResponse } from 'next/server'
+import { getSession } from '@/lib/auth'
+import { env } from '@/lib/env'
+import { createLogger } from '@/lib/logs/console/logger'
+import { generateApiKey } from '@/lib/utils'
+import { db } from '@/db'
+import { copilotApiKeys } from '@/db/schema'
+
+const logger = createLogger('CopilotApiKeysGenerate')
+
+function deriveKey(keyString: string): Buffer {
+  return createHash('sha256').update(keyString, 'utf8').digest()
+}
+
+function encryptRandomIv(plaintext: string, keyString: string): string {
+  const key = deriveKey(keyString)
+  const iv = randomBytes(16)
+  const cipher = createCipheriv('aes-256-gcm', key, iv)
+  let encrypted = cipher.update(plaintext, 'utf8', 'hex')
+  encrypted += cipher.final('hex')
+  const authTag = cipher.getAuthTag().toString('hex')
+  return `${iv.toString('hex')}:${encrypted}:${authTag}`
+}
+
+function computeLookup(plaintext: string, keyString: string): string {
+  // Deterministic, constant-time comparable MAC: HMAC-SHA256(DB_KEY, plaintext)
+  return createHmac('sha256', Buffer.from(keyString, 'utf8'))
+    .update(plaintext, 'utf8')
+    .digest('hex')
+}
+
+export async function POST(req: NextRequest) {
+  try {
+    const session = await getSession()
+    if (!session?.user?.id) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    if (!env.AGENT_API_DB_ENCRYPTION_KEY) {
+      logger.error('AGENT_API_DB_ENCRYPTION_KEY is not set')
+      return NextResponse.json({ error: 'Server not configured' }, { status: 500 })
+    }
+
+    const userId = session.user.id
+
+    // Generate and prefix the key (strip the generic sim_ prefix from the random part)
+    const rawKey = generateApiKey().replace(/^sim_/, '')
+    const plaintextKey = `sk-sim-copilot-${rawKey}`
+
+    // Encrypt with random IV for confidentiality
+    const dbEncrypted = encryptRandomIv(plaintextKey, env.AGENT_API_DB_ENCRYPTION_KEY)
+
+    // Compute deterministic lookup value for O(1) search
+    const lookup = computeLookup(plaintextKey, env.AGENT_API_DB_ENCRYPTION_KEY)
+
+    const [inserted] = await db
+      .insert(copilotApiKeys)
+      .values({ userId, apiKeyEncrypted: dbEncrypted, apiKeyLookup: lookup })
+      .returning({ id: copilotApiKeys.id })
+
+    return NextResponse.json(
+      { success: true, key: { id: inserted.id, apiKey: plaintextKey } },
+      { status: 201 }
+    )
+  } catch (error) {
+    logger.error('Failed to generate copilot API key', { error })
+    return NextResponse.json({ error: 'Failed to generate copilot API key' }, { status: 500 })
+  }
+}

apps/sim/app/api/copilot/api-keys/route.ts

@@ -0,0 +1,85 @@
+import { createDecipheriv, createHash } from 'crypto'
+import { and, eq } from 'drizzle-orm'
+import { type NextRequest, NextResponse } from 'next/server'
+import { getSession } from '@/lib/auth'
+import { env } from '@/lib/env'
+import { createLogger } from '@/lib/logs/console/logger'
+import { db } from '@/db'
+import { copilotApiKeys } from '@/db/schema'
+
+const logger = createLogger('CopilotApiKeys')
+
+function deriveKey(keyString: string): Buffer {
+  return createHash('sha256').update(keyString, 'utf8').digest()
+}
+
+function decryptWithKey(encryptedValue: string, keyString: string): string {
+  const parts = encryptedValue.split(':')
+  if (parts.length !== 3) {
+    throw new Error('Invalid encrypted value format')
+  }
+  const [ivHex, encryptedHex, authTagHex] = parts
+  const key = deriveKey(keyString)
+  const iv = Buffer.from(ivHex, 'hex')
+  const decipher = createDecipheriv('aes-256-gcm', key, iv)
+  decipher.setAuthTag(Buffer.from(authTagHex, 'hex'))
+  let decrypted = decipher.update(encryptedHex, 'hex', 'utf8')
+  decrypted += decipher.final('utf8')
+  return decrypted
+}
+
+export async function GET(request: NextRequest) {
+  try {
+    const session = await getSession()
+    if (!session?.user?.id) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    if (!env.AGENT_API_DB_ENCRYPTION_KEY) {
+      logger.error('AGENT_API_DB_ENCRYPTION_KEY is not set')
+      return NextResponse.json({ error: 'Server not configured' }, { status: 500 })
+    }
+
+    const userId = session.user.id
+
+    const rows = await db
+      .select({ id: copilotApiKeys.id, apiKeyEncrypted: copilotApiKeys.apiKeyEncrypted })
+      .from(copilotApiKeys)
+      .where(eq(copilotApiKeys.userId, userId))
+
+    const keys = rows.map((row) => ({
+      id: row.id,
+      apiKey: decryptWithKey(row.apiKeyEncrypted, env.AGENT_API_DB_ENCRYPTION_KEY as string),
+    }))
+
+    return NextResponse.json({ keys }, { status: 200 })
+  } catch (error) {
+    logger.error('Failed to get copilot API keys', { error })
+    return NextResponse.json({ error: 'Failed to get keys' }, { status: 500 })
+  }
+}
+
+export async function DELETE(request: NextRequest) {
+  try {
+    const session = await getSession()
+    if (!session?.user?.id) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const userId = session.user.id
+    const url = new URL(request.url)
+    const id = url.searchParams.get('id')
+    if (!id) {
+      return NextResponse.json({ error: 'id is required' }, { status: 400 })
+    }
+
+    await db
+      .delete(copilotApiKeys)
+      .where(and(eq(copilotApiKeys.userId, userId), eq(copilotApiKeys.id, id)))
+
+    return NextResponse.json({ success: true }, { status: 200 })
+  } catch (error) {
+    logger.error('Failed to delete copilot API key', { error })
+    return NextResponse.json({ error: 'Failed to delete key' }, { status: 500 })
+  }
+}

apps/sim/app/api/copilot/api-keys/validate/route.ts

@@ -0,0 +1,79 @@
+import { createHmac } from 'crypto'
+import { eq } from 'drizzle-orm'
+import { type NextRequest, NextResponse } from 'next/server'
+import { env } from '@/lib/env'
+import { createLogger } from '@/lib/logs/console/logger'
+import { db } from '@/db'
+import { copilotApiKeys, userStats } from '@/db/schema'
+
+const logger = createLogger('CopilotApiKeysValidate')
+
+function computeLookup(plaintext: string, keyString: string): string {
+  // Deterministic MAC: HMAC-SHA256(DB_KEY, plaintext)
+  return createHmac('sha256', Buffer.from(keyString, 'utf8'))
+    .update(plaintext, 'utf8')
+    .digest('hex')
+}
+
+export async function POST(req: NextRequest) {
+  try {
+    if (!env.AGENT_API_DB_ENCRYPTION_KEY) {
+      logger.error('AGENT_API_DB_ENCRYPTION_KEY is not set')
+      return NextResponse.json({ error: 'Server not configured' }, { status: 500 })
+    }
+
+    const body = await req.json().catch(() => null)
+    const apiKey = typeof body?.apiKey === 'string' ? body.apiKey : undefined
+
+    if (!apiKey) {
+      return new NextResponse(null, { status: 401 })
+    }
+
+    const lookup = computeLookup(apiKey, env.AGENT_API_DB_ENCRYPTION_KEY)
+
+    // Find matching API key and its user
+    const rows = await db
+      .select({ id: copilotApiKeys.id, userId: copilotApiKeys.userId })
+      .from(copilotApiKeys)
+      .where(eq(copilotApiKeys.apiKeyLookup, lookup))
+      .limit(1)
+
+    if (rows.length === 0) {
+      return new NextResponse(null, { status: 401 })
+    }
+
+    const { userId } = rows[0]
+
+    // Check usage for the associated user
+    const usage = await db
+      .select({
+        currentPeriodCost: userStats.currentPeriodCost,
+        totalCost: userStats.totalCost,
+        currentUsageLimit: userStats.currentUsageLimit,
+      })
+      .from(userStats)
+      .where(eq(userStats.userId, userId))
+      .limit(1)
+
+    if (usage.length > 0) {
+      const currentUsage = Number.parseFloat(
+        (usage[0].currentPeriodCost?.toString() as string) ||
+          (usage[0].totalCost as unknown as string) ||
+          '0'
+      )
+      const limit = Number.parseFloat((usage[0].currentUsageLimit as unknown as string) || '0')
+
+      if (!Number.isNaN(limit) && limit > 0 && currentUsage >= limit) {
+        // Usage exceeded
+        logger.info('[API VALIDATION] Usage exceeded', { userId, currentUsage, limit })
+        return new NextResponse(null, { status: 402 })
+      }
+    }
+
+    // Valid and within usage limits
+    return new NextResponse(null, { status: 200 })
+  } catch (error) {
+    logger.error('Error validating copilot API key', { error })
+    return NextResponse.json({ error: 'Failed to validate key' }, { status: 500 })
+  }
+}

apps/sim/app/api/copilot/chat/route.test.ts

@@ -104,7 +104,7 @@ describe('Copilot Chat API Route', () => {
     vi.doMock('@/lib/env', () => ({
       env: {
         SIM_AGENT_API_URL: 'http://localhost:8000',
-        SIM_AGENT_API_KEY: 'test-sim-agent-key',
+        COPILOT_API_KEY: 'test-sim-agent-key',
       },
     }))
 

apps/sim/app/api/copilot/chat/route.ts

@@ -1,3 +1,4 @@
+import { createCipheriv, createDecipheriv, createHash, randomBytes } from 'crypto'
 import { and, desc, eq } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
@@ -13,6 +14,7 @@ import { getCopilotModel } from '@/lib/copilot/config'
 import { TITLE_GENERATION_SYSTEM_PROMPT, TITLE_GENERATION_USER_PROMPT } from '@/lib/copilot/prompts'
 import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { downloadFile } from '@/lib/uploads'
 import { downloadFromS3WithConfig } from '@/lib/uploads/s3/s3-client'
 import { S3_COPILOT_CONFIG, USE_S3_STORAGE } from '@/lib/uploads/setup'
@@ -23,6 +25,37 @@ import { createAnthropicFileContent, isSupportedFileType } from './file-utils'
 
 const logger = createLogger('CopilotChatAPI')
 
+// Sim Agent API configuration
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
+
+function deriveKey(keyString: string): Buffer {
+  return createHash('sha256').update(keyString, 'utf8').digest()
+}
+
+function decryptWithKey(encryptedValue: string, keyString: string): string {
+  const [ivHex, encryptedHex, authTagHex] = encryptedValue.split(':')
+  if (!ivHex || !encryptedHex || !authTagHex) {
+    throw new Error('Invalid encrypted format')
+  }
+  const key = deriveKey(keyString)
+  const iv = Buffer.from(ivHex, 'hex')
+  const decipher = createDecipheriv('aes-256-gcm', key, iv)
+  decipher.setAuthTag(Buffer.from(authTagHex, 'hex'))
+  let decrypted = decipher.update(encryptedHex, 'hex', 'utf8')
+  decrypted += decipher.final('utf8')
+  return decrypted
+}
+
+function encryptWithKey(plaintext: string, keyString: string): string {
+  const key = deriveKey(keyString)
+  const iv = randomBytes(16)
+  const cipher = createCipheriv('aes-256-gcm', key, iv)
+  let encrypted = cipher.update(plaintext, 'utf8', 'hex')
+  encrypted += cipher.final('hex')
+  const authTag = cipher.getAuthTag().toString('hex')
+  return `${iv.toString('hex')}:${encrypted}:${authTag}`
+}
+
 // Schema for file attachments
 const FileAttachmentSchema = z.object({
   id: z.string(),
@@ -48,10 +81,6 @@ const ChatMessageSchema = z.object({
   conversationId: z.string().optional(),
 })
 
-// Sim Agent API configuration
-const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = env.SIM_AGENT_API_KEY
-
 /**
  * Generate a chat title using LLM
  */
@@ -179,6 +208,7 @@ export async function POST(req: NextRequest) {
       hasImplicitFeedback: !!implicitFeedback,
       provider: provider || 'openai',
       hasConversationId: !!conversationId,
+      depth,
     })
 
     // Handle chat context
@@ -341,34 +371,64 @@ export async function POST(req: NextRequest) {
       (currentChat?.conversationId as string | undefined) || conversationId
 
     // If we have a conversationId, only send the most recent user message; else send full history
-    const messagesForAgent = effectiveConversationId ? [messages[messages.length - 1]] : messages
+    const latestUserMessage =
+      [...messages].reverse().find((m) => m?.role === 'user') || messages[messages.length - 1]
+    const messagesForAgent = effectiveConversationId ? [latestUserMessage] : messages
+
+    const requestPayload = {
+      messages: messagesForAgent,
+      workflowId,
+      userId: authenticatedUserId,
+      stream: stream,
+      streamToolCalls: true,
+      mode: mode,
+      provider: providerToUse,
+      ...(effectiveConversationId ? { conversationId: effectiveConversationId } : {}),
+      ...(typeof depth === 'number' ? { depth } : {}),
+      ...(session?.user?.name && { userName: session.user.name }),
+    }
+
+    // Log the payload being sent to the streaming endpoint
+    try {
+      logger.info(`[${tracker.requestId}] Sending payload to sim agent streaming endpoint`, {
+        url: `${SIM_AGENT_API_URL}/api/chat-completion-streaming`,
+        provider: providerToUse,
+        mode,
+        stream,
+        workflowId,
+        hasConversationId: !!effectiveConversationId,
+        depth: typeof depth === 'number' ? depth : undefined,
+        messagesCount: requestPayload.messages.length,
+      })
+      // Full payload as JSON string
+      logger.info(
+        `[${tracker.requestId}] Full streaming payload: ${JSON.stringify(requestPayload)}`
+      )
+    } catch (e) {
+      logger.warn(`[${tracker.requestId}] Failed to log payload preview for streaming endpoint`, e)
+    }
 
     const simAgentResponse = await fetch(`${SIM_AGENT_API_URL}/api/chat-completion-streaming`, {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
+        ...(env.COPILOT_API_KEY ? { 'x-api-key': env.COPILOT_API_KEY } : {}),
       },
-      body: JSON.stringify({
-        messages: messagesForAgent,
-        workflowId,
-        userId: authenticatedUserId,
-        stream: stream,
-        streamToolCalls: true,
-        mode: mode,
-        provider: providerToUse,
-        ...(effectiveConversationId ? { conversationId: effectiveConversationId } : {}),
-        ...(typeof depth === 'number' ? { depth } : {}),
-        ...(session?.user?.name && { userName: session.user.name }),
-      }),
+      body: JSON.stringify(requestPayload),
     })
 
     if (!simAgentResponse.ok) {
-      const errorText = await simAgentResponse.text()
+      if (simAgentResponse.status === 401 || simAgentResponse.status === 402) {
+        // Rethrow status only; client will render appropriate assistant message
+        return new NextResponse(null, { status: simAgentResponse.status })
+      }
+
+      const errorText = await simAgentResponse.text().catch(() => '')
       logger.error(`[${tracker.requestId}] Sim agent API error:`, {
         status: simAgentResponse.status,
         error: errorText,
       })
+
       return NextResponse.json(
         { error: `Sim agent API error: ${simAgentResponse.statusText}` },
         { status: simAgentResponse.status }
@@ -654,7 +714,7 @@ export async function POST(req: NextRequest) {
                 )
               }
 
-              const responseId = responseIdFromDone || responseIdFromStart
+              const responseId = responseIdFromDone
 
               // Update chat in database immediately (without title)
               await db

apps/sim/app/api/copilot/confirm/route.ts

@@ -48,11 +48,6 @@ async function updateToolCallStatus(
     while (Date.now() - startTime < timeout) {
       const exists = await redis.exists(key)
       if (exists) {
-        logger.info('Tool call found in Redis, updating status', {
-          toolCallId,
-          key,
-          pollDuration: Date.now() - startTime,
-        })
         break
       }
 
@@ -79,27 +74,8 @@ async function updateToolCallStatus(
       timestamp: new Date().toISOString(),
     }
 
-    // Log what we're about to update in Redis
-    logger.info('About to update Redis with tool call data', {
-      toolCallId,
-      key,
-      toolCallData,
-      serializedData: JSON.stringify(toolCallData),
-      providedStatus: status,
-      providedMessage: message,
-      messageIsUndefined: message === undefined,
-      messageIsNull: message === null,
-    })
-
     await redis.set(key, JSON.stringify(toolCallData), 'EX', 86400) // Keep 24 hour expiry
 
-    logger.info('Tool call status updated in Redis', {
-      toolCallId,
-      key,
-      status,
-      message,
-      pollDuration: Date.now() - startTime,
-    })
     return true
   } catch (error) {
     logger.error('Failed to update tool call status in Redis', {
@@ -131,13 +107,6 @@ export async function POST(req: NextRequest) {
     const body = await req.json()
     const { toolCallId, status, message } = ConfirmationSchema.parse(body)
 
-    logger.info(`[${tracker.requestId}] Tool call confirmation request`, {
-      userId: authenticatedUserId,
-      toolCallId,
-      status,
-      message,
-    })
-
     // Update the tool call status in Redis
     const updated = await updateToolCallStatus(toolCallId, status, message)
 
@@ -153,13 +122,6 @@ export async function POST(req: NextRequest) {
     }
 
     const duration = tracker.getDuration()
-    logger.info(`[${tracker.requestId}] Tool call confirmation completed`, {
-      userId: authenticatedUserId,
-      toolCallId,
-      status,
-      internalStatus: status,
-      duration,
-    })
 
     return NextResponse.json({
       success: true,

apps/sim/app/api/copilot/methods/route.ts

@@ -69,12 +69,6 @@ async function pollRedisForTool(
   const pollInterval = 1000 // 1 second
   const startTime = Date.now()
 
-  logger.info('Starting to poll Redis for tool call status', {
-    toolCallId,
-    timeout,
-    pollInterval,
-  })
-
   while (Date.now() - startTime < timeout) {
     try {
       const redisValue = await redis.get(key)
@@ -112,23 +106,6 @@ async function pollRedisForTool(
           rawRedisValue: redisValue,
         })
 
-        logger.info('Tool call status resolved', {
-          toolCallId,
-          status,
-          message,
-          duration: Date.now() - startTime,
-          rawRedisValue: redisValue,
-          parsedAsJSON: redisValue
-            ? (() => {
-                try {
-                  return JSON.parse(redisValue)
-                } catch {
-                  return 'failed-to-parse'
-                }
-              })()
-            : null,
-        })
-
         // Special logging for set environment variables tool when Redis status is found
         if (toolCallId && (status === 'accepted' || status === 'rejected')) {
           logger.info('SET_ENV_VARS: Redis polling found status update', {

apps/sim/app/api/files/utils.ts

@@ -178,7 +178,7 @@ export function findLocalFile(filename: string): string | null {
  * Create a file response with appropriate headers
  */
 export function createFileResponse(file: FileResponse): NextResponse {
-  return new NextResponse(file.buffer, {
+  return new NextResponse(file.buffer as BodyInit, {
     status: 200,
     headers: {
       'Content-Type': file.contentType,

apps/sim/app/api/help/route.ts

@@ -1,6 +1,7 @@
 import { type NextRequest, NextResponse } from 'next/server'
 import { Resend } from 'resend'
 import { z } from 'zod'
+import { getSession } from '@/lib/auth'
 import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
 import { getEmailDomain } from '@/lib/urls/utils'
@@ -9,7 +10,6 @@ const resend = env.RESEND_API_KEY ? new Resend(env.RESEND_API_KEY) : null
 const logger = createLogger('HelpAPI')
 
 const helpFormSchema = z.object({
-  email: z.string().email('Invalid email address'),
   subject: z.string().min(1, 'Subject is required'),
   message: z.string().min(1, 'Message is required'),
   type: z.enum(['bug', 'feedback', 'feature_request', 'other']),
@@ -19,6 +19,15 @@ export async function POST(req: NextRequest) {
   const requestId = crypto.randomUUID().slice(0, 8)
 
   try {
+    // Get user session
+    const session = await getSession()
+    if (!session?.user?.email) {
+      logger.warn(`[${requestId}] Unauthorized help request attempt`)
+      return NextResponse.json({ error: 'Authentication required' }, { status: 401 })
+    }
+
+    const email = session.user.email
+
     // Check if Resend API key is configured
     if (!resend) {
       logger.error(`[${requestId}] RESEND_API_KEY not configured`)
@@ -35,7 +44,6 @@ export async function POST(req: NextRequest) {
     const formData = await req.formData()
 
     // Extract form fields
-    const email = formData.get('email') as string
     const subject = formData.get('subject') as string
     const message = formData.get('message') as string
     const type = formData.get('type') as string
@@ -47,7 +55,6 @@ export async function POST(req: NextRequest) {
 
     // Validate the form data
     const result = helpFormSchema.safeParse({
-      email,
       subject,
       message,
       type,
@@ -97,9 +104,9 @@ ${message}
     }
 
     // Send email using Resend
-    const { data, error } = await resend.emails.send({
-      from: `Sim <noreply@${getEmailDomain()}>`,
-      to: [`help@${getEmailDomain()}`],
+    const { error } = await resend.emails.send({
+      from: `Sim <noreply@${env.EMAIL_DOMAIN || getEmailDomain()}>`,
+      to: [`help@${env.EMAIL_DOMAIN || getEmailDomain()}`],
       subject: `[${type.toUpperCase()}] ${subject}`,
       replyTo: email,
       text: emailText,
@@ -121,7 +128,7 @@ ${message}
     // Send confirmation email to the user
     await resend.emails
       .send({
-        from: `Sim <noreply@${getEmailDomain()}>`,
+        from: `Sim <noreply@${env.EMAIL_DOMAIN || getEmailDomain()}>`,
         to: [email],
         subject: `Your ${type} request has been received: ${subject}`,
         text: `
@@ -137,7 +144,7 @@ ${images.length > 0 ? `You attached ${images.length} image(s).` : ''}
 Best regards,
 The Sim Team
         `,
-        replyTo: `help@${getEmailDomain()}`,
+        replyTo: `help@${env.EMAIL_DOMAIN || getEmailDomain()}`,
       })
       .catch((err) => {
         logger.warn(`[${requestId}] Failed to send confirmation email`, err)

apps/sim/app/api/logs/[executionId]/frozen-canvas/route.ts

@@ -46,20 +46,7 @@ export async function GET(
         startedAt: workflowLog.startedAt.toISOString(),
         endedAt: workflowLog.endedAt?.toISOString(),
         totalDurationMs: workflowLog.totalDurationMs,
-        blockStats: {
-          total: workflowLog.blockCount,
-          success: workflowLog.successCount,
-          error: workflowLog.errorCount,
-          skipped: workflowLog.skippedCount,
-        },
-        cost: {
-          total: workflowLog.totalCost ? Number.parseFloat(workflowLog.totalCost) : null,
-          input: workflowLog.totalInputCost ? Number.parseFloat(workflowLog.totalInputCost) : null,
-          output: workflowLog.totalOutputCost
-            ? Number.parseFloat(workflowLog.totalOutputCost)
-            : null,
-        },
-        totalTokens: workflowLog.totalTokens,
+        cost: workflowLog.cost || null,
       },
     }
 

apps/sim/app/api/logs/by-id/[id]/route.ts

@@ -0,0 +1,102 @@
+import { and, eq } from 'drizzle-orm'
+import { type NextRequest, NextResponse } from 'next/server'
+import { getSession } from '@/lib/auth'
+import { createLogger } from '@/lib/logs/console/logger'
+import { db } from '@/db'
+import { permissions, workflow, workflowExecutionLogs } from '@/db/schema'
+
+const logger = createLogger('LogDetailsByIdAPI')
+
+export const revalidate = 0
+
+export async function GET(_request: NextRequest, { params }: { params: Promise<{ id: string }> }) {
+  const requestId = crypto.randomUUID().slice(0, 8)
+
+  try {
+    const session = await getSession()
+    if (!session?.user?.id) {
+      logger.warn(`[${requestId}] Unauthorized log details access attempt`)
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const userId = session.user.id
+    const { id } = await params
+
+    const rows = await db
+      .select({
+        id: workflowExecutionLogs.id,
+        workflowId: workflowExecutionLogs.workflowId,
+        executionId: workflowExecutionLogs.executionId,
+        stateSnapshotId: workflowExecutionLogs.stateSnapshotId,
+        level: workflowExecutionLogs.level,
+        trigger: workflowExecutionLogs.trigger,
+        startedAt: workflowExecutionLogs.startedAt,
+        endedAt: workflowExecutionLogs.endedAt,
+        totalDurationMs: workflowExecutionLogs.totalDurationMs,
+        executionData: workflowExecutionLogs.executionData,
+        cost: workflowExecutionLogs.cost,
+        files: workflowExecutionLogs.files,
+        createdAt: workflowExecutionLogs.createdAt,
+        workflowName: workflow.name,
+        workflowDescription: workflow.description,
+        workflowColor: workflow.color,
+        workflowFolderId: workflow.folderId,
+        workflowUserId: workflow.userId,
+        workflowWorkspaceId: workflow.workspaceId,
+        workflowCreatedAt: workflow.createdAt,
+        workflowUpdatedAt: workflow.updatedAt,
+      })
+      .from(workflowExecutionLogs)
+      .innerJoin(workflow, eq(workflowExecutionLogs.workflowId, workflow.id))
+      .innerJoin(
+        permissions,
+        and(
+          eq(permissions.entityType, 'workspace'),
+          eq(permissions.entityId, workflow.workspaceId),
+          eq(permissions.userId, userId)
+        )
+      )
+      .where(eq(workflowExecutionLogs.id, id))
+      .limit(1)
+
+    const log = rows[0]
+    if (!log) {
+      return NextResponse.json({ error: 'Not found' }, { status: 404 })
+    }
+
+    const workflowSummary = {
+      id: log.workflowId,
+      name: log.workflowName,
+      description: log.workflowDescription,
+      color: log.workflowColor,
+      folderId: log.workflowFolderId,
+      userId: log.workflowUserId,
+      workspaceId: log.workflowWorkspaceId,
+      createdAt: log.workflowCreatedAt,
+      updatedAt: log.workflowUpdatedAt,
+    }
+
+    const response = {
+      id: log.id,
+      workflowId: log.workflowId,
+      executionId: log.executionId,
+      level: log.level,
+      duration: log.totalDurationMs ? `${log.totalDurationMs}ms` : null,
+      trigger: log.trigger,
+      createdAt: log.startedAt.toISOString(),
+      files: log.files || undefined,
+      workflow: workflowSummary,
+      executionData: {
+        totalDuration: log.totalDurationMs,
+        ...(log.executionData as any),
+        enhanced: true,
+      },
+      cost: log.cost as any,
+    }
+
+    return NextResponse.json({ data: response })
+  } catch (error: any) {
+    logger.error(`[${requestId}] log details fetch error`, error)
+    return NextResponse.json({ error: error.message }, { status: 500 })
+  }
+}

apps/sim/app/api/logs/cleanup/route.ts

@@ -99,21 +99,13 @@ export async function GET(request: NextRequest) {
           executionId: workflowExecutionLogs.executionId,
           stateSnapshotId: workflowExecutionLogs.stateSnapshotId,
           level: workflowExecutionLogs.level,
-          message: workflowExecutionLogs.message,
           trigger: workflowExecutionLogs.trigger,
           startedAt: workflowExecutionLogs.startedAt,
           endedAt: workflowExecutionLogs.endedAt,
           totalDurationMs: workflowExecutionLogs.totalDurationMs,
-          blockCount: workflowExecutionLogs.blockCount,
-          successCount: workflowExecutionLogs.successCount,
-          errorCount: workflowExecutionLogs.errorCount,
-          skippedCount: workflowExecutionLogs.skippedCount,
-          totalCost: workflowExecutionLogs.totalCost,
-          totalInputCost: workflowExecutionLogs.totalInputCost,
-          totalOutputCost: workflowExecutionLogs.totalOutputCost,
-          totalTokens: workflowExecutionLogs.totalTokens,
+          executionData: workflowExecutionLogs.executionData,
+          cost: workflowExecutionLogs.cost,
           files: workflowExecutionLogs.files,
-          metadata: workflowExecutionLogs.metadata,
           createdAt: workflowExecutionLogs.createdAt,
         })
         .from(workflowExecutionLogs)

apps/sim/app/api/logs/route.ts

@@ -1,4 +1,4 @@
-import { and, desc, eq, gte, inArray, lte, or, type SQL, sql } from 'drizzle-orm'
+import { and, desc, eq, gte, inArray, lte, type SQL, sql } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
 import { getSession } from '@/lib/auth'
@@ -44,8 +44,7 @@ function extractBlockExecutionsFromTraceSpans(traceSpans: any[]): any[] {
 export const revalidate = 0
 
 const QueryParamsSchema = z.object({
-  includeWorkflow: z.coerce.boolean().optional().default(false),
-  includeBlocks: z.coerce.boolean().optional().default(false),
+  details: z.enum(['basic', 'full']).optional().default('basic'),
   limit: z.coerce.number().optional().default(100),
   offset: z.coerce.number().optional().default(0),
   level: z.string().optional(),
@@ -81,20 +80,12 @@ export async function GET(request: NextRequest) {
           executionId: workflowExecutionLogs.executionId,
           stateSnapshotId: workflowExecutionLogs.stateSnapshotId,
           level: workflowExecutionLogs.level,
-          message: workflowExecutionLogs.message,
           trigger: workflowExecutionLogs.trigger,
           startedAt: workflowExecutionLogs.startedAt,
           endedAt: workflowExecutionLogs.endedAt,
           totalDurationMs: workflowExecutionLogs.totalDurationMs,
-          blockCount: workflowExecutionLogs.blockCount,
-          successCount: workflowExecutionLogs.successCount,
-          errorCount: workflowExecutionLogs.errorCount,
-          skippedCount: workflowExecutionLogs.skippedCount,
-          totalCost: workflowExecutionLogs.totalCost,
-          totalInputCost: workflowExecutionLogs.totalInputCost,
-          totalOutputCost: workflowExecutionLogs.totalOutputCost,
-          totalTokens: workflowExecutionLogs.totalTokens,
-          metadata: workflowExecutionLogs.metadata,
+          executionData: workflowExecutionLogs.executionData,
+          cost: workflowExecutionLogs.cost,
           files: workflowExecutionLogs.files,
           createdAt: workflowExecutionLogs.createdAt,
           workflowName: workflow.name,
@@ -163,13 +154,8 @@ export async function GET(request: NextRequest) {
       // Filter by search query
       if (params.search) {
         const searchTerm = `%${params.search}%`
-        conditions = and(
-          conditions,
-          or(
-            sql`${workflowExecutionLogs.message} ILIKE ${searchTerm}`,
-            sql`${workflowExecutionLogs.executionId} ILIKE ${searchTerm}`
-          )
-        )
+        // With message removed, restrict search to executionId only
+        conditions = and(conditions, sql`${workflowExecutionLogs.executionId} ILIKE ${searchTerm}`)
       }
 
       // Execute the query using the optimized join
@@ -290,31 +276,20 @@ export async function GET(request: NextRequest) {
       const enhancedLogs = logs.map((log) => {
         const blockExecutions = blockExecutionsByExecution[log.executionId] || []
 
-        // Use stored trace spans from metadata if available, otherwise create from block executions
-        const storedTraceSpans = (log.metadata as any)?.traceSpans
+        // Use stored trace spans if available, otherwise create from block executions
+        const storedTraceSpans = (log.executionData as any)?.traceSpans
         const traceSpans =
           storedTraceSpans && Array.isArray(storedTraceSpans) && storedTraceSpans.length > 0
             ? storedTraceSpans
             : createTraceSpans(blockExecutions)
 
-        // Use extracted cost summary if available, otherwise use stored values
+        // Prefer stored cost JSON; otherwise synthesize from blocks
         const costSummary =
-          blockExecutions.length > 0
-            ? extractCostSummary(blockExecutions)
-            : {
-                input: Number(log.totalInputCost) || 0,
-                output: Number(log.totalOutputCost) || 0,
-                total: Number(log.totalCost) || 0,
-                tokens: {
-                  total: log.totalTokens || 0,
-                  prompt: (log.metadata as any)?.tokenBreakdown?.prompt || 0,
-                  completion: (log.metadata as any)?.tokenBreakdown?.completion || 0,
-                },
-                models: (log.metadata as any)?.models || {},
-              }
+          log.cost && Object.keys(log.cost as any).length > 0
+            ? (log.cost as any)
+            : extractCostSummary(blockExecutions)
 
-        // Build workflow object from joined data
-        const workflow = {
+        const workflowSummary = {
           id: log.workflowId,
           name: log.workflowName,
           description: log.workflowDescription,
@@ -329,67 +304,28 @@ export async function GET(request: NextRequest) {
         return {
           id: log.id,
           workflowId: log.workflowId,
-          executionId: log.executionId,
+          executionId: params.details === 'full' ? log.executionId : undefined,
           level: log.level,
-          message: log.message,
           duration: log.totalDurationMs ? `${log.totalDurationMs}ms` : null,
           trigger: log.trigger,
           createdAt: log.startedAt.toISOString(),
-          files: log.files || undefined,
-          workflow: params.includeWorkflow ? workflow : undefined,
-          metadata: {
-            totalDuration: log.totalDurationMs,
-            cost: costSummary,
-            blockStats: {
-              total: log.blockCount,
-              success: log.successCount,
-              error: log.errorCount,
-              skipped: log.skippedCount,
-            },
-            traceSpans,
-            blockExecutions,
-            enhanced: true,
-          },
+          files: params.details === 'full' ? log.files || undefined : undefined,
+          workflow: workflowSummary,
+          executionData:
+            params.details === 'full'
+              ? {
+                  totalDuration: log.totalDurationMs,
+                  traceSpans,
+                  blockExecutions,
+                  enhanced: true,
+                }
+              : undefined,
+          cost:
+            params.details === 'full'
+              ? (costSummary as any)
+              : { total: (costSummary as any)?.total || 0 },
         }
       })
-
-      // Include block execution data if requested
-      if (params.includeBlocks) {
-        // Block executions are now extracted from stored trace spans in metadata
-        const blockLogsByExecution: Record<string, any[]> = {}
-
-        logs.forEach((log) => {
-          const storedTraceSpans = (log.metadata as any)?.traceSpans
-          if (storedTraceSpans && Array.isArray(storedTraceSpans)) {
-            blockLogsByExecution[log.executionId] =
-              extractBlockExecutionsFromTraceSpans(storedTraceSpans)
-          } else {
-            blockLogsByExecution[log.executionId] = []
-          }
-        })
-
-        // Add block logs to metadata
-        const logsWithBlocks = enhancedLogs.map((log) => ({
-          ...log,
-          metadata: {
-            ...log.metadata,
-            blockExecutions: blockLogsByExecution[log.executionId] || [],
-          },
-        }))
-
-        return NextResponse.json(
-          {
-            data: logsWithBlocks,
-            total: Number(count),
-            page: Math.floor(params.offset / params.limit) + 1,
-            pageSize: params.limit,
-            totalPages: Math.ceil(Number(count) / params.limit),
-          },
-          { status: 200 }
-        )
-      }
-
-      // Return basic logs
       return NextResponse.json(
         {
           data: enhancedLogs,

apps/sim/app/api/templates/[id]/use/route.ts

@@ -80,7 +80,6 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
           workspaceId: workspaceId,
           name: `${templateData.name} (copy)`,
           description: templateData.description,
-          state: templateData.state,
           color: templateData.color,
           userId: session.user.id,
           createdAt: now,
@@ -158,9 +157,6 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
           }))
         }
 
-        // Update the workflow with the corrected state
-        await tx.update(workflow).set({ state: updatedState }).where(eq(workflow.id, newWorkflowId))
-
         // Insert blocks and edges
         if (blockEntries.length > 0) {
           await tx.insert(workflowBlocks).values(blockEntries)

apps/sim/app/api/workflows/[id]/autolayout/route.ts

@@ -17,12 +17,6 @@ export const dynamic = 'force-dynamic'
 
 const logger = createLogger('AutoLayoutAPI')
 
-// Check API key configuration at module level
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
-if (!SIM_AGENT_API_KEY) {
-  logger.warn('SIM_AGENT_API_KEY not configured - autolayout requests will fail')
-}
-
 const AutoLayoutRequestSchema = z.object({
   strategy: z
     .enum(['smart', 'hierarchical', 'layered', 'force-directed'])
@@ -125,15 +119,6 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
       return NextResponse.json({ error: 'Could not load workflow data' }, { status: 500 })
     }
 
-    // Apply autolayout
-    logger.info(
-      `[${requestId}] Applying autolayout to ${Object.keys(currentWorkflowData.blocks).length} blocks`,
-      {
-        hasApiKey: !!SIM_AGENT_API_KEY,
-        simAgentUrl: process.env.SIM_AGENT_API_URL || 'http://localhost:8000',
-      }
-    )
-
     // Create workflow state for autolayout
     const workflowState = {
       blocks: currentWorkflowData.blocks,
@@ -184,7 +169,6 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
           resolveOutputType: resolveOutputType.toString(),
         },
       },
-      apiKey: SIM_AGENT_API_KEY,
     })
 
     // Log the full response for debugging

apps/sim/app/api/workflows/[id]/duplicate/route.ts

@@ -7,7 +7,7 @@ import { createLogger } from '@/lib/logs/console/logger'
 import { getUserEntityPermissions } from '@/lib/permissions/utils'
 import { db } from '@/db'
 import { workflow, workflowBlocks, workflowEdges, workflowSubflows } from '@/db/schema'
-import type { LoopConfig, ParallelConfig, WorkflowState } from '@/stores/workflows/workflow/types'
+import type { LoopConfig, ParallelConfig } from '@/stores/workflows/workflow/types'
 
 const logger = createLogger('WorkflowDuplicateAPI')
 
@@ -90,7 +90,6 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
         folderId: folderId || source.folderId,
         name,
         description: description || source.description,
-        state: source.state, // We'll update this later with new block IDs
         color: color || source.color,
         lastSynced: now,
         createdAt: now,
@@ -112,9 +111,6 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
       // Create a mapping from old block IDs to new block IDs
       const blockIdMapping = new Map<string, string>()
 
-      // Initialize state for updating with new block IDs
-      let updatedState: WorkflowState = source.state as WorkflowState
-
       if (sourceBlocks.length > 0) {
         // First pass: Create all block ID mappings
         sourceBlocks.forEach((block) => {
@@ -265,86 +261,10 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
         )
       }
 
-      // Update the JSON state to use new block IDs
-      if (updatedState && typeof updatedState === 'object') {
-        updatedState = JSON.parse(JSON.stringify(updatedState)) as WorkflowState
-
-        // Update blocks object keys
-        if (updatedState.blocks && typeof updatedState.blocks === 'object') {
-          const newBlocks = {} as Record<string, (typeof updatedState.blocks)[string]>
-          for (const [oldId, blockData] of Object.entries(updatedState.blocks)) {
-            const newId = blockIdMapping.get(oldId) || oldId
-            newBlocks[newId] = {
-              ...blockData,
-              id: newId,
-              // Update data.parentId and extent in the JSON state as well
-              data: (() => {
-                const block = blockData as any
-                if (block.data && typeof block.data === 'object' && block.data.parentId) {
-                  return {
-                    ...block.data,
-                    parentId: blockIdMapping.get(block.data.parentId) || block.data.parentId,
-                    extent: 'parent', // Ensure extent is set for child blocks
-                  }
-                }
-                return block.data
-              })(),
-            }
-          }
-          updatedState.blocks = newBlocks
-        }
-
-        // Update edges array
-        if (updatedState.edges && Array.isArray(updatedState.edges)) {
-          updatedState.edges = updatedState.edges.map((edge) => ({
-            ...edge,
-            id: crypto.randomUUID(),
-            source: blockIdMapping.get(edge.source) || edge.source,
-            target: blockIdMapping.get(edge.target) || edge.target,
-          }))
-        }
-
-        // Update loops and parallels if they exist
-        if (updatedState.loops && typeof updatedState.loops === 'object') {
-          const newLoops = {} as Record<string, (typeof updatedState.loops)[string]>
-          for (const [oldId, loopData] of Object.entries(updatedState.loops)) {
-            const newId = blockIdMapping.get(oldId) || oldId
-            const loopConfig = loopData as any
-            newLoops[newId] = {
-              ...loopConfig,
-              id: newId,
-              // Update node references in loop config
-              nodes: loopConfig.nodes
-                ? loopConfig.nodes.map((nodeId: string) => blockIdMapping.get(nodeId) || nodeId)
-                : [],
-            }
-          }
-          updatedState.loops = newLoops
-        }
-
-        if (updatedState.parallels && typeof updatedState.parallels === 'object') {
-          const newParallels = {} as Record<string, (typeof updatedState.parallels)[string]>
-          for (const [oldId, parallelData] of Object.entries(updatedState.parallels)) {
-            const newId = blockIdMapping.get(oldId) || oldId
-            const parallelConfig = parallelData as any
-            newParallels[newId] = {
-              ...parallelConfig,
-              id: newId,
-              // Update node references in parallel config
-              nodes: parallelConfig.nodes
-                ? parallelConfig.nodes.map((nodeId: string) => blockIdMapping.get(nodeId) || nodeId)
-                : [],
-            }
-          }
-          updatedState.parallels = newParallels
-        }
-      }
-
-      // Update the workflow state with the new block IDs
+      // Update the workflow timestamp
       await tx
         .update(workflow)
         .set({
-          state: updatedState,
           updatedAt: now,
         })
         .where(eq(workflow.id, newWorkflowId))

apps/sim/app/api/workflows/[id]/route.test.ts

@@ -89,7 +89,14 @@ describe('Workflow By ID API Route', () => {
         userId: 'user-123',
         name: 'Test Workflow',
         workspaceId: null,
-        state: { blocks: {}, edges: [] },
+      }
+
+      const mockNormalizedData = {
+        blocks: {},
+        edges: [],
+        loops: {},
+        parallels: {},
+        isFromNormalizedTables: true,
       }
 
       vi.doMock('@/lib/auth', () => ({
@@ -110,6 +117,10 @@ describe('Workflow By ID API Route', () => {
         },
       }))
 
+      vi.doMock('@/lib/workflows/db-helpers', () => ({
+        loadWorkflowFromNormalizedTables: vi.fn().mockResolvedValue(mockNormalizedData),
+      }))
+
       const req = new NextRequest('http://localhost:3000/api/workflows/workflow-123')
       const params = Promise.resolve({ id: 'workflow-123' })
 
@@ -127,7 +138,14 @@ describe('Workflow By ID API Route', () => {
         userId: 'other-user',
         name: 'Test Workflow',
         workspaceId: 'workspace-456',
-        state: { blocks: {}, edges: [] },
+      }
+
+      const mockNormalizedData = {
+        blocks: {},
+        edges: [],
+        loops: {},
+        parallels: {},
+        isFromNormalizedTables: true,
       }
 
       vi.doMock('@/lib/auth', () => ({
@@ -148,6 +166,10 @@ describe('Workflow By ID API Route', () => {
         },
       }))
 
+      vi.doMock('@/lib/workflows/db-helpers', () => ({
+        loadWorkflowFromNormalizedTables: vi.fn().mockResolvedValue(mockNormalizedData),
+      }))
+
       vi.doMock('@/lib/permissions/utils', () => ({
         getUserEntityPermissions: vi.fn().mockResolvedValue('read'),
         hasAdminPermission: vi.fn().mockResolvedValue(false),
@@ -170,7 +192,6 @@ describe('Workflow By ID API Route', () => {
         userId: 'other-user',
         name: 'Test Workflow',
         workspaceId: 'workspace-456',
-        state: { blocks: {}, edges: [] },
       }
 
       vi.doMock('@/lib/auth', () => ({
@@ -213,7 +234,6 @@ describe('Workflow By ID API Route', () => {
         userId: 'user-123',
         name: 'Test Workflow',
         workspaceId: null,
-        state: { blocks: {}, edges: [] },
       }
 
       const mockNormalizedData = {

apps/sim/app/api/workflows/[id]/route.ts

@@ -120,8 +120,6 @@ export async function GET(request: NextRequest, { params }: { params: Promise<{
     logger.debug(`[${requestId}] Attempting to load workflow ${workflowId} from normalized tables`)
     const normalizedData = await loadWorkflowFromNormalizedTables(workflowId)
 
-    const finalWorkflowData = { ...workflowData }
-
     if (normalizedData) {
       logger.debug(`[${requestId}] Found normalized data for workflow ${workflowId}:`, {
         blocksCount: Object.keys(normalizedData.blocks).length,
@@ -131,38 +129,31 @@ export async function GET(request: NextRequest, { params }: { params: Promise<{
         loops: normalizedData.loops,
       })
 
-      // Use normalized table data - reconstruct complete state object
-      // First get any existing state properties, then override with normalized data
-      const existingState =
-        workflowData.state && typeof workflowData.state === 'object' ? workflowData.state : {}
-
-      finalWorkflowData.state = {
-        // Default values for expected properties
-        deploymentStatuses: {},
-        hasActiveWebhook: false,
-        // Preserve any existing state properties
-        ...existingState,
-        // Override with normalized data (this takes precedence)
-        blocks: normalizedData.blocks,
-        edges: normalizedData.edges,
-        loops: normalizedData.loops,
-        parallels: normalizedData.parallels,
-        lastSaved: Date.now(),
-        isDeployed: workflowData.isDeployed || false,
-        deployedAt: workflowData.deployedAt,
+      // Construct response object with workflow data and state from normalized tables
+      const finalWorkflowData = {
+        ...workflowData,
+        state: {
+          // Default values for expected properties
+          deploymentStatuses: {},
+          hasActiveWebhook: false,
+          // Data from normalized tables
+          blocks: normalizedData.blocks,
+          edges: normalizedData.edges,
+          loops: normalizedData.loops,
+          parallels: normalizedData.parallels,
+          lastSaved: Date.now(),
+          isDeployed: workflowData.isDeployed || false,
+          deployedAt: workflowData.deployedAt,
+        },
       }
+
       logger.info(`[${requestId}] Loaded workflow ${workflowId} from normalized tables`)
-    } else {
-      // Fallback to JSON blob
-      logger.info(
-        `[${requestId}] Using JSON blob for workflow ${workflowId} - no normalized data found`
-      )
+      const elapsed = Date.now() - startTime
+      logger.info(`[${requestId}] Successfully fetched workflow ${workflowId} in ${elapsed}ms`)
+
+      return NextResponse.json({ data: finalWorkflowData }, { status: 200 })
     }
-
-    const elapsed = Date.now() - startTime
-    logger.info(`[${requestId}] Successfully fetched workflow ${workflowId} in ${elapsed}ms`)
-
-    return NextResponse.json({ data: finalWorkflowData }, { status: 200 })
+    return NextResponse.json({ error: 'Workflow has no normalized data' }, { status: 400 })
   } catch (error: any) {
     const elapsed = Date.now() - startTime
     logger.error(`[${requestId}] Error fetching workflow ${workflowId} after ${elapsed}ms`, error)

apps/sim/app/api/workflows/[id]/state/route.ts

@@ -220,7 +220,6 @@ export async function PUT(request: NextRequest, { params }: { params: Promise<{
       .set({
         lastSynced: new Date(),
         updatedAt: new Date(),
-        state: saveResult.jsonBlob, // Also update JSON blob for backward compatibility
       })
       .where(eq(workflow.id, workflowId))
 

apps/sim/app/api/workflows/[id]/yaml/route.ts

@@ -1,9 +1,10 @@
 import { eq } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
 import { getUserEntityPermissions } from '@/lib/permissions/utils'
-import { simAgentClient } from '@/lib/sim-agent'
+import { SIM_AGENT_API_URL_DEFAULT, simAgentClient } from '@/lib/sim-agent'
 import {
   loadWorkflowFromNormalizedTables,
   saveWorkflowToNormalizedTables,
@@ -17,15 +18,12 @@ import { db } from '@/db'
 import { workflowCheckpoints, workflow as workflowTable } from '@/db/schema'
 import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/workflow/utils'
 
-// Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 export const dynamic = 'force-dynamic'
 
 const logger = createLogger('WorkflowYamlAPI')
 
-// Request schema for YAML workflow operations
 const YamlWorkflowRequestSchema = z.object({
   yamlContent: z.string().min(1, 'YAML content is required'),
   description: z.string().optional(),
@@ -74,7 +72,6 @@ async function createWorkflowCheckpoint(
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
-          ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
         },
         body: JSON.stringify({
           workflowState: currentWorkflowData,
@@ -288,7 +285,6 @@ export async function PUT(request: NextRequest, { params }: { params: Promise<{
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         yamlContent,
@@ -649,14 +645,13 @@ export async function PUT(request: NextRequest, { params }: { params: Promise<{
       .set({
         lastSynced: new Date(),
         updatedAt: new Date(),
-        state: saveResult.jsonBlob,
       })
       .where(eq(workflowTable.id, workflowId))
 
     // Notify socket server for real-time collaboration (for copilot and editor)
     if (source === 'copilot' || source === 'editor') {
       try {
-        const socketUrl = process.env.SOCKET_URL || 'http://localhost:3002'
+        const socketUrl = env.SOCKET_SERVER_URL || 'http://localhost:3002'
         await fetch(`${socketUrl}/api/copilot-workflow-edit`, {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },

apps/sim/app/api/workflows/route.ts

@@ -151,7 +151,6 @@ export async function POST(req: NextRequest) {
         folderId: folderId || null,
         name,
         description,
-        state: initialState,
         color,
         lastSynced: now,
         createdAt: now,

apps/sim/app/api/workflows/yaml/convert/route.ts

@@ -8,9 +8,6 @@ import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/w
 
 const logger = createLogger('WorkflowYamlAPI')
 
-// Get API key at module level like working routes
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
-
 export async function POST(request: NextRequest) {
   const requestId = crypto.randomUUID().slice(0, 8)
 
@@ -55,7 +52,6 @@ export async function POST(request: NextRequest) {
           resolveOutputType: resolveOutputType.toString(),
         },
       },
-      apiKey: SIM_AGENT_API_KEY,
     })
 
     if (!result.success || !result.data?.yaml) {

apps/sim/app/api/workflows/yaml/export/route.ts

@@ -14,9 +14,6 @@ import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/w
 
 const logger = createLogger('WorkflowYamlExportAPI')
 
-// Get API key at module level like working routes
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
-
 export async function GET(request: NextRequest) {
   const requestId = crypto.randomUUID().slice(0, 8)
   const url = new URL(request.url)
@@ -88,14 +85,10 @@ export async function GET(request: NextRequest) {
         edgesCount: normalizedData.edges.length,
       })
 
-      // Use normalized table data - reconstruct complete state object
-      const existingState =
-        workflowData.state && typeof workflowData.state === 'object' ? workflowData.state : {}
-
+      // Use normalized table data - construct state from normalized tables
       workflowState = {
         deploymentStatuses: {},
         hasActiveWebhook: false,
-        ...existingState,
         blocks: normalizedData.blocks,
         edges: normalizedData.edges,
         loops: normalizedData.loops,
@@ -119,33 +112,10 @@ export async function GET(request: NextRequest) {
 
       logger.info(`[${requestId}] Loaded workflow ${workflowId} from normalized tables`)
     } else {
-      // Fallback to JSON blob
-      logger.info(
-        `[${requestId}] Using JSON blob for workflow ${workflowId} - no normalized data found`
+      return NextResponse.json(
+        { success: false, error: 'Workflow has no normalized data' },
+        { status: 400 }
       )
-
-      if (!workflowData.state || typeof workflowData.state !== 'object') {
-        return NextResponse.json(
-          { success: false, error: 'Workflow has no valid state data' },
-          { status: 400 }
-        )
-      }
-
-      workflowState = workflowData.state as any
-
-      // Extract subblock values from JSON blob state
-      if (workflowState.blocks) {
-        Object.entries(workflowState.blocks).forEach(([blockId, block]: [string, any]) => {
-          subBlockValues[blockId] = {}
-          if (block.subBlocks) {
-            Object.entries(block.subBlocks).forEach(([subBlockId, subBlock]: [string, any]) => {
-              if (subBlock && typeof subBlock === 'object' && 'value' in subBlock) {
-                subBlockValues[blockId][subBlockId] = subBlock.value
-              }
-            })
-          }
-        })
-      }
     }
 
     // Gather block registry and utilities for sim-agent
@@ -176,7 +146,6 @@ export async function GET(request: NextRequest) {
           resolveOutputType: resolveOutputType.toString(),
         },
       },
-      apiKey: SIM_AGENT_API_KEY,
     })
 
     if (!result.success || !result.data?.yaml) {

apps/sim/app/api/workspaces/route.ts

@@ -113,64 +113,6 @@ async function createWorkspace(userId: string, name: string) {
 
       // Create initial workflow for the workspace with start block
       const starterId = crypto.randomUUID()
-      const initialState = {
-        blocks: {
-          [starterId]: {
-            id: starterId,
-            type: 'starter',
-            name: 'Start',
-            position: { x: 100, y: 100 },
-            subBlocks: {
-              startWorkflow: {
-                id: 'startWorkflow',
-                type: 'dropdown',
-                value: 'manual',
-              },
-              webhookPath: {
-                id: 'webhookPath',
-                type: 'short-input',
-                value: '',
-              },
-              webhookSecret: {
-                id: 'webhookSecret',
-                type: 'short-input',
-                value: '',
-              },
-              scheduleType: {
-                id: 'scheduleType',
-                type: 'dropdown',
-                value: 'daily',
-              },
-              minutesInterval: {
-                id: 'minutesInterval',
-                type: 'short-input',
-                value: '',
-              },
-              minutesStartingAt: {
-                id: 'minutesStartingAt',
-                type: 'short-input',
-                value: '',
-              },
-            },
-            outputs: {
-              response: { type: { input: 'any' } },
-            },
-            enabled: true,
-            horizontalHandles: true,
-            isWide: false,
-            advancedMode: false,
-            height: 95,
-          },
-        },
-        edges: [],
-        subflows: {},
-        variables: {},
-        metadata: {
-          version: '1.0.0',
-          createdAt: now.toISOString(),
-          updatedAt: now.toISOString(),
-        },
-      }
 
       // Create the workflow
       await tx.insert(workflow).values({
@@ -180,7 +122,6 @@ async function createWorkspace(userId: string, name: string) {
         folderId: null,
         name: 'default-agent',
         description: 'Your first workflow - start building here!',
-        state: initialState,
         color: '#3972F6',
         lastSynced: now,
         createdAt: now,

apps/sim/app/api/yaml/autolayout/route.ts

@@ -1,6 +1,8 @@
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -16,8 +18,7 @@ import {
 const logger = createLogger('YamlAutoLayoutAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 const AutoLayoutRequestSchema = z.object({
   workflowState: z.object({
@@ -58,7 +59,6 @@ export async function POST(request: NextRequest) {
     logger.info(`[${requestId}] Applying auto layout`, {
       blockCount: Object.keys(workflowState.blocks).length,
       edgeCount: workflowState.edges.length,
-      hasApiKey: !!SIM_AGENT_API_KEY,
       strategy: options?.strategy || 'smart',
       simAgentUrl: SIM_AGENT_API_URL,
     })
@@ -102,7 +102,6 @@ export async function POST(request: NextRequest) {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         workflowState: {

apps/sim/app/api/yaml/diff/create/route.ts

@@ -1,6 +1,8 @@
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -16,8 +18,7 @@ import {
 const logger = createLogger('YamlDiffCreateAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 const CreateDiffRequestSchema = z.object({
   yamlContent: z.string().min(1),
@@ -89,7 +90,6 @@ export async function POST(request: NextRequest) {
       hasDiffAnalysis: !!diffAnalysis,
       hasOptions: !!options,
       options: options,
-      hasApiKey: !!SIM_AGENT_API_KEY,
       hasCurrentWorkflowState: !!currentWorkflowState,
       currentBlockCount: currentWorkflowState
         ? Object.keys(currentWorkflowState.blocks || {}).length
@@ -117,7 +117,6 @@ export async function POST(request: NextRequest) {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         yamlContent,

apps/sim/app/api/yaml/diff/merge/route.ts

@@ -1,6 +1,8 @@
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -16,8 +18,7 @@ import {
 const logger = createLogger('YamlDiffMergeAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 const MergeDiffRequestSchema = z.object({
   existingDiff: z.object({
@@ -64,7 +65,6 @@ export async function POST(request: NextRequest) {
       hasDiffAnalysis: !!diffAnalysis,
       hasOptions: !!options,
       options: options,
-      hasApiKey: !!SIM_AGENT_API_KEY,
     })
 
     // Gather block registry
@@ -88,7 +88,6 @@ export async function POST(request: NextRequest) {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         existingDiff,

apps/sim/app/api/yaml/generate/route.ts

@@ -1,6 +1,8 @@
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -9,8 +11,7 @@ import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/w
 const logger = createLogger('YamlGenerateAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 const GenerateRequestSchema = z.object({
   workflowState: z.any(), // Let the yaml service handle validation
@@ -27,7 +28,6 @@ export async function POST(request: NextRequest) {
     logger.info(`[${requestId}] Generating YAML from workflow`, {
       blocksCount: workflowState.blocks ? Object.keys(workflowState.blocks).length : 0,
       edgesCount: workflowState.edges ? workflowState.edges.length : 0,
-      hasApiKey: !!SIM_AGENT_API_KEY,
     })
 
     // Gather block registry and utilities
@@ -51,7 +51,6 @@ export async function POST(request: NextRequest) {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         workflowState,

apps/sim/app/api/yaml/health/route.ts

@@ -1,26 +1,24 @@
 import { NextResponse } from 'next/server'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 
 const logger = createLogger('YamlHealthAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 export async function GET() {
   const requestId = crypto.randomUUID().slice(0, 8)
 
   try {
-    logger.info(`[${requestId}] Checking YAML service health`, {
-      hasApiKey: !!SIM_AGENT_API_KEY,
-    })
+    logger.info(`[${requestId}] Checking YAML service health`)
 
     // Check sim-agent health
     const response = await fetch(`${SIM_AGENT_API_URL}/health`, {
       method: 'GET',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
     })
 

apps/sim/app/api/yaml/parse/route.ts

@@ -1,6 +1,8 @@
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -9,11 +11,10 @@ import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/w
 const logger = createLogger('YamlParseAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 const ParseRequestSchema = z.object({
-  yamlContent: z.string().min(1),
+  yamlContent: z.string(),
 })
 
 export async function POST(request: NextRequest) {
@@ -25,7 +26,6 @@ export async function POST(request: NextRequest) {
 
     logger.info(`[${requestId}] Parsing YAML`, {
       contentLength: yamlContent.length,
-      hasApiKey: !!SIM_AGENT_API_KEY,
     })
 
     // Gather block registry and utilities
@@ -49,7 +49,6 @@ export async function POST(request: NextRequest) {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         yamlContent,

apps/sim/app/api/yaml/to-workflow/route.ts

@@ -1,6 +1,8 @@
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -9,8 +11,7 @@ import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/w
 const logger = createLogger('YamlToWorkflowAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = process.env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = process.env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 const ConvertRequestSchema = z.object({
   yamlContent: z.string().min(1),
@@ -33,7 +34,6 @@ export async function POST(request: NextRequest) {
     logger.info(`[${requestId}] Converting YAML to workflow`, {
       contentLength: yamlContent.length,
       hasOptions: !!options,
-      hasApiKey: !!SIM_AGENT_API_KEY,
     })
 
     // Gather block registry and utilities
@@ -57,7 +57,6 @@ export async function POST(request: NextRequest) {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         yamlContent,

apps/sim/app/globals.css

@@ -14,7 +14,8 @@
 }
 
 .workflow-container .react-flow__node-loopNode,
-.workflow-container .react-flow__node-parallelNode {
+.workflow-container .react-flow__node-parallelNode,
+.workflow-container .react-flow__node-subflowNode {
   z-index: -1 !important;
 }
 

apps/sim/app/workspace/[workspaceId]/knowledge/[id]/base.tsx

@@ -86,7 +86,7 @@ const getStatusDisplay = (doc: DocumentData) => {
           </>
         ),
         className:
-          'inline-flex items-center rounded-md bg-[var(--brand-primary-hex)]/10 px-2 py-1 text-xs font-medium text-[var(--brand-primary-hex)] dark:bg-[var(--brand-primary-hex)]/20 dark:text-[var(--brand-primary-hex)]',
+          'inline-flex items-center rounded-md bg-purple-100 px-2 py-1 text-xs font-medium text-[var(--brand-primary-hex)] dark:bg-purple-900/30 dark:text-[var(--brand-primary-hex)]',
       }
     case 'failed':
       return {

apps/sim/app/workspace/[workspaceId]/knowledge/[id]/components/upload-modal/upload-modal.tsx

@@ -7,6 +7,7 @@ import { Dialog, DialogContent, DialogHeader, DialogTitle } from '@/components/u
 import { Label } from '@/components/ui/label'
 import { Progress } from '@/components/ui/progress'
 import { createLogger } from '@/lib/logs/console/logger'
+import { getDocumentIcon } from '@/app/workspace/[workspaceId]/knowledge/components'
 import { useKnowledgeUpload } from '@/app/workspace/[workspaceId]/knowledge/hooks/use-knowledge-upload'
 
 const logger = createLogger('UploadModal')
@@ -152,6 +153,19 @@ export function UploadModal({
     }
   }
 
+  const getFileIcon = (mimeType: string, filename: string) => {
+    const IconComponent = getDocumentIcon(mimeType, filename)
+    return <IconComponent className='h-10 w-8' />
+  }
+
+  const formatFileSize = (bytes: number): string => {
+    if (bytes === 0) return '0 B'
+    const k = 1024
+    const sizes = ['B', 'KB', 'MB', 'GB']
+    const i = Math.floor(Math.log(bytes) / Math.log(k))
+    return `${Number.parseFloat((bytes / k ** i).toFixed(1))} ${sizes[i]}`
+  }
+
   // Calculate progress percentage
   const progressPercentage =
     uploadProgress.totalFiles > 0
@@ -221,11 +235,11 @@ export function UploadModal({
                     multiple
                   />
                   <p className='text-sm'>
-                    {isDragging ? 'Drop more files here!' : 'Add more files'}
+                    {isDragging ? 'Drop more files here!' : 'Drop more files or click to browse'}
                   </p>
                 </div>
 
-                <div className='max-h-60 space-y-1.5 overflow-auto'>
+                <div className='max-h-60 space-y-2 overflow-auto'>
                   {files.map((file, index) => {
                     const fileStatus = uploadProgress.fileStatuses?.[index]
                     const isCurrentlyUploading = fileStatus?.status === 'uploading'
@@ -233,26 +247,31 @@ export function UploadModal({
                     const isFailed = fileStatus?.status === 'failed'
 
                     return (
-                      <div key={index} className='space-y-1.5 rounded-md border p-2'>
-                        <div className='flex items-center justify-between'>
+                      <div key={index} className='rounded-md border p-3'>
+                        <div className='flex items-center gap-3'>
+                          {getFileIcon(file.type, file.name)}
                           <div className='min-w-0 flex-1'>
                             <div className='flex items-center gap-2'>
                               {isCurrentlyUploading && (
-                                <Loader2 className='h-4 w-4 animate-spin text-blue-500' />
+                                <Loader2 className='h-4 w-4 animate-spin text-[var(--brand-primary-hex)]' />
                               )}
                               {isCompleted && <Check className='h-4 w-4 text-green-500' />}
                               {isFailed && <X className='h-4 w-4 text-red-500' />}
-                              {!isCurrentlyUploading && !isCompleted && !isFailed && (
-                                <div className='h-4 w-4' />
-                              )}
-                              <p className='truncate text-sm'>
-                                <span className='font-medium'>{file.name}</span>
-                                <span className='text-muted-foreground'>
-                                  {' '}
-                                  • {(file.size / 1024 / 1024).toFixed(2)} MB
-                                </span>
-                              </p>
+                              <p className='truncate font-medium text-sm'>{file.name}</p>
                             </div>
+                            <div className='flex items-center gap-2'>
+                              <p className='text-muted-foreground text-xs'>
+                                {formatFileSize(file.size)}
+                              </p>
+                              {isCurrentlyUploading && (
+                                <div className='min-w-0 max-w-32 flex-1'>
+                                  <Progress value={fileStatus?.progress || 0} className='h-1' />
+                                </div>
+                              )}
+                            </div>
+                            {isFailed && fileStatus?.error && (
+                              <p className='mt-1 text-red-500 text-xs'>{fileStatus.error}</p>
+                            )}
                           </div>
                           <Button
                             type='button'
@@ -260,17 +279,11 @@ export function UploadModal({
                             size='sm'
                             onClick={() => removeFile(index)}
                             disabled={isUploading}
-                            className='h-8 w-8 p-0'
+                            className='h-8 w-8 p-0 text-muted-foreground hover:text-destructive'
                           >
                             <X className='h-4 w-4' />
                           </Button>
                         </div>
-                        {isCurrentlyUploading && (
-                          <Progress value={fileStatus?.progress || 0} className='h-1' />
-                        )}
-                        {isFailed && fileStatus?.error && (
-                          <p className='text-red-500 text-xs'>{fileStatus.error}</p>
-                        )}
                       </div>
                     )
                   })}
@@ -287,7 +300,11 @@ export function UploadModal({
           <Button variant='outline' onClick={handleClose} disabled={isUploading}>
             Cancel
           </Button>
-          <Button onClick={handleUpload} disabled={files.length === 0 || isUploading}>
+          <Button
+            onClick={handleUpload}
+            disabled={files.length === 0 || isUploading}
+            className='bg-[var(--brand-primary-hex)] font-[480] text-primary-foreground shadow-[0_0_0_0_var(--brand-primary-hex)] transition-all duration-200 hover:bg-[var(--brand-primary-hover-hex)] hover:shadow-[0_0_0_4px_rgba(127,47,255,0.15)]'
+          >
             {isUploading
               ? uploadProgress.stage === 'uploading'
                 ? `Uploading ${uploadProgress.filesCompleted + 1}/${uploadProgress.totalFiles}...`

apps/sim/app/workspace/[workspaceId]/knowledge/components/create-modal/create-modal.tsx

@@ -2,7 +2,7 @@
 
 import { useEffect, useRef, useState } from 'react'
 import { zodResolver } from '@hookform/resolvers/zod'
-import { AlertCircle, CheckCircle2, X } from 'lucide-react'
+import { AlertCircle, X } from 'lucide-react'
 import { useParams } from 'next/navigation'
 import { useForm } from 'react-hook-form'
 import { z } from 'zod'
@@ -109,6 +109,7 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
     register,
     handleSubmit,
     reset,
+    watch,
     formState: { errors },
   } = useForm<FormValues>({
     resolver: zodResolver(FormSchema),
@@ -119,9 +120,32 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
       maxChunkSize: 1024,
       overlapSize: 200,
     },
-    mode: 'onChange',
+    mode: 'onSubmit',
   })
 
+  // Watch the name field to enable/disable the submit button
+  const nameValue = watch('name')
+
+  // Reset state when modal opens/closes
+  useEffect(() => {
+    if (open) {
+      // Reset states when modal opens
+      setSubmitStatus(null)
+      setFileError(null)
+      setFiles([])
+      setIsDragging(false)
+      setDragCounter(0)
+      // Reset form to default values
+      reset({
+        name: '',
+        description: '',
+        minChunkSize: 1,
+        maxChunkSize: 1024,
+        overlapSize: 200,
+      })
+    }
+  }, [open, reset])
+
   const processFiles = async (fileList: FileList | File[]) => {
     setFileError(null)
 
@@ -292,18 +316,6 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
         logger.info(`Started processing ${uploadedFiles.length} documents in the background`)
       }
 
-      setSubmitStatus({
-        type: 'success',
-        message: 'Your knowledge base has been created successfully!',
-      })
-      reset({
-        name: '',
-        description: '',
-        minChunkSize: 1,
-        maxChunkSize: 1024,
-        overlapSize: 200,
-      })
-
       // Clean up file previews
       files.forEach((file) => URL.revokeObjectURL(file.preview))
       setFiles([])
@@ -313,10 +325,8 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
         onKnowledgeBaseCreated(newKnowledgeBase)
       }
 
-      // Close modal after a short delay to show success message
-      setTimeout(() => {
-        onOpenChange(false)
-      }, 1500)
+      // Close modal immediately - no need for success message
+      onOpenChange(false)
     } catch (error) {
       logger.error('Error creating knowledge base:', error)
       setSubmitStatus({
@@ -357,31 +367,13 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
               className='scrollbar-thin scrollbar-thumb-muted-foreground/20 hover:scrollbar-thumb-muted-foreground/25 scrollbar-track-transparent min-h-0 flex-1 overflow-y-auto px-6'
             >
               <div className='flex min-h-full flex-col py-4'>
-                {submitStatus && submitStatus.type === 'success' ? (
-                  <Alert className='mb-6 border-border border-green-200 bg-green-50 dark:border-green-900 dark:bg-green-950/30'>
-                    <div className='flex items-start gap-4 py-1'>
-                      <div className='mt-[-1.5px] flex-shrink-0'>
-                        <CheckCircle2 className='h-4 w-4 text-green-600 dark:text-green-400' />
-                      </div>
-                      <div className='mr-4 flex-1 space-y-2'>
-                        <AlertTitle className='-mt-0.5 flex items-center justify-between'>
-                          <span className='font-medium text-green-600 dark:text-green-400'>
-                            Success
-                          </span>
-                        </AlertTitle>
-                        <AlertDescription className='text-green-600 dark:text-green-400'>
-                          {submitStatus.message}
-                        </AlertDescription>
-                      </div>
-                    </div>
-                  </Alert>
-                ) : submitStatus && submitStatus.type === 'error' ? (
+                {submitStatus && submitStatus.type === 'error' && (
                   <Alert variant='destructive' className='mb-6'>
                     <AlertCircle className='h-4 w-4' />
                     <AlertTitle>Error</AlertTitle>
                     <AlertDescription>{submitStatus.message}</AlertDescription>
                   </Alert>
-                ) : null}
+                )}
 
                 {/* Form Fields Section - Fixed at top */}
                 <div className='flex-shrink-0 space-y-4'>
@@ -611,8 +603,8 @@ export function CreateModal({ open, onOpenChange, onKnowledgeBaseCreated }: Crea
                 </Button>
                 <Button
                   type='submit'
-                  disabled={isSubmitting}
-                  className='bg-[var(--brand-primary-hex)] font-[480] text-primary-foreground shadow-[0_0_0_0_var(--brand-primary-hex)] transition-all duration-200 hover:bg-[var(--brand-primary-hover-hex)] hover:shadow-[0_0_0_4px_rgba(127,47,255,0.15)]'
+                  disabled={isSubmitting || !nameValue?.trim()}
+                  className='bg-[var(--brand-primary-hex)] font-[480] text-primary-foreground shadow-[0_0_0_0_var(--brand-primary-hex)] transition-all duration-200 hover:bg-[var(--brand-primary-hover-hex)] hover:shadow-[0_0_0_4px_rgba(127,47,255,0.15)] disabled:opacity-50 disabled:hover:shadow-none'
                 >
                   {isSubmitting ? 'Creating...' : 'Create Knowledge Base'}
                 </Button>

apps/sim/app/workspace/[workspaceId]/logs/components/sidebar/sidebar.tsx

@@ -1,7 +1,7 @@
 'use client'
 
 import { useEffect, useMemo, useRef, useState } from 'react'
-import { ChevronDown, ChevronUp, Eye, X } from 'lucide-react'
+import { ChevronDown, ChevronUp, Eye, Loader2, X } from 'lucide-react'
 import { Button } from '@/components/ui/button'
 import { CopyButton } from '@/components/ui/copy-button'
 import { ScrollArea } from '@/components/ui/scroll-area'
@@ -209,29 +209,30 @@ export function Sidebar({
     }
   }, [log?.id])
 
+  const isLoadingDetails = useMemo(() => {
+    if (!log) return false
+    // Only show while we expect details to arrive (has executionId)
+    if (!log.executionId) return false
+    const hasEnhanced = !!log.executionData?.enhanced
+    const hasAnyDetails = hasEnhanced || !!log.cost || Array.isArray(log.executionData?.traceSpans)
+    return !hasAnyDetails
+  }, [log])
+
   const formattedContent = useMemo(() => {
     if (!log) return null
 
     let blockInput: Record<string, any> | undefined
 
-    if (log.metadata?.blockInput) {
-      blockInput = log.metadata.blockInput
-    } else if (log.metadata?.traceSpans) {
-      const blockIdMatch = log.message.match(/Block .+?(\d+)/i)
-      const blockId = blockIdMatch ? blockIdMatch[1] : null
-
-      if (blockId) {
-        const matchingSpan = log.metadata.traceSpans.find(
-          (span) => span.blockId === blockId || span.name.includes(`Block ${blockId}`)
-        )
-
-        if (matchingSpan?.input) {
-          blockInput = matchingSpan.input
-        }
+    if (log.executionData?.blockInput) {
+      blockInput = log.executionData.blockInput
+    } else if (log.executionData?.traceSpans) {
+      const firstSpanWithInput = log.executionData.traceSpans.find((s) => s.input)
+      if (firstSpanWithInput?.input) {
+        blockInput = firstSpanWithInput.input as any
       }
     }
 
-    return formatJsonContent(log.message, blockInput)
+    return null
   }, [log])
 
   useEffect(() => {
@@ -243,22 +244,16 @@ export function Sidebar({
   // Determine if this is a workflow execution log
   const isWorkflowExecutionLog = useMemo(() => {
     if (!log) return false
-    // Check if message contains workflow execution phrases (success or failure)
     return (
-      log.message.toLowerCase().includes('workflow executed') ||
-      log.message.toLowerCase().includes('execution completed') ||
-      log.message.toLowerCase().includes('workflow execution failed') ||
-      log.message.toLowerCase().includes('execution failed') ||
-      (log.trigger === 'manual' && log.duration) ||
-      // Also check if we have enhanced logging metadata with trace spans
-      (log.metadata?.enhanced && log.metadata?.traceSpans)
+      (log.trigger === 'manual' && !!log.duration) ||
+      (log.executionData?.enhanced && log.executionData?.traceSpans)
     )
   }, [log])
 
   // Helper to determine if we have cost information to display
   // All workflow executions now have cost info (base charge + any model costs)
   const hasCostInfo = useMemo(() => {
-    return isWorkflowExecutionLog && log?.metadata?.cost
+    return isWorkflowExecutionLog && log?.cost
   }, [log, isWorkflowExecutionLog])
 
   const isWorkflowWithCost = useMemo(() => {
@@ -490,6 +485,14 @@ export function Sidebar({
                   </div>
                 )}
 
+                {/* Suspense while details load (positioned after summary fields) */}
+                {isLoadingDetails && (
+                  <div className='flex w-full items-center justify-start gap-2 py-2 text-muted-foreground'>
+                    <Loader2 className='h-4 w-4 animate-spin' />
+                    <span className='text-sm'>Loading details…</span>
+                  </div>
+                )}
+
                 {/* Files */}
                 {log.files && log.files.length > 0 && (
                   <div>
@@ -541,19 +544,15 @@ export function Sidebar({
                   </div>
                 )}
 
-                {/* Message Content */}
-                <div className='w-full pb-2'>
-                  <h3 className='mb-1 font-medium text-muted-foreground text-xs'>Message</h3>
-                  <div className='w-full'>{formattedContent}</div>
-                </div>
+                {/* end suspense */}
 
                 {/* Trace Spans (if available and this is a workflow execution log) */}
-                {isWorkflowExecutionLog && log.metadata?.traceSpans && (
+                {isWorkflowExecutionLog && log.executionData?.traceSpans && (
                   <div className='w-full'>
                     <div className='w-full overflow-x-hidden'>
                       <TraceSpansDisplay
-                        traceSpans={log.metadata.traceSpans}
-                        totalDuration={log.metadata.totalDuration}
+                        traceSpans={log.executionData.traceSpans}
+                        totalDuration={log.executionData.totalDuration}
                         onExpansionChange={handleTraceSpanToggle}
                       />
                     </div>
@@ -561,11 +560,11 @@ export function Sidebar({
                 )}
 
                 {/* Tool Calls (if available) */}
-                {log.metadata?.toolCalls && log.metadata.toolCalls.length > 0 && (
+                {log.executionData?.toolCalls && log.executionData.toolCalls.length > 0 && (
                   <div className='w-full'>
                     <h3 className='mb-1 font-medium text-muted-foreground text-xs'>Tool Calls</h3>
                     <div className='w-full overflow-x-hidden rounded-md bg-secondary/30 p-3'>
-                      <ToolCallsDisplay metadata={log.metadata} />
+                      <ToolCallsDisplay metadata={log.executionData} />
                     </div>
                   </div>
                 )}
@@ -584,86 +583,80 @@ export function Sidebar({
                         </div>
                         <div className='flex items-center justify-between'>
                           <span className='text-muted-foreground text-sm'>Model Input:</span>
-                          <span className='text-sm'>
-                            {formatCost(log.metadata?.cost?.input || 0)}
-                          </span>
+                          <span className='text-sm'>{formatCost(log.cost?.input || 0)}</span>
                         </div>
                         <div className='flex items-center justify-between'>
                           <span className='text-muted-foreground text-sm'>Model Output:</span>
-                          <span className='text-sm'>
-                            {formatCost(log.metadata?.cost?.output || 0)}
-                          </span>
+                          <span className='text-sm'>{formatCost(log.cost?.output || 0)}</span>
                         </div>
                         <div className='mt-1 flex items-center justify-between border-t pt-2'>
                           <span className='text-muted-foreground text-sm'>Total:</span>
                           <span className='text-foreground text-sm'>
-                            {formatCost(log.metadata?.cost?.total || 0)}
+                            {formatCost(log.cost?.total || 0)}
                           </span>
                         </div>
                         <div className='flex items-center justify-between'>
                           <span className='text-muted-foreground text-xs'>Tokens:</span>
                           <span className='text-muted-foreground text-xs'>
-                            {log.metadata?.cost?.tokens?.prompt || 0} in /{' '}
-                            {log.metadata?.cost?.tokens?.completion || 0} out
+                            {log.cost?.tokens?.prompt || 0} in / {log.cost?.tokens?.completion || 0}{' '}
+                            out
                           </span>
                         </div>
                       </div>
 
                       {/* Models Breakdown */}
-                      {log.metadata?.cost?.models &&
-                        Object.keys(log.metadata?.cost?.models).length > 0 && (
-                          <div className='border-t'>
-                            <button
-                              onClick={() => setIsModelsExpanded(!isModelsExpanded)}
-                              className='flex w-full items-center justify-between p-3 text-left transition-colors hover:bg-muted/50'
-                            >
-                              <span className='font-medium text-muted-foreground text-xs'>
-                                Model Breakdown (
-                                {Object.keys(log.metadata?.cost?.models || {}).length})
-                              </span>
-                              {isModelsExpanded ? (
-                                <ChevronUp className='h-3 w-3 text-muted-foreground' />
-                              ) : (
-                                <ChevronDown className='h-3 w-3 text-muted-foreground' />
-                              )}
-                            </button>
+                      {log.cost?.models && Object.keys(log.cost?.models).length > 0 && (
+                        <div className='border-t'>
+                          <button
+                            onClick={() => setIsModelsExpanded(!isModelsExpanded)}
+                            className='flex w-full items-center justify-between p-3 text-left transition-colors hover:bg-muted/50'
+                          >
+                            <span className='font-medium text-muted-foreground text-xs'>
+                              Model Breakdown ({Object.keys(log.cost?.models || {}).length})
+                            </span>
+                            {isModelsExpanded ? (
+                              <ChevronUp className='h-3 w-3 text-muted-foreground' />
+                            ) : (
+                              <ChevronDown className='h-3 w-3 text-muted-foreground' />
+                            )}
+                          </button>
 
-                            {isModelsExpanded && (
-                              <div className='space-y-3 border-t bg-muted/30 p-3'>
-                                {Object.entries(log.metadata?.cost?.models || {}).map(
-                                  ([model, cost]: [string, any]) => (
-                                    <div key={model} className='space-y-1'>
-                                      <div className='font-medium font-mono text-xs'>{model}</div>
-                                      <div className='space-y-1 text-xs'>
-                                        <div className='flex justify-between'>
-                                          <span className='text-muted-foreground'>Input:</span>
-                                          <span>{formatCost(cost.input || 0)}</span>
-                                        </div>
-                                        <div className='flex justify-between'>
-                                          <span className='text-muted-foreground'>Output:</span>
-                                          <span>{formatCost(cost.output || 0)}</span>
-                                        </div>
-                                        <div className='flex justify-between border-t pt-1'>
-                                          <span className='text-muted-foreground'>Total:</span>
-                                          <span className='font-medium'>
-                                            {formatCost(cost.total || 0)}
-                                          </span>
-                                        </div>
-                                        <div className='flex justify-between'>
-                                          <span className='text-muted-foreground'>Tokens:</span>
-                                          <span>
-                                            {cost.tokens?.prompt || 0} in /{' '}
-                                            {cost.tokens?.completion || 0} out
-                                          </span>
-                                        </div>
+                          {isModelsExpanded && (
+                            <div className='space-y-3 border-t bg-muted/30 p-3'>
+                              {Object.entries(log.cost?.models || {}).map(
+                                ([model, cost]: [string, any]) => (
+                                  <div key={model} className='space-y-1'>
+                                    <div className='font-medium font-mono text-xs'>{model}</div>
+                                    <div className='space-y-1 text-xs'>
+                                      <div className='flex justify-between'>
+                                        <span className='text-muted-foreground'>Input:</span>
+                                        <span>{formatCost(cost.input || 0)}</span>
+                                      </div>
+                                      <div className='flex justify-between'>
+                                        <span className='text-muted-foreground'>Output:</span>
+                                        <span>{formatCost(cost.output || 0)}</span>
+                                      </div>
+                                      <div className='flex justify-between border-t pt-1'>
+                                        <span className='text-muted-foreground'>Total:</span>
+                                        <span className='font-medium'>
+                                          {formatCost(cost.total || 0)}
+                                        </span>
+                                      </div>
+                                      <div className='flex justify-between'>
+                                        <span className='text-muted-foreground'>Tokens:</span>
+                                        <span>
+                                          {cost.tokens?.prompt || 0} in /{' '}
+                                          {cost.tokens?.completion || 0} out
+                                        </span>
                                       </div>
                                     </div>
-                                  )
-                                )}
-                              </div>
-                            )}
-                          </div>
-                        )}
+                                  </div>
+                                )
+                              )}
+                            </div>
+                          )}
+                        </div>
+                      )}
 
                       {isWorkflowWithCost && (
                         <div className='border-t bg-muted p-3 text-muted-foreground text-xs'>
@@ -688,7 +681,7 @@ export function Sidebar({
           executionId={log.executionId}
           workflowName={log.workflow?.name}
           trigger={log.trigger || undefined}
-          traceSpans={log.metadata?.traceSpans}
+          traceSpans={log.executionData?.traceSpans}
           isOpen={isFrozenCanvasOpen}
           onClose={() => setIsFrozenCanvasOpen(false)}
         />

apps/sim/app/workspace/[workspaceId]/logs/logs.tsx

@@ -85,6 +85,10 @@ export default function Logs() {
   const [selectedLog, setSelectedLog] = useState<WorkflowLog | null>(null)
   const [selectedLogIndex, setSelectedLogIndex] = useState<number>(-1)
   const [isSidebarOpen, setIsSidebarOpen] = useState(false)
+  const [isDetailsLoading, setIsDetailsLoading] = useState(false)
+  const detailsCacheRef = useRef<Map<string, any>>(new Map())
+  const detailsAbortRef = useRef<AbortController | null>(null)
+  const currentDetailsIdRef = useRef<string | null>(null)
   const selectedRowRef = useRef<HTMLTableRowElement | null>(null)
   const loaderRef = useRef<HTMLDivElement>(null)
   const scrollContainerRef = useRef<HTMLDivElement>(null)
@@ -116,13 +120,122 @@ export default function Logs() {
     const index = logs.findIndex((l) => l.id === log.id)
     setSelectedLogIndex(index)
     setIsSidebarOpen(true)
+    setIsDetailsLoading(true)
+
+    // Fetch details for current, previous, and next concurrently with cache
+    const currentId = log.id
+    const prevId = index > 0 ? logs[index - 1]?.id : undefined
+    const nextId = index < logs.length - 1 ? logs[index + 1]?.id : undefined
+
+    // Abort any previous details fetch batch
+    if (detailsAbortRef.current) {
+      try {
+        detailsAbortRef.current.abort()
+      } catch {
+        /* no-op */
+      }
+    }
+    const controller = new AbortController()
+    detailsAbortRef.current = controller
+    currentDetailsIdRef.current = currentId
+
+    const idsToFetch: Array<{ id: string; merge: boolean }> = []
+    const cachedCurrent = currentId ? detailsCacheRef.current.get(currentId) : undefined
+    if (currentId && !cachedCurrent) idsToFetch.push({ id: currentId, merge: true })
+    if (prevId && !detailsCacheRef.current.has(prevId))
+      idsToFetch.push({ id: prevId, merge: false })
+    if (nextId && !detailsCacheRef.current.has(nextId))
+      idsToFetch.push({ id: nextId, merge: false })
+
+    // Merge cached current immediately
+    if (cachedCurrent) {
+      setSelectedLog((prev) =>
+        prev && prev.id === currentId
+          ? ({ ...(prev as any), ...(cachedCurrent as any) } as any)
+          : prev
+      )
+      setIsDetailsLoading(false)
+    }
+    if (idsToFetch.length === 0) return
+
+    Promise.all(
+      idsToFetch.map(async ({ id, merge }) => {
+        try {
+          const res = await fetch(`/api/logs/by-id/${id}`, { signal: controller.signal })
+          if (!res.ok) return
+          const body = await res.json()
+          const detailed = body?.data
+          if (detailed) {
+            detailsCacheRef.current.set(id, detailed)
+            if (merge && id === currentId) {
+              setSelectedLog((prev) =>
+                prev && prev.id === id ? ({ ...(prev as any), ...(detailed as any) } as any) : prev
+              )
+              if (currentDetailsIdRef.current === id) setIsDetailsLoading(false)
+            }
+          }
+        } catch (e: any) {
+          if (e?.name === 'AbortError') return
+        }
+      })
+    ).catch(() => {})
   }
 
   const handleNavigateNext = useCallback(() => {
     if (selectedLogIndex < logs.length - 1) {
       const nextIndex = selectedLogIndex + 1
       setSelectedLogIndex(nextIndex)
-      setSelectedLog(logs[nextIndex])
+      const nextLog = logs[nextIndex]
+      setSelectedLog(nextLog)
+      // Abort any previous details fetch batch
+      if (detailsAbortRef.current) {
+        try {
+          detailsAbortRef.current.abort()
+        } catch {
+          /* no-op */
+        }
+      }
+      const controller = new AbortController()
+      detailsAbortRef.current = controller
+
+      const cached = detailsCacheRef.current.get(nextLog.id)
+      if (cached) {
+        setSelectedLog((prev) =>
+          prev && prev.id === nextLog.id ? ({ ...(prev as any), ...(cached as any) } as any) : prev
+        )
+      } else {
+        const prevId = nextIndex > 0 ? logs[nextIndex - 1]?.id : undefined
+        const afterId = nextIndex < logs.length - 1 ? logs[nextIndex + 1]?.id : undefined
+        const idsToFetch: Array<{ id: string; merge: boolean }> = []
+        if (nextLog.id && !detailsCacheRef.current.has(nextLog.id))
+          idsToFetch.push({ id: nextLog.id, merge: true })
+        if (prevId && !detailsCacheRef.current.has(prevId))
+          idsToFetch.push({ id: prevId, merge: false })
+        if (afterId && !detailsCacheRef.current.has(afterId))
+          idsToFetch.push({ id: afterId, merge: false })
+        Promise.all(
+          idsToFetch.map(async ({ id, merge }) => {
+            try {
+              const res = await fetch(`/api/logs/by-id/${id}`, { signal: controller.signal })
+              if (!res.ok) return
+              const body = await res.json()
+              const detailed = body?.data
+              if (detailed) {
+                detailsCacheRef.current.set(id, detailed)
+                if (merge && id === nextLog.id) {
+                  setSelectedLog((prev) =>
+                    prev && prev.id === id
+                      ? ({ ...(prev as any), ...(detailed as any) } as any)
+                      : prev
+                  )
+                }
+              }
+            } catch (e: any) {
+              if (e?.name === 'AbortError') return
+            }
+          })
+        ).catch(() => {})
+      }
     }
   }, [selectedLogIndex, logs])
 
@@ -130,7 +243,57 @@ export default function Logs() {
     if (selectedLogIndex > 0) {
       const prevIndex = selectedLogIndex - 1
       setSelectedLogIndex(prevIndex)
-      setSelectedLog(logs[prevIndex])
+      const prevLog = logs[prevIndex]
+      setSelectedLog(prevLog)
+      // Abort any previous details fetch batch
+      if (detailsAbortRef.current) {
+        try {
+          detailsAbortRef.current.abort()
+        } catch {
+          /* no-op */
+        }
+      }
+      const controller = new AbortController()
+      detailsAbortRef.current = controller
+
+      const cached = detailsCacheRef.current.get(prevLog.id)
+      if (cached) {
+        setSelectedLog((prev) =>
+          prev && prev.id === prevLog.id ? ({ ...(prev as any), ...(cached as any) } as any) : prev
+        )
+      } else {
+        const beforeId = prevIndex > 0 ? logs[prevIndex - 1]?.id : undefined
+        const afterId = prevIndex < logs.length - 1 ? logs[prevIndex + 1]?.id : undefined
+        const idsToFetch: Array<{ id: string; merge: boolean }> = []
+        if (prevLog.id && !detailsCacheRef.current.has(prevLog.id))
+          idsToFetch.push({ id: prevLog.id, merge: true })
+        if (beforeId && !detailsCacheRef.current.has(beforeId))
+          idsToFetch.push({ id: beforeId, merge: false })
+        if (afterId && !detailsCacheRef.current.has(afterId))
+          idsToFetch.push({ id: afterId, merge: false })
+        Promise.all(
+          idsToFetch.map(async ({ id, merge }) => {
+            try {
+              const res = await fetch(`/api/logs/by-id/${id}`, { signal: controller.signal })
+              if (!res.ok) return
+              const body = await res.json()
+              const detailed = body?.data
+              if (detailed) {
+                detailsCacheRef.current.set(id, detailed)
+                if (merge && id === prevLog.id) {
+                  setSelectedLog((prev) =>
+                    prev && prev.id === id
+                      ? ({ ...(prev as any), ...(detailed as any) } as any)
+                      : prev
+                  )
+                }
+              }
+            } catch (e: any) {
+              if (e?.name === 'AbortError') return
+            }
+          })
+        ).catch(() => {})
+      }
     }
   }, [selectedLogIndex, logs])
 
@@ -160,7 +323,7 @@ export default function Logs() {
       // Get fresh query params by calling buildQueryParams from store
       const { buildQueryParams: getCurrentQueryParams } = useFilterStore.getState()
       const queryParams = getCurrentQueryParams(pageNum, LOGS_PER_PAGE)
-      const response = await fetch(`/api/logs?${queryParams}`)
+      const response = await fetch(`/api/logs?${queryParams}&details=basic`)
 
       if (!response.ok) {
         throw new Error(`Error fetching logs: ${response.statusText}`)
@@ -262,7 +425,7 @@ export default function Logs() {
 
         // Build query params inline to avoid dependency issues
         const params = new URLSearchParams()
-        params.set('includeWorkflow', 'true')
+        params.set('details', 'basic')
         params.set('limit', LOGS_PER_PAGE.toString())
         params.set('offset', '0') // Always start from page 1
         params.set('workspaceId', workspaceId)
@@ -482,7 +645,7 @@ export default function Logs() {
               {/* Header */}
               <div>
                 <div className='border-border border-b'>
-                  <div className='grid min-w-[600px] grid-cols-[120px_80px_120px_80px_1fr] gap-2 px-2 pb-3 md:grid-cols-[140px_90px_140px_90px_1fr] md:gap-3 lg:min-w-0 lg:grid-cols-[160px_100px_160px_100px_1fr] lg:gap-4 xl:grid-cols-[160px_100px_160px_100px_100px_1fr_100px]'>
+                  <div className='grid min-w-[600px] grid-cols-[120px_80px_120px_120px] gap-2 px-2 pb-3 md:grid-cols-[140px_90px_140px_120px] md:gap-3 lg:min-w-0 lg:grid-cols-[160px_100px_160px_120px] lg:gap-4 xl:grid-cols-[160px_100px_160px_120px_120px_100px]'>
                     <div className='font-[480] font-sans text-[13px] text-muted-foreground leading-normal'>
                       Time
                     </div>
@@ -493,14 +656,12 @@ export default function Logs() {
                       Workflow
                     </div>
                     <div className='font-[480] font-sans text-[13px] text-muted-foreground leading-normal'>
-                      ID
+                      Cost
                     </div>
                     <div className='hidden font-[480] font-sans text-[13px] text-muted-foreground leading-normal xl:block'>
                       Trigger
                     </div>
-                    <div className='font-[480] font-sans text-[13px] text-muted-foreground leading-normal'>
-                      Message
-                    </div>
+
                     <div className='hidden font-[480] font-sans text-[13px] text-muted-foreground leading-normal xl:block'>
                       Duration
                     </div>
@@ -547,7 +708,7 @@ export default function Logs() {
                         }`}
                         onClick={() => handleLogClick(log)}
                       >
-                        <div className='grid min-w-[600px] grid-cols-[120px_80px_120px_80px_1fr] items-center gap-2 px-2 py-4 md:grid-cols-[140px_90px_140px_90px_1fr] md:gap-3 lg:min-w-0 lg:grid-cols-[160px_100px_160px_100px_1fr] lg:gap-4 xl:grid-cols-[160px_100px_160px_100px_100px_1fr_100px]'>
+                        <div className='grid min-w-[600px] grid-cols-[120px_80px_120px_120px] items-center gap-2 px-2 py-4 md:grid-cols-[140px_90px_140px_120px] md:gap-3 lg:min-w-0 lg:grid-cols-[160px_100px_160px_120px] lg:gap-4 xl:grid-cols-[160px_100px_160px_120px_120px_100px]'>
                           {/* Time */}
                           <div>
                             <div className='text-[13px]'>
@@ -584,10 +745,12 @@ export default function Logs() {
                             </div>
                           </div>
 
-                          {/* ID */}
+                          {/* Cost */}
                           <div>
                             <div className='font-medium text-muted-foreground text-xs'>
-                              #{log.id.slice(-4)}
+                              {typeof (log as any)?.cost?.total === 'number'
+                                ? `$${((log as any).cost.total as number).toFixed(4)}`
+                                : '—'}
                             </div>
                           </div>
 
@@ -614,11 +777,6 @@ export default function Logs() {
                             )}
                           </div>
 
-                          {/* Message */}
-                          <div className='min-w-0'>
-                            <div className='truncate font-[420] text-[13px]'>{log.message}</div>
-                          </div>
-
                           {/* Duration */}
                           <div className='hidden xl:block'>
                             <div className='text-muted-foreground text-xs'>

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/control-bar/control-bar.tsx

@@ -32,7 +32,6 @@ import {
   TooltipTrigger,
 } from '@/components/ui'
 import { useSession } from '@/lib/auth-client'
-import { isDev } from '@/lib/environment'
 import { createLogger } from '@/lib/logs/console/logger'
 import { cn } from '@/lib/utils'
 import { useUserPermissionsContext } from '@/app/workspace/[workspaceId]/providers/workspace-permissions-provider'
@@ -341,10 +340,11 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
    * Handle deleting the current workflow
    */
   const handleDeleteWorkflow = () => {
-    if (!activeWorkflowId || !userPermissions.canEdit) return
+    const currentWorkflowId = params.workflowId as string
+    if (!currentWorkflowId || !userPermissions.canEdit) return
 
     const sidebarWorkflows = getSidebarOrderedWorkflows()
-    const currentIndex = sidebarWorkflows.findIndex((w) => w.id === activeWorkflowId)
+    const currentIndex = sidebarWorkflows.findIndex((w) => w.id === currentWorkflowId)
 
     // Find next workflow: try next, then previous
     let nextWorkflowId: string | null = null
@@ -363,8 +363,8 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
       router.push(`/workspace/${workspaceId}`)
     }
 
-    // Remove the workflow from the registry
-    useWorkflowRegistry.getState().removeWorkflow(activeWorkflowId)
+    // Remove the workflow from the registry using the URL parameter
+    useWorkflowRegistry.getState().removeWorkflow(currentWorkflowId)
   }
 
   // Helper function to open subscription settings
@@ -413,7 +413,7 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
         <Tooltip>
           <TooltipTrigger asChild>
             <div className='inline-flex h-12 w-12 cursor-not-allowed items-center justify-center rounded-[11px] border bg-card text-card-foreground opacity-50 shadow-xs transition-colors'>
-              <Trash2 className='h-5 w-5' />
+              <Trash2 className='h-4 w-4' />
             </div>
           </TooltipTrigger>
           <TooltipContent>{getTooltipText()}</TooltipContent>
@@ -498,7 +498,7 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
         <TooltipTrigger asChild>
           {isDisabled ? (
             <div className='inline-flex h-12 w-12 cursor-not-allowed items-center justify-center rounded-[11px] border bg-card text-card-foreground opacity-50 shadow-xs transition-colors'>
-              <Copy className='h-5 w-5' />
+              <Copy className='h-4 w-4' />
             </div>
           ) : (
             <Button
@@ -563,9 +563,9 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
           {isDisabled ? (
             <div className='inline-flex h-12 w-12 cursor-not-allowed items-center justify-center rounded-[11px] border bg-card text-card-foreground opacity-50 shadow-xs transition-colors'>
               {isAutoLayouting ? (
-                <RefreshCw className='h-5 w-5 animate-spin' />
+                <RefreshCw className='h-4 w-4 animate-spin' />
               ) : (
-                <Layers className='h-5 w-5' />
+                <Layers className='h-4 w-4' />
               )}
             </div>
           ) : (
@@ -721,7 +721,7 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
         <TooltipTrigger asChild>
           {isDisabled ? (
             <div className='inline-flex h-12 w-12 cursor-not-allowed items-center justify-center rounded-[11px] border bg-card text-card-foreground opacity-50 shadow-xs transition-colors'>
-              <Store className='h-5 w-5' />
+              <Store className='h-4 w-4' />
             </div>
           ) : (
             <Button
@@ -775,7 +775,7 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
                 isDebugging && 'text-amber-500'
               )}
             >
-              <Bug className='h-5 w-5' />
+              <Bug className='h-4 w-4' />
             </div>
           ) : (
             <Button variant='outline' onClick={handleDebugToggle} className={buttonClass}>
@@ -999,14 +999,13 @@ export function ControlBar({ hasValidationErrors = false }: ControlBarProps) {
   return (
     <div className='fixed top-4 right-4 z-20 flex items-center gap-1'>
       {renderDisconnectionNotice()}
-      {!isDev && renderToggleButton()}
-      {isExpanded && !isDev && <ExportControls />}
-      {isExpanded && !isDev && renderAutoLayoutButton()}
-      {!isDev && isExpanded && renderDuplicateButton()}
-      {isDev && renderDuplicateButton()}
+      {renderToggleButton()}
+      {isExpanded && <ExportControls />}
+      {isExpanded && renderAutoLayoutButton()}
+      {renderDuplicateButton()}
       {renderDeleteButton()}
       {!isDebugging && renderDebugModeToggle()}
-      {renderPublishButton()}
+      {isExpanded && renderPublishButton()}
       {renderDeployButton()}
       {isDebugging ? renderDebugControlsBar() : renderRunButton()}
 

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/diff-controls.tsx

@@ -196,22 +196,17 @@ export function DiffControls() {
         logger.warn('Failed to clear preview YAML:', error)
       })
 
-      // Accept changes with automatic backup and rollback on failure
-      await acceptChanges()
+      // Accept changes without blocking the UI; errors will be logged by the store handler
+      acceptChanges().catch((error) => {
+        logger.error('Failed to accept changes (background):', error)
+      })
 
-      logger.info('Successfully accepted and saved workflow changes')
-      // Show success feedback if needed
+      logger.info('Accept triggered; UI will update optimistically')
     } catch (error) {
       logger.error('Failed to accept changes:', error)
 
-      // Show error notification to user
-      // Note: The acceptChanges function has already rolled back the state
       const errorMessage = error instanceof Error ? error.message : 'Unknown error occurred'
-
-      // You could add toast notification here
       console.error('Workflow update failed:', errorMessage)
-
-      // Optionally show user-facing error dialog
       alert(`Failed to save workflow changes: ${errorMessage}`)
     }
   }

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/error/index.tsx

@@ -4,6 +4,8 @@ import { Component, type ReactNode, useEffect } from 'react'
 import { BotIcon } from 'lucide-react'
 import { Card } from '@/components/ui/card'
 import { createLogger } from '@/lib/logs/console/logger'
+import { ControlBar } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/control-bar/control-bar'
+import { Panel } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/panel/panel'
 
 const logger = createLogger('ErrorBoundary')
 
@@ -22,18 +24,32 @@ export function ErrorUI({
   fullScreen = false,
 }: ErrorUIProps) {
   const containerClass = fullScreen
-    ? 'flex items-center justify-center w-full h-screen bg-muted/40'
-    : 'flex items-center justify-center w-full h-full bg-muted/40'
+    ? 'flex flex-col w-full h-screen bg-muted/40'
+    : 'flex flex-col w-full h-full bg-muted/40'
 
   return (
     <div className={containerClass}>
-      <Card className='max-w-md space-y-4 p-6 text-center'>
-        <div className='flex justify-center'>
-          <BotIcon className='h-16 w-16 text-muted-foreground' />
+      {/* Control bar */}
+      <ControlBar hasValidationErrors={false} />
+
+      {/* Main content area */}
+      <div className='relative flex flex-1'>
+        {/* Error message */}
+        <div className='flex flex-1 items-center justify-center'>
+          <Card className='max-w-md space-y-4 p-6 text-center'>
+            <div className='flex justify-center'>
+              <BotIcon className='h-16 w-16 text-muted-foreground' />
+            </div>
+            <h3 className='font-semibold text-lg'>{title}</h3>
+            <p className='text-muted-foreground'>{message}</p>
+          </Card>
         </div>
-        <h3 className='font-semibold text-lg'>{title}</h3>
-        <p className='text-muted-foreground'>{message}</p>
-      </Card>
+
+        {/* Console panel */}
+        <div className='fixed top-0 right-0 z-10'>
+          <Panel />
+        </div>
+      </div>
     </div>
   )
 }

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/index.ts

@@ -2,8 +2,7 @@ export { ControlBar } from './control-bar/control-bar'
 export { ErrorBoundary } from './error/index'
 export { Panel } from './panel/panel'
 export { SkeletonLoading } from './skeleton-loading/skeleton-loading'
-export { LoopNodeComponent } from './subflows/loop/loop-node'
-export { ParallelNodeComponent } from './subflows/parallel/parallel-node'
+export { SubflowNodeComponent } from './subflows/subflow-node'
 export { WandPromptBar } from './wand-prompt-bar/wand-prompt-bar'
 export { WorkflowBlock } from './workflow-block/workflow-block'
 export { WorkflowEdge } from './workflow-edge/workflow-edge'

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/copilot/components/user-input/user-input.tsx

@@ -10,12 +10,12 @@ import {
 } from 'react'
 import {
   ArrowUp,
-  Boxes,
+  Brain,
   BrainCircuit,
-  BrainCog,
   Check,
   FileText,
   Image,
+  Infinity as InfinityIcon,
   Loader2,
   MessageCircle,
   Package,
@@ -435,14 +435,14 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
     }
 
     const getDepthLabel = () => {
-      if (agentDepth === 0) return 'Lite'
+      if (agentDepth === 0) return 'Fast'
       if (agentDepth === 1) return 'Auto'
       if (agentDepth === 2) return 'Pro'
       return 'Max'
     }
 
     const getDepthLabelFor = (value: 0 | 1 | 2 | 3) => {
-      if (value === 0) return 'Lite'
+      if (value === 0) return 'Fast'
       if (value === 1) return 'Auto'
       if (value === 2) return 'Pro'
       return 'Max'
@@ -459,9 +459,9 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
 
     const getDepthIconFor = (value: 0 | 1 | 2 | 3) => {
       if (value === 0) return <Zap className='h-3 w-3 text-muted-foreground' />
-      if (value === 1) return <Boxes className='h-3 w-3 text-muted-foreground' />
-      if (value === 2) return <BrainCircuit className='h-3 w-3 text-muted-foreground' />
-      return <BrainCog className='h-3 w-3 text-muted-foreground' />
+      if (value === 1) return <InfinityIcon className='h-3 w-3 text-muted-foreground' />
+      if (value === 2) return <Brain className='h-3 w-3 text-muted-foreground' />
+      return <BrainCircuit className='h-3 w-3 text-muted-foreground' />
     }
 
     const getDepthIcon = () => getDepthIconFor(agentDepth)
@@ -654,7 +654,7 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
                               )}
                             >
                               <span className='flex items-center gap-1.5'>
-                                <Boxes className='h-3 w-3 text-muted-foreground' />
+                                <InfinityIcon className='h-3 w-3 text-muted-foreground' />
                                 Auto
                               </span>
                               {agentDepth === 1 && (
@@ -682,7 +682,7 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
                             >
                               <span className='flex items-center gap-1.5'>
                                 <Zap className='h-3 w-3 text-muted-foreground' />
-                                Lite
+                                Fast
                               </span>
                               {agentDepth === 0 && (
                                 <Check className='h-3 w-3 text-muted-foreground' />
@@ -709,7 +709,7 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
                               )}
                             >
                               <span className='flex items-center gap-1.5'>
-                                <BrainCircuit className='h-3 w-3 text-muted-foreground' />
+                                <Brain className='h-3 w-3 text-muted-foreground' />
                                 Pro
                               </span>
                               {agentDepth === 2 && (
@@ -737,7 +737,7 @@ const UserInput = forwardRef<UserInputRef, UserInputProps>(
                               )}
                             >
                               <span className='flex items-center gap-1.5'>
-                                <BrainCog className='h-3 w-3 text-muted-foreground' />
+                                <BrainCircuit className='h-3 w-3 text-muted-foreground' />
                                 Max
                               </span>
                               {agentDepth === 3 && (

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/panel.tsx

@@ -9,7 +9,6 @@ import {
 } from '@/components/ui/dropdown-menu'
 import { ScrollArea } from '@/components/ui/scroll-area'
 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip'
-import { isDev } from '@/lib/environment'
 import { useCopilotStore } from '@/stores/copilot/store'
 import { useChatStore } from '@/stores/panel/chat/store'
 import { useConsoleStore } from '@/stores/panel/console/store'
@@ -305,16 +304,14 @@ export function Panel() {
         >
           Console
         </button>
-        {!isDev && (
-          <button
-            onClick={() => handleTabClick('copilot')}
-            className={`panel-tab-base inline-flex flex-1 cursor-pointer items-center justify-center rounded-[10px] border border-transparent py-1 font-[450] text-sm outline-none transition-colors duration-200 ${
-              isOpen && activeTab === 'copilot' ? 'panel-tab-active' : 'panel-tab-inactive'
-            }`}
-          >
-            Copilot
-          </button>
-        )}
+        <button
+          onClick={() => handleTabClick('copilot')}
+          className={`panel-tab-base inline-flex flex-1 cursor-pointer items-center justify-center rounded-[10px] border border-transparent py-1 font-[450] text-sm outline-none transition-colors duration-200 ${
+            isOpen && activeTab === 'copilot' ? 'panel-tab-active' : 'panel-tab-inactive'
+          }`}
+        >
+          Copilot
+        </button>
         <button
           onClick={() => handleTabClick('variables')}
           className={`panel-tab-base inline-flex flex-1 cursor-pointer items-center justify-center rounded-[10px] border border-transparent py-1 font-[450] text-sm outline-none transition-colors duration-200 ${

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/components/iteration-badges/iteration-badges.test.tsx

@@ -0,0 +1,388 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+// Mock hooks
+const mockCollaborativeUpdates = {
+  collaborativeUpdateLoopType: vi.fn(),
+  collaborativeUpdateParallelType: vi.fn(),
+  collaborativeUpdateIterationCount: vi.fn(),
+  collaborativeUpdateIterationCollection: vi.fn(),
+}
+
+const mockStoreData = {
+  loops: {},
+  parallels: {},
+}
+
+vi.mock('@/hooks/use-collaborative-workflow', () => ({
+  useCollaborativeWorkflow: () => mockCollaborativeUpdates,
+}))
+
+vi.mock('@/stores/workflows/workflow/store', () => ({
+  useWorkflowStore: () => mockStoreData,
+}))
+
+vi.mock('@/components/ui/badge', () => ({
+  Badge: ({ children, ...props }: any) => (
+    <div data-testid='badge' {...props}>
+      {children}
+    </div>
+  ),
+}))
+
+vi.mock('@/components/ui/input', () => ({
+  Input: (props: any) => <input data-testid='input' {...props} />,
+}))
+
+vi.mock('@/components/ui/popover', () => ({
+  Popover: ({ children }: any) => <div data-testid='popover'>{children}</div>,
+  PopoverContent: ({ children }: any) => <div data-testid='popover-content'>{children}</div>,
+  PopoverTrigger: ({ children }: any) => <div data-testid='popover-trigger'>{children}</div>,
+}))
+
+vi.mock('@/components/ui/tag-dropdown', () => ({
+  checkTagTrigger: vi.fn(() => ({ show: false })),
+  TagDropdown: ({ children }: any) => <div data-testid='tag-dropdown'>{children}</div>,
+}))
+
+vi.mock('react-simple-code-editor', () => ({
+  default: (props: any) => <textarea data-testid='code-editor' {...props} />,
+}))
+
+describe('IterationBadges', () => {
+  const defaultProps = {
+    nodeId: 'test-node-1',
+    data: {
+      width: 500,
+      height: 300,
+      isPreview: false,
+    },
+    iterationType: 'loop' as const,
+  }
+
+  beforeEach(() => {
+    vi.clearAllMocks()
+    mockStoreData.loops = {}
+    mockStoreData.parallels = {}
+  })
+
+  describe('Component Interface', () => {
+    it.concurrent('should accept required props', () => {
+      expect(defaultProps.nodeId).toBeDefined()
+      expect(defaultProps.data).toBeDefined()
+      expect(defaultProps.iterationType).toBeDefined()
+    })
+
+    it.concurrent('should handle loop iteration type prop', () => {
+      const loopProps = { ...defaultProps, iterationType: 'loop' as const }
+      expect(loopProps.iterationType).toBe('loop')
+    })
+
+    it.concurrent('should handle parallel iteration type prop', () => {
+      const parallelProps = { ...defaultProps, iterationType: 'parallel' as const }
+      expect(parallelProps.iterationType).toBe('parallel')
+    })
+  })
+
+  describe('Configuration System', () => {
+    it.concurrent('should use correct config for loop type', () => {
+      const CONFIG = {
+        loop: {
+          typeLabels: { for: 'For Loop', forEach: 'For Each' },
+          typeKey: 'loopType' as const,
+          storeKey: 'loops' as const,
+          maxIterations: 100,
+          configKeys: {
+            iterations: 'iterations' as const,
+            items: 'forEachItems' as const,
+          },
+        },
+      }
+
+      expect(CONFIG.loop.typeLabels.for).toBe('For Loop')
+      expect(CONFIG.loop.typeLabels.forEach).toBe('For Each')
+      expect(CONFIG.loop.maxIterations).toBe(100)
+      expect(CONFIG.loop.storeKey).toBe('loops')
+    })
+
+    it.concurrent('should use correct config for parallel type', () => {
+      const CONFIG = {
+        parallel: {
+          typeLabels: { count: 'Parallel Count', collection: 'Parallel Each' },
+          typeKey: 'parallelType' as const,
+          storeKey: 'parallels' as const,
+          maxIterations: 20,
+          configKeys: {
+            iterations: 'count' as const,
+            items: 'distribution' as const,
+          },
+        },
+      }
+
+      expect(CONFIG.parallel.typeLabels.count).toBe('Parallel Count')
+      expect(CONFIG.parallel.typeLabels.collection).toBe('Parallel Each')
+      expect(CONFIG.parallel.maxIterations).toBe(20)
+      expect(CONFIG.parallel.storeKey).toBe('parallels')
+    })
+  })
+
+  describe('Type Determination Logic', () => {
+    it.concurrent('should default to "for" for loop type', () => {
+      type IterationType = 'loop' | 'parallel'
+      const determineDefaultType = (iterationType: IterationType) => {
+        return iterationType === 'loop' ? 'for' : 'count'
+      }
+
+      const currentType = determineDefaultType('loop')
+      expect(currentType).toBe('for')
+    })
+
+    it.concurrent('should default to "count" for parallel type', () => {
+      type IterationType = 'loop' | 'parallel'
+      const determineDefaultType = (iterationType: IterationType) => {
+        return iterationType === 'loop' ? 'for' : 'count'
+      }
+
+      const currentType = determineDefaultType('parallel')
+      expect(currentType).toBe('count')
+    })
+
+    it.concurrent('should use explicit loopType when provided', () => {
+      type IterationType = 'loop' | 'parallel'
+      const determineType = (explicitType: string | undefined, iterationType: IterationType) => {
+        return explicitType || (iterationType === 'loop' ? 'for' : 'count')
+      }
+
+      const currentType = determineType('forEach', 'loop')
+      expect(currentType).toBe('forEach')
+    })
+
+    it.concurrent('should use explicit parallelType when provided', () => {
+      type IterationType = 'loop' | 'parallel'
+      const determineType = (explicitType: string | undefined, iterationType: IterationType) => {
+        return explicitType || (iterationType === 'loop' ? 'for' : 'count')
+      }
+
+      const currentType = determineType('collection', 'parallel')
+      expect(currentType).toBe('collection')
+    })
+  })
+
+  describe('Count Mode Detection', () => {
+    it.concurrent('should be in count mode for loop + for combination', () => {
+      type IterationType = 'loop' | 'parallel'
+      type LoopType = 'for' | 'forEach'
+      type ParallelType = 'count' | 'collection'
+
+      const iterationType: IterationType = 'loop'
+      const currentType: LoopType = 'for'
+      const isCountMode = iterationType === 'loop' && currentType === 'for'
+
+      expect(isCountMode).toBe(true)
+    })
+
+    it.concurrent('should be in count mode for parallel + count combination', () => {
+      type IterationType = 'loop' | 'parallel'
+      type ParallelType = 'count' | 'collection'
+
+      const iterationType: IterationType = 'parallel'
+      const currentType: ParallelType = 'count'
+      const isCountMode = iterationType === 'parallel' && currentType === 'count'
+
+      expect(isCountMode).toBe(true)
+    })
+
+    it.concurrent('should not be in count mode for loop + forEach combination', () => {
+      type IterationType = 'loop' | 'parallel'
+
+      const testCountMode = (iterationType: IterationType, currentType: string) => {
+        return iterationType === 'loop' && currentType === 'for'
+      }
+
+      const isCountMode = testCountMode('loop', 'forEach')
+      expect(isCountMode).toBe(false)
+    })
+
+    it.concurrent('should not be in count mode for parallel + collection combination', () => {
+      type IterationType = 'loop' | 'parallel'
+
+      const testCountMode = (iterationType: IterationType, currentType: string) => {
+        return iterationType === 'parallel' && currentType === 'count'
+      }
+
+      const isCountMode = testCountMode('parallel', 'collection')
+      expect(isCountMode).toBe(false)
+    })
+  })
+
+  describe('Configuration Values', () => {
+    it.concurrent('should handle default iteration count', () => {
+      const data = { count: undefined }
+      const configIterations = data.count ?? 5
+      expect(configIterations).toBe(5)
+    })
+
+    it.concurrent('should use provided iteration count', () => {
+      const data = { count: 10 }
+      const configIterations = data.count ?? 5
+      expect(configIterations).toBe(10)
+    })
+
+    it.concurrent('should handle string collection', () => {
+      const collection = '[1, 2, 3, 4, 5]'
+      const collectionString =
+        typeof collection === 'string' ? collection : JSON.stringify(collection) || ''
+      expect(collectionString).toBe('[1, 2, 3, 4, 5]')
+    })
+
+    it.concurrent('should handle object collection', () => {
+      const collection = { items: [1, 2, 3] }
+      const collectionString =
+        typeof collection === 'string' ? collection : JSON.stringify(collection) || ''
+      expect(collectionString).toBe('{"items":[1,2,3]}')
+    })
+
+    it.concurrent('should handle array collection', () => {
+      const collection = [1, 2, 3, 4, 5]
+      const collectionString =
+        typeof collection === 'string' ? collection : JSON.stringify(collection) || ''
+      expect(collectionString).toBe('[1,2,3,4,5]')
+    })
+  })
+
+  describe('Preview Mode Handling', () => {
+    it.concurrent('should handle preview mode for loops', () => {
+      const previewProps = {
+        ...defaultProps,
+        data: { ...defaultProps.data, isPreview: true },
+        iterationType: 'loop' as const,
+      }
+
+      expect(previewProps.data.isPreview).toBe(true)
+      // In preview mode, collaborative functions shouldn't be called
+      expect(mockCollaborativeUpdates.collaborativeUpdateLoopType).not.toHaveBeenCalled()
+    })
+
+    it.concurrent('should handle preview mode for parallels', () => {
+      const previewProps = {
+        ...defaultProps,
+        data: { ...defaultProps.data, isPreview: true },
+        iterationType: 'parallel' as const,
+      }
+
+      expect(previewProps.data.isPreview).toBe(true)
+      // In preview mode, collaborative functions shouldn't be called
+      expect(mockCollaborativeUpdates.collaborativeUpdateParallelType).not.toHaveBeenCalled()
+    })
+  })
+
+  describe('Store Integration', () => {
+    it.concurrent('should access loops store for loop iteration type', () => {
+      const nodeId = 'loop-node-1'
+      ;(mockStoreData.loops as any)[nodeId] = { iterations: 10 }
+
+      const nodeConfig = (mockStoreData.loops as any)[nodeId]
+      expect(nodeConfig).toBeDefined()
+      expect(nodeConfig.iterations).toBe(10)
+    })
+
+    it.concurrent('should access parallels store for parallel iteration type', () => {
+      const nodeId = 'parallel-node-1'
+      ;(mockStoreData.parallels as any)[nodeId] = { count: 5 }
+
+      const nodeConfig = (mockStoreData.parallels as any)[nodeId]
+      expect(nodeConfig).toBeDefined()
+      expect(nodeConfig.count).toBe(5)
+    })
+
+    it.concurrent('should handle missing node configuration gracefully', () => {
+      const nodeId = 'missing-node'
+      const nodeConfig = (mockStoreData.loops as any)[nodeId]
+      expect(nodeConfig).toBeUndefined()
+    })
+  })
+
+  describe('Max Iterations Limits', () => {
+    it.concurrent('should enforce max iterations for loops (100)', () => {
+      const maxIterations = 100
+      const testValue = 150
+      const clampedValue = Math.min(maxIterations, testValue)
+      expect(clampedValue).toBe(100)
+    })
+
+    it.concurrent('should enforce max iterations for parallels (20)', () => {
+      const maxIterations = 20
+      const testValue = 50
+      const clampedValue = Math.min(maxIterations, testValue)
+      expect(clampedValue).toBe(20)
+    })
+
+    it.concurrent('should allow values within limits', () => {
+      const loopMaxIterations = 100
+      const parallelMaxIterations = 20
+
+      expect(Math.min(loopMaxIterations, 50)).toBe(50)
+      expect(Math.min(parallelMaxIterations, 10)).toBe(10)
+    })
+  })
+
+  describe('Collaborative Update Functions', () => {
+    it.concurrent('should have the correct collaborative functions available', () => {
+      expect(mockCollaborativeUpdates.collaborativeUpdateLoopType).toBeDefined()
+      expect(mockCollaborativeUpdates.collaborativeUpdateParallelType).toBeDefined()
+      expect(mockCollaborativeUpdates.collaborativeUpdateIterationCount).toBeDefined()
+      expect(mockCollaborativeUpdates.collaborativeUpdateIterationCollection).toBeDefined()
+    })
+
+    it.concurrent('should call correct function for loop type updates', () => {
+      const handleTypeChange = (newType: string, iterationType: string, nodeId: string) => {
+        if (iterationType === 'loop') {
+          mockCollaborativeUpdates.collaborativeUpdateLoopType(nodeId, newType)
+        } else {
+          mockCollaborativeUpdates.collaborativeUpdateParallelType(nodeId, newType)
+        }
+      }
+
+      handleTypeChange('forEach', 'loop', 'test-node')
+      expect(mockCollaborativeUpdates.collaborativeUpdateLoopType).toHaveBeenCalledWith(
+        'test-node',
+        'forEach'
+      )
+    })
+
+    it.concurrent('should call correct function for parallel type updates', () => {
+      const handleTypeChange = (newType: string, iterationType: string, nodeId: string) => {
+        if (iterationType === 'loop') {
+          mockCollaborativeUpdates.collaborativeUpdateLoopType(nodeId, newType)
+        } else {
+          mockCollaborativeUpdates.collaborativeUpdateParallelType(nodeId, newType)
+        }
+      }
+
+      handleTypeChange('collection', 'parallel', 'test-node')
+      expect(mockCollaborativeUpdates.collaborativeUpdateParallelType).toHaveBeenCalledWith(
+        'test-node',
+        'collection'
+      )
+    })
+  })
+
+  describe('Input Sanitization', () => {
+    it.concurrent('should sanitize numeric input by removing non-digits', () => {
+      const testInput = 'abc123def456'
+      const sanitized = testInput.replace(/[^0-9]/g, '')
+      expect(sanitized).toBe('123456')
+    })
+
+    it.concurrent('should handle empty input', () => {
+      const testInput = ''
+      const sanitized = testInput.replace(/[^0-9]/g, '')
+      expect(sanitized).toBe('')
+    })
+
+    it.concurrent('should preserve valid numeric input', () => {
+      const testInput = '42'
+      const sanitized = testInput.replace(/[^0-9]/g, '')
+      expect(sanitized).toBe('42')
+    })
+  })
+})

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/loop/loop-node.test.tsx

@@ -1,452 +0,0 @@
-import { beforeEach, describe, expect, it, vi } from 'vitest'
-import { LoopNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/loop/loop-node'
-import { useWorkflowStore } from '@/stores/workflows/workflow/store'
-
-vi.mock('@/stores/workflows/workflow/store', () => ({
-  useWorkflowStore: vi.fn(),
-}))
-
-vi.mock('@/lib/logs/logger', () => ({
-  createLogger: vi.fn(() => ({
-    debug: vi.fn(),
-    info: vi.fn(),
-    warn: vi.fn(),
-    error: vi.fn(),
-  })),
-}))
-
-vi.mock('reactflow', () => ({
-  Handle: ({ id, type, position }: any) => ({ id, type, position }),
-  Position: {
-    Top: 'top',
-    Bottom: 'bottom',
-    Left: 'left',
-    Right: 'right',
-  },
-  useReactFlow: () => ({
-    getNodes: vi.fn(() => []),
-  }),
-  NodeResizer: ({ isVisible }: any) => ({ isVisible }),
-  memo: (component: any) => component,
-}))
-
-vi.mock('react', async () => {
-  const actual = await vi.importActual('react')
-  return {
-    ...actual,
-    memo: (component: any) => component,
-    useMemo: (fn: any) => fn(),
-    useRef: () => ({ current: null }),
-  }
-})
-
-vi.mock('@/components/ui/button', () => ({
-  Button: ({ children, onClick, ...props }: any) => ({ children, onClick, ...props }),
-}))
-
-vi.mock('@/components/ui/card', () => ({
-  Card: ({ children, ...props }: any) => ({ children, ...props }),
-}))
-
-vi.mock('@/components/icons', async (importOriginal) => {
-  const actual = (await importOriginal()) as any
-  return {
-    ...actual,
-    // Override specific icons if needed for testing
-    StartIcon: ({ className }: any) => ({ className }),
-  }
-})
-
-vi.mock('@/lib/utils', () => ({
-  cn: (...classes: any[]) => classes.filter(Boolean).join(' '),
-}))
-
-vi.mock('@/app/workspace/[workspaceId]/w/[workflowId]/components/loop-badges', () => ({
-  LoopBadges: ({ loopId }: any) => ({ loopId }),
-}))
-
-describe('LoopNodeComponent', () => {
-  const mockRemoveBlock = vi.fn()
-  const mockGetNodes = vi.fn()
-  const defaultProps = {
-    id: 'loop-1',
-    type: 'loopNode',
-    data: {
-      width: 500,
-      height: 300,
-      state: 'valid',
-    },
-    selected: false,
-    zIndex: 1,
-    isConnectable: true,
-    xPos: 0,
-    yPos: 0,
-    dragging: false,
-  }
-
-  beforeEach(() => {
-    vi.clearAllMocks()
-
-    ;(useWorkflowStore as any).mockImplementation((selector: any) => {
-      const state = {
-        removeBlock: mockRemoveBlock,
-      }
-      return selector(state)
-    })
-
-    mockGetNodes.mockReturnValue([])
-  })
-
-  describe('Component Definition and Structure', () => {
-    it('should be defined as a function component', () => {
-      expect(LoopNodeComponent).toBeDefined()
-      expect(typeof LoopNodeComponent).toBe('function')
-    })
-
-    it('should have correct display name', () => {
-      expect(LoopNodeComponent.displayName).toBe('LoopNodeComponent')
-    })
-
-    it('should be a memoized component', () => {
-      expect(LoopNodeComponent).toBeDefined()
-    })
-  })
-
-  describe('Props Validation and Type Safety', () => {
-    it('should accept NodeProps interface', () => {
-      const validProps = {
-        id: 'test-id',
-        type: 'loopNode' as const,
-        data: {
-          width: 400,
-          height: 300,
-          state: 'valid' as const,
-        },
-        selected: false,
-        zIndex: 1,
-        isConnectable: true,
-        xPos: 0,
-        yPos: 0,
-        dragging: false,
-      }
-
-      expect(() => {
-        const _component: typeof LoopNodeComponent = LoopNodeComponent
-        expect(_component).toBeDefined()
-      }).not.toThrow()
-    })
-
-    it('should handle different data configurations', () => {
-      const configurations = [
-        { width: 500, height: 300, state: 'valid' },
-        { width: 800, height: 600, state: 'invalid' },
-        { width: 0, height: 0, state: 'pending' },
-        {},
-      ]
-
-      configurations.forEach((data) => {
-        const props = { ...defaultProps, data }
-        expect(() => {
-          const _component: typeof LoopNodeComponent = LoopNodeComponent
-          expect(_component).toBeDefined()
-        }).not.toThrow()
-      })
-    })
-  })
-
-  describe('Store Integration', () => {
-    it('should integrate with workflow store', () => {
-      expect(useWorkflowStore).toBeDefined()
-
-      const mockState = { removeBlock: mockRemoveBlock }
-      const selector = vi.fn((state) => state.removeBlock)
-
-      expect(() => {
-        selector(mockState)
-      }).not.toThrow()
-
-      expect(selector(mockState)).toBe(mockRemoveBlock)
-    })
-
-    it('should handle removeBlock function', () => {
-      expect(mockRemoveBlock).toBeDefined()
-      expect(typeof mockRemoveBlock).toBe('function')
-
-      mockRemoveBlock('test-id')
-      expect(mockRemoveBlock).toHaveBeenCalledWith('test-id')
-    })
-  })
-
-  describe('Component Logic Tests', () => {
-    it('should handle nesting level calculation logic', () => {
-      const testCases = [
-        { nodes: [], parentId: undefined, expectedLevel: 0 },
-        { nodes: [{ id: 'parent', data: {} }], parentId: 'parent', expectedLevel: 1 },
-        {
-          nodes: [
-            { id: 'parent', data: { parentId: 'grandparent' } },
-            { id: 'grandparent', data: {} },
-          ],
-          parentId: 'parent',
-          expectedLevel: 2,
-        },
-      ]
-
-      testCases.forEach(({ nodes, parentId, expectedLevel }) => {
-        mockGetNodes.mockReturnValue(nodes)
-
-        // Simulate the nesting level calculation logic
-        let level = 0
-        let currentParentId = parentId
-
-        while (currentParentId) {
-          level++
-          const parentNode = nodes.find((n) => n.id === currentParentId)
-          if (!parentNode) break
-          currentParentId = parentNode.data?.parentId
-        }
-
-        expect(level).toBe(expectedLevel)
-      })
-    })
-
-    it('should handle nested styles generation', () => {
-      // Test the nested styles logic
-      const testCases = [
-        { nestingLevel: 0, state: 'valid', expectedBg: 'rgba(34,197,94,0.05)' },
-        { nestingLevel: 0, state: 'invalid', expectedBg: 'transparent' },
-        { nestingLevel: 1, state: 'valid', expectedBg: '#e2e8f030' },
-        { nestingLevel: 2, state: 'valid', expectedBg: '#cbd5e130' },
-      ]
-
-      testCases.forEach(({ nestingLevel, state, expectedBg }) => {
-        // Simulate the getNestedStyles logic
-        const styles: Record<string, string> = {
-          backgroundColor: state === 'valid' ? 'rgba(34,197,94,0.05)' : 'transparent',
-        }
-
-        if (nestingLevel > 0) {
-          const colors = ['#e2e8f0', '#cbd5e1', '#94a3b8', '#64748b', '#475569']
-          const colorIndex = (nestingLevel - 1) % colors.length
-          styles.backgroundColor = `${colors[colorIndex]}30`
-        }
-
-        expect(styles.backgroundColor).toBe(expectedBg)
-      })
-    })
-  })
-
-  describe('Component Configuration', () => {
-    it('should handle different dimensions', () => {
-      const dimensionTests = [
-        { width: 500, height: 300 },
-        { width: 800, height: 600 },
-        { width: 0, height: 0 },
-        { width: 10000, height: 10000 },
-      ]
-
-      dimensionTests.forEach(({ width, height }) => {
-        const data = { width, height, state: 'valid' }
-        expect(data.width).toBe(width)
-        expect(data.height).toBe(height)
-      })
-    })
-
-    it('should handle different states', () => {
-      const stateTests = ['valid', 'invalid', 'pending', 'executing']
-
-      stateTests.forEach((state) => {
-        const data = { width: 500, height: 300, state }
-        expect(data.state).toBe(state)
-      })
-    })
-  })
-
-  describe('Event Handling Logic', () => {
-    it('should handle delete button click logic', () => {
-      const mockEvent = {
-        stopPropagation: vi.fn(),
-      }
-
-      // Simulate the delete button click handler
-      const handleDelete = (e: any, nodeId: string) => {
-        e.stopPropagation()
-        mockRemoveBlock(nodeId)
-      }
-
-      handleDelete(mockEvent, 'test-id')
-
-      expect(mockEvent.stopPropagation).toHaveBeenCalled()
-      expect(mockRemoveBlock).toHaveBeenCalledWith('test-id')
-    })
-
-    it('should handle event propagation prevention', () => {
-      const mockEvent = {
-        stopPropagation: vi.fn(),
-      }
-
-      // Test that stopPropagation is called
-      mockEvent.stopPropagation()
-      expect(mockEvent.stopPropagation).toHaveBeenCalled()
-    })
-  })
-
-  describe('Component Data Handling', () => {
-    it('should handle missing data properties gracefully', () => {
-      const testCases = [
-        undefined,
-        {},
-        { width: 500 },
-        { height: 300 },
-        { state: 'valid' },
-        { width: 500, height: 300 },
-      ]
-
-      testCases.forEach((data) => {
-        const props = { ...defaultProps, data }
-
-        // Test default values logic
-        const width = Math.max(0, data?.width || 500)
-        const height = Math.max(0, data?.height || 300)
-
-        expect(width).toBeGreaterThanOrEqual(0)
-        expect(height).toBeGreaterThanOrEqual(0)
-      })
-    })
-
-    it('should handle parent ID relationships', () => {
-      const testCases = [
-        { parentId: undefined, hasParent: false },
-        { parentId: 'parent-1', hasParent: true },
-        { parentId: '', hasParent: false },
-      ]
-
-      testCases.forEach(({ parentId, hasParent }) => {
-        const data = { ...defaultProps.data, parentId }
-        expect(Boolean(data.parentId)).toBe(hasParent)
-      })
-    })
-  })
-
-  describe('Edge Cases and Error Handling', () => {
-    it('should handle circular parent references', () => {
-      // Test circular reference prevention
-      const nodes = [
-        { id: 'node1', data: { parentId: 'node2' } },
-        { id: 'node2', data: { parentId: 'node1' } },
-      ]
-
-      mockGetNodes.mockReturnValue(nodes)
-
-      // Test the actual component's nesting level calculation logic
-      // This simulates the real useMemo logic from the component
-      let level = 0
-      let currentParentId = 'node1'
-      const visited = new Set<string>()
-
-      // This is the actual logic pattern used in the component
-      while (currentParentId) {
-        // If we've seen this parent before, we have a cycle - break immediately
-        if (visited.has(currentParentId)) {
-          break
-        }
-
-        visited.add(currentParentId)
-        level++
-
-        const parentNode = nodes.find((n) => n.id === currentParentId)
-        if (!parentNode) break
-
-        currentParentId = parentNode.data?.parentId
-      }
-
-      // With proper circular reference detection, we should stop at level 2
-      // (node1 -> node2, then detect cycle when trying to go back to node1)
-      expect(level).toBe(2)
-      expect(visited.has('node1')).toBe(true)
-      expect(visited.has('node2')).toBe(true)
-    })
-
-    it('should handle complex circular reference chains', () => {
-      // Test more complex circular reference scenarios
-      const nodes = [
-        { id: 'node1', data: { parentId: 'node2' } },
-        { id: 'node2', data: { parentId: 'node3' } },
-        { id: 'node3', data: { parentId: 'node1' } }, // Creates a 3-node cycle
-      ]
-
-      mockGetNodes.mockReturnValue(nodes)
-
-      let level = 0
-      let currentParentId = 'node1'
-      const visited = new Set<string>()
-
-      while (currentParentId) {
-        if (visited.has(currentParentId)) {
-          break // Cycle detected
-        }
-
-        visited.add(currentParentId)
-        level++
-
-        const parentNode = nodes.find((n) => n.id === currentParentId)
-        if (!parentNode) break
-
-        currentParentId = parentNode.data?.parentId
-      }
-
-      // Should traverse node1 -> node2 -> node3, then detect cycle
-      expect(level).toBe(3)
-      expect(visited.size).toBe(3)
-    })
-
-    it('should handle self-referencing nodes', () => {
-      // Test node that references itself
-      const nodes = [
-        { id: 'node1', data: { parentId: 'node1' } }, // Self-reference
-      ]
-
-      mockGetNodes.mockReturnValue(nodes)
-
-      let level = 0
-      let currentParentId = 'node1'
-      const visited = new Set<string>()
-
-      while (currentParentId) {
-        if (visited.has(currentParentId)) {
-          break // Cycle detected immediately
-        }
-
-        visited.add(currentParentId)
-        level++
-
-        const parentNode = nodes.find((n) => n.id === currentParentId)
-        if (!parentNode) break
-
-        currentParentId = parentNode.data?.parentId
-      }
-
-      // Should detect self-reference immediately after first iteration
-      expect(level).toBe(1)
-      expect(visited.has('node1')).toBe(true)
-    })
-
-    it('should handle extreme values', () => {
-      const extremeValues = [
-        { width: Number.MAX_SAFE_INTEGER, height: Number.MAX_SAFE_INTEGER },
-        { width: -1, height: -1 },
-        { width: 0, height: 0 },
-        { width: null, height: null },
-      ]
-
-      extremeValues.forEach((data) => {
-        expect(() => {
-          const width = data.width || 500
-          const height = data.height || 300
-          expect(typeof width).toBe('number')
-          expect(typeof height).toBe('number')
-        }).not.toThrow()
-      })
-    })
-  })
-})

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/parallel/parallel-node.test.tsx

@@ -1,585 +0,0 @@
-import { beforeEach, describe, expect, it, vi } from 'vitest'
-import { ParallelNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/parallel/parallel-node'
-import { useWorkflowStore } from '@/stores/workflows/workflow/store'
-
-vi.mock('@/stores/workflows/workflow/store', () => ({
-  useWorkflowStore: vi.fn(),
-}))
-
-vi.mock('@/lib/logs/logger', () => ({
-  createLogger: vi.fn(() => ({
-    debug: vi.fn(),
-    info: vi.fn(),
-    warn: vi.fn(),
-    error: vi.fn(),
-  })),
-}))
-
-vi.mock('reactflow', () => ({
-  Handle: ({ id, type, position }: any) => ({ id, type, position }),
-  Position: {
-    Top: 'top',
-    Bottom: 'bottom',
-    Left: 'left',
-    Right: 'right',
-  },
-  useReactFlow: () => ({
-    getNodes: vi.fn(() => []),
-  }),
-  NodeResizer: ({ isVisible }: any) => ({ isVisible }),
-  memo: (component: any) => component,
-}))
-
-vi.mock('react', async () => {
-  const actual = await vi.importActual('react')
-  return {
-    ...actual,
-    memo: (component: any) => component,
-    useMemo: (fn: any) => fn(),
-    useRef: () => ({ current: null }),
-  }
-})
-
-vi.mock('@/components/ui/button', () => ({
-  Button: ({ children, onClick, ...props }: any) => ({ children, onClick, ...props }),
-}))
-
-vi.mock('@/components/ui/card', () => ({
-  Card: ({ children, ...props }: any) => ({ children, ...props }),
-}))
-
-vi.mock('@/blocks/registry', () => ({
-  getBlock: vi.fn(() => ({
-    name: 'Mock Block',
-    description: 'Mock block description',
-    icon: () => null,
-    subBlocks: [],
-    outputs: {},
-  })),
-  getAllBlocks: vi.fn(() => ({})),
-}))
-
-vi.mock('@/lib/utils', () => ({
-  cn: (...classes: any[]) => classes.filter(Boolean).join(' '),
-}))
-
-vi.mock(
-  '@/app/workspace/[workspaceId]/w/[workflowId]/components/parallel-node/components/parallel-badges',
-  () => ({
-    ParallelBadges: ({ parallelId }: any) => ({ parallelId }),
-  })
-)
-
-describe('ParallelNodeComponent', () => {
-  const mockRemoveBlock = vi.fn()
-  const mockGetNodes = vi.fn()
-  const defaultProps = {
-    id: 'parallel-1',
-    type: 'parallelNode',
-    data: {
-      width: 500,
-      height: 300,
-      state: 'valid',
-    },
-    selected: false,
-    zIndex: 1,
-    isConnectable: true,
-    xPos: 0,
-    yPos: 0,
-    dragging: false,
-  }
-
-  beforeEach(() => {
-    vi.clearAllMocks()
-
-    ;(useWorkflowStore as any).mockImplementation((selector: any) => {
-      const state = {
-        removeBlock: mockRemoveBlock,
-      }
-      return selector(state)
-    })
-
-    mockGetNodes.mockReturnValue([])
-  })
-
-  describe('Component Definition and Structure', () => {
-    it.concurrent('should be defined as a function component', () => {
-      expect(ParallelNodeComponent).toBeDefined()
-      expect(typeof ParallelNodeComponent).toBe('function')
-    })
-
-    it.concurrent('should have correct display name', () => {
-      expect(ParallelNodeComponent.displayName).toBe('ParallelNodeComponent')
-    })
-
-    it.concurrent('should be a memoized component', () => {
-      expect(ParallelNodeComponent).toBeDefined()
-    })
-  })
-
-  describe('Props Validation and Type Safety', () => {
-    it.concurrent('should accept NodeProps interface', () => {
-      expect(() => {
-        const _component: typeof ParallelNodeComponent = ParallelNodeComponent
-        expect(_component).toBeDefined()
-      }).not.toThrow()
-    })
-
-    it.concurrent('should handle different data configurations', () => {
-      const configurations = [
-        { width: 500, height: 300, state: 'valid' },
-        { width: 800, height: 600, state: 'invalid' },
-        { width: 0, height: 0, state: 'pending' },
-        {},
-      ]
-
-      configurations.forEach((data) => {
-        const props = { ...defaultProps, data }
-        expect(() => {
-          const _component: typeof ParallelNodeComponent = ParallelNodeComponent
-          expect(_component).toBeDefined()
-        }).not.toThrow()
-      })
-    })
-  })
-
-  describe('Store Integration', () => {
-    it.concurrent('should integrate with workflow store', () => {
-      expect(useWorkflowStore).toBeDefined()
-
-      const mockState = { removeBlock: mockRemoveBlock }
-      const selector = vi.fn((state) => state.removeBlock)
-
-      expect(() => {
-        selector(mockState)
-      }).not.toThrow()
-
-      expect(selector(mockState)).toBe(mockRemoveBlock)
-    })
-
-    it.concurrent('should handle removeBlock function', () => {
-      expect(mockRemoveBlock).toBeDefined()
-      expect(typeof mockRemoveBlock).toBe('function')
-
-      mockRemoveBlock('test-id')
-      expect(mockRemoveBlock).toHaveBeenCalledWith('test-id')
-    })
-  })
-
-  describe('Component Logic Tests', () => {
-    it.concurrent('should handle nesting level calculation logic', () => {
-      const testCases = [
-        { nodes: [], parentId: undefined, expectedLevel: 0 },
-        { nodes: [{ id: 'parent', data: {} }], parentId: 'parent', expectedLevel: 1 },
-        {
-          nodes: [
-            { id: 'parent', data: { parentId: 'grandparent' } },
-            { id: 'grandparent', data: {} },
-          ],
-          parentId: 'parent',
-          expectedLevel: 2,
-        },
-      ]
-
-      testCases.forEach(({ nodes, parentId, expectedLevel }) => {
-        mockGetNodes.mockReturnValue(nodes)
-
-        let level = 0
-        let currentParentId = parentId
-
-        while (currentParentId) {
-          level++
-          const parentNode = nodes.find((n) => n.id === currentParentId)
-          if (!parentNode) break
-          currentParentId = parentNode.data?.parentId
-        }
-
-        expect(level).toBe(expectedLevel)
-      })
-    })
-
-    it.concurrent('should handle nested styles generation for parallel nodes', () => {
-      const testCases = [
-        { nestingLevel: 0, state: 'valid', expectedBg: 'rgba(254,225,43,0.05)' },
-        { nestingLevel: 0, state: 'invalid', expectedBg: 'transparent' },
-        { nestingLevel: 1, state: 'valid', expectedBg: '#e2e8f030' },
-        { nestingLevel: 2, state: 'valid', expectedBg: '#cbd5e130' },
-      ]
-
-      testCases.forEach(({ nestingLevel, state, expectedBg }) => {
-        const styles: Record<string, string> = {
-          backgroundColor: state === 'valid' ? 'rgba(254,225,43,0.05)' : 'transparent',
-        }
-
-        if (nestingLevel > 0) {
-          const colors = ['#e2e8f0', '#cbd5e1', '#94a3b8', '#64748b', '#475569']
-          const colorIndex = (nestingLevel - 1) % colors.length
-          styles.backgroundColor = `${colors[colorIndex]}30`
-        }
-
-        expect(styles.backgroundColor).toBe(expectedBg)
-      })
-    })
-  })
-
-  describe('Parallel-Specific Features', () => {
-    it.concurrent('should handle parallel execution states', () => {
-      const parallelStates = ['valid', 'invalid', 'executing', 'completed', 'pending']
-
-      parallelStates.forEach((state) => {
-        const data = { width: 500, height: 300, state }
-        expect(data.state).toBe(state)
-
-        const isExecuting = state === 'executing'
-        const isCompleted = state === 'completed'
-
-        expect(typeof isExecuting).toBe('boolean')
-        expect(typeof isCompleted).toBe('boolean')
-      })
-    })
-
-    it.concurrent('should handle parallel node color scheme', () => {
-      const parallelColors = {
-        background: 'rgba(254,225,43,0.05)',
-        ring: '#FEE12B',
-        startIcon: '#FEE12B',
-      }
-
-      expect(parallelColors.background).toContain('254,225,43')
-      expect(parallelColors.ring).toBe('#FEE12B')
-      expect(parallelColors.startIcon).toBe('#FEE12B')
-    })
-
-    it.concurrent('should differentiate from loop node styling', () => {
-      const loopColors = {
-        background: 'rgba(34,197,94,0.05)',
-        ring: '#2FB3FF',
-        startIcon: '#2FB3FF',
-      }
-
-      const parallelColors = {
-        background: 'rgba(254,225,43,0.05)',
-        ring: '#FEE12B',
-        startIcon: '#FEE12B',
-      }
-
-      expect(parallelColors.background).not.toBe(loopColors.background)
-      expect(parallelColors.ring).not.toBe(loopColors.ring)
-      expect(parallelColors.startIcon).not.toBe(loopColors.startIcon)
-    })
-  })
-
-  describe('Component Configuration', () => {
-    it.concurrent('should handle different dimensions', () => {
-      const dimensionTests = [
-        { width: 500, height: 300 },
-        { width: 800, height: 600 },
-        { width: 0, height: 0 },
-        { width: 10000, height: 10000 },
-      ]
-
-      dimensionTests.forEach(({ width, height }) => {
-        const data = { width, height, state: 'valid' }
-        expect(data.width).toBe(width)
-        expect(data.height).toBe(height)
-      })
-    })
-
-    it.concurrent('should handle different states', () => {
-      const stateTests = ['valid', 'invalid', 'pending', 'executing', 'completed']
-
-      stateTests.forEach((state) => {
-        const data = { width: 500, height: 300, state }
-        expect(data.state).toBe(state)
-      })
-    })
-  })
-
-  describe('Event Handling Logic', () => {
-    it.concurrent('should handle delete button click logic', () => {
-      const mockEvent = {
-        stopPropagation: vi.fn(),
-      }
-
-      const handleDelete = (e: any, nodeId: string) => {
-        e.stopPropagation()
-        mockRemoveBlock(nodeId)
-      }
-
-      handleDelete(mockEvent, 'test-id')
-
-      expect(mockEvent.stopPropagation).toHaveBeenCalled()
-      expect(mockRemoveBlock).toHaveBeenCalledWith('test-id')
-    })
-
-    it.concurrent('should handle event propagation prevention', () => {
-      const mockEvent = {
-        stopPropagation: vi.fn(),
-      }
-
-      mockEvent.stopPropagation()
-      expect(mockEvent.stopPropagation).toHaveBeenCalled()
-    })
-  })
-
-  describe('Component Data Handling', () => {
-    it.concurrent('should handle missing data properties gracefully', () => {
-      const testCases = [
-        undefined,
-        {},
-        { width: 500 },
-        { height: 300 },
-        { state: 'valid' },
-        { width: 500, height: 300 },
-      ]
-
-      testCases.forEach((data) => {
-        const props = { ...defaultProps, data }
-
-        // Test default values logic
-        const width = data?.width || 500
-        const height = data?.height || 300
-
-        expect(width).toBeGreaterThanOrEqual(0)
-        expect(height).toBeGreaterThanOrEqual(0)
-      })
-    })
-
-    it.concurrent('should handle parent ID relationships', () => {
-      const testCases = [
-        { parentId: undefined, hasParent: false },
-        { parentId: 'parent-1', hasParent: true },
-        { parentId: '', hasParent: false },
-      ]
-
-      testCases.forEach(({ parentId, hasParent }) => {
-        const data = { ...defaultProps.data, parentId }
-        expect(Boolean(data.parentId)).toBe(hasParent)
-      })
-    })
-  })
-
-  describe('Handle Configuration', () => {
-    it.concurrent('should have correct handle IDs for parallel nodes', () => {
-      const handleIds = {
-        startSource: 'parallel-start-source',
-        endSource: 'parallel-end-source',
-      }
-
-      expect(handleIds.startSource).toContain('parallel')
-      expect(handleIds.endSource).toContain('parallel')
-      expect(handleIds.startSource).not.toContain('loop')
-      expect(handleIds.endSource).not.toContain('loop')
-    })
-
-    it.concurrent('should handle different handle positions', () => {
-      const positions = {
-        left: 'left',
-        right: 'right',
-        top: 'top',
-        bottom: 'bottom',
-      }
-
-      Object.values(positions).forEach((position) => {
-        expect(typeof position).toBe('string')
-        expect(position.length).toBeGreaterThan(0)
-      })
-    })
-  })
-
-  describe('Edge Cases and Error Handling', () => {
-    it.concurrent('should handle circular parent references', () => {
-      // Test circular reference prevention
-      const nodes = [
-        { id: 'node1', data: { parentId: 'node2' } },
-        { id: 'node2', data: { parentId: 'node1' } },
-      ]
-
-      mockGetNodes.mockReturnValue(nodes)
-
-      // Test the actual component's nesting level calculation logic
-      // This simulates the real useMemo logic from the component
-      let level = 0
-      let currentParentId = 'node1'
-      const visited = new Set<string>()
-
-      // This is the actual logic pattern used in the component
-      while (currentParentId) {
-        // If we've seen this parent before, we have a cycle - break immediately
-        if (visited.has(currentParentId)) {
-          break
-        }
-
-        visited.add(currentParentId)
-        level++
-
-        const parentNode = nodes.find((n) => n.id === currentParentId)
-        if (!parentNode) break
-
-        currentParentId = parentNode.data?.parentId
-      }
-
-      // With proper circular reference detection, we should stop at level 2
-      // (node1 -> node2, then detect cycle when trying to go back to node1)
-      expect(level).toBe(2)
-      expect(visited.has('node1')).toBe(true)
-      expect(visited.has('node2')).toBe(true)
-    })
-
-    it.concurrent('should handle complex circular reference chains', () => {
-      // Test more complex circular reference scenarios
-      const nodes = [
-        { id: 'node1', data: { parentId: 'node2' } },
-        { id: 'node2', data: { parentId: 'node3' } },
-        { id: 'node3', data: { parentId: 'node1' } }, // Creates a 3-node cycle
-      ]
-
-      mockGetNodes.mockReturnValue(nodes)
-
-      let level = 0
-      let currentParentId = 'node1'
-      const visited = new Set<string>()
-
-      while (currentParentId) {
-        if (visited.has(currentParentId)) {
-          break // Cycle detected
-        }
-
-        visited.add(currentParentId)
-        level++
-
-        const parentNode = nodes.find((n) => n.id === currentParentId)
-        if (!parentNode) break
-
-        currentParentId = parentNode.data?.parentId
-      }
-
-      // Should traverse node1 -> node2 -> node3, then detect cycle
-      expect(level).toBe(3)
-      expect(visited.size).toBe(3)
-    })
-
-    it.concurrent('should handle self-referencing nodes', () => {
-      // Test node that references itself
-      const nodes = [
-        { id: 'node1', data: { parentId: 'node1' } }, // Self-reference
-      ]
-
-      mockGetNodes.mockReturnValue(nodes)
-
-      let level = 0
-      let currentParentId = 'node1'
-      const visited = new Set<string>()
-
-      while (currentParentId) {
-        if (visited.has(currentParentId)) {
-          break // Cycle detected immediately
-        }
-
-        visited.add(currentParentId)
-        level++
-
-        const parentNode = nodes.find((n) => n.id === currentParentId)
-        if (!parentNode) break
-
-        currentParentId = parentNode.data?.parentId
-      }
-
-      // Should detect self-reference immediately after first iteration
-      expect(level).toBe(1)
-      expect(visited.has('node1')).toBe(true)
-    })
-
-    it.concurrent('should handle extreme values', () => {
-      const extremeValues = [
-        { width: Number.MAX_SAFE_INTEGER, height: Number.MAX_SAFE_INTEGER },
-        { width: -1, height: -1 },
-        { width: 0, height: 0 },
-        { width: null, height: null },
-      ]
-
-      extremeValues.forEach((data) => {
-        expect(() => {
-          const width = data.width || 500
-          const height = data.height || 300
-          expect(typeof width).toBe('number')
-          expect(typeof height).toBe('number')
-        }).not.toThrow()
-      })
-    })
-
-    it.concurrent('should handle negative position values', () => {
-      const positions = [
-        { xPos: -100, yPos: -200 },
-        { xPos: 0, yPos: 0 },
-        { xPos: 1000, yPos: 2000 },
-      ]
-
-      positions.forEach(({ xPos, yPos }) => {
-        const props = { ...defaultProps, xPos, yPos }
-        expect(props.xPos).toBe(xPos)
-        expect(props.yPos).toBe(yPos)
-        expect(typeof props.xPos).toBe('number')
-        expect(typeof props.yPos).toBe('number')
-      })
-    })
-  })
-
-  describe('Component Comparison with Loop Node', () => {
-    it.concurrent('should have similar structure to loop node but different type', () => {
-      expect(defaultProps.type).toBe('parallelNode')
-      expect(defaultProps.id).toContain('parallel')
-
-      // Should not be a loop node
-      expect(defaultProps.type).not.toBe('loopNode')
-      expect(defaultProps.id).not.toContain('loop')
-    })
-
-    it.concurrent('should handle the same prop structure as loop node', () => {
-      // Test that parallel node accepts the same prop structure as loop node
-      const sharedPropStructure = {
-        id: 'test-parallel',
-        type: 'parallelNode' as const,
-        data: {
-          width: 400,
-          height: 300,
-          state: 'valid' as const,
-        },
-        selected: false,
-        zIndex: 1,
-        isConnectable: true,
-        xPos: 0,
-        yPos: 0,
-        dragging: false,
-      }
-
-      expect(() => {
-        const _component: typeof ParallelNodeComponent = ParallelNodeComponent
-        expect(_component).toBeDefined()
-      }).not.toThrow()
-
-      // Verify the structure
-      expect(sharedPropStructure.type).toBe('parallelNode')
-      expect(sharedPropStructure.data.width).toBe(400)
-      expect(sharedPropStructure.data.height).toBe(300)
-    })
-
-    it.concurrent('should maintain consistency with loop node interface', () => {
-      const baseProps = [
-        'id',
-        'type',
-        'data',
-        'selected',
-        'zIndex',
-        'isConnectable',
-        'xPos',
-        'yPos',
-        'dragging',
-      ]
-
-      baseProps.forEach((prop) => {
-        expect(defaultProps).toHaveProperty(prop)
-      })
-    })
-  })
-})

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/parallel/parallel-node.tsx

@@ -1,273 +0,0 @@
-import type React from 'react'
-import { memo, useMemo, useRef } from 'react'
-import { Trash2 } from 'lucide-react'
-import { Handle, type NodeProps, Position, useReactFlow } from 'reactflow'
-import { StartIcon } from '@/components/icons'
-import { Button } from '@/components/ui/button'
-import { Card } from '@/components/ui/card'
-import { cn } from '@/lib/utils'
-import { IterationBadges } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/components/iteration-badges/iteration-badges'
-import { useCurrentWorkflow } from '@/app/workspace/[workspaceId]/w/[workflowId]/hooks'
-import { useCollaborativeWorkflow } from '@/hooks/use-collaborative-workflow'
-
-const ParallelNodeStyles: React.FC = () => {
-  return (
-    <style jsx global>{`
-      @keyframes parallel-node-pulse {
-        0% {
-          box-shadow: 0 0 0 0 rgba(139, 195, 74, 0.3);
-        }
-        70% {
-          box-shadow: 0 0 0 6px rgba(139, 195, 74, 0);
-        }
-        100% {
-          box-shadow: 0 0 0 0 rgba(139, 195, 74, 0);
-        }
-      }
-
-      .parallel-node-drag-over {
-        animation: parallel-node-pulse 1.2s cubic-bezier(0.4, 0, 0.6, 1)
-          infinite;
-        border-style: solid !important;
-        background-color: rgba(139, 195, 74, 0.08) !important;
-        box-shadow: 0 0 0 8px rgba(139, 195, 74, 0.1);
-      }
-
-      /* Make resizer handles more visible */
-      .react-flow__resize-control {
-        z-index: 10;
-        pointer-events: all !important;
-      }
-
-      /* Ensure parent borders are visible when hovering over resize controls */
-      .react-flow__node-group:hover,
-      .hover-highlight {
-        border-color: #1e293b !important;
-      }
-
-      /* Ensure hover effects work well */
-      .group-node-container:hover .react-flow__resize-control.bottom-right {
-        opacity: 1 !important;
-        visibility: visible !important;
-      }
-
-      /* React Flow position transitions within parallel blocks */
-      .react-flow__node[data-parent-node-id] {
-        transition: transform 0.05s ease;
-        pointer-events: all;
-      }
-
-      /* Prevent jumpy drag behavior */
-      .parallel-drop-container .react-flow__node {
-        transform-origin: center;
-        position: absolute;
-      }
-
-      /* Remove default border from React Flow group nodes */
-      .react-flow__node-group {
-        border: none;
-        background-color: transparent;
-        outline: none;
-        box-shadow: none;
-      }
-
-      /* Ensure child nodes stay within parent bounds */
-      .react-flow__node[data-parent-node-id] .react-flow__handle {
-        z-index: 30;
-      }
-
-      /* Enhanced drag detection */
-      .react-flow__node-group.dragging-over {
-        background-color: rgba(139, 195, 74, 0.05);
-        transition: all 0.2s ease-in-out;
-      }
-    `}</style>
-  )
-}
-
-export const ParallelNodeComponent = memo(({ data, selected, id }: NodeProps) => {
-  const { getNodes } = useReactFlow()
-  const { collaborativeRemoveBlock } = useCollaborativeWorkflow()
-  const blockRef = useRef<HTMLDivElement>(null)
-
-  // Use the clean abstraction for current workflow state
-  const currentWorkflow = useCurrentWorkflow()
-  const currentBlock = currentWorkflow.getBlockById(id)
-  const diffStatus =
-    currentWorkflow.isDiffMode && currentBlock ? (currentBlock as any).is_diff : undefined
-
-  // Check if this is preview mode
-  const isPreview = data?.isPreview || false
-
-  // Determine nesting level by counting parents
-  const nestingLevel = useMemo(() => {
-    const maxDepth = 100 // Prevent infinite loops
-    let level = 0
-    let currentParentId = data?.parentId
-
-    while (currentParentId && level < maxDepth) {
-      level++
-      const parentNode = getNodes().find((n) => n.id === currentParentId)
-      if (!parentNode) break
-      currentParentId = parentNode.data?.parentId
-    }
-
-    return level
-  }, [id, data?.parentId, getNodes])
-
-  // Generate different background styles based on nesting level
-  const getNestedStyles = () => {
-    // Base styles
-    const styles: Record<string, string> = {
-      backgroundColor: 'rgba(0, 0, 0, 0.02)',
-    }
-
-    // Apply nested styles
-    if (nestingLevel > 0) {
-      // Each nesting level gets a different color
-      const colors = ['#e2e8f0', '#cbd5e1', '#94a3b8', '#64748b', '#475569']
-      const colorIndex = (nestingLevel - 1) % colors.length
-
-      styles.backgroundColor = `${colors[colorIndex]}30` // Slightly more visible background
-    }
-
-    return styles
-  }
-
-  const nestedStyles = getNestedStyles()
-
-  return (
-    <>
-      <ParallelNodeStyles />
-      <div className='group relative'>
-        <Card
-          ref={blockRef}
-          className={cn(
-            'relative cursor-default select-none',
-            'transition-block-bg transition-ring',
-            'z-[20]',
-            data?.state === 'valid',
-            nestingLevel > 0 &&
-              `border border-[0.5px] ${nestingLevel % 2 === 0 ? 'border-slate-300/60' : 'border-slate-400/60'}`,
-            data?.hasNestedError && 'border-2 border-red-500 bg-red-50/50',
-            // Diff highlighting
-            diffStatus === 'new' && 'bg-green-50/50 ring-2 ring-green-500 dark:bg-green-900/10',
-            diffStatus === 'edited' &&
-              'bg-orange-50/50 ring-2 ring-orange-500 dark:bg-orange-900/10'
-          )}
-          style={{
-            width: data.width || 500,
-            height: data.height || 300,
-            position: 'relative',
-            overflow: 'visible',
-            ...nestedStyles,
-            pointerEvents: isPreview ? 'none' : 'all',
-          }}
-          data-node-id={id}
-          data-type='parallelNode'
-          data-nesting-level={nestingLevel}
-        >
-          {/* Critical drag handle that controls only the parallel node movement */}
-          {!isPreview && (
-            <div
-              className='workflow-drag-handle absolute top-0 right-0 left-0 z-10 h-10 cursor-move'
-              style={{ pointerEvents: 'auto' }}
-            />
-          )}
-
-          {/* Custom visible resize handle */}
-          {!isPreview && (
-            <div
-              className='absolute right-2 bottom-2 z-20 flex h-8 w-8 cursor-se-resize items-center justify-center text-muted-foreground'
-              style={{ pointerEvents: 'auto' }}
-            />
-          )}
-
-          {/* Child nodes container - Set pointerEvents to allow dragging of children */}
-          <div
-            className='h-[calc(100%-10px)] p-4'
-            data-dragarea='true'
-            style={{
-              position: 'relative',
-              minHeight: '100%',
-              pointerEvents: isPreview ? 'none' : 'auto',
-            }}
-          >
-            {/* Delete button - styled like in action-bar.tsx */}
-            {!isPreview && (
-              <Button
-                variant='ghost'
-                size='sm'
-                onClick={(e) => {
-                  e.stopPropagation()
-                  collaborativeRemoveBlock(id)
-                }}
-                className='absolute top-2 right-2 z-20 text-gray-500 opacity-0 transition-opacity duration-200 hover:text-red-600 group-hover:opacity-100'
-                style={{ pointerEvents: 'auto' }}
-              >
-                <Trash2 className='h-4 w-4' />
-              </Button>
-            )}
-
-            {/* Parallel Start Block */}
-            <div
-              className='-translate-y-1/2 absolute top-1/2 left-8 flex h-10 w-10 transform items-center justify-center rounded-md bg-[#FEE12B] p-2'
-              style={{ pointerEvents: isPreview ? 'none' : 'auto' }}
-              data-parent-id={id}
-              data-node-role='parallel-start'
-              data-extent='parent'
-            >
-              <StartIcon className='h-6 w-6 text-white' />
-
-              <Handle
-                type='source'
-                position={Position.Right}
-                id='parallel-start-source'
-                className='!w-[6px] !h-4 !bg-slate-300 dark:!bg-slate-500 !rounded-[2px] !border-none !z-[30] hover:!w-[10px] hover:!right-[-10px] hover:!rounded-r-full hover:!rounded-l-none !cursor-crosshair transition-[colors] duration-150'
-                style={{
-                  right: '-6px',
-                  top: '50%',
-                  transform: 'translateY(-50%)',
-                  pointerEvents: 'auto',
-                }}
-                data-parent-id={id}
-              />
-            </div>
-          </div>
-
-          {/* Input handle on left middle */}
-          <Handle
-            type='target'
-            position={Position.Left}
-            className='!w-[7px] !h-5 !bg-slate-300 dark:!bg-slate-500 !rounded-[2px] !border-none !z-[30] hover:!w-[10px] hover:!left-[-10px] hover:!rounded-l-full hover:!rounded-r-none !cursor-crosshair transition-[colors] duration-150'
-            style={{
-              left: '-7px',
-              top: '50%',
-              transform: 'translateY(-50%)',
-              pointerEvents: 'auto',
-            }}
-          />
-
-          {/* Output handle on right middle */}
-          <Handle
-            type='source'
-            position={Position.Right}
-            className='!w-[7px] !h-5 !bg-slate-300 dark:!bg-slate-500 !rounded-[2px] !border-none !z-[30] hover:!w-[10px] hover:!right-[-10px] hover:!rounded-r-full hover:!rounded-l-none !cursor-crosshair transition-[colors] duration-150'
-            style={{
-              right: '-7px',
-              top: '50%',
-              transform: 'translateY(-50%)',
-              pointerEvents: 'auto',
-            }}
-            id='parallel-end-source'
-          />
-
-          {/* Parallel Configuration Badges */}
-          <IterationBadges nodeId={id} data={data} iterationType='parallel' />
-        </Card>
-      </div>
-    </>
-  )
-})
-
-ParallelNodeComponent.displayName = 'ParallelNodeComponent'

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/subflow-node.test.tsx

@@ -0,0 +1,579 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { SubflowNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/subflow-node'
+
+// Shared spies used across mocks
+const mockRemoveBlock = vi.fn()
+const mockGetNodes = vi.fn()
+
+// Mocks
+vi.mock('@/hooks/use-collaborative-workflow', () => ({
+  useCollaborativeWorkflow: vi.fn(() => ({
+    collaborativeRemoveBlock: mockRemoveBlock,
+  })),
+}))
+
+vi.mock('@/lib/logs/console/logger', () => ({
+  createLogger: vi.fn(() => ({
+    debug: vi.fn(),
+    info: vi.fn(),
+    warn: vi.fn(),
+    error: vi.fn(),
+  })),
+}))
+
+vi.mock('reactflow', () => ({
+  Handle: ({ id, type, position }: any) => ({ id, type, position }),
+  Position: {
+    Top: 'top',
+    Bottom: 'bottom',
+    Left: 'left',
+    Right: 'right',
+  },
+  useReactFlow: () => ({
+    getNodes: mockGetNodes,
+  }),
+  memo: (component: any) => component,
+}))
+
+vi.mock('react', async () => {
+  const actual = await vi.importActual<any>('react')
+  return {
+    ...actual,
+    memo: (component: any) => component,
+    useMemo: (fn: any) => fn(),
+    useRef: () => ({ current: null }),
+  }
+})
+
+vi.mock('@/components/ui/button', () => ({
+  Button: ({ children, onClick, ...props }: any) => ({ children, onClick, ...props }),
+}))
+
+vi.mock('@/components/ui/card', () => ({
+  Card: ({ children, ...props }: any) => ({ children, ...props }),
+}))
+
+vi.mock('@/components/icons', async (importOriginal) => {
+  const actual = (await importOriginal()) as any
+  return {
+    ...actual,
+    StartIcon: ({ className }: any) => ({ className }),
+  }
+})
+
+vi.mock('@/lib/utils', () => ({
+  cn: (...classes: any[]) => classes.filter(Boolean).join(' '),
+}))
+
+vi.mock(
+  '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/components/iteration-badges/iteration-badges',
+  () => ({
+    IterationBadges: ({ nodeId, iterationType }: any) => ({ nodeId, iterationType }),
+  })
+)
+
+describe('SubflowNodeComponent', () => {
+  const defaultProps = {
+    id: 'subflow-1',
+    type: 'subflowNode',
+    data: {
+      width: 500,
+      height: 300,
+      isPreview: false,
+      kind: 'loop' as const,
+    },
+    selected: false,
+    zIndex: 1,
+    isConnectable: true,
+    xPos: 0,
+    yPos: 0,
+    dragging: false,
+  }
+
+  beforeEach(() => {
+    vi.clearAllMocks()
+    mockGetNodes.mockReturnValue([])
+  })
+
+  describe('Component Definition and Structure', () => {
+    it.concurrent('should be defined as a function component', () => {
+      expect(SubflowNodeComponent).toBeDefined()
+      expect(typeof SubflowNodeComponent).toBe('function')
+    })
+
+    it.concurrent('should have correct display name', () => {
+      expect(SubflowNodeComponent.displayName).toBe('SubflowNodeComponent')
+    })
+
+    it.concurrent('should be a memoized component', () => {
+      expect(SubflowNodeComponent).toBeDefined()
+    })
+  })
+
+  describe('Props Validation and Type Safety', () => {
+    it.concurrent('should accept NodeProps interface', () => {
+      const validProps = {
+        id: 'test-id',
+        type: 'subflowNode' as const,
+        data: {
+          width: 400,
+          height: 300,
+          isPreview: true,
+          kind: 'parallel' as const,
+        },
+        selected: false,
+        zIndex: 1,
+        isConnectable: true,
+        xPos: 0,
+        yPos: 0,
+        dragging: false,
+      }
+
+      expect(() => {
+        const _component: typeof SubflowNodeComponent = SubflowNodeComponent
+        expect(_component).toBeDefined()
+        expect(validProps.type).toBe('subflowNode')
+      }).not.toThrow()
+    })
+
+    it.concurrent('should handle different data configurations', () => {
+      const configurations = [
+        { width: 500, height: 300, isPreview: false, kind: 'loop' as const },
+        { width: 800, height: 600, isPreview: true, kind: 'parallel' as const },
+        { width: 0, height: 0, isPreview: false, kind: 'loop' as const },
+        { kind: 'loop' as const },
+      ]
+
+      configurations.forEach((data) => {
+        const props = { ...defaultProps, data }
+        expect(() => {
+          const _component: typeof SubflowNodeComponent = SubflowNodeComponent
+          expect(_component).toBeDefined()
+          expect(props.data).toBeDefined()
+        }).not.toThrow()
+      })
+    })
+  })
+
+  describe('Hook Integration', () => {
+    it.concurrent('should provide collaborativeRemoveBlock', () => {
+      expect(mockRemoveBlock).toBeDefined()
+      expect(typeof mockRemoveBlock).toBe('function')
+      mockRemoveBlock('test-id')
+      expect(mockRemoveBlock).toHaveBeenCalledWith('test-id')
+    })
+  })
+
+  describe('Component Logic Tests', () => {
+    it.concurrent('should handle nesting level calculation logic', () => {
+      const testCases = [
+        { nodes: [], parentId: undefined, expectedLevel: 0 },
+        { nodes: [{ id: 'parent', data: {} }], parentId: 'parent', expectedLevel: 1 },
+        {
+          nodes: [
+            { id: 'parent', data: { parentId: 'grandparent' } },
+            { id: 'grandparent', data: {} },
+          ],
+          parentId: 'parent',
+          expectedLevel: 2,
+        },
+      ]
+
+      testCases.forEach(({ nodes, parentId, expectedLevel }) => {
+        mockGetNodes.mockReturnValue(nodes)
+
+        // Simulate the nesting level calculation logic
+        let level = 0
+        let currentParentId = parentId
+
+        while (currentParentId) {
+          level++
+          const parentNode = nodes.find((n) => n.id === currentParentId)
+          if (!parentNode) break
+          currentParentId = parentNode.data?.parentId
+        }
+
+        expect(level).toBe(expectedLevel)
+      })
+    })
+
+    it.concurrent('should handle nested styles generation', () => {
+      // Test the nested styles logic
+      const testCases = [
+        { nestingLevel: 0, expectedBg: 'rgba(34,197,94,0.05)' },
+        { nestingLevel: 1, expectedBg: '#e2e8f030' },
+        { nestingLevel: 2, expectedBg: '#cbd5e130' },
+      ]
+
+      testCases.forEach(({ nestingLevel, expectedBg }) => {
+        // Simulate the getNestedStyles logic
+        const styles: Record<string, string> = {
+          backgroundColor: 'rgba(34,197,94,0.05)',
+        }
+
+        if (nestingLevel > 0) {
+          const colors = ['#e2e8f0', '#cbd5e1', '#94a3b8', '#64748b', '#475569']
+          const colorIndex = (nestingLevel - 1) % colors.length
+          styles.backgroundColor = `${colors[colorIndex]}30`
+        }
+
+        expect(styles.backgroundColor).toBe(expectedBg)
+      })
+    })
+  })
+
+  describe('Component Configuration', () => {
+    it.concurrent('should handle different dimensions', () => {
+      const dimensionTests = [
+        { width: 500, height: 300 },
+        { width: 800, height: 600 },
+        { width: 0, height: 0 },
+        { width: 10000, height: 10000 },
+      ]
+
+      dimensionTests.forEach(({ width, height }) => {
+        const data = { width, height }
+        expect(data.width).toBe(width)
+        expect(data.height).toBe(height)
+      })
+    })
+  })
+
+  describe('Event Handling Logic', () => {
+    it.concurrent('should handle delete button click logic (simulated)', () => {
+      const mockEvent = { stopPropagation: vi.fn() }
+
+      const handleDelete = (e: any, nodeId: string) => {
+        e.stopPropagation()
+        mockRemoveBlock(nodeId)
+      }
+
+      handleDelete(mockEvent, 'test-id')
+
+      expect(mockEvent.stopPropagation).toHaveBeenCalled()
+      expect(mockRemoveBlock).toHaveBeenCalledWith('test-id')
+    })
+
+    it.concurrent('should handle event propagation prevention', () => {
+      const mockEvent = { stopPropagation: vi.fn() }
+      mockEvent.stopPropagation()
+      expect(mockEvent.stopPropagation).toHaveBeenCalled()
+    })
+  })
+
+  describe('Component Data Handling', () => {
+    it.concurrent('should handle missing data properties gracefully', () => {
+      const testCases = [
+        undefined,
+        {},
+        { width: 500 },
+        { height: 300 },
+        { width: 500, height: 300 },
+      ]
+
+      testCases.forEach((data: any) => {
+        const props = { ...defaultProps, data }
+        const width = Math.max(0, data?.width || 500)
+        const height = Math.max(0, data?.height || 300)
+        expect(width).toBeGreaterThanOrEqual(0)
+        expect(height).toBeGreaterThanOrEqual(0)
+        expect(props.type).toBe('subflowNode')
+      })
+    })
+
+    it.concurrent('should handle parent ID relationships', () => {
+      const testCases = [
+        { parentId: undefined, hasParent: false },
+        { parentId: 'parent-1', hasParent: true },
+        { parentId: '', hasParent: false },
+      ]
+
+      testCases.forEach(({ parentId, hasParent }) => {
+        const data = { ...defaultProps.data, parentId }
+        expect(Boolean(data.parentId)).toBe(hasParent)
+      })
+    })
+  })
+
+  describe('Loop vs Parallel Kind Specific Tests', () => {
+    it.concurrent('should generate correct handle IDs for loop kind', () => {
+      const loopData = { ...defaultProps.data, kind: 'loop' as const }
+      const startHandleId = loopData.kind === 'loop' ? 'loop-start-source' : 'parallel-start-source'
+      const endHandleId = loopData.kind === 'loop' ? 'loop-end-source' : 'parallel-end-source'
+
+      expect(startHandleId).toBe('loop-start-source')
+      expect(endHandleId).toBe('loop-end-source')
+    })
+
+    it.concurrent('should generate correct handle IDs for parallel kind', () => {
+      type SubflowKind = 'loop' | 'parallel'
+      const testHandleGeneration = (kind: SubflowKind) => {
+        const startHandleId = kind === 'loop' ? 'loop-start-source' : 'parallel-start-source'
+        const endHandleId = kind === 'loop' ? 'loop-end-source' : 'parallel-end-source'
+        return { startHandleId, endHandleId }
+      }
+
+      const result = testHandleGeneration('parallel')
+      expect(result.startHandleId).toBe('parallel-start-source')
+      expect(result.endHandleId).toBe('parallel-end-source')
+    })
+
+    it.concurrent('should generate correct background colors for loop kind', () => {
+      const loopData = { ...defaultProps.data, kind: 'loop' as const }
+      const startBg = loopData.kind === 'loop' ? '#2FB3FF' : '#FEE12B'
+
+      expect(startBg).toBe('#2FB3FF')
+    })
+
+    it.concurrent('should generate correct background colors for parallel kind', () => {
+      type SubflowKind = 'loop' | 'parallel'
+      const testBgGeneration = (kind: SubflowKind) => {
+        return kind === 'loop' ? '#2FB3FF' : '#FEE12B'
+      }
+
+      const startBg = testBgGeneration('parallel')
+      expect(startBg).toBe('#FEE12B')
+    })
+
+    it.concurrent('should demonstrate handle ID generation for any kind', () => {
+      type SubflowKind = 'loop' | 'parallel'
+      const testKind = (kind: SubflowKind) => {
+        const data = { kind }
+        const startHandleId = data.kind === 'loop' ? 'loop-start-source' : 'parallel-start-source'
+        const endHandleId = data.kind === 'loop' ? 'loop-end-source' : 'parallel-end-source'
+        return { startHandleId, endHandleId }
+      }
+
+      const loopResult = testKind('loop')
+      expect(loopResult.startHandleId).toBe('loop-start-source')
+      expect(loopResult.endHandleId).toBe('loop-end-source')
+
+      const parallelResult = testKind('parallel')
+      expect(parallelResult.startHandleId).toBe('parallel-start-source')
+      expect(parallelResult.endHandleId).toBe('parallel-end-source')
+    })
+
+    it.concurrent('should pass correct iterationType to IterationBadges for loop', () => {
+      const loopProps = { ...defaultProps, data: { ...defaultProps.data, kind: 'loop' as const } }
+      // Mock IterationBadges should receive the kind as iterationType
+      expect(loopProps.data.kind).toBe('loop')
+    })
+
+    it.concurrent('should pass correct iterationType to IterationBadges for parallel', () => {
+      const parallelProps = {
+        ...defaultProps,
+        data: { ...defaultProps.data, kind: 'parallel' as const },
+      }
+      // Mock IterationBadges should receive the kind as iterationType
+      expect(parallelProps.data.kind).toBe('parallel')
+    })
+
+    it.concurrent('should handle both kinds in configuration arrays', () => {
+      const bothKinds = ['loop', 'parallel'] as const
+      bothKinds.forEach((kind) => {
+        const data = { ...defaultProps.data, kind }
+        expect(['loop', 'parallel']).toContain(data.kind)
+
+        // Test handle ID generation for both kinds
+        const startHandleId = data.kind === 'loop' ? 'loop-start-source' : 'parallel-start-source'
+        const endHandleId = data.kind === 'loop' ? 'loop-end-source' : 'parallel-end-source'
+        const startBg = data.kind === 'loop' ? '#2FB3FF' : '#FEE12B'
+
+        if (kind === 'loop') {
+          expect(startHandleId).toBe('loop-start-source')
+          expect(endHandleId).toBe('loop-end-source')
+          expect(startBg).toBe('#2FB3FF')
+        } else {
+          expect(startHandleId).toBe('parallel-start-source')
+          expect(endHandleId).toBe('parallel-end-source')
+          expect(startBg).toBe('#FEE12B')
+        }
+      })
+    })
+
+    it.concurrent('should maintain consistent styling behavior across both kinds', () => {
+      const loopProps = { ...defaultProps, data: { ...defaultProps.data, kind: 'loop' as const } }
+      const parallelProps = {
+        ...defaultProps,
+        data: { ...defaultProps.data, kind: 'parallel' as const },
+      }
+
+      // Both should have same base properties except kind-specific ones
+      expect(loopProps.data.width).toBe(parallelProps.data.width)
+      expect(loopProps.data.height).toBe(parallelProps.data.height)
+      expect(loopProps.data.isPreview).toBe(parallelProps.data.isPreview)
+
+      // But different kinds
+      expect(loopProps.data.kind).toBe('loop')
+      expect(parallelProps.data.kind).toBe('parallel')
+    })
+  })
+
+  describe('Integration with IterationBadges', () => {
+    it.concurrent('should pass nodeId to IterationBadges', () => {
+      const testId = 'test-subflow-123'
+      const props = { ...defaultProps, id: testId }
+
+      // Verify the props would be passed correctly
+      expect(props.id).toBe(testId)
+    })
+
+    it.concurrent('should pass data object to IterationBadges', () => {
+      const testData = { ...defaultProps.data, customProperty: 'test' }
+      const props = { ...defaultProps, data: testData }
+
+      // Verify the data object structure
+      expect(props.data).toEqual(testData)
+      expect(props.data.kind).toBeDefined()
+    })
+
+    it.concurrent('should pass iterationType matching the kind', () => {
+      const loopProps = { ...defaultProps, data: { ...defaultProps.data, kind: 'loop' as const } }
+      const parallelProps = {
+        ...defaultProps,
+        data: { ...defaultProps.data, kind: 'parallel' as const },
+      }
+
+      // The iterationType should match the kind
+      expect(loopProps.data.kind).toBe('loop')
+      expect(parallelProps.data.kind).toBe('parallel')
+    })
+  })
+
+  describe('CSS Class Generation', () => {
+    it.concurrent('should generate proper CSS classes for nested loops', () => {
+      const nestingLevel = 2
+      const expectedBorderClass =
+        nestingLevel > 0 &&
+        `border border-[0.5px] ${nestingLevel % 2 === 0 ? 'border-slate-300/60' : 'border-slate-400/60'}`
+
+      expect(expectedBorderClass).toBeTruthy()
+      expect(expectedBorderClass).toContain('border-slate-300/60') // even nesting level
+    })
+
+    it.concurrent('should generate proper CSS classes for odd nested levels', () => {
+      const nestingLevel = 3
+      const expectedBorderClass =
+        nestingLevel > 0 &&
+        `border border-[0.5px] ${nestingLevel % 2 === 0 ? 'border-slate-300/60' : 'border-slate-400/60'}`
+
+      expect(expectedBorderClass).toBeTruthy()
+      expect(expectedBorderClass).toContain('border-slate-400/60') // odd nesting level
+    })
+
+    it.concurrent('should handle error state styling', () => {
+      const hasNestedError = true
+      const errorClasses = hasNestedError && 'border-2 border-red-500 bg-red-50/50'
+
+      expect(errorClasses).toBe('border-2 border-red-500 bg-red-50/50')
+    })
+
+    it.concurrent('should handle diff status styling', () => {
+      const diffStatuses = ['new', 'edited'] as const
+
+      diffStatuses.forEach((status) => {
+        let diffClass = ''
+        if (status === 'new') {
+          diffClass = 'bg-green-50/50 ring-2 ring-green-500 dark:bg-green-900/10'
+        } else if (status === 'edited') {
+          diffClass = 'bg-orange-50/50 ring-2 ring-orange-500 dark:bg-orange-900/10'
+        }
+
+        expect(diffClass).toBeTruthy()
+        if (status === 'new') {
+          expect(diffClass).toContain('ring-green-500')
+        } else {
+          expect(diffClass).toContain('ring-orange-500')
+        }
+      })
+    })
+  })
+
+  describe('Edge Cases and Error Handling', () => {
+    it.concurrent('should handle circular parent references', () => {
+      const nodes = [
+        { id: 'node1', data: { parentId: 'node2' } },
+        { id: 'node2', data: { parentId: 'node1' } },
+      ]
+
+      mockGetNodes.mockReturnValue(nodes)
+
+      let level = 0
+      let currentParentId = 'node1'
+      const visited = new Set<string>()
+
+      while (currentParentId) {
+        if (visited.has(currentParentId)) {
+          break
+        }
+
+        visited.add(currentParentId)
+        level++
+
+        const parentNode = nodes.find((n) => n.id === currentParentId)
+        if (!parentNode) break
+        currentParentId = parentNode.data?.parentId
+      }
+
+      expect(level).toBe(2)
+      expect(visited.has('node1')).toBe(true)
+      expect(visited.has('node2')).toBe(true)
+    })
+
+    it.concurrent('should handle complex circular reference chains', () => {
+      const nodes = [
+        { id: 'node1', data: { parentId: 'node2' } },
+        { id: 'node2', data: { parentId: 'node3' } },
+        { id: 'node3', data: { parentId: 'node1' } },
+      ]
+
+      mockGetNodes.mockReturnValue(nodes)
+
+      let level = 0
+      let currentParentId = 'node1'
+      const visited = new Set<string>()
+
+      while (currentParentId) {
+        if (visited.has(currentParentId)) {
+          break
+        }
+
+        visited.add(currentParentId)
+        level++
+
+        const parentNode = nodes.find((n) => n.id === currentParentId)
+        if (!parentNode) break
+        currentParentId = parentNode.data?.parentId
+      }
+
+      expect(level).toBe(3)
+      expect(visited.size).toBe(3)
+    })
+
+    it.concurrent('should handle self-referencing nodes', () => {
+      const nodes = [{ id: 'node1', data: { parentId: 'node1' } }]
+
+      mockGetNodes.mockReturnValue(nodes)
+
+      let level = 0
+      let currentParentId = 'node1'
+      const visited = new Set<string>()
+
+      while (currentParentId) {
+        if (visited.has(currentParentId)) {
+          break
+        }
+
+        visited.add(currentParentId)
+        level++
+
+        const parentNode = nodes.find((n) => n.id === currentParentId)
+        if (!parentNode) break
+        currentParentId = parentNode.data?.parentId
+      }
+
+      expect(level).toBe(1)
+      expect(visited.has('node1')).toBe(true)
+    })
+  })
+})

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/subflow-node.tsx

@@ -6,60 +6,54 @@ import { StartIcon } from '@/components/icons'
 import { Button } from '@/components/ui/button'
 import { Card } from '@/components/ui/card'
 import { cn } from '@/lib/utils'
+import { type DiffStatus, hasDiffStatus } from '@/lib/workflows/diff/types'
 import { IterationBadges } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/components/iteration-badges/iteration-badges'
 import { useCurrentWorkflow } from '@/app/workspace/[workspaceId]/w/[workflowId]/hooks'
 import { useCollaborativeWorkflow } from '@/hooks/use-collaborative-workflow'
 
-// Add these styles to your existing global CSS file or create a separate CSS module
-const LoopNodeStyles: React.FC = () => {
+const SubflowNodeStyles: React.FC = () => {
   return (
     <style jsx global>{`
       @keyframes loop-node-pulse {
-        0% { box-shadow: 0 0 0 0 rgba(64, 224, 208, 0.3); }
-        70% { box-shadow: 0 0 0 6px rgba(64, 224, 208, 0); }
-        100% { box-shadow: 0 0 0 0 rgba(64, 224, 208, 0); }
+        0% { box-shadow: 0 0 0 0 rgba(47, 179, 255, 0.3); }
+        70% { box-shadow: 0 0 0 6px rgba(47, 179, 255, 0); }
+        100% { box-shadow: 0 0 0 0 rgba(47, 179, 255, 0); }
       }
-      
+
+      @keyframes parallel-node-pulse {
+        0% { box-shadow: 0 0 0 0 rgba(139, 195, 74, 0.3); }
+        70% { box-shadow: 0 0 0 6px rgba(139, 195, 74, 0); }
+        100% { box-shadow: 0 0 0 0 rgba(139, 195, 74, 0); }
+      }
+
       .loop-node-drag-over {
         animation: loop-node-pulse 1.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
         border-style: solid !important;
         background-color: rgba(47, 179, 255, 0.08) !important;
         box-shadow: 0 0 0 8px rgba(47, 179, 255, 0.1);
       }
-      
-      /* Ensure parent borders are visible when hovering over resize controls */
+
+      .parallel-node-drag-over {
+        animation: parallel-node-pulse 1.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
+        border-style: solid !important;
+        background-color: rgba(139, 195, 74, 0.08) !important;
+        box-shadow: 0 0 0 8px rgba(139, 195, 74, 0.1);
+      }
+
       .react-flow__node-group:hover,
       .hover-highlight {
         border-color: #1e293b !important;
       }
-      
-      /* Ensure hover effects work well */
+
       .group-node-container:hover .react-flow__resize-control.bottom-right {
         opacity: 1 !important;
         visibility: visible !important;
       }
-    
-      
-      /* Prevent jumpy drag behavior */
-      .loop-drop-container .react-flow__node {
-        transform-origin: center;
-        position: absolute;
-      }
-      
-      /* Remove default border from React Flow group nodes */
-      .react-flow__node-group {
-        border: none;
-        background-color: transparent;
-        outline: none;
-        box-shadow: none;
-      }
-      
-      /* Ensure child nodes stay within parent bounds */
+
       .react-flow__node[data-parent-node-id] .react-flow__handle {
         z-index: 30;
       }
-      
-      /* Enhanced drag detection */
+
       .react-flow__node-group.dragging-over {
         background-color: rgba(34,197,94,0.05);
         transition: all 0.2s ease-in-out;
@@ -68,21 +62,30 @@ const LoopNodeStyles: React.FC = () => {
   )
 }
 
-export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
+export interface SubflowNodeData {
+  width?: number
+  height?: number
+  parentId?: string
+  extent?: 'parent'
+  hasNestedError?: boolean
+  isPreview?: boolean
+  kind: 'loop' | 'parallel'
+}
+
+export const SubflowNodeComponent = memo(({ data, id }: NodeProps<SubflowNodeData>) => {
   const { getNodes } = useReactFlow()
   const { collaborativeRemoveBlock } = useCollaborativeWorkflow()
   const blockRef = useRef<HTMLDivElement>(null)
 
-  // Use the clean abstraction for current workflow state
   const currentWorkflow = useCurrentWorkflow()
   const currentBlock = currentWorkflow.getBlockById(id)
-  const diffStatus =
-    currentWorkflow.isDiffMode && currentBlock ? (currentBlock as any).is_diff : undefined
+  const diffStatus: DiffStatus =
+    currentWorkflow.isDiffMode && currentBlock && hasDiffStatus(currentBlock)
+      ? currentBlock.is_diff
+      : undefined
 
-  // Check if this is preview mode
   const isPreview = data?.isPreview || false
 
-  // Determine nesting level by counting parents
   const nestingLevel = useMemo(() => {
     let level = 0
     let currentParentId = data?.parentId
@@ -97,42 +100,37 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
     return level
   }, [id, data?.parentId, getNodes])
 
-  // Generate different background styles based on nesting level
   const getNestedStyles = () => {
-    // Base styles
     const styles: Record<string, string> = {
       backgroundColor: 'rgba(0, 0, 0, 0.02)',
     }
-
-    // Apply nested styles
     if (nestingLevel > 0) {
-      // Each nesting level gets a different color
       const colors = ['#e2e8f0', '#cbd5e1', '#94a3b8', '#64748b', '#475569']
       const colorIndex = (nestingLevel - 1) % colors.length
-
-      styles.backgroundColor = `${colors[colorIndex]}30` // Slightly more visible background
+      styles.backgroundColor = `${colors[colorIndex]}30`
     }
-
     return styles
   }
 
   const nestedStyles = getNestedStyles()
 
+  const startHandleId = data.kind === 'loop' ? 'loop-start-source' : 'parallel-start-source'
+  const endHandleId = data.kind === 'loop' ? 'loop-end-source' : 'parallel-end-source'
+  const startBg = data.kind === 'loop' ? '#2FB3FF' : '#FEE12B'
+
   return (
     <>
-      <LoopNodeStyles />
+      <SubflowNodeStyles />
       <div className='group relative'>
         <Card
           ref={blockRef}
           className={cn(
-            ' relative cursor-default select-none',
+            'relative cursor-default select-none',
             'transition-block-bg transition-ring',
             'z-[20]',
-            data?.state === 'valid',
             nestingLevel > 0 &&
               `border border-[0.5px] ${nestingLevel % 2 === 0 ? 'border-slate-300/60' : 'border-slate-400/60'}`,
             data?.hasNestedError && 'border-2 border-red-500 bg-red-50/50',
-            // Diff highlighting
             diffStatus === 'new' && 'bg-green-50/50 ring-2 ring-green-500 dark:bg-green-900/10',
             diffStatus === 'edited' &&
               'bg-orange-50/50 ring-2 ring-orange-500 dark:bg-orange-900/10'
@@ -146,10 +144,9 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
             pointerEvents: isPreview ? 'none' : 'all',
           }}
           data-node-id={id}
-          data-type='loopNode'
+          data-type='subflowNode'
           data-nesting-level={nestingLevel}
         >
-          {/* Critical drag handle that controls only the loop node movement */}
           {!isPreview && (
             <div
               className='workflow-drag-handle absolute top-0 right-0 left-0 z-10 h-10 cursor-move'
@@ -157,7 +154,6 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
             />
           )}
 
-          {/* Custom visible resize handle */}
           {!isPreview && (
             <div
               className='absolute right-2 bottom-2 z-20 flex h-8 w-8 cursor-se-resize items-center justify-center text-muted-foreground'
@@ -165,7 +161,6 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
             />
           )}
 
-          {/* Child nodes container - Enable pointer events to allow dragging of children */}
           <div
             className='h-[calc(100%-10px)] p-4'
             data-dragarea='true'
@@ -175,7 +170,6 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
               pointerEvents: isPreview ? 'none' : 'auto',
             }}
           >
-            {/* Delete button - styled like in action-bar.tsx */}
             {!isPreview && (
               <Button
                 variant='ghost'
@@ -191,12 +185,12 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
               </Button>
             )}
 
-            {/* Loop Start Block */}
+            {/* Subflow Start */}
             <div
-              className='-translate-y-1/2 absolute top-1/2 left-8 flex h-10 w-10 transform items-center justify-center rounded-md bg-[#2FB3FF] p-2'
-              style={{ pointerEvents: isPreview ? 'none' : 'auto' }}
+              className='-translate-y-1/2 absolute top-1/2 left-8 flex h-10 w-10 transform items-center justify-center rounded-md p-2'
+              style={{ pointerEvents: isPreview ? 'none' : 'auto', backgroundColor: startBg }}
               data-parent-id={id}
-              data-node-role='loop-start'
+              data-node-role={`${data.kind}-start`}
               data-extent='parent'
             >
               <StartIcon className='h-6 w-6 text-white' />
@@ -204,7 +198,7 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
               <Handle
                 type='source'
                 position={Position.Right}
-                id='loop-start-source'
+                id={startHandleId}
                 className='!w-[6px] !h-4 !bg-slate-300 dark:!bg-slate-500 !rounded-[2px] !border-none !z-[30] hover:!w-[10px] hover:!right-[-10px] hover:!rounded-r-full hover:!rounded-l-none !cursor-crosshair transition-[colors] duration-150'
                 style={{
                   right: '-6px',
@@ -241,15 +235,14 @@ export const LoopNodeComponent = memo(({ data, selected, id }: NodeProps) => {
               transform: 'translateY(-50%)',
               pointerEvents: 'auto',
             }}
-            id='loop-end-source'
+            id={endHandleId}
           />
 
-          {/* Loop Configuration Badges */}
-          <IterationBadges nodeId={id} data={data} iterationType='loop' />
+          <IterationBadges nodeId={id} data={data} iterationType={data.kind} />
         </Card>
       </div>
     </>
   )
 })
 
-LoopNodeComponent.displayName = 'LoopNodeComponent'
+SubflowNodeComponent.displayName = 'SubflowNodeComponent'

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/components/action-bar/action-bar.tsx

@@ -1,4 +1,4 @@
-import { ArrowLeftRight, ArrowUpDown, Circle, CircleOff, Copy, Trash2 } from 'lucide-react'
+import { ArrowLeftRight, ArrowUpDown, Circle, CircleOff, Copy, LogOut, Trash2 } from 'lucide-react'
 import { Button } from '@/components/ui/button'
 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip'
 import { cn } from '@/lib/utils'
@@ -23,6 +23,10 @@ export function ActionBar({ blockId, blockType, disabled = false }: ActionBarPro
   const horizontalHandles = useWorkflowStore(
     (state) => state.blocks[blockId]?.horizontalHandles ?? false
   )
+  const parentId = useWorkflowStore((state) => state.blocks[blockId]?.data?.parentId)
+  const parentType = useWorkflowStore((state) =>
+    parentId ? state.blocks[parentId]?.type : undefined
+  )
   const userPermissions = useUserPermissionsContext()
 
   const isStarterBlock = blockType === 'starter'
@@ -102,6 +106,33 @@ export function ActionBar({ blockId, blockType, disabled = false }: ActionBarPro
         </Tooltip>
       )}
 
+      {/* Remove from subflow - only show when inside loop/parallel */}
+      {!isStarterBlock && parentId && (parentType === 'loop' || parentType === 'parallel') && (
+        <Tooltip>
+          <TooltipTrigger asChild>
+            <Button
+              variant='ghost'
+              size='sm'
+              onClick={() => {
+                if (!disabled && userPermissions.canEdit) {
+                  window.dispatchEvent(
+                    new CustomEvent('remove-from-subflow', { detail: { blockId } })
+                  )
+                }
+              }}
+              className={cn(
+                'text-gray-500',
+                (disabled || !userPermissions.canEdit) && 'cursor-not-allowed opacity-50'
+              )}
+              disabled={disabled || !userPermissions.canEdit}
+            >
+              <LogOut className='h-4 w-4' />
+            </Button>
+          </TooltipTrigger>
+          <TooltipContent side='right'>{getTooltipMessage('Remove From Subflow')}</TooltipContent>
+        </Tooltip>
+      )}
+
       <Tooltip>
         <TooltipTrigger asChild>
           <Button

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/components/sub-block/components/file-selector/file-selector-input.tsx

@@ -34,6 +34,7 @@ interface FileSelectorInputProps {
   disabled: boolean
   isPreview?: boolean
   previewValue?: any | null
+  previewContextValues?: Record<string, any>
 }
 
 export function FileSelectorInput({
@@ -42,6 +43,7 @@ export function FileSelectorInput({
   disabled,
   isPreview = false,
   previewValue,
+  previewContextValues,
 }: FileSelectorInputProps) {
   const { getValue } = useSubBlockStore()
   const { collaborativeSetSubblockValue } = useCollaborativeWorkflow()
@@ -49,6 +51,23 @@ export function FileSelectorInput({
   const params = useParams()
   const workflowIdFromUrl = (params?.workflowId as string) || activeWorkflowId || ''
 
+  // Helper to coerce various preview value shapes into a string ID
+  const coerceToIdString = (val: unknown): string => {
+    if (!val) return ''
+    if (typeof val === 'string') return val
+    if (typeof val === 'number') return String(val)
+    if (typeof val === 'object') {
+      const obj = val as Record<string, any>
+      return (obj.id ||
+        obj.fileId ||
+        obj.value ||
+        obj.documentId ||
+        obj.spreadsheetId ||
+        '') as string
+    }
+    return ''
+  }
+
   // Use the proper hook to get the current value and setter
   const [storeValue, setStoreValue] = useSubBlockValue(blockId, subBlock.id)
   const [selectedFileId, setSelectedFileId] = useState<string>('')
@@ -108,19 +127,37 @@ export function FileSelectorInput({
   const isMicrosoftSharePoint = provider === 'microsoft' && subBlock.serviceId === 'sharepoint'
   const isMicrosoftPlanner = provider === 'microsoft-planner'
   // For Confluence and Jira, we need the domain and credentials
-  const domain = isConfluence || isJira ? (getValue(blockId, 'domain') as string) || '' : ''
-  const jiraCredential = isJira ? (getValue(blockId, 'credential') as string) || '' : ''
+  const domain =
+    isConfluence || isJira
+      ? (isPreview && previewContextValues?.domain?.value) ||
+        (getValue(blockId, 'domain') as string) ||
+        ''
+      : ''
+  const jiraCredential = isJira
+    ? (isPreview && previewContextValues?.credential?.value) ||
+      (getValue(blockId, 'credential') as string) ||
+      ''
+    : ''
   // For Discord, we need the bot token and server ID
-  const botToken = isDiscord ? (getValue(blockId, 'botToken') as string) || '' : ''
-  const serverId = isDiscord ? (getValue(blockId, 'serverId') as string) || '' : ''
+  const botToken = isDiscord
+    ? (isPreview && previewContextValues?.botToken?.value) ||
+      (getValue(blockId, 'botToken') as string) ||
+      ''
+    : ''
+  const serverId = isDiscord
+    ? (isPreview && previewContextValues?.serverId?.value) ||
+      (getValue(blockId, 'serverId') as string) ||
+      ''
+    : ''
 
   // Use preview value when in preview mode, otherwise use store value
   const value = isPreview ? previewValue : storeValue
 
   // Keep local selection in sync with store value (and preview)
   useEffect(() => {
-    const effective = isPreview && previewValue !== undefined ? previewValue : storeValue
-    if (typeof effective === 'string' && effective !== '') {
+    const raw = isPreview && previewValue !== undefined ? previewValue : storeValue
+    const effective = coerceToIdString(raw)
+    if (effective) {
       if (isJira) {
         setSelectedIssueId(effective)
       } else if (isDiscord) {
@@ -385,7 +422,7 @@ export function FileSelectorInput({
           <TooltipTrigger asChild>
             <div className='w-full'>
               <MicrosoftFileSelector
-                value={selectedFileId}
+                value={coerceToIdString(selectedFileId)}
                 onChange={handleFileChange}
                 provider='microsoft-excel'
                 requiredScopes={subBlock.requiredScopes || []}
@@ -418,7 +455,7 @@ export function FileSelectorInput({
           <TooltipTrigger asChild>
             <div className='w-full'>
               <MicrosoftFileSelector
-                value={selectedFileId}
+                value={coerceToIdString(selectedFileId)}
                 onChange={handleFileChange}
                 provider='microsoft-word'
                 requiredScopes={subBlock.requiredScopes || []}
@@ -450,7 +487,7 @@ export function FileSelectorInput({
           <TooltipTrigger asChild>
             <div className='w-full'>
               <MicrosoftFileSelector
-                value={selectedFileId}
+                value={coerceToIdString(selectedFileId)}
                 onChange={handleFileChange}
                 provider='microsoft'
                 requiredScopes={subBlock.requiredScopes || []}
@@ -482,7 +519,7 @@ export function FileSelectorInput({
           <TooltipTrigger asChild>
             <div className='w-full'>
               <MicrosoftFileSelector
-                value={selectedFileId}
+                value={coerceToIdString(selectedFileId)}
                 onChange={handleFileChange}
                 provider='microsoft'
                 requiredScopes={subBlock.requiredScopes || []}
@@ -662,11 +699,9 @@ export function FileSelectorInput({
   // Default to Google Drive picker
   return (
     <GoogleDrivePicker
-      value={
-        (isPreview && previewValue !== undefined
-          ? (previewValue as string)
-          : (storeValue as string)) || ''
-      }
+      value={coerceToIdString(
+        (isPreview && previewValue !== undefined ? previewValue : storeValue) as any
+      )}
       onChange={(val, info) => {
         setSelectedFileId(val)
         setFileInfo(info || null)
@@ -682,7 +717,11 @@ export function FileSelectorInput({
       onFileInfoChange={setFileInfo}
       clientId={clientId}
       apiKey={apiKey}
-      credentialId={(getValue(blockId, 'credential') as string) || ''}
+      credentialId={
+        ((isPreview && previewContextValues?.credential?.value) ||
+          (getValue(blockId, 'credential') as string) ||
+          '') as string
+      }
       workflowId={workflowIdFromUrl}
     />
   )

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/components/sub-block/components/long-input.tsx

@@ -389,6 +389,8 @@ export function LongInput({
             fontFamily: 'inherit',
             lineHeight: 'inherit',
             height: `${height}px`,
+            wordBreak: 'break-word',
+            whiteSpace: 'pre-wrap',
           }}
         />
         <div
@@ -397,7 +399,7 @@ export function LongInput({
           style={{
             fontFamily: 'inherit',
             lineHeight: 'inherit',
-            width: textareaRef.current ? `${textareaRef.current.clientWidth}px` : '100%',
+            width: '100%',
             height: `${height}px`,
             overflow: 'hidden',
           }}

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/components/sub-block/components/tool-input/tool-input.tsx

@@ -55,6 +55,7 @@ interface ToolInputProps {
   isPreview?: boolean
   previewValue?: any
   disabled?: boolean
+  allowExpandInPreview?: boolean
 }
 
 interface StoredTool {
@@ -105,6 +106,7 @@ function FileSelectorSyncWrapper({
   onChange,
   uiComponent,
   disabled,
+  previewContextValues,
 }: {
   blockId: string
   paramId: string
@@ -112,6 +114,7 @@ function FileSelectorSyncWrapper({
   onChange: (value: string) => void
   uiComponent: any
   disabled: boolean
+  previewContextValues?: Record<string, any>
 }) {
   return (
     <GenericSyncWrapper blockId={blockId} paramId={paramId} value={value} onChange={onChange}>
@@ -128,6 +131,7 @@ function FileSelectorSyncWrapper({
           placeholder: uiComponent.placeholder,
         }}
         disabled={disabled}
+        previewContextValues={previewContextValues}
       />
     </GenericSyncWrapper>
   )
@@ -398,6 +402,7 @@ export function ToolInput({
   isPreview = false,
   previewValue,
   disabled = false,
+  allowExpandInPreview,
 }: ToolInputProps) {
   const [storeValue, setStoreValue] = useSubBlockValue(blockId, subBlockId)
   const [open, setOpen] = useState(false)
@@ -775,8 +780,19 @@ export function ToolInput({
     )
   }
 
+  // Local expansion overrides for preview/diff mode
+  const [previewExpanded, setPreviewExpanded] = useState<Record<number, boolean>>({})
+
   const toggleToolExpansion = (toolIndex: number) => {
-    if (isPreview || disabled) return
+    if ((isPreview && !allowExpandInPreview) || disabled) return
+
+    if (isPreview) {
+      setPreviewExpanded((prev) => ({
+        ...prev,
+        [toolIndex]: !(prev[toolIndex] ?? !!selectedTools[toolIndex]?.isExpanded),
+      }))
+      return
+    }
 
     setStoreValue(
       selectedTools.map((tool, index) =>
@@ -929,7 +945,8 @@ export function ToolInput({
     param: ToolParameterConfig,
     value: string,
     onChange: (value: string) => void,
-    toolIndex?: number
+    toolIndex?: number,
+    currentToolParams?: Record<string, string>
   ) => {
     // Create unique blockId for tool parameters to avoid conflicts with main block
     const uniqueBlockId = toolIndex !== undefined ? `${blockId}-tool-${toolIndex}` : blockId
@@ -1076,6 +1093,7 @@ export function ToolInput({
             onChange={onChange}
             uiComponent={uiComponent}
             disabled={disabled}
+            previewContextValues={currentToolParams as any}
           />
         )
 
@@ -1363,6 +1381,9 @@ export function ToolInput({
             const oauthConfig = !isCustomTool ? getToolOAuthConfig(currentToolId) : null
 
             // Tools are always expandable so users can access the interface
+            const isExpandedForDisplay = isPreview
+              ? (previewExpanded[toolIndex] ?? !!tool.isExpanded)
+              : !!tool.isExpanded
 
             return (
               <div
@@ -1458,29 +1479,27 @@ export function ToolInput({
                               </span>
                               <span
                                 className={`font-medium text-xs ${
-                                  tool.usageControl === 'force'
-                                    ? 'block text-muted-foreground'
-                                    : 'hidden'
+                                  tool.usageControl === 'force' ? 'block' : 'hidden'
                                 }`}
                               >
                                 Force
                               </span>
                               <span
                                 className={`font-medium text-xs ${
-                                  tool.usageControl === 'none'
-                                    ? 'block text-muted-foreground'
-                                    : 'hidden'
+                                  tool.usageControl === 'none' ? 'block' : 'hidden'
                                 }`}
                               >
-                                Deny
+                                None
                               </span>
                             </Toggle>
                           </TooltipTrigger>
-                          <TooltipContent side='bottom' className='max-w-[240px] p-2'>
-                            <p className='text-xs'>
+                          <TooltipContent className='max-w-[280px] p-2' side='top'>
+                            <p className='text-muted-foreground text-xs'>
+                              Control how the model uses this tool in its response.
                               {tool.usageControl === 'auto' && (
                                 <span>
-                                  <span className='font-medium'>Auto:</span> Let the agent decide
+                                  {' '}
+                                  <span className='font-medium'>Auto:</span> Let the model decide
                                   when to use the tool
                                 </span>
                               )}
@@ -1511,7 +1530,7 @@ export function ToolInput({
                     </div>
                   </div>
 
-                  {!isCustomTool && tool.isExpanded && (
+                  {!isCustomTool && isExpandedForDisplay && (
                     <div className='space-y-3 overflow-visible p-3'>
                       {/* Operation dropdown for tools with multiple operations */}
                       {(() => {
@@ -1660,7 +1679,8 @@ export function ToolInput({
                                     param,
                                     tool.params[param.id] || '',
                                     (value) => handleParamChange(toolIndex, param.id, value),
-                                    toolIndex
+                                    toolIndex,
+                                    tool.params
                                   )
                                 ) : (
                                   <ShortInput

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/components/sub-block/sub-block.tsx

@@ -3,6 +3,7 @@ import { useEffect, useState } from 'react'
 import { AlertTriangle, Info } from 'lucide-react'
 import { Label, Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui'
 import { cn } from '@/lib/utils'
+import type { FieldDiffStatus } from '@/lib/workflows/diff/types'
 import {
   ChannelSelectorInput,
   CheckboxList,
@@ -43,7 +44,8 @@ interface SubBlockProps {
   isPreview?: boolean
   subBlockValues?: Record<string, any>
   disabled?: boolean
-  fieldDiffStatus?: 'changed' | 'unchanged'
+  fieldDiffStatus?: FieldDiffStatus
+  allowExpandInPreview?: boolean
 }
 
 export function SubBlock({
@@ -54,6 +56,7 @@ export function SubBlock({
   subBlockValues,
   disabled = false,
   fieldDiffStatus,
+  allowExpandInPreview,
 }: SubBlockProps) {
   const [isValidJson, setIsValidJson] = useState(true)
 
@@ -211,7 +214,8 @@ export function SubBlock({
             subBlockId={config.id}
             isPreview={isPreview}
             previewValue={previewValue}
-            disabled={isDisabled}
+            disabled={allowExpandInPreview ? false : isDisabled}
+            allowExpandInPreview={allowExpandInPreview}
           />
         )
       case 'checkbox-list':
@@ -355,6 +359,7 @@ export function SubBlock({
             disabled={isDisabled}
             isPreview={isPreview}
             previewValue={previewValue}
+            previewContextValues={subBlockValues}
           />
         )
       case 'project-selector':

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/workflow-block.tsx

@@ -8,6 +8,7 @@ import { Card } from '@/components/ui/card'
 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip'
 import { parseCronToHumanReadable } from '@/lib/schedules/utils'
 import { cn, validateName } from '@/lib/utils'
+import { type DiffStatus, hasDiffStatus } from '@/lib/workflows/diff/types'
 import { useUserPermissionsContext } from '@/app/workspace/[workspaceId]/providers/workspace-permissions-provider'
 import type { BlockConfig, SubBlockConfig, SubBlockType } from '@/blocks/types'
 import { useCollaborativeWorkflow } from '@/hooks/use-collaborative-workflow'
@@ -76,12 +77,16 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
     : (currentBlock?.enabled ?? true)
 
   // Get diff status from the block itself (set by diff engine)
-  const diffStatus =
-    currentWorkflow.isDiffMode && currentBlock ? (currentBlock as any).is_diff : undefined
+  const diffStatus: DiffStatus =
+    currentWorkflow.isDiffMode && currentBlock && hasDiffStatus(currentBlock)
+      ? currentBlock.is_diff
+      : undefined
 
-  // Get field-level diff information
+  // Get field-level diff information for this specific block
   const fieldDiff =
-    currentWorkflow.isDiffMode && currentBlock ? (currentBlock as any).field_diffs : undefined
+    currentWorkflow.isDiffMode && currentBlock && hasDiffStatus(currentBlock)
+      ? currentBlock.field_diffs?.[id]
+      : undefined
 
   // Debug: Log diff status for this block
   useEffect(() => {
@@ -151,6 +156,24 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
   const blockAdvancedMode = useWorkflowStore((state) => state.blocks[id]?.advancedMode ?? false)
   const blockTriggerMode = useWorkflowStore((state) => state.blocks[id]?.triggerMode ?? false)
 
+  // Local UI state for diff mode controls
+  const [diffIsWide, setDiffIsWide] = useState<boolean>(isWide)
+  const [diffAdvancedMode, setDiffAdvancedMode] = useState<boolean>(blockAdvancedMode)
+  const [diffTriggerMode, setDiffTriggerMode] = useState<boolean>(blockTriggerMode)
+
+  useEffect(() => {
+    if (currentWorkflow.isDiffMode) {
+      setDiffIsWide(isWide)
+      setDiffAdvancedMode(blockAdvancedMode)
+      setDiffTriggerMode(blockTriggerMode)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [currentWorkflow.isDiffMode, id])
+
+  const displayIsWide = currentWorkflow.isDiffMode ? diffIsWide : isWide
+  const displayAdvancedMode = currentWorkflow.isDiffMode ? diffAdvancedMode : blockAdvancedMode
+  const displayTriggerMode = currentWorkflow.isDiffMode ? diffTriggerMode : blockTriggerMode
+
   // Collaborative workflow actions
   const {
     collaborativeUpdateBlockName,
@@ -414,6 +437,8 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
 
     const isAdvancedMode = useWorkflowStore.getState().blocks[blockId]?.advancedMode ?? false
     const isTriggerMode = useWorkflowStore.getState().blocks[blockId]?.triggerMode ?? false
+    const effectiveAdvanced = currentWorkflow.isDiffMode ? displayAdvancedMode : isAdvancedMode
+    const effectiveTrigger = currentWorkflow.isDiffMode ? displayTriggerMode : isTriggerMode
 
     // Filter visible blocks and those that meet their conditions
     const visibleSubBlocks = subBlocks.filter((block) => {
@@ -423,18 +448,18 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
       if (block.type === ('trigger-config' as SubBlockType)) {
         // Show trigger-config blocks when in trigger mode OR for pure trigger blocks
         const isPureTriggerBlock = config?.triggers?.enabled && config.category === 'triggers'
-        return isTriggerMode || isPureTriggerBlock
+        return effectiveTrigger || isPureTriggerBlock
       }
 
-      if (isTriggerMode && block.type !== ('trigger-config' as SubBlockType)) {
+      if (effectiveTrigger && block.type !== ('trigger-config' as SubBlockType)) {
         // In trigger mode, hide all non-trigger-config blocks
         return false
       }
 
       // Filter by mode if specified
       if (block.mode) {
-        if (block.mode === 'basic' && isAdvancedMode) return false
-        if (block.mode === 'advanced' && !isAdvancedMode) return false
+        if (block.mode === 'basic' && effectiveAdvanced) return false
+        if (block.mode === 'advanced' && !effectiveAdvanced) return false
       }
 
       // If there's no condition, the block should be shown
@@ -562,7 +587,7 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
         className={cn(
           'relative cursor-default select-none shadow-md',
           'transition-block-bg transition-ring',
-          isWide ? 'w-[480px]' : 'w-[320px]',
+          displayIsWide ? 'w-[480px]' : 'w-[320px]',
           !isEnabled && 'shadow-sm',
           isActive && 'animate-pulse-ring ring-2 ring-blue-500',
           isPending && 'ring-2 ring-amber-500',
@@ -658,7 +683,7 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
                   onClick={handleNameClick}
                   title={name}
                   style={{
-                    maxWidth: !isEnabled ? (isWide ? '200px' : '140px') : '180px',
+                    maxWidth: !isEnabled ? (displayIsWide ? '200px' : '140px') : '180px',
                   }}
                 >
                   {name}
@@ -758,26 +783,30 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
                     variant='ghost'
                     size='sm'
                     onClick={() => {
-                      if (userPermissions.canEdit) {
+                      if (currentWorkflow.isDiffMode) {
+                        setDiffAdvancedMode((prev) => !prev)
+                      } else if (userPermissions.canEdit) {
                         collaborativeToggleBlockAdvancedMode(id)
                       }
                     }}
                     className={cn(
                       'h-7 p-1 text-gray-500',
-                      blockAdvancedMode && 'text-[var(--brand-primary-hex)]',
-                      !userPermissions.canEdit && 'cursor-not-allowed opacity-50'
+                      displayAdvancedMode && 'text-[var(--brand-primary-hex)]',
+                      !userPermissions.canEdit &&
+                        !currentWorkflow.isDiffMode &&
+                        'cursor-not-allowed opacity-50'
                     )}
-                    disabled={!userPermissions.canEdit}
+                    disabled={!userPermissions.canEdit && !currentWorkflow.isDiffMode}
                   >
                     <Code className='h-5 w-5' />
                   </Button>
                 </TooltipTrigger>
                 <TooltipContent side='top'>
-                  {!userPermissions.canEdit
+                  {!userPermissions.canEdit && !currentWorkflow.isDiffMode
                     ? userPermissions.isOfflineMode
                       ? 'Connection lost - please refresh'
                       : 'Read-only mode'
-                    : blockAdvancedMode
+                    : displayAdvancedMode
                       ? 'Switch to Basic Mode'
                       : 'Switch to Advanced Mode'}
                 </TooltipContent>
@@ -791,27 +820,31 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
                     variant='ghost'
                     size='sm'
                     onClick={() => {
-                      if (userPermissions.canEdit) {
+                      if (currentWorkflow.isDiffMode) {
+                        setDiffTriggerMode((prev) => !prev)
+                      } else if (userPermissions.canEdit) {
                         // Toggle trigger mode using collaborative function
                         collaborativeToggleBlockTriggerMode(id)
                       }
                     }}
                     className={cn(
                       'h-7 p-1 text-gray-500',
-                      blockTriggerMode && 'text-[#22C55E]',
-                      !userPermissions.canEdit && 'cursor-not-allowed opacity-50'
+                      displayTriggerMode && 'text-[#22C55E]',
+                      !userPermissions.canEdit &&
+                        !currentWorkflow.isDiffMode &&
+                        'cursor-not-allowed opacity-50'
                     )}
-                    disabled={!userPermissions.canEdit}
+                    disabled={!userPermissions.canEdit && !currentWorkflow.isDiffMode}
                   >
                     <Zap className='h-5 w-5' />
                   </Button>
                 </TooltipTrigger>
                 <TooltipContent side='top'>
-                  {!userPermissions.canEdit
+                  {!userPermissions.canEdit && !currentWorkflow.isDiffMode
                     ? userPermissions.isOfflineMode
                       ? 'Connection lost - please refresh'
                       : 'Read-only mode'
-                    : blockTriggerMode
+                    : displayTriggerMode
                       ? 'Switch to Action Mode'
                       : 'Switch to Trigger Mode'}
                 </TooltipContent>
@@ -892,17 +925,21 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
                   variant='ghost'
                   size='sm'
                   onClick={() => {
-                    if (userPermissions.canEdit) {
+                    if (currentWorkflow.isDiffMode) {
+                      setDiffIsWide((prev) => !prev)
+                    } else if (userPermissions.canEdit) {
                       collaborativeToggleBlockWide(id)
                     }
                   }}
                   className={cn(
                     'h-7 p-1 text-gray-500',
-                    !userPermissions.canEdit && 'cursor-not-allowed opacity-50'
+                    !userPermissions.canEdit &&
+                      !currentWorkflow.isDiffMode &&
+                      'cursor-not-allowed opacity-50'
                   )}
-                  disabled={!userPermissions.canEdit}
+                  disabled={!userPermissions.canEdit && !currentWorkflow.isDiffMode}
                 >
-                  {isWide ? (
+                  {displayIsWide ? (
                     <RectangleHorizontal className='h-5 w-5' />
                   ) : (
                     <RectangleVertical className='h-5 w-5' />
@@ -910,11 +947,11 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
                 </Button>
               </TooltipTrigger>
               <TooltipContent side='top'>
-                {!userPermissions.canEdit
+                {!userPermissions.canEdit && !currentWorkflow.isDiffMode
                   ? userPermissions.isOfflineMode
                     ? 'Connection lost - please refresh'
                     : 'Read-only mode'
-                  : isWide
+                  : displayIsWide
                     ? 'Narrow Block'
                     : 'Expand Block'}
               </TooltipContent>
@@ -942,8 +979,13 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
                         blockId={id}
                         config={subBlock}
                         isConnecting={isConnecting}
-                        isPreview={data.isPreview}
-                        subBlockValues={data.subBlockValues}
+                        isPreview={data.isPreview || currentWorkflow.isDiffMode}
+                        subBlockValues={
+                          data.subBlockValues ||
+                          (currentWorkflow.isDiffMode && currentBlock
+                            ? (currentBlock as any).subBlocks
+                            : undefined)
+                        }
                         disabled={!userPermissions.canEdit}
                         fieldDiffStatus={
                           fieldDiff?.changed_fields?.includes(subBlock.id)
@@ -952,6 +994,7 @@ export function WorkflowBlock({ id, data }: NodeProps<WorkflowBlockProps>) {
                               ? 'unchanged'
                               : undefined
                         }
+                        allowExpandInPreview={currentWorkflow.isDiffMode}
                       />
                     </div>
                   ))}

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-edge/workflow-edge.tsx

@@ -1,6 +1,7 @@
 import { useEffect } from 'react'
 import { X } from 'lucide-react'
 import { BaseEdge, EdgeLabelRenderer, type EdgeProps, getSmoothStepPath } from 'reactflow'
+import type { EdgeDiffStatus } from '@/lib/workflows/diff/types'
 import { useWorkflowDiffStore } from '@/stores/workflow-diff'
 import { useCurrentWorkflow } from '../../hooks'
 
@@ -114,7 +115,7 @@ export const WorkflowEdge = ({
   }, [diffAnalysis, id, currentWorkflow.blocks, currentWorkflow.edges, isShowingDiff])
 
   // Determine edge diff status
-  let edgeDiffStatus: 'new' | 'deleted' | 'unchanged' | null = null
+  let edgeDiffStatus: EdgeDiffStatus = null
 
   // Only attempt to determine diff status if all required data is available
   if (diffAnalysis?.edge_diff && edgeIdentifier && isDiffReady) {

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/utils.ts

@@ -14,7 +14,8 @@ const isContainerType = (blockType: string): boolean => {
     blockType === 'loop' ||
     blockType === 'parallel' ||
     blockType === 'loopNode' ||
-    blockType === 'parallelNode'
+    blockType === 'parallelNode' ||
+    blockType === 'subflowNode'
   )
 }
 
@@ -325,7 +326,10 @@ export const updateNodeParent = (
   } else if (currentParentId) {
     const absolutePosition = getNodeAbsolutePosition(nodeId, getNodes)
 
+    // First set the absolute position so the node visually stays in place
     updateBlockPosition(nodeId, absolutePosition)
+    // Then clear the parent relationship in the store (empty string removes parentId/extent)
+    updateParentId(nodeId, '', 'parent')
   }
 
   resizeLoopNodes()

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/workflow.tsx

@@ -18,8 +18,7 @@ import { ControlBar } from '@/app/workspace/[workspaceId]/w/[workflowId]/compone
 import { DiffControls } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/diff-controls'
 import { ErrorBoundary } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/error/index'
 import { Panel } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/panel/panel'
-import { LoopNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/loop/loop-node'
-import { ParallelNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/parallel/parallel-node'
+import { SubflowNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/subflow-node'
 import { WorkflowBlock } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/workflow-block'
 import { WorkflowEdge } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-edge/workflow-edge'
 import { useCurrentWorkflow } from '@/app/workspace/[workspaceId]/w/[workflowId]/hooks'
@@ -48,8 +47,7 @@ const logger = createLogger('Workflow')
 // Define custom node and edge types
 const nodeTypes: NodeTypes = {
   workflowBlock: WorkflowBlock,
-  loopNode: LoopNodeComponent,
-  parallelNode: ParallelNodeComponent,
+  subflowNode: SubflowNodeComponent,
 }
 const edgeTypes: EdgeTypes = { workflowEdge: WorkflowEdge }
 
@@ -343,6 +341,35 @@ const WorkflowContent = React.memo(() => {
     }
   }, [debouncedAutoLayout])
 
+  // Listen for explicit remove-from-subflow actions from ActionBar
+  useEffect(() => {
+    const handleRemoveFromSubflow = (event: Event) => {
+      const customEvent = event as CustomEvent<{ blockId: string }>
+      const { blockId } = customEvent.detail || ({} as any)
+      if (!blockId) return
+
+      try {
+        // Remove parent-child relationship while preserving absolute position
+        updateNodeParent(blockId, null)
+
+        // Remove all edges connected to this block
+        const connectedEdges = edgesForDisplay.filter(
+          (e) => e.source === blockId || e.target === blockId
+        )
+
+        connectedEdges.forEach((edge) => {
+          removeEdge(edge.id)
+        })
+      } catch (err) {
+        logger.error('Failed to remove from subflow', { err })
+      }
+    }
+
+    window.addEventListener('remove-from-subflow', handleRemoveFromSubflow as EventListener)
+    return () =>
+      window.removeEventListener('remove-from-subflow', handleRemoveFromSubflow as EventListener)
+  }, [getNodes, updateNodeParent, removeEdge, edgesForDisplay])
+
   // Handle drops
   const findClosestOutput = useCallback(
     (newNodePosition: { x: number; y: number }): BlockData | null => {
@@ -451,7 +478,7 @@ const WorkflowContent = React.memo(() => {
           {
             width: 500,
             height: 300,
-            type: type === 'loop' ? 'loopNode' : 'parallelNode',
+            type: 'subflowNode',
           },
           undefined,
           undefined,
@@ -571,7 +598,7 @@ const WorkflowContent = React.memo(() => {
             addBlock(id, data.type, name, relativePosition, {
               width: 500,
               height: 300,
-              type: data.type === 'loop' ? 'loopNode' : 'parallelNode',
+              type: 'subflowNode',
               parentId: containerInfo.loopId,
               extent: 'parent',
             })
@@ -607,7 +634,7 @@ const WorkflowContent = React.memo(() => {
               {
                 width: 500,
                 height: 300,
-                type: data.type === 'loop' ? 'loopNode' : 'parallelNode',
+                type: 'subflowNode',
               },
               undefined,
               undefined,
@@ -657,10 +684,12 @@ const WorkflowContent = React.memo(() => {
             const containerNode = getNodes().find((n) => n.id === containerInfo.loopId)
             const containerType = containerNode?.type
 
-            if (containerType === 'loopNode' || containerType === 'parallelNode') {
+            if (containerType === 'subflowNode') {
               // Connect from the container's start node to the new block
               const startSourceHandle =
-                containerType === 'loopNode' ? 'loop-start-source' : 'parallel-start-source'
+                (containerNode?.data as any)?.kind === 'loop'
+                  ? 'loop-start-source'
+                  : 'parallel-start-source'
 
               addEdge({
                 id: crypto.randomUUID(),
@@ -781,9 +810,15 @@ const WorkflowContent = React.memo(() => {
           if (containerElement) {
             // Determine the type of container node for appropriate styling
             const containerNode = getNodes().find((n) => n.id === containerInfo.loopId)
-            if (containerNode?.type === 'loopNode') {
+            if (
+              containerNode?.type === 'subflowNode' &&
+              (containerNode.data as any)?.kind === 'loop'
+            ) {
               containerElement.classList.add('loop-node-drag-over')
-            } else if (containerNode?.type === 'parallelNode') {
+            } else if (
+              containerNode?.type === 'subflowNode' &&
+              (containerNode.data as any)?.kind === 'parallel'
+            ) {
               containerElement.classList.add('parallel-node-drag-over')
             }
             document.body.style.cursor = 'copy'
@@ -918,31 +953,11 @@ const WorkflowContent = React.memo(() => {
       }
 
       // Handle container nodes differently
-      if (block.type === 'loop') {
+      if (block.type === 'loop' || block.type === 'parallel') {
         const hasNestedError = nestedSubflowErrors.has(block.id)
         nodeArray.push({
           id: block.id,
-          type: 'loopNode',
-          position: block.position,
-          parentId: block.data?.parentId,
-          extent: block.data?.extent || undefined,
-          dragHandle: '.workflow-drag-handle',
-          data: {
-            ...block.data,
-            width: block.data?.width || 500,
-            height: block.data?.height || 300,
-            hasNestedError,
-          },
-        })
-        return
-      }
-
-      // Handle parallel nodes
-      if (block.type === 'parallel') {
-        const hasNestedError = nestedSubflowErrors.has(block.id)
-        nodeArray.push({
-          id: block.id,
-          type: 'parallelNode',
+          type: 'subflowNode',
           position: block.position,
           parentId: block.data?.parentId,
           extent: block.data?.extent || undefined,
@@ -952,6 +967,7 @@ const WorkflowContent = React.memo(() => {
             width: block.data?.width || 500,
             height: block.data?.height || 300,
             hasNestedError,
+            kind: block.type === 'loop' ? 'loop' : 'parallel',
           },
         })
         return
@@ -1191,13 +1207,13 @@ const WorkflowContent = React.memo(() => {
       const intersectingNodes = getNodes()
         .filter((n) => {
           // Only consider container nodes that aren't the dragged node
-          if ((n.type !== 'loopNode' && n.type !== 'parallelNode') || n.id === node.id) return false
+          if (n.type !== 'subflowNode' || n.id === node.id) return false
 
           // Skip if this container is already the parent of the node being dragged
           if (n.id === currentParentId) return false
 
           // Skip self-nesting: prevent a container from becoming its own descendant
-          if (node.type === 'loopNode' || node.type === 'parallelNode') {
+          if (node.type === 'subflowNode') {
             // Get the full hierarchy of the potential parent
             const hierarchy = getNodeHierarchyWrapper(n.id)
 
@@ -1212,14 +1228,14 @@ const WorkflowContent = React.memo(() => {
 
           // Get dimensions based on node type
           const nodeWidth =
-            node.type === 'loopNode' || node.type === 'parallelNode'
+            node.type === 'subflowNode'
               ? node.data?.width || 500
               : node.type === 'condition'
                 ? 250
                 : 350
 
           const nodeHeight =
-            node.type === 'loopNode' || node.type === 'parallelNode'
+            node.type === 'subflowNode'
               ? node.data?.height || 300
               : node.type === 'condition'
                 ? 150
@@ -1286,9 +1302,15 @@ const WorkflowContent = React.memo(() => {
         )
         if (containerElement) {
           // Apply appropriate class based on container type
-          if (bestContainerMatch.container.type === 'loopNode') {
+          if (
+            bestContainerMatch.container.type === 'subflowNode' &&
+            (bestContainerMatch.container.data as any)?.kind === 'loop'
+          ) {
             containerElement.classList.add('loop-node-drag-over')
-          } else if (bestContainerMatch.container.type === 'parallelNode') {
+          } else if (
+            bestContainerMatch.container.type === 'subflowNode' &&
+            (bestContainerMatch.container.data as any)?.kind === 'parallel'
+          ) {
             containerElement.classList.add('parallel-node-drag-over')
           }
           document.body.style.cursor = 'copy'
@@ -1356,7 +1378,7 @@ const WorkflowContent = React.memo(() => {
       }
 
       // If we're dragging a container node, do additional checks to prevent circular references
-      if ((node.type === 'loopNode' || node.type === 'parallelNode') && potentialParentId) {
+      if (node.type === 'subflowNode' && potentialParentId) {
         // Get the hierarchy of the potential parent container
         const parentHierarchy = getNodeHierarchyWrapper(potentialParentId)
 

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/help-modal/help-modal.tsx

@@ -29,9 +29,7 @@ import { createLogger } from '@/lib/logs/console/logger'
 
 const logger = createLogger('HelpModal')
 
-// Define form schema
 const formSchema = z.object({
-  email: z.string().email('Please enter a valid email address'),
   subject: z.string().min(1, 'Subject is required'),
   message: z.string().min(1, 'Message is required'),
   type: z.enum(['bug', 'feedback', 'feature_request', 'other'], {
@@ -77,17 +75,35 @@ export function HelpModal({ open, onOpenChange }: HelpModalProps) {
   } = useForm<FormValues>({
     resolver: zodResolver(formSchema),
     defaultValues: {
-      email: '',
       subject: '',
       message: '',
       type: 'bug', // Set default value to 'bug'
     },
-    mode: 'onChange',
+    mode: 'onSubmit',
   })
 
+  // Reset state when modal opens/closes
+  useEffect(() => {
+    if (open) {
+      // Reset states when modal opens
+      setSubmitStatus(null)
+      setErrorMessage('')
+      setImageError(null)
+      setImages([])
+      setIsDragging(false)
+      setIsProcessing(false)
+      // Reset form to default values
+      reset({
+        subject: '',
+        message: '',
+        type: 'bug',
+      })
+    }
+  }, [open, reset])
+
   // Listen for the custom event to open the help modal
   useEffect(() => {
-    const handleOpenHelp = (event: CustomEvent) => {
+    const handleOpenHelp = () => {
       onOpenChange(true)
     }
 
@@ -268,8 +284,7 @@ export function HelpModal({ open, onOpenChange }: HelpModalProps) {
       // Create FormData to handle file uploads
       const formData = new FormData()
 
-      // Add form fields
-      formData.append('email', data.email)
+      // Add form fields (email will be retrieved server-side from session)
       formData.append('subject', data.subject)
       formData.append('message', data.message)
       formData.append('type', data.type)
@@ -377,19 +392,6 @@ export function HelpModal({ open, onOpenChange }: HelpModalProps) {
                     )}
                   </div>
 
-                  <div className='space-y-2'>
-                    <Label htmlFor='email'>Email</Label>
-                    <Input
-                      id='email'
-                      placeholder='your.email@example.com'
-                      {...register('email')}
-                      className={`h-9 rounded-[8px] ${errors.email ? 'border-red-500' : ''}`}
-                    />
-                    {errors.email && (
-                      <p className='mt-1 text-red-500 text-sm'>{errors.email.message}</p>
-                    )}
-                  </div>
-
                   <div className='space-y-2'>
                     <Label htmlFor='subject'>Subject</Label>
                     <Input
@@ -408,7 +410,7 @@ export function HelpModal({ open, onOpenChange }: HelpModalProps) {
                     <Textarea
                       id='message'
                       placeholder='Please provide details about your request...'
-                      rows={5}
+                      rows={6}
                       {...register('message')}
                       className={`rounded-[8px] ${errors.message ? 'border-red-500' : ''}`}
                     />
@@ -426,9 +428,10 @@ export function HelpModal({ open, onOpenChange }: HelpModalProps) {
                       onDragOver={handleDragOver}
                       onDragLeave={handleDragLeave}
                       onDrop={handleDrop}
-                      className={`flex items-center gap-4 ${
-                        isDragging ? 'rounded-md bg-primary/5 p-2' : ''
+                      className={`cursor-pointer rounded-lg border-2 border-muted-foreground/25 border-dashed p-6 text-center transition-colors hover:bg-muted/50 ${
+                        isDragging ? 'border-primary bg-primary/5' : ''
                       }`}
+                      onClick={() => fileInputRef.current?.click()}
                     >
                       <input
                         ref={fileInputRef}
@@ -438,17 +441,12 @@ export function HelpModal({ open, onOpenChange }: HelpModalProps) {
                         className='hidden'
                         multiple
                       />
-                      <Button
-                        type='button'
-                        variant='outline'
-                        onClick={() => fileInputRef.current?.click()}
-                        className='flex h-9 items-center justify-center gap-2 rounded-[8px]'
-                      >
-                        <Upload className='h-4 w-4' />
-                        Upload Images
-                      </Button>
-                      <p className='text-muted-foreground text-xs'>
-                        Drop images here or click to upload. Max 20MB per image.
+                      <Upload className='mx-auto mb-2 h-8 w-8 text-muted-foreground' />
+                      <p className='text-sm'>
+                        {isDragging ? 'Drop images here!' : 'Drop images here or click to browse'}
+                      </p>
+                      <p className='mt-1 text-muted-foreground text-xs'>
+                        JPEG, PNG, WebP, GIF (max 20MB each)
                       </p>
                     </div>
                     {imageError && <p className='mt-1 text-red-500 text-sm'>{imageError}</p>}
@@ -494,18 +492,13 @@ export function HelpModal({ open, onOpenChange }: HelpModalProps) {
             {/* Overlay Footer */}
             <div className='absolute inset-x-0 bottom-0 bg-background'>
               <div className='flex w-full items-center justify-between px-6 py-4'>
-                <Button
-                  variant='outline'
-                  onClick={handleClose}
-                  type='button'
-                  className='h-9 rounded-[8px]'
-                >
+                <Button variant='outline' onClick={handleClose} type='button'>
                   Cancel
                 </Button>
                 <Button
                   type='submit'
                   disabled={isSubmitting || isProcessing}
-                  className='h-9 rounded-[8px]'
+                  className='bg-[var(--brand-primary-hex)] font-[480] text-primary-foreground shadow-[0_0_0_0_var(--brand-primary-hex)] transition-all duration-200 hover:bg-[var(--brand-primary-hover-hex)] hover:shadow-[0_0_0_4px_rgba(127,47,255,0.15)] disabled:opacity-50 disabled:hover:shadow-none'
                 >
                   {isSubmitting ? 'Submitting...' : 'Submit'}
                 </Button>

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/settings-modal/components/copilot/copilot.tsx

@@ -0,0 +1,364 @@
+import { useCallback, useEffect, useState } from 'react'
+import { Check, Copy, Eye, EyeOff, KeySquare, Plus, Trash2 } from 'lucide-react'
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+  Button,
+  Card,
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  Input,
+  Label,
+  Skeleton,
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from '@/components/ui'
+import { createLogger } from '@/lib/logs/console/logger'
+
+const logger = createLogger('CopilotSettings')
+
+interface CopilotKey {
+  id: string
+  apiKey: string
+}
+
+export function Copilot() {
+  const [keys, setKeys] = useState<CopilotKey[]>([])
+  const [isLoading, setIsLoading] = useState(false)
+  const [visible, setVisible] = useState<Record<string, boolean>>({})
+
+  // Create flow state
+  const [showNewKeyDialog, setShowNewKeyDialog] = useState(false)
+  const [newKey, setNewKey] = useState<CopilotKey | null>(null)
+  const [copiedKeyIds, setCopiedKeyIds] = useState<Record<string, boolean>>({})
+  const [newKeyCopySuccess, setNewKeyCopySuccess] = useState(false)
+
+  // Delete flow state
+  const [deleteKey, setDeleteKey] = useState<CopilotKey | null>(null)
+  const [showDeleteDialog, setShowDeleteDialog] = useState(false)
+
+  const hasKeys = keys.length > 0
+
+  const maskedValue = useCallback((value: string, show: boolean) => {
+    if (show) return value
+    if (!value) return ''
+    const last6 = value.slice(-6)
+    return `••••••••••${last6}`
+  }, [])
+
+  const fetchKeys = useCallback(async () => {
+    try {
+      setIsLoading(true)
+      const res = await fetch('/api/copilot/api-keys')
+      if (!res.ok) throw new Error(`Failed to fetch: ${res.status}`)
+      const data = await res.json()
+      setKeys(Array.isArray(data.keys) ? data.keys : [])
+    } catch (error) {
+      logger.error('Failed to fetch copilot keys', { error })
+      setKeys([])
+    } finally {
+      setIsLoading(false)
+    }
+  }, [])
+
+  useEffect(() => {
+    fetchKeys()
+  }, [fetchKeys])
+
+  const onGenerate = async () => {
+    try {
+      setIsLoading(true)
+      const res = await fetch('/api/copilot/api-keys/generate', { method: 'POST' })
+      if (!res.ok) {
+        const body = await res.json().catch(() => ({}))
+        throw new Error(body.error || 'Failed to generate API key')
+      }
+      const data = await res.json()
+      // Show the new key dialog with the API key (only shown once)
+      if (data?.key) {
+        setNewKey(data.key)
+        setShowNewKeyDialog(true)
+      }
+      await fetchKeys()
+    } catch (error) {
+      logger.error('Failed to generate copilot API key', { error })
+    } finally {
+      setIsLoading(false)
+    }
+  }
+
+  const onDelete = async (id: string) => {
+    try {
+      setIsLoading(true)
+      const res = await fetch(`/api/copilot/api-keys?id=${encodeURIComponent(id)}`, {
+        method: 'DELETE',
+      })
+      if (!res.ok) {
+        const body = await res.json().catch(() => ({}))
+        throw new Error(body.error || 'Failed to delete API key')
+      }
+      await fetchKeys()
+    } catch (error) {
+      logger.error('Failed to delete copilot API key', { error })
+    } finally {
+      setIsLoading(false)
+    }
+  }
+
+  const onCopy = async (value: string, keyId?: string) => {
+    try {
+      await navigator.clipboard.writeText(value)
+      if (keyId) {
+        setCopiedKeyIds((prev) => ({ ...prev, [keyId]: true }))
+        setTimeout(() => {
+          setCopiedKeyIds((prev) => ({ ...prev, [keyId]: false }))
+        }, 1500)
+      } else {
+        setNewKeyCopySuccess(true)
+        setTimeout(() => setNewKeyCopySuccess(false), 1500)
+      }
+    } catch (error) {
+      logger.error('Copy failed', { error })
+    }
+  }
+
+  // UI helpers
+  const isFetching = isLoading && keys.length === 0
+
+  return (
+    <div className='space-y-6 p-6'>
+      <h2 className='font-semibold text-xl'>Copilot API Keys</h2>
+
+      <p className='text-muted-foreground text-sm leading-relaxed'>
+        Copilot API keys let you authenticate requests to the Copilot endpoints. Keep keys secret
+        and rotate them regularly.
+      </p>
+      <p className='text-muted-foreground text-xs italic'>
+        For external deployments, set the <span className='font-mono'>COPILOT_API_KEY</span>{' '}
+        environment variable on that instance to one of the keys generated here.
+      </p>
+
+      {isFetching ? (
+        <div className='mt-6 space-y-3'>
+          <Card className='p-4'>
+            <div className='flex items-center justify-between'>
+              <div>
+                <Skeleton className='mb-2 h-5 w-32' />
+                <Skeleton className='h-4 w-48' />
+              </div>
+              <Skeleton className='h-8 w-8 rounded-md' />
+            </div>
+          </Card>
+          <Card className='p-4'>
+            <div className='flex items-center justify-between'>
+              <div>
+                <Skeleton className='mb-2 h-5 w-28' />
+                <Skeleton className='h-4 w-40' />
+              </div>
+              <Skeleton className='h-8 w-8 rounded-md' />
+            </div>
+          </Card>
+        </div>
+      ) : !hasKeys ? (
+        <div className='mt-6 rounded-md border border-dashed p-8'>
+          <div className='flex flex-col items-center justify-center text-center'>
+            <div className='flex h-12 w-12 items-center justify-center rounded-full bg-muted'>
+              <KeySquare className='h-6 w-6 text-primary' />
+            </div>
+            <h3 className='mt-4 font-medium text-lg'>No Copilot keys yet</h3>
+            <p className='mt-2 max-w-sm text-muted-foreground text-sm'>
+              Generate a Copilot API key to authenticate requests to the Copilot SDK and methods.
+            </p>
+            <Button
+              variant='default'
+              className='mt-4'
+              onClick={onGenerate}
+              size='sm'
+              disabled={isLoading}
+            >
+              <Plus className='mr-1.5 h-4 w-4' /> Generate Key
+            </Button>
+          </div>
+        </div>
+      ) : (
+        <div className='mt-6 space-y-4'>
+          {keys.map((k) => {
+            const isVisible = !!visible[k.id]
+            const value = maskedValue(k.apiKey, isVisible)
+            return (
+              <Card key={k.id} className='p-4 transition-shadow hover:shadow-sm'>
+                <div className='flex items-center justify-between gap-4'>
+                  <div className='min-w-0 flex-1'>
+                    <div className='rounded bg-muted/50 px-2 py-1 font-mono text-sm'>{value}</div>
+                  </div>
+                  <div className='flex items-center gap-2'>
+                    <TooltipProvider>
+                      <Tooltip>
+                        <TooltipTrigger asChild>
+                          <Button
+                            variant='secondary'
+                            size='icon'
+                            onClick={() => setVisible((v) => ({ ...v, [k.id]: !isVisible }))}
+                            className='h-8 w-8'
+                          >
+                            {isVisible ? (
+                              <EyeOff className='h-4 w-4' />
+                            ) : (
+                              <Eye className='h-4 w-4' />
+                            )}
+                          </Button>
+                        </TooltipTrigger>
+                        <TooltipContent>{isVisible ? 'Hide' : 'Reveal'}</TooltipContent>
+                      </Tooltip>
+                    </TooltipProvider>
+
+                    <TooltipProvider>
+                      <Tooltip>
+                        <TooltipTrigger asChild>
+                          <Button
+                            variant='secondary'
+                            size='icon'
+                            onClick={() => onCopy(k.apiKey, k.id)}
+                            className='h-8 w-8'
+                          >
+                            {copiedKeyIds[k.id] ? (
+                              <Check className='h-4 w-4 text-green-500' />
+                            ) : (
+                              <Copy className='h-4 w-4' />
+                            )}
+                          </Button>
+                        </TooltipTrigger>
+                        <TooltipContent>Copy</TooltipContent>
+                      </Tooltip>
+                    </TooltipProvider>
+
+                    <TooltipProvider>
+                      <Tooltip>
+                        <TooltipTrigger asChild>
+                          <Button
+                            variant='ghost'
+                            size='icon'
+                            onClick={() => {
+                              setDeleteKey(k)
+                              setShowDeleteDialog(true)
+                            }}
+                            className='h-8 w-8 text-destructive hover:bg-destructive/10'
+                          >
+                            <Trash2 className='h-4 w-4' />
+                          </Button>
+                        </TooltipTrigger>
+                        <TooltipContent>Delete</TooltipContent>
+                      </Tooltip>
+                    </TooltipProvider>
+                  </div>
+                </div>
+              </Card>
+            )
+          })}
+        </div>
+      )}
+
+      {/* New Key Dialog */}
+      <Dialog
+        open={showNewKeyDialog}
+        onOpenChange={(open) => {
+          setShowNewKeyDialog(open)
+          if (!open) setNewKey(null)
+        }}
+      >
+        <DialogContent className='sm:max-w-md'>
+          <DialogHeader>
+            <DialogTitle>Your Copilot API key has been created</DialogTitle>
+            <DialogDescription>
+              This is the only time you will see the full key. Copy it now and store it securely.
+            </DialogDescription>
+          </DialogHeader>
+          {newKey && (
+            <div className='space-y-4 py-3'>
+              <div className='space-y-2'>
+                <Label>API Key</Label>
+                <div className='relative'>
+                  <Input
+                    readOnly
+                    value={newKey.apiKey}
+                    className='border-slate-300 bg-muted/50 pr-10 font-mono text-sm'
+                  />
+                  <Button
+                    variant='ghost'
+                    size='sm'
+                    className='-translate-y-1/2 absolute top-1/2 right-1 h-7 w-7'
+                    onClick={() => onCopy(newKey.apiKey)}
+                  >
+                    {newKeyCopySuccess ? (
+                      <Check className='h-4 w-4 text-green-500' />
+                    ) : (
+                      <Copy className='h-4 w-4' />
+                    )}
+                    <span className='sr-only'>Copy to clipboard</span>
+                  </Button>
+                </div>
+                <p className='mt-1 text-muted-foreground text-xs'>
+                  For security, we don't store the complete key. You won't be able to view it again.
+                </p>
+              </div>
+            </div>
+          )}
+          <DialogFooter className='sm:justify-end'>
+            <Button
+              onClick={() => {
+                setShowNewKeyDialog(false)
+                setNewKey(null)
+              }}
+            >
+              Close
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+
+      {/* Delete Confirmation Dialog */}
+      <AlertDialog open={showDeleteDialog} onOpenChange={setShowDeleteDialog}>
+        <AlertDialogContent className='sm:max-w-md'>
+          <AlertDialogHeader>
+            <AlertDialogTitle>Delete Copilot API Key</AlertDialogTitle>
+            <AlertDialogDescription>
+              {deleteKey && (
+                <>
+                  Are you sure you want to delete this Copilot API key? This action cannot be
+                  undone.
+                </>
+              )}
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter className='gap-2 sm:justify-end'>
+            <AlertDialogCancel onClick={() => setDeleteKey(null)}>Cancel</AlertDialogCancel>
+            <AlertDialogAction
+              onClick={() => {
+                if (deleteKey) {
+                  onDelete(deleteKey.id)
+                }
+                setShowDeleteDialog(false)
+                setDeleteKey(null)
+              }}
+              className='bg-destructive text-destructive-foreground hover:bg-destructive/90'
+            >
+              Delete
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
+    </div>
+  )
+}

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/settings-modal/components/index.ts

@@ -1,5 +1,6 @@
 export { Account } from './account/account'
 export { ApiKeys } from './api-keys/api-keys'
+export { Copilot } from './copilot/copilot'
 export { Credentials } from './credentials/credentials'
 export { EnvironmentVariables } from './environment/environment'
 export { General } from './general/general'

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/settings-modal/components/settings-navigation/settings-navigation.tsx

@@ -1,4 +1,5 @@
 import {
+  Bot,
   CreditCard,
   KeyRound,
   KeySquare,
@@ -8,10 +9,13 @@ import {
   UserCircle,
   Users,
 } from 'lucide-react'
-import { isBillingEnabled } from '@/lib/environment'
+import { getEnv, isTruthy } from '@/lib/env'
+import { isHosted } from '@/lib/environment'
 import { cn } from '@/lib/utils'
 import { useSubscriptionStore } from '@/stores/subscription/store'
 
+const isBillingEnabled = isTruthy(getEnv('NEXT_PUBLIC_BILLING_ENABLED'))
+
 interface SettingsNavigationProps {
   activeSection: string
   onSectionChange: (
@@ -24,6 +28,7 @@ interface SettingsNavigationProps {
       | 'subscription'
       | 'team'
       | 'privacy'
+      | 'copilot'
   ) => void
   hasOrganization: boolean
 }
@@ -37,6 +42,7 @@ type NavigationItem = {
     | 'apikeys'
     | 'subscription'
     | 'team'
+    | 'copilot'
     | 'privacy'
   label: string
   icon: React.ComponentType<{ className?: string }>
@@ -70,6 +76,11 @@ const allNavigationItems: NavigationItem[] = [
     label: 'API Keys',
     icon: KeySquare,
   },
+  {
+    id: 'copilot',
+    label: 'Copilot',
+    icon: Bot,
+  },
   {
     id: 'privacy',
     label: 'Privacy',
@@ -99,6 +110,9 @@ export function SettingsNavigation({
   const subscription = getSubscriptionStatus()
 
   const navigationItems = allNavigationItems.filter((item) => {
+    if (item.id === 'copilot' && !isHosted) {
+      return false
+    }
     if (item.hideWhenBillingDisabled && !isBillingEnabled) {
       return false
     }

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/settings-modal/settings-modal.tsx

@@ -3,12 +3,14 @@
 import { useEffect, useRef, useState } from 'react'
 import { X } from 'lucide-react'
 import { Button, Dialog, DialogContent, DialogHeader, DialogTitle } from '@/components/ui'
-import { isBillingEnabled } from '@/lib/environment'
+import { getEnv, isTruthy } from '@/lib/env'
+import { isHosted } from '@/lib/environment'
 import { createLogger } from '@/lib/logs/console/logger'
 import { cn } from '@/lib/utils'
 import {
   Account,
   ApiKeys,
+  Copilot,
   Credentials,
   EnvironmentVariables,
   General,
@@ -22,6 +24,8 @@ import { useGeneralStore } from '@/stores/settings/general/store'
 
 const logger = createLogger('SettingsModal')
 
+const isBillingEnabled = isTruthy(getEnv('NEXT_PUBLIC_BILLING_ENABLED'))
+
 interface SettingsModalProps {
   open: boolean
   onOpenChange: (open: boolean) => void
@@ -36,6 +40,7 @@ type SettingsSection =
   | 'subscription'
   | 'team'
   | 'privacy'
+  | 'copilot'
 
 export function SettingsModal({ open, onOpenChange }: SettingsModalProps) {
   const [activeSection, setActiveSection] = useState<SettingsSection>('general')
@@ -146,6 +151,11 @@ export function SettingsModal({ open, onOpenChange }: SettingsModalProps) {
                 <TeamManagement />
               </div>
             )}
+            {isHosted && (
+              <div className={cn('h-full', activeSection === 'copilot' ? 'block' : 'hidden')}>
+                <Copilot />
+              </div>
+            )}
             <div className={cn('h-full', activeSection === 'privacy' ? 'block' : 'hidden')}>
               <Privacy />
             </div>

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/sidebar.tsx

@@ -5,7 +5,7 @@ import { HelpCircle, LibraryBig, ScrollText, Search, Settings, Shapes } from 'lu
 import { useParams, usePathname, useRouter } from 'next/navigation'
 import { Button, ScrollArea, Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui'
 import { useSession } from '@/lib/auth-client'
-import { isBillingEnabled } from '@/lib/environment'
+import { getEnv, isTruthy } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
 import { generateWorkspaceName } from '@/lib/naming'
 import { cn } from '@/lib/utils'
@@ -38,6 +38,8 @@ const logger = createLogger('Sidebar')
 
 const SIDEBAR_GAP = 12 // 12px gap between components - easily editable
 
+const isBillingEnabled = isTruthy(getEnv('NEXT_PUBLIC_BILLING_ENABLED'))
+
 /**
  * Optimized auto-scroll hook for smooth drag operations
  * Extracted outside component for better performance

apps/sim/app/workspace/[workspaceId]/w/components/workflow-preview/workflow-preview.tsx

@@ -15,8 +15,7 @@ import 'reactflow/dist/style.css'
 
 import { createLogger } from '@/lib/logs/console/logger'
 import { cn } from '@/lib/utils'
-import { LoopNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/loop/loop-node'
-import { ParallelNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/parallel/parallel-node'
+import { SubflowNodeComponent } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/subflows/subflow-node'
 import { WorkflowBlock } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/workflow-block'
 import { WorkflowEdge } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-edge/workflow-edge'
 import { getBlock } from '@/blocks'
@@ -39,8 +38,7 @@ interface WorkflowPreviewProps {
 // Define node types - the components now handle preview mode internally
 const nodeTypes: NodeTypes = {
   workflowBlock: WorkflowBlock,
-  loopNode: LoopNodeComponent,
-  parallelNode: ParallelNodeComponent,
+  subflowNode: SubflowNodeComponent,
 }
 
 // Define edge types
@@ -131,7 +129,7 @@ export function WorkflowPreview({
       if (block.type === 'loop') {
         nodeArray.push({
           id: block.id,
-          type: 'loopNode',
+          type: 'subflowNode',
           position: absolutePosition,
           parentId: block.data?.parentId,
           extent: block.data?.extent || undefined,
@@ -142,6 +140,7 @@ export function WorkflowPreview({
             height: block.data?.height || 300,
             state: 'valid',
             isPreview: true,
+            kind: 'loop',
           },
         })
         return
@@ -150,7 +149,7 @@ export function WorkflowPreview({
       if (block.type === 'parallel') {
         nodeArray.push({
           id: block.id,
-          type: 'parallelNode',
+          type: 'subflowNode',
           position: absolutePosition,
           parentId: block.data?.parentId,
           extent: block.data?.extent || undefined,
@@ -161,6 +160,7 @@ export function WorkflowPreview({
             height: block.data?.height || 300,
             state: 'valid',
             isPreview: true,
+            kind: 'parallel',
           },
         })
         return

apps/sim/components/ui/tag-dropdown.tsx

@@ -5,12 +5,14 @@ import { BlockPathCalculator } from '@/lib/block-path-calculator'
 import { extractFieldsFromSchema, parseResponseFormatSafely } from '@/lib/response-format'
 import { cn } from '@/lib/utils'
 import { getBlock } from '@/blocks'
+import type { BlockConfig } from '@/blocks/types'
 import { Serializer } from '@/serializer'
 import { useVariablesStore } from '@/stores/panel/variables/store'
 import type { Variable } from '@/stores/panel/variables/types'
 import { useWorkflowRegistry } from '@/stores/workflows/registry/store'
 import { useSubBlockStore } from '@/stores/workflows/subblock/store'
 import { useWorkflowStore } from '@/stores/workflows/workflow/store'
+import type { BlockState } from '@/stores/workflows/workflow/types'
 import { getTool } from '@/tools/utils'
 import { getTriggersByProvider } from '@/triggers'
 
@@ -51,8 +53,8 @@ export const checkTagTrigger = (text: string, cursorPosition: number): { show: b
 const BLOCK_COLORS = {
   VARIABLE: '#2F8BFF',
   DEFAULT: '#2F55FF',
-  LOOP: '#8857E6',
-  PARALLEL: '#FF5757',
+  LOOP: '#2FB3FF',
+  PARALLEL: '#FEE12B',
 } as const
 
 const TAG_PREFIXES = {
@@ -73,11 +75,11 @@ const getSubBlockValue = (blockId: string, property: string): any => {
 
 const createTagEventHandlers = (
   tag: string,
-  group: any,
+  group: BlockTagGroup | undefined,
   tagIndex: number,
-  handleTagSelect: (tag: string, group?: any) => void,
+  handleTagSelect: (tag: string, group?: BlockTagGroup) => void,
   setSelectedIndex: (index: number) => void,
-  setHoveredNested: (value: any) => void
+  setHoveredNested: (value: { tag: string; index: number } | null) => void
 ) => ({
   onMouseEnter: () => {
     setSelectedIndex(tagIndex >= 0 ? tagIndex : 0)
@@ -96,8 +98,8 @@ const createTagEventHandlers = (
 })
 
 const getOutputTypeForPath = (
-  block: any,
-  blockConfig: any,
+  block: BlockState,
+  blockConfig: BlockConfig | null,
   blockId: string,
   outputPath: string
 ): string => {
@@ -137,7 +139,9 @@ const getOutputTypeForPath = (
     // For API mode, check inputFormat for custom field types
     const inputFormatValue = getSubBlockValue(blockId, 'inputFormat')
     if (inputFormatValue && Array.isArray(inputFormatValue)) {
-      const field = inputFormatValue.find((f: any) => f.name === outputPath)
+      const field = inputFormatValue.find(
+        (f: { name?: string; type?: string }) => f.name === outputPath
+      )
       if (field?.type) {
         return field.type
       }
@@ -224,7 +228,7 @@ const generateOutputPathsWithTypes = (
   return paths
 }
 
-const generateToolOutputPaths = (blockConfig: any, operation: string): string[] => {
+const generateToolOutputPaths = (blockConfig: BlockConfig, operation: string): string[] => {
   if (!blockConfig?.tools?.config?.tool) return []
 
   try {
@@ -244,7 +248,7 @@ const generateToolOutputPaths = (blockConfig: any, operation: string): string[]
   }
 }
 
-const getToolOutputType = (blockConfig: any, operation: string, path: string): string => {
+const getToolOutputType = (blockConfig: BlockConfig, operation: string, path: string): string => {
   if (!blockConfig?.tools?.config?.tool) return 'any'
 
   try {
@@ -366,9 +370,9 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
         const metricsValue = getSubBlockValue(activeSourceBlockId, 'metrics')
 
         if (metricsValue && Array.isArray(metricsValue) && metricsValue.length > 0) {
-          const validMetrics = metricsValue.filter((metric: any) => metric?.name)
+          const validMetrics = metricsValue.filter((metric: { name?: string }) => metric?.name)
           blockTags = validMetrics.map(
-            (metric: any) => `${normalizedBlockName}.${metric.name.toLowerCase()}`
+            (metric: { name: string }) => `${normalizedBlockName}.${metric.name.toLowerCase()}`
           )
         } else {
           const outputPaths = generateOutputPaths(blockConfig.outputs)
@@ -402,8 +406,8 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
               inputFormatValue.length > 0
             ) {
               blockTags = inputFormatValue
-                .filter((field: any) => field.name && field.name.trim() !== '')
-                .map((field: any) => `${normalizedBlockName}.${field.name}`)
+                .filter((field: { name?: string }) => field.name && field.name.trim() !== '')
+                .map((field: { name: string }) => `${normalizedBlockName}.${field.name}`)
             } else {
               blockTags = [normalizedBlockName]
             }
@@ -556,9 +560,14 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
     )
     let containingParallelBlockId: string | null = null
     if (containingParallel) {
-      const [parallelId] = containingParallel
+      const [parallelId, parallel] = containingParallel
       containingParallelBlockId = parallelId
-      const contextualTags: string[] = ['index', 'currentItem', 'items']
+      const parallelType = parallel.parallelType || 'count'
+      const contextualTags: string[] = ['index']
+      if (parallelType === 'collection') {
+        contextualTags.push('currentItem')
+        contextualTags.push('items')
+      }
 
       const containingParallelBlock = blocks[parallelId]
       if (containingParallelBlock) {
@@ -629,9 +638,9 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
         const metricsValue = getSubBlockValue(accessibleBlockId, 'metrics')
 
         if (metricsValue && Array.isArray(metricsValue) && metricsValue.length > 0) {
-          const validMetrics = metricsValue.filter((metric: any) => metric?.name)
+          const validMetrics = metricsValue.filter((metric: { name?: string }) => metric?.name)
           blockTags = validMetrics.map(
-            (metric: any) => `${normalizedBlockName}.${metric.name.toLowerCase()}`
+            (metric: { name: string }) => `${normalizedBlockName}.${metric.name.toLowerCase()}`
           )
         } else {
           const outputPaths = generateOutputPaths(blockConfig.outputs)
@@ -665,8 +674,8 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
               inputFormatValue.length > 0
             ) {
               blockTags = inputFormatValue
-                .filter((field: any) => field.name && field.name.trim() !== '')
-                .map((field: any) => `${normalizedBlockName}.${field.name}`)
+                .filter((field: { name?: string }) => field.name && field.name.trim() !== '')
+                .map((field: { name: string }) => `${normalizedBlockName}.${field.name}`)
             } else {
               blockTags = [normalizedBlockName]
             }
@@ -880,8 +889,8 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
           liveCursor = activeEl.selectionStart ?? cursorPosition
           // Prefer the active element value if present. This ensures we include the most
           // recently typed character(s) that might not yet be reflected in React state.
-          if (typeof (activeEl as any).value === 'string') {
-            liveValue = (activeEl as any).value
+          if ('value' in activeEl && typeof activeEl.value === 'string') {
+            liveValue = activeEl.value
           }
         }
       }
@@ -1289,7 +1298,7 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
 
                                 tagDescription = getOutputTypeForPath(
                                   block,
-                                  blockConfig,
+                                  blockConfig || null,
                                   group.blockId,
                                   outputPath
                                 )
@@ -1429,7 +1438,7 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
 
                                         childType = getOutputTypeForPath(
                                           block,
-                                          blockConfig,
+                                          blockConfig || null,
                                           group.blockId,
                                           childOutputPath
                                         )

apps/sim/db/migrations/0074_abnormal_dreadnoughts.sql

@@ -0,0 +1,13 @@
+CREATE TABLE "copilot_api_keys" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"user_id" text NOT NULL,
+	"api_key_encrypted" text NOT NULL,
+	"api_key_lookup" text NOT NULL
+);
+--> statement-breakpoint
+ALTER TABLE "user_stats" ADD COLUMN "total_copilot_cost" numeric DEFAULT '0' NOT NULL;--> statement-breakpoint
+ALTER TABLE "user_stats" ADD COLUMN "total_copilot_tokens" integer DEFAULT 0 NOT NULL;--> statement-breakpoint
+ALTER TABLE "user_stats" ADD COLUMN "total_copilot_calls" integer DEFAULT 0 NOT NULL;--> statement-breakpoint
+ALTER TABLE "copilot_api_keys" ADD CONSTRAINT "copilot_api_keys_user_id_user_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."user"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE INDEX "copilot_api_keys_api_key_encrypted_hash_idx" ON "copilot_api_keys" USING hash ("api_key_encrypted");--> statement-breakpoint
+CREATE INDEX "copilot_api_keys_lookup_hash_idx" ON "copilot_api_keys" USING hash ("api_key_lookup");

apps/sim/db/migrations/0075_lush_moonstone.sql

@@ -0,0 +1 @@
+ALTER TABLE "workflow" DROP COLUMN "state";

apps/sim/db/migrations/0076_damp_vector.sql

@@ -0,0 +1,167 @@
+-- One-shot data migration to create/populate execution_data & cost, then drop legacy columns
+-- Safe on reruns and across differing prior schemas
+-- Note: Depending on runner timeouts, might have to be run manually
+-- 1) Ensure execution_data exists (prefer rename if only metadata exists)
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_schema = 'public' AND table_name = 'workflow_execution_logs' AND column_name = 'metadata'
+  ) AND NOT EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_schema = 'public' AND table_name = 'workflow_execution_logs' AND column_name = 'execution_data'
+  ) THEN
+    EXECUTE 'ALTER TABLE workflow_execution_logs RENAME COLUMN metadata TO execution_data';
+  END IF;
+END $$;--> statement-breakpoint
+
+ALTER TABLE "workflow_execution_logs"
+  ADD COLUMN IF NOT EXISTS "execution_data" jsonb NOT NULL DEFAULT '{}'::jsonb,
+  ADD COLUMN IF NOT EXISTS "cost" jsonb;--> statement-breakpoint
+
+-- Process the backfill in batches to avoid large temporary files on big datasets
+DO $$
+DECLARE
+  v_batch_size integer := 500; -- keep batches small to avoid timeouts/spills
+  v_rows_updated integer := 0;
+  v_rows_selected integer := 0;
+  v_last_id text := '';
+  v_last_created_at timestamp := '1970-01-01 00:00:00';
+BEGIN
+  -- modest per-statement timeout; adjust based on observed per-batch runtime
+  PERFORM set_config('statement_timeout', '180s', true);
+  LOOP
+    CREATE TEMP TABLE IF NOT EXISTS _tmp_candidate_ids(id text, created_at timestamp) ON COMMIT DROP;
+    TRUNCATE _tmp_candidate_ids;
+    INSERT INTO _tmp_candidate_ids(id, created_at)
+    SELECT id, created_at
+    FROM workflow_execution_logs
+    WHERE (created_at, id) > (v_last_created_at, v_last_id) AND cost IS NULL
+    ORDER BY created_at, id
+    LIMIT v_batch_size;
+
+    SELECT COUNT(*) INTO v_rows_selected FROM _tmp_candidate_ids;
+    EXIT WHEN v_rows_selected = 0;
+    SELECT created_at, id
+    INTO v_last_created_at, v_last_id
+    FROM _tmp_candidate_ids
+    ORDER BY created_at DESC, id DESC
+    LIMIT 1;
+
+    WITH RECURSIVE
+    spans AS (
+      SELECT l.id, s.span
+      FROM workflow_execution_logs l
+      JOIN _tmp_candidate_ids c ON c.id = l.id
+      LEFT JOIN LATERAL jsonb_array_elements(
+        COALESCE(
+          CASE
+            WHEN jsonb_typeof(l.execution_data->'traceSpans') = 'array' THEN l.execution_data->'traceSpans'
+            ELSE '[]'::jsonb
+          END
+        )
+      ) s(span) ON true
+      UNION ALL
+      SELECT spans.id, c.span
+      FROM spans
+      JOIN LATERAL jsonb_array_elements(COALESCE(spans.span->'children','[]'::jsonb)) c(span) ON true
+    ),
+    agg AS (
+      SELECT id,
+             SUM(COALESCE((span->'cost'->>'input')::numeric,0)) AS agg_input,
+             SUM(COALESCE((span->'cost'->>'output')::numeric,0)) AS agg_output,
+             SUM(COALESCE((span->'cost'->>'total')::numeric,0)) AS agg_total,
+             SUM(COALESCE((span->'cost'->'tokens'->>'prompt')::numeric, COALESCE((span->'tokens'->>'prompt')::numeric,0))) AS agg_tokens_prompt,
+             SUM(COALESCE((span->'cost'->'tokens'->>'completion')::numeric, COALESCE((span->'tokens'->>'completion')::numeric,0))) AS agg_tokens_completion,
+             SUM(COALESCE((span->'cost'->'tokens'->>'total')::numeric, COALESCE((span->'tokens'->>'total')::numeric,0))) AS agg_tokens_total
+      FROM spans
+      GROUP BY id
+    ),
+    model_rows AS (
+      SELECT id,
+             (span->'cost'->>'model') AS model,
+             COALESCE((span->'cost'->>'input')::numeric,0) AS input,
+             COALESCE((span->'cost'->>'output')::numeric,0) AS output,
+             COALESCE((span->'cost'->>'total')::numeric,0) AS total,
+             COALESCE((span->'cost'->'tokens'->>'prompt')::numeric,0) AS tokens_prompt,
+             COALESCE((span->'cost'->'tokens'->>'completion')::numeric,0) AS tokens_completion,
+             COALESCE((span->'cost'->'tokens'->>'total')::numeric,0) AS tokens_total
+      FROM spans
+      WHERE span ? 'cost' AND (span->'cost'->>'model') IS NOT NULL
+    ),
+    model_sums AS (
+      SELECT id,
+             model,
+             SUM(input) AS input,
+             SUM(output) AS output,
+             SUM(total) AS total,
+             SUM(tokens_prompt) AS tokens_prompt,
+             SUM(tokens_completion) AS tokens_completion,
+             SUM(tokens_total) AS tokens_total
+      FROM model_rows
+      GROUP BY id, model
+    ),
+    models AS (
+      SELECT id,
+             jsonb_object_agg(model, jsonb_build_object(
+               'input', input,
+               'output', output,
+               'total', total,
+               'tokens', jsonb_build_object(
+                 'prompt', tokens_prompt,
+                 'completion', tokens_completion,
+                 'total', tokens_total
+               )
+             )) AS models
+      FROM model_sums
+      GROUP BY id
+    ),
+    tb AS (
+      SELECT l.id,
+             NULLIF((l.execution_data->'tokenBreakdown'->>'prompt')::numeric, 0) AS prompt,
+             NULLIF((l.execution_data->'tokenBreakdown'->>'completion')::numeric, 0) AS completion
+      FROM workflow_execution_logs l
+      JOIN _tmp_candidate_ids c ON c.id = l.id
+    )
+    UPDATE workflow_execution_logs AS l
+    SET cost = jsonb_strip_nulls(
+      jsonb_build_object(
+        'total', COALESCE((to_jsonb(l)->>'total_cost')::numeric, NULLIF(agg.agg_total,0)),
+        'input', COALESCE((to_jsonb(l)->>'total_input_cost')::numeric, NULLIF(agg.agg_input,0)),
+        'output', COALESCE((to_jsonb(l)->>'total_output_cost')::numeric, NULLIF(agg.agg_output,0)),
+        'tokens', CASE
+          WHEN (to_jsonb(l) ? 'total_tokens') OR tb.prompt IS NOT NULL OR tb.completion IS NOT NULL OR NULLIF(agg.agg_tokens_total,0) IS NOT NULL THEN
+            jsonb_strip_nulls(
+              jsonb_build_object(
+                'total', COALESCE((to_jsonb(l)->>'total_tokens')::numeric, NULLIF(agg.agg_tokens_total,0)),
+                'prompt', COALESCE(tb.prompt, NULLIF(agg.agg_tokens_prompt,0)),
+                'completion', COALESCE(tb.completion, NULLIF(agg.agg_tokens_completion,0))
+              )
+            )
+          ELSE NULL
+        END,
+        'models', models.models
+      )
+    )
+    FROM agg
+    LEFT JOIN models ON models.id = agg.id
+    LEFT JOIN tb ON tb.id = agg.id
+    WHERE l.id = agg.id;
+
+    GET DIAGNOSTICS v_rows_updated = ROW_COUNT;
+    -- continue advancing by id until no more rows are selected
+  END LOOP;
+END $$;--> statement-breakpoint
+
+-- 3) Drop legacy columns now that backfill is complete
+ALTER TABLE "workflow_execution_logs"
+  DROP COLUMN IF EXISTS "message",
+  DROP COLUMN IF EXISTS "block_count",
+  DROP COLUMN IF EXISTS "success_count",
+  DROP COLUMN IF EXISTS "error_count",
+  DROP COLUMN IF EXISTS "skipped_count",
+  DROP COLUMN IF EXISTS "total_cost",
+  DROP COLUMN IF EXISTS "total_input_cost",
+  DROP COLUMN IF EXISTS "total_output_cost",
+  DROP COLUMN IF EXISTS "total_tokens",
+  DROP COLUMN IF EXISTS "metadata";

apps/sim/db/migrations/meta/_journal.json

@@ -512,6 +512,27 @@
       "when": 1755286337930,
       "tag": "0073_hot_champions",
       "breakpoints": true
+    },
+    {
+      "idx": 74,
+      "version": "7",
+      "when": 1755304368539,
+      "tag": "0074_abnormal_dreadnoughts",
+      "breakpoints": true
+    },
+    {
+      "idx": 75,
+      "version": "7",
+      "when": 1755319635487,
+      "tag": "0075_lush_moonstone",
+      "breakpoints": true
+    },
+    {
+      "idx": 76,
+      "version": "7",
+      "when": 1755375658161,
+      "tag": "0076_damp_vector",
+      "breakpoints": true
     }
   ]
 }

apps/sim/db/schema.ts

@@ -121,8 +121,6 @@ export const workflow = pgTable(
     folderId: text('folder_id').references(() => workflowFolder.id, { onDelete: 'set null' }),
     name: text('name').notNull(),
     description: text('description'),
-    // DEPRECATED: Use normalized tables (workflow_blocks, workflow_edges, workflow_subflows) instead
-    state: json('state').notNull(),
     color: text('color').notNull().default('#3972F6'),
     lastSynced: timestamp('last_synced').notNull(),
     createdAt: timestamp('created_at').notNull(),
@@ -130,7 +128,6 @@ export const workflow = pgTable(
     isDeployed: boolean('is_deployed').notNull().default(false),
     deployedState: json('deployed_state'),
     deployedAt: timestamp('deployed_at'),
-    // When set, only this API key is authorized for execution
     pinnedApiKey: text('pinned_api_key'),
     collaborators: json('collaborators').notNull().default('[]'),
     runCount: integer('run_count').notNull().default(0),
@@ -285,24 +282,14 @@ export const workflowExecutionLogs = pgTable(
       .references(() => workflowExecutionSnapshots.id),
 
     level: text('level').notNull(), // 'info', 'error'
-    message: text('message').notNull(),
     trigger: text('trigger').notNull(), // 'api', 'webhook', 'schedule', 'manual', 'chat'
 
     startedAt: timestamp('started_at').notNull(),
     endedAt: timestamp('ended_at'),
     totalDurationMs: integer('total_duration_ms'),
 
-    blockCount: integer('block_count').notNull().default(0),
-    successCount: integer('success_count').notNull().default(0),
-    errorCount: integer('error_count').notNull().default(0),
-    skippedCount: integer('skipped_count').notNull().default(0),
-
-    totalCost: decimal('total_cost', { precision: 10, scale: 6 }),
-    totalInputCost: decimal('total_input_cost', { precision: 10, scale: 6 }),
-    totalOutputCost: decimal('total_output_cost', { precision: 10, scale: 6 }),
-    totalTokens: integer('total_tokens'),
-
-    metadata: jsonb('metadata').notNull().default('{}'),
+    executionData: jsonb('execution_data').notNull().default('{}'),
+    cost: jsonb('cost'),
     files: jsonb('files'), // File metadata for execution files
     createdAt: timestamp('created_at').notNull().defaultNow(),
   },
@@ -465,6 +452,10 @@ export const userStats = pgTable('user_stats', {
   billingPeriodStart: timestamp('billing_period_start').defaultNow(), // When current billing period started
   billingPeriodEnd: timestamp('billing_period_end'), // When current billing period ends
   lastPeriodCost: decimal('last_period_cost').default('0'), // Usage from previous billing period
+  // Copilot usage tracking
+  totalCopilotCost: decimal('total_copilot_cost').notNull().default('0'),
+  totalCopilotTokens: integer('total_copilot_tokens').notNull().default(0),
+  totalCopilotCalls: integer('total_copilot_calls').notNull().default(0),
   lastActive: timestamp('last_active').notNull().defaultNow(),
 })
 
@@ -1178,3 +1169,25 @@ export const copilotFeedback = pgTable(
     createdAtIdx: index('copilot_feedback_created_at_idx').on(table.createdAt),
   })
 )
+
+export const copilotApiKeys = pgTable(
+  'copilot_api_keys',
+  {
+    id: uuid('id').primaryKey().defaultRandom(),
+    userId: text('user_id')
+      .notNull()
+      .references(() => user.id, { onDelete: 'cascade' }),
+    apiKeyEncrypted: text('api_key_encrypted').notNull(),
+    apiKeyLookup: text('api_key_lookup').notNull(),
+  },
+  (table) => ({
+    apiKeyEncryptedHashIdx: index('copilot_api_keys_api_key_encrypted_hash_idx').using(
+      'hash',
+      table.apiKeyEncrypted
+    ),
+    apiKeyLookupHashIdx: index('copilot_api_keys_lookup_hash_idx').using(
+      'hash',
+      table.apiKeyLookup
+    ),
+  })
+)

apps/sim/executor/handlers/agent/agent-handler.ts

@@ -317,11 +317,13 @@ export class AgentBlockHandler implements BlockHandler {
   }
 
   private addUserPrompt(messages: Message[], userPrompt: any) {
-    let content = userPrompt
+    let content: string
     if (typeof userPrompt === 'object' && userPrompt.input) {
-      content = userPrompt.input
+      content = String(userPrompt.input)
     } else if (typeof userPrompt === 'object') {
       content = JSON.stringify(userPrompt)
+    } else {
+      content = String(userPrompt)
     }
 
     messages.push({ role: 'user', content })

apps/sim/lib/auth.ts

@@ -1167,9 +1167,9 @@ export const auth = betterAuth({
             stripeClient,
             stripeWebhookSecret: env.STRIPE_WEBHOOK_SECRET || '',
             createCustomerOnSignUp: true,
-            onCustomerCreate: async ({ customer, stripeCustomer, user }, request) => {
+            onCustomerCreate: async ({ stripeCustomer, user }, request) => {
               logger.info('Stripe customer created', {
-                customerId: customer.id,
+                customerId: stripeCustomer.id,
                 userId: user.id,
               })
 

apps/sim/lib/copilot/api.ts

@@ -71,6 +71,7 @@ export interface SendMessageRequest {
 export interface ApiResponse {
   success: boolean
   error?: string
+  status?: number
 }
 
 /**
@@ -86,7 +87,7 @@ export interface StreamingResponse extends ApiResponse {
 async function handleApiError(response: Response, defaultMessage: string): Promise<string> {
   try {
     const data = await response.json()
-    return data.error || defaultMessage
+    return (data && (data.error || data.message)) || defaultMessage
   } catch {
     return `${defaultMessage} (${response.status})`
   }
@@ -111,11 +112,19 @@ export async function sendStreamingMessage(
 
     if (!response.ok) {
       const errorMessage = await handleApiError(response, 'Failed to send streaming message')
-      throw new Error(errorMessage)
+      return {
+        success: false,
+        error: errorMessage,
+        status: response.status,
+      }
     }
 
     if (!response.body) {
-      throw new Error('No response body received')
+      return {
+        success: false,
+        error: 'No response body received',
+        status: 500,
+      }
     }
 
     return {

apps/sim/lib/copilot/tools/server-tools/definitions.ts

@@ -402,11 +402,11 @@ export const SERVER_TOOL_METADATA: Record<ServerToolId, ToolMetadata> = {
     id: SERVER_TOOL_IDS.GET_OAUTH_CREDENTIALS,
     displayConfig: {
       states: {
-        executing: { displayName: 'Retrieving OAuth credentials', icon: 'spinner' },
-        success: { displayName: 'Retrieved OAuth credentials', icon: 'key' },
-        rejected: { displayName: 'Skipped retrieving OAuth credentials', icon: 'skip' },
-        errored: { displayName: 'Failed to retrieve OAuth credentials', icon: 'error' },
-        aborted: { displayName: 'Retrieving OAuth credentials aborted', icon: 'x' },
+        executing: { displayName: 'Retrieving login IDs', icon: 'spinner' },
+        success: { displayName: 'Retrieved login IDs', icon: 'key' },
+        rejected: { displayName: 'Skipped retrieving login IDs', icon: 'skip' },
+        errored: { displayName: 'Failed to retrieve login IDs', icon: 'error' },
+        aborted: { displayName: 'Retrieving login IDs aborted', icon: 'x' },
       },
     },
     schema: {

apps/sim/lib/copilot/tools/server-tools/user/get-oauth-credentials.ts

@@ -1,6 +1,7 @@
 import { eq } from 'drizzle-orm'
 import { jwtDecode } from 'jwt-decode'
 import { createLogger } from '@/lib/logs/console/logger'
+import { refreshTokenIfNeeded } from '@/app/api/auth/oauth/utils'
 import { db } from '@/db'
 import { account, user } from '@/db/schema'
 import { BaseCopilotTool } from '../base'
@@ -15,6 +16,7 @@ interface OAuthCredentialItem {
   provider: string
   lastUsed: string
   isDefault: boolean
+  accessToken: string | null
 }
 
 interface GetOAuthCredentialsResult {
@@ -55,6 +57,9 @@ class GetOAuthCredentialsTool extends BaseCopilotTool<
 
     const credentials: OAuthCredentialItem[] = []
 
+    // Short request id for log correlation
+    const requestId = crypto.randomUUID().slice(0, 8)
+
     for (const acc of accounts) {
       const providerId = acc.providerId
       const [baseProvider, featureType = 'default'] = providerId.split('-')
@@ -90,12 +95,26 @@ class GetOAuthCredentialsTool extends BaseCopilotTool<
         displayName = `${acc.accountId} (${baseProvider})`
       }
 
+      // Ensure we return a valid access token, refreshing if needed
+      let accessToken: string | null = acc.accessToken ?? null
+      try {
+        const { accessToken: refreshedToken } = await refreshTokenIfNeeded(
+          requestId,
+          acc as any,
+          acc.id
+        )
+        accessToken = refreshedToken || accessToken
+      } catch (_error) {
+        // If refresh fails, we still return whatever we had (may be null)
+      }
+
       credentials.push({
         id: acc.id,
         name: displayName,
         provider: providerId,
         lastUsed: acc.updatedAt.toISOString(),
         isDefault: featureType === 'default',
+        accessToken,
       })
     }
 

apps/sim/lib/copilot/tools/server-tools/workflow/build-workflow.ts

@@ -1,5 +1,6 @@
 import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -7,8 +8,7 @@ import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/w
 import { BaseCopilotTool } from '../base'
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 interface BuildWorkflowParams {
   yamlContent: string
@@ -71,7 +71,6 @@ async function buildWorkflow(params: BuildWorkflowParams): Promise<BuildWorkflow
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
       },
       body: JSON.stringify({
         yamlContent,

apps/sim/lib/copilot/tools/server-tools/workflow/edit-workflow.ts

@@ -1,5 +1,6 @@
 import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 import { getAllBlocks } from '@/blocks/registry'
 import type { BlockConfig } from '@/blocks/types'
 import { resolveOutputType } from '@/blocks/utils'
@@ -8,8 +9,7 @@ import { generateLoopBlocks, generateParallelBlocks } from '@/stores/workflows/w
 const logger = createLogger('EditWorkflowAPI')
 
 // Sim Agent API configuration
-const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || 'http://localhost:8000'
-const SIM_AGENT_API_KEY = env.SIM_AGENT_API_KEY
+const SIM_AGENT_API_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 // Types for operations
 interface EditWorkflowOperation {
@@ -46,7 +46,6 @@ async function applyOperationsToYaml(
     method: 'POST',
     headers: {
       'Content-Type': 'application/json',
-      ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
     },
     body: JSON.stringify({
       yamlContent: currentYaml,
@@ -353,24 +352,8 @@ async function getUserWorkflow(workflowId: string): Promise<string> {
         }
       })
     })
-  } else if (workflowRecord.state) {
-    // Fallback to JSON blob
-    const jsonState = workflowRecord.state as any
-    workflowState = {
-      blocks: jsonState.blocks || {},
-      edges: jsonState.edges || [],
-      loops: jsonState.loops || {},
-      parallels: jsonState.parallels || {},
-    }
-    // For JSON blob, subblock values are embedded in the block state
-    Object.entries((workflowState.blocks as any) || {}).forEach(([blockId, block]) => {
-      subBlockValues[blockId] = {}
-      Object.entries((block as any).subBlocks || {}).forEach(([subBlockId, subBlock]) => {
-        if ((subBlock as any).value !== undefined) {
-          subBlockValues[blockId][subBlockId] = (subBlock as any).value
-        }
-      })
-    })
+  } else {
+    throw new Error('Workflow has no normalized data')
   }
 
   if (!workflowState || !workflowState.blocks) {
@@ -481,7 +464,6 @@ async function editWorkflow(params: EditWorkflowParams): Promise<EditWorkflowRes
     method: 'POST',
     headers: {
       'Content-Type': 'application/json',
-      ...(SIM_AGENT_API_KEY && { 'x-api-key': SIM_AGENT_API_KEY }),
     },
     body: JSON.stringify({
       workflowState,

apps/sim/lib/copilot/tools/server-tools/workflow/get-workflow-console.ts

@@ -39,15 +39,10 @@ interface ExecutionEntry {
   id: string
   executionId: string
   level: string
-  message: string
   trigger: string
   startedAt: string
   endedAt: string | null
   durationMs: number | null
-  blockCount: number
-  successCount: number
-  errorCount: number
-  skippedCount: number
   totalCost: number | null
   totalTokens: number | null
   blockExecutions: BlockExecution[]
@@ -124,18 +119,12 @@ async function getWorkflowConsole(
       id: workflowExecutionLogs.id,
       executionId: workflowExecutionLogs.executionId,
       level: workflowExecutionLogs.level,
-      message: workflowExecutionLogs.message,
       trigger: workflowExecutionLogs.trigger,
       startedAt: workflowExecutionLogs.startedAt,
       endedAt: workflowExecutionLogs.endedAt,
       totalDurationMs: workflowExecutionLogs.totalDurationMs,
-      blockCount: workflowExecutionLogs.blockCount,
-      successCount: workflowExecutionLogs.successCount,
-      errorCount: workflowExecutionLogs.errorCount,
-      skippedCount: workflowExecutionLogs.skippedCount,
-      totalCost: workflowExecutionLogs.totalCost,
-      totalTokens: workflowExecutionLogs.totalTokens,
-      metadata: workflowExecutionLogs.metadata,
+      executionData: workflowExecutionLogs.executionData,
+      cost: workflowExecutionLogs.cost,
     })
     .from(workflowExecutionLogs)
     .where(eq(workflowExecutionLogs.workflowId, workflowId))
@@ -144,9 +133,8 @@ async function getWorkflowConsole(
 
   // Format the response with detailed block execution data
   const formattedEntries: ExecutionEntry[] = executionLogs.map((log) => {
-    // Extract trace spans from metadata
-    const metadata = log.metadata as any
-    const traceSpans = metadata?.traceSpans || []
+    // Extract trace spans from execution data
+    const traceSpans = (log.executionData as any)?.traceSpans || []
     const blockExecutions = extractBlockExecutionsFromTraceSpans(traceSpans)
 
     // Try to find the final output from the last executed block
@@ -172,17 +160,12 @@ async function getWorkflowConsole(
       id: log.id,
       executionId: log.executionId,
       level: log.level,
-      message: log.message,
       trigger: log.trigger,
       startedAt: log.startedAt.toISOString(),
       endedAt: log.endedAt?.toISOString() || null,
       durationMs: log.totalDurationMs,
-      blockCount: log.blockCount,
-      successCount: log.successCount,
-      errorCount: log.errorCount,
-      skippedCount: log.skippedCount || 0,
-      totalCost: log.totalCost ? Number.parseFloat(log.totalCost.toString()) : null,
-      totalTokens: log.totalTokens,
+      totalCost: (log.cost as any)?.total ?? null,
+      totalTokens: (log.cost as any)?.tokens?.total ?? null,
       blockExecutions: includeDetails ? blockExecutions : [],
       output: finalOutput,
     }

apps/sim/lib/email/validation.test.ts

@@ -26,7 +26,6 @@ describe('Email Validation', () => {
     it.concurrent('should accept legitimate business emails', async () => {
       const legitimateEmails = [
         'test@gmail.com',
-        'noreply@gmail.com',
         'no-reply@yahoo.com',
         'user12345@outlook.com',
         'longusernamehere@gmail.com',

apps/sim/lib/env.ts

@@ -24,8 +24,10 @@ export const env = createEnv({
     ALLOWED_LOGIN_DOMAINS:                z.string().optional(),                  // Comma-separated list of allowed email domains for login
     ENCRYPTION_KEY:                       z.string().min(32),                     // Key for encrypting sensitive data
     INTERNAL_API_SECRET:                  z.string().min(32),                     // Secret for internal API authentication
-    SIM_AGENT_API_KEY:                    z.string().min(1).optional(),           // Secret for internal sim agent API authentication
+    COPILOT_API_KEY:                      z.string().min(1).optional(),           // Secret for internal sim agent API authentication
     SIM_AGENT_API_URL:                    z.string().url().optional(),            // URL for internal sim agent API
+    AGENT_API_DB_ENCRYPTION_KEY:          z.string().min(32).optional(),          // Key for encrypting sensitive data for sim agent
+    AGENT_API_NETWORK_ENCRYPTION_KEY:     z.string().min(32).optional(),          // Key for encrypting sensitive data for sim agent
 
     // Database & Storage
     POSTGRES_URL:                         z.string().url().optional(),            // Alternative PostgreSQL connection string
@@ -69,7 +71,6 @@ export const env = createEnv({
     // Monitoring & Analytics
     TELEMETRY_ENDPOINT:                   z.string().url().optional(),            // Custom telemetry/analytics endpoint
     COST_MULTIPLIER:                      z.number().optional(),                  // Multiplier for cost calculations
-    COPILOT_COST_MULTIPLIER:              z.number().optional(),                  // Multiplier for copilot cost calculations
     SENTRY_ORG:                           z.string().optional(),                  // Sentry organization for error tracking
     SENTRY_PROJECT:                       z.string().optional(),                  // Sentry project for error tracking
     SENTRY_AUTH_TOKEN:                    z.string().optional(),                  // Sentry authentication token

apps/sim/lib/environment.ts

@@ -1,7 +1,7 @@
 /**
  * Environment utility functions for consistent environment detection across the application
  */
-import { env, getEnv, isTruthy } from './env'
+import { env, isTruthy } from './env'
 
 /**
  * Is the application running in production mode
@@ -21,13 +21,14 @@ export const isTest = env.NODE_ENV === 'test'
 /**
  * Is this the hosted version of the application
  */
-export const isHosted = env.NEXT_PUBLIC_APP_URL === 'https://www.sim.ai'
+export const isHosted =
+  env.NEXT_PUBLIC_APP_URL === 'https://www.sim.ai' ||
+  env.NEXT_PUBLIC_APP_URL === 'https://www.staging.sim.ai'
 
 /**
  * Is billing enforcement enabled
  */
-export const isBillingEnabled =
-  isTruthy(getEnv('NEXT_PUBLIC_BILLING_ENABLED')) || isTruthy(env.BILLING_ENABLED)
+export const isBillingEnabled = isTruthy(env.BILLING_ENABLED)
 
 /**
  * Get cost multiplier based on environment

apps/sim/lib/logs/execution/logger.ts

@@ -59,20 +59,11 @@ export class ExecutionLogger implements IExecutionLoggerService {
         executionId,
         stateSnapshotId: snapshotResult.snapshot.id,
         level: 'info',
-        message: `${this.getTriggerPrefix(trigger.type)} execution started`,
         trigger: trigger.type,
         startedAt: startTime,
         endedAt: null,
         totalDurationMs: null,
-        blockCount: 0,
-        successCount: 0,
-        errorCount: 0,
-        skippedCount: 0,
-        totalCost: null,
-        totalInputCost: null,
-        totalOutputCost: null,
-        totalTokens: null,
-        metadata: {
+        executionData: {
           environment,
           trigger,
         },
@@ -88,20 +79,11 @@ export class ExecutionLogger implements IExecutionLoggerService {
         executionId: workflowLog.executionId,
         stateSnapshotId: workflowLog.stateSnapshotId,
         level: workflowLog.level as 'info' | 'error',
-        message: workflowLog.message,
         trigger: workflowLog.trigger as ExecutionTrigger['type'],
         startedAt: workflowLog.startedAt.toISOString(),
         endedAt: workflowLog.endedAt?.toISOString() || workflowLog.startedAt.toISOString(),
         totalDurationMs: workflowLog.totalDurationMs || 0,
-        blockCount: workflowLog.blockCount,
-        successCount: workflowLog.successCount,
-        errorCount: workflowLog.errorCount,
-        skippedCount: workflowLog.skippedCount,
-        totalCost: Number(workflowLog.totalCost) || 0,
-        totalInputCost: Number(workflowLog.totalInputCost) || 0,
-        totalOutputCost: Number(workflowLog.totalOutputCost) || 0,
-        totalTokens: workflowLog.totalTokens || 0,
-        metadata: workflowLog.metadata as WorkflowExecutionLog['metadata'],
+        executionData: workflowLog.executionData as WorkflowExecutionLog['executionData'],
         createdAt: workflowLog.createdAt.toISOString(),
       },
       snapshot: snapshotResult.snapshot,
@@ -151,7 +133,6 @@ export class ExecutionLogger implements IExecutionLoggerService {
     })
 
     const level = hasErrors ? 'error' : 'info'
-    const message = hasErrors ? 'Workflow execution failed' : 'Workflow execution completed'
 
     // Extract files from trace spans and final output
     const executionFiles = this.extractFilesFromExecution(traceSpans, finalOutput)
@@ -160,19 +141,10 @@ export class ExecutionLogger implements IExecutionLoggerService {
       .update(workflowExecutionLogs)
       .set({
         level,
-        message,
         endedAt: new Date(endedAt),
         totalDurationMs,
-        blockCount: 0,
-        successCount: 0,
-        errorCount: 0,
-        skippedCount: 0,
-        totalCost: costSummary.totalCost.toString(),
-        totalInputCost: costSummary.totalInputCost.toString(),
-        totalOutputCost: costSummary.totalOutputCost.toString(),
-        totalTokens: costSummary.totalTokens,
         files: executionFiles.length > 0 ? executionFiles : null,
-        metadata: {
+        executionData: {
           traceSpans,
           finalOutput,
           tokenBreakdown: {
@@ -182,6 +154,17 @@ export class ExecutionLogger implements IExecutionLoggerService {
           },
           models: costSummary.models,
         },
+        cost: {
+          total: costSummary.totalCost,
+          input: costSummary.totalInputCost,
+          output: costSummary.totalOutputCost,
+          tokens: {
+            prompt: costSummary.totalPromptTokens,
+            completion: costSummary.totalCompletionTokens,
+            total: costSummary.totalTokens,
+          },
+          models: costSummary.models,
+        },
       })
       .where(eq(workflowExecutionLogs.executionId, executionId))
       .returning()
@@ -205,20 +188,12 @@ export class ExecutionLogger implements IExecutionLoggerService {
       executionId: updatedLog.executionId,
       stateSnapshotId: updatedLog.stateSnapshotId,
       level: updatedLog.level as 'info' | 'error',
-      message: updatedLog.message,
       trigger: updatedLog.trigger as ExecutionTrigger['type'],
       startedAt: updatedLog.startedAt.toISOString(),
       endedAt: updatedLog.endedAt?.toISOString() || endedAt,
       totalDurationMs: updatedLog.totalDurationMs || totalDurationMs,
-      blockCount: updatedLog.blockCount,
-      successCount: updatedLog.successCount,
-      errorCount: updatedLog.errorCount,
-      skippedCount: updatedLog.skippedCount,
-      totalCost: Number(updatedLog.totalCost) || 0,
-      totalInputCost: Number(updatedLog.totalInputCost) || 0,
-      totalOutputCost: Number(updatedLog.totalOutputCost) || 0,
-      totalTokens: updatedLog.totalTokens || 0,
-      metadata: updatedLog.metadata as WorkflowExecutionLog['metadata'],
+      executionData: updatedLog.executionData as WorkflowExecutionLog['executionData'],
+      cost: updatedLog.cost as any,
       createdAt: updatedLog.createdAt.toISOString(),
     }
   }
@@ -238,20 +213,12 @@ export class ExecutionLogger implements IExecutionLoggerService {
       executionId: workflowLog.executionId,
       stateSnapshotId: workflowLog.stateSnapshotId,
       level: workflowLog.level as 'info' | 'error',
-      message: workflowLog.message,
       trigger: workflowLog.trigger as ExecutionTrigger['type'],
       startedAt: workflowLog.startedAt.toISOString(),
       endedAt: workflowLog.endedAt?.toISOString() || workflowLog.startedAt.toISOString(),
       totalDurationMs: workflowLog.totalDurationMs || 0,
-      blockCount: workflowLog.blockCount,
-      successCount: workflowLog.successCount,
-      errorCount: workflowLog.errorCount,
-      skippedCount: workflowLog.skippedCount,
-      totalCost: Number(workflowLog.totalCost) || 0,
-      totalInputCost: Number(workflowLog.totalInputCost) || 0,
-      totalOutputCost: Number(workflowLog.totalOutputCost) || 0,
-      totalTokens: workflowLog.totalTokens || 0,
-      metadata: workflowLog.metadata as WorkflowExecutionLog['metadata'],
+      executionData: workflowLog.executionData as WorkflowExecutionLog['executionData'],
+      cost: workflowLog.cost as any,
       createdAt: workflowLog.createdAt.toISOString(),
     }
   }

apps/sim/lib/logs/types.ts

@@ -82,19 +82,10 @@ export interface WorkflowExecutionLog {
   executionId: string
   stateSnapshotId: string
   level: 'info' | 'error'
-  message: string
   trigger: ExecutionTrigger['type']
   startedAt: string
   endedAt: string
   totalDurationMs: number
-  blockCount: number
-  successCount: number
-  errorCount: number
-  skippedCount: number
-  totalCost: number
-  totalInputCost: number
-  totalOutputCost: number
-  totalTokens: number
   files?: Array<{
     id: string
     name: string
@@ -107,9 +98,10 @@ export interface WorkflowExecutionLog {
     storageProvider?: 's3' | 'blob' | 'local'
     bucketName?: string
   }>
-  metadata: {
-    environment: ExecutionEnvironment
-    trigger: ExecutionTrigger
+  // Execution details
+  executionData: {
+    environment?: ExecutionEnvironment
+    trigger?: ExecutionTrigger
     traceSpans?: TraceSpan[]
     errorDetails?: {
       blockId: string
@@ -118,6 +110,22 @@ export interface WorkflowExecutionLog {
       stackTrace?: string
     }
   }
+  // Top-level cost information
+  cost?: {
+    input?: number
+    output?: number
+    total?: number
+    tokens?: { prompt?: number; completion?: number; total?: number }
+    models?: Record<
+      string,
+      {
+        input?: number
+        output?: number
+        total?: number
+        tokens?: { prompt?: number; completion?: number; total?: number }
+      }
+    >
+  }
   duration?: string
   createdAt: string
 }

apps/sim/lib/sim-agent/client.ts

@@ -1,12 +1,11 @@
+import { env } from '@/lib/env'
 import { createLogger } from '@/lib/logs/console/logger'
+import { SIM_AGENT_API_URL_DEFAULT } from '@/lib/sim-agent'
 
 const logger = createLogger('SimAgentClient')
 
 // Base URL for the sim-agent service
-const SIM_AGENT_BASE_URL =
-  process.env.NODE_ENV === 'development'
-    ? 'http://localhost:8000'
-    : process.env.NEXT_PUBLIC_SIM_AGENT_URL || 'https://sim-agent.vercel.app'
+const SIM_AGENT_BASE_URL = env.SIM_AGENT_API_URL || SIM_AGENT_API_URL_DEFAULT
 
 export interface SimAgentRequest {
   workflowId: string
@@ -28,31 +27,6 @@ class SimAgentClient {
     this.baseUrl = SIM_AGENT_BASE_URL
   }
 
-  /**
-   * Get the API key lazily to ensure environment variables are loaded
-   */
-  private getApiKey(): string {
-    // Only try server-side env var (never expose to client)
-    let apiKey = process.env.SIM_AGENT_API_KEY || ''
-
-    // If not found, try importing env library as fallback
-    if (!apiKey) {
-      try {
-        const { env } = require('@/lib/env')
-        apiKey = env.SIM_AGENT_API_KEY || ''
-      } catch (e) {
-        // env library not available or failed to load
-      }
-    }
-
-    if (!apiKey && typeof window === 'undefined') {
-      // Only warn on server-side where API key should be available
-      logger.warn('SIM_AGENT_API_KEY not configured')
-    }
-
-    return apiKey
-  }
-
   /**
    * Make a request to the sim-agent service
    */
@@ -66,23 +40,20 @@ class SimAgentClient {
     } = {}
   ): Promise<SimAgentResponse<T>> {
     const requestId = crypto.randomUUID().slice(0, 8)
-    const { method = 'POST', body, headers = {}, apiKey: providedApiKey } = options
+    const { method = 'POST', body, headers = {} } = options
 
     try {
       const url = `${this.baseUrl}${endpoint}`
 
       // Use provided API key or try to get it from environment
-      const apiKey = providedApiKey || this.getApiKey()
       const requestHeaders: Record<string, string> = {
         'Content-Type': 'application/json',
-        ...(apiKey && { 'x-api-key': apiKey }),
         ...headers,
       }
 
       logger.info(`[${requestId}] Making request to sim-agent`, {
         url,
         method,
-        hasApiKey: !!apiKey,
         hasBody: !!body,
       })
 
@@ -157,7 +128,6 @@ class SimAgentClient {
   getConfig() {
     return {
       baseUrl: this.baseUrl,
-      hasApiKey: !!this.getApiKey(),
       environment: process.env.NODE_ENV,
     }
   }

apps/sim/lib/sim-agent/constants.ts

@@ -0,0 +1 @@
+export const SIM_AGENT_API_URL_DEFAULT = 'https://agent.sim.ai'

apps/sim/lib/sim-agent/index.ts

@@ -2,6 +2,7 @@
 
 export type { SimAgentRequest, SimAgentResponse } from './client'
 export { SimAgentClient, simAgentClient } from './client'
+export { SIM_AGENT_API_URL_DEFAULT } from './constants'
 
 // Import for default export
 import { simAgentClient } from './client'

apps/sim/lib/workflows/diff/diff-engine.ts

@@ -1,5 +1,6 @@
 import { createLogger } from '@/lib/logs/console/logger'
 import type { BlockState, WorkflowState } from '@/stores/workflows/workflow/types'
+import type { BlockWithDiff } from './types'
 
 const logger = createLogger('WorkflowDiffEngine')
 
@@ -334,10 +335,10 @@ export class WorkflowDiffEngine {
     for (const [blockId, block] of Object.entries(state.blocks)) {
       const cleanBlock: BlockState = { ...block }
 
-      // Remove diff markers using bracket notation to avoid TypeScript errors
-
-      ;(cleanBlock as any).is_diff = undefined
-      ;(cleanBlock as any).field_diff = undefined
+      // Remove diff markers using proper typing
+      const blockWithDiff = cleanBlock as BlockState & BlockWithDiff
+      blockWithDiff.is_diff = undefined
+      blockWithDiff.field_diffs = undefined
 
       // Ensure outputs is never null/undefined
       if (cleanBlock.outputs === undefined || cleanBlock.outputs === null) {

apps/sim/lib/workflows/diff/types.ts

@@ -0,0 +1,18 @@
+/**
+ * Type definitions for workflow diff functionality
+ */
+
+export type DiffStatus = 'new' | 'edited' | undefined
+
+export type FieldDiffStatus = 'changed' | 'unchanged'
+
+export type EdgeDiffStatus = 'new' | 'deleted' | 'unchanged' | null
+
+export interface BlockWithDiff {
+  is_diff?: DiffStatus
+  field_diffs?: Record<string, { changed_fields: string[]; unchanged_fields: string[] }>
+}
+
+export function hasDiffStatus(block: any): block is BlockWithDiff {
+  return block && typeof block === 'object' && ('is_diff' in block || 'field_diffs' in block)
+}

apps/sim/next.config.ts

@@ -208,13 +208,13 @@ const nextConfig: NextConfig = {
           source: '/((?!api|_next|_vercel|favicon|static|.*\\..*).*)',
           destination: 'https://www.sim.ai/$1',
           permanent: true,
-          has: [{ type: 'host', key: 'host', value: 'simstudio.ai' }],
+          has: [{ type: 'host' as const, value: 'simstudio.ai' }],
         },
         {
           source: '/((?!api|_next|_vercel|favicon|static|.*\\..*).*)',
           destination: 'https://www.sim.ai/$1',
           permanent: true,
-          has: [{ type: 'host', key: 'host', value: 'www.simstudio.ai' }],
+          has: [{ type: 'host' as const, value: 'www.simstudio.ai' }],
         }
       )
     }

apps/sim/scripts/insert-test-workflow.ts

@@ -1,171 +0,0 @@
-#!/usr/bin/env bun
-
-import { db } from '@/db'
-import { user, workflow, workspace } from '@/db/schema'
-
-const testWorkflowState = {
-  blocks: {
-    'start-block-123': {
-      id: 'start-block-123',
-      type: 'starter',
-      name: 'Start',
-      position: {
-        x: 100,
-        y: 100,
-      },
-      subBlocks: {
-        startWorkflow: {
-          id: 'startWorkflow',
-          type: 'dropdown',
-          value: 'manual',
-        },
-      },
-      outputs: {
-        response: {
-          input: 'any',
-        },
-      },
-      enabled: true,
-      horizontalHandles: true,
-      isWide: false,
-      advancedMode: false,
-      height: 90,
-    },
-    'loop-block-456': {
-      id: 'loop-block-456',
-      type: 'loop',
-      name: 'For Loop',
-      position: {
-        x: 400,
-        y: 100,
-      },
-      subBlocks: {},
-      outputs: {},
-      enabled: true,
-      horizontalHandles: true,
-      isWide: false,
-      advancedMode: false,
-      height: 0,
-      data: {
-        width: 400,
-        height: 200,
-        type: 'loopNode',
-      },
-    },
-    'function-block-789': {
-      id: 'function-block-789',
-      type: 'function',
-      name: 'Return X',
-      position: {
-        x: 50,
-        y: 50,
-      },
-      subBlocks: {
-        code: {
-          id: 'code',
-          type: 'code',
-          value: "return 'X'",
-        },
-      },
-      outputs: {
-        response: {
-          result: 'any',
-          stdout: 'string',
-        },
-      },
-      enabled: true,
-      horizontalHandles: true,
-      isWide: false,
-      advancedMode: false,
-      height: 144,
-      data: {
-        parentId: 'loop-block-456',
-        extent: 'parent',
-      },
-    },
-  },
-  edges: [
-    {
-      id: 'edge-start-to-loop',
-      source: 'start-block-123',
-      target: 'loop-block-456',
-      sourceHandle: 'source',
-      targetHandle: 'target',
-    },
-    {
-      id: 'edge-loop-to-function',
-      source: 'loop-block-456',
-      target: 'function-block-789',
-      sourceHandle: 'loop-start-source',
-      targetHandle: 'target',
-    },
-  ],
-  loops: {
-    'loop-block-456': {
-      id: 'loop-block-456',
-      nodes: ['function-block-789'],
-      iterations: 3,
-      loopType: 'for',
-      forEachItems: '',
-    },
-  },
-  parallels: {},
-  lastSaved: Date.now(),
-  isDeployed: false,
-}
-
-async function insertTestWorkflow() {
-  try {
-    console.log('🔍 Finding first workspace and user...')
-
-    // Get the first workspace
-    const workspaces = await db.select().from(workspace).limit(1)
-    if (workspaces.length === 0) {
-      throw new Error('No workspaces found. Please create a workspace first.')
-    }
-
-    // Get the first user
-    const users = await db.select().from(user).limit(1)
-    if (users.length === 0) {
-      throw new Error('No users found. Please create a user first.')
-    }
-
-    const workspaceId = workspaces[0].id
-    const userId = users[0].id
-    console.log(`✅ Using workspace: ${workspaceId}`)
-    console.log(`✅ Using user: ${userId}`)
-
-    // Insert workflow with old JSON state format
-    const testWorkflowId = `test-migration-workflow-${Date.now()}`
-
-    const now = new Date()
-
-    await db.insert(workflow).values({
-      id: testWorkflowId,
-      name: 'Test Migration Workflow (Old JSON Format)',
-      workspaceId: workspaceId,
-      userId: userId,
-      state: testWorkflowState, // This is the old JSON format
-      lastSynced: now,
-      createdAt: now,
-      updatedAt: now,
-      isDeployed: false,
-      isPublished: false,
-    })
-
-    console.log(`✅ Inserted test workflow with old JSON format: ${testWorkflowId}`)
-    console.log(`🌐 Access it at: http://localhost:3000/w/${testWorkflowId}`)
-    console.log('')
-    console.log('📋 Test steps:')
-    console.log('1. Open the workflow in your browser')
-    console.log('2. Verify it renders correctly with all blocks and connections')
-    console.log('3. Try editing some subblock values')
-    console.log('4. Run the migration script')
-    console.log('5. Verify it still works after migration')
-  } catch (error) {
-    console.error('❌ Error inserting test workflow:', error)
-    process.exit(1)
-  }
-}
-
-insertTestWorkflow()

apps/sim/scripts/migrate-workflow-states.ts

@@ -1,306 +0,0 @@
-#!/usr/bin/env bun
-
-import { readFileSync } from 'fs'
-import { and, eq, inArray, isNotNull } from 'drizzle-orm'
-import { nanoid } from 'nanoid'
-import { db } from '@/db'
-import { workflow, workflowBlocks, workflowEdges, workflowSubflows } from '@/db/schema'
-
-interface WorkflowState {
-  blocks: Record<string, any>
-  edges: any[]
-  loops?: Record<string, any>
-  parallels?: Record<string, any>
-  lastSaved?: number
-  isDeployed?: boolean
-}
-
-async function migrateWorkflowStates(specificWorkflowIds?: string[] | null) {
-  try {
-    if (specificWorkflowIds) {
-      console.log(`🔍 Finding ${specificWorkflowIds.length} specific workflows...`)
-    } else {
-      console.log('🔍 Finding workflows with old JSON state format...')
-    }
-
-    // Build the where condition based on whether we have specific IDs
-    const whereCondition = specificWorkflowIds
-      ? and(
-          isNotNull(workflow.state), // Has JSON state
-          inArray(workflow.id, specificWorkflowIds) // Only specific IDs
-        )
-      : and(
-          isNotNull(workflow.state) // Has JSON state
-          // We'll check for normalized data existence per workflow
-        )
-
-    // Find workflows that have state but no normalized table entries
-    const workflowsToMigrate = await db
-      .select({
-        id: workflow.id,
-        name: workflow.name,
-        state: workflow.state,
-      })
-      .from(workflow)
-      .where(whereCondition)
-
-    console.log(`📊 Found ${workflowsToMigrate.length} workflows with JSON state`)
-
-    if (specificWorkflowIds) {
-      const foundIds = workflowsToMigrate.map((w) => w.id)
-      const missingIds = specificWorkflowIds.filter((id) => !foundIds.includes(id))
-      if (missingIds.length > 0) {
-        console.log(`⚠️  Warning: ${missingIds.length} specified workflow IDs not found:`)
-        missingIds.forEach((id) => console.log(`    - ${id}`))
-      }
-      console.log('')
-    }
-
-    let migratedCount = 0
-    let skippedCount = 0
-    let errorCount = 0
-
-    for (const wf of workflowsToMigrate) {
-      try {
-        // Check if this workflow already has normalized data
-        const existingBlocks = await db
-          .select({ id: workflowBlocks.id })
-          .from(workflowBlocks)
-          .where(eq(workflowBlocks.workflowId, wf.id))
-          .limit(1)
-
-        if (existingBlocks.length > 0) {
-          console.log(`⏭️  Skipping ${wf.name} (${wf.id}) - already has normalized data`)
-          skippedCount++
-          continue
-        }
-
-        console.log(`🔄 Migrating ${wf.name} (${wf.id})...`)
-
-        const state = wf.state as WorkflowState
-        if (!state || !state.blocks) {
-          console.log(`⚠️  Skipping ${wf.name} - invalid state format`)
-          skippedCount++
-          continue
-        }
-
-        // Clean up invalid blocks (those without an id field) before migration
-        const originalBlockCount = Object.keys(state.blocks).length
-        const validBlocks: Record<string, any> = {}
-        let removedBlockCount = 0
-
-        for (const [blockKey, block] of Object.entries(state.blocks)) {
-          if (block && typeof block === 'object' && block.id) {
-            // Valid block - has an id field
-            validBlocks[blockKey] = block
-          } else {
-            // Invalid block - missing id field
-            console.log(`    🗑️  Removing invalid block ${blockKey} (no id field)`)
-            removedBlockCount++
-          }
-        }
-
-        if (removedBlockCount > 0) {
-          console.log(
-            `    🧹 Cleaned up ${removedBlockCount} invalid blocks (${originalBlockCount} → ${Object.keys(validBlocks).length})`
-          )
-          state.blocks = validBlocks
-        }
-
-        await db.transaction(async (tx) => {
-          // Migrate blocks - generate new IDs and create mapping
-          const blocks = Object.values(state.blocks)
-          console.log(`  📦 Migrating ${blocks.length} blocks...`)
-
-          // Create mapping from old block IDs to new block IDs
-          const blockIdMapping: Record<string, string> = {}
-
-          for (const block of blocks) {
-            const newBlockId = nanoid()
-            blockIdMapping[block.id] = newBlockId
-
-            await tx.insert(workflowBlocks).values({
-              id: newBlockId,
-              workflowId: wf.id,
-              type: block.type,
-              name: block.name,
-              positionX: String(block.position?.x || 0),
-              positionY: String(block.position?.y || 0),
-              enabled: block.enabled ?? true,
-              horizontalHandles: block.horizontalHandles ?? true,
-              isWide: block.isWide ?? false,
-              advancedMode: block.advancedMode ?? false,
-              triggerMode: block.triggerMode ?? false,
-              height: String(block.height || 0),
-              subBlocks: block.subBlocks || {},
-              outputs: block.outputs || {},
-              data: block.data || {},
-              parentId: block.data?.parentId ? blockIdMapping[block.data.parentId] || null : null,
-            })
-          }
-
-          // Migrate edges - use new block IDs
-          const edges = state.edges || []
-          console.log(`  🔗 Migrating ${edges.length} edges...`)
-
-          for (const edge of edges) {
-            const newSourceId = blockIdMapping[edge.source]
-            const newTargetId = blockIdMapping[edge.target]
-
-            // Skip edges that reference blocks that don't exist in our mapping
-            if (!newSourceId || !newTargetId) {
-              console.log(`    ⚠️  Skipping edge ${edge.id} - references missing blocks`)
-              continue
-            }
-
-            await tx.insert(workflowEdges).values({
-              id: nanoid(),
-              workflowId: wf.id,
-              sourceBlockId: newSourceId,
-              targetBlockId: newTargetId,
-              sourceHandle: edge.sourceHandle || null,
-              targetHandle: edge.targetHandle || null,
-            })
-          }
-
-          // Migrate loops - update node IDs to use new block IDs
-          const loops = state.loops || {}
-          const loopIds = Object.keys(loops)
-          console.log(`  🔄 Migrating ${loopIds.length} loops...`)
-
-          for (const loopId of loopIds) {
-            const loop = loops[loopId]
-            // Map old node IDs to new block IDs
-            const updatedNodes = (loop.nodes || [])
-              .map((nodeId: string) => blockIdMapping[nodeId])
-              .filter(Boolean)
-
-            await tx.insert(workflowSubflows).values({
-              id: nanoid(),
-              workflowId: wf.id,
-              type: 'loop',
-              config: {
-                id: loop.id,
-                nodes: updatedNodes,
-                iterationCount: loop.iterations || 5,
-                iterationType: loop.loopType || 'for',
-                collection: loop.forEachItems || '',
-              },
-            })
-          }
-
-          // Migrate parallels - update node IDs to use new block IDs
-          const parallels = state.parallels || {}
-          const parallelIds = Object.keys(parallels)
-          console.log(`  ⚡ Migrating ${parallelIds.length} parallels...`)
-
-          for (const parallelId of parallelIds) {
-            const parallel = parallels[parallelId]
-            // Map old node IDs to new block IDs
-            const updatedNodes = (parallel.nodes || [])
-              .map((nodeId: string) => blockIdMapping[nodeId])
-              .filter(Boolean)
-
-            await tx.insert(workflowSubflows).values({
-              id: nanoid(),
-              workflowId: wf.id,
-              type: 'parallel',
-              config: {
-                id: parallel.id,
-                nodes: updatedNodes,
-                parallelCount: 2, // Default parallel count
-                collection: parallel.distribution || '',
-              },
-            })
-          }
-        })
-
-        console.log(`✅ Successfully migrated ${wf.name}`)
-        migratedCount++
-      } catch (error) {
-        console.error(`❌ Error migrating ${wf.name} (${wf.id}):`, error)
-        errorCount++
-      }
-    }
-
-    console.log('')
-    console.log('📊 Migration Summary:')
-    console.log(`✅ Migrated: ${migratedCount} workflows`)
-    console.log(`⏭️  Skipped: ${skippedCount} workflows`)
-    console.log(`❌ Errors: ${errorCount} workflows`)
-    console.log('')
-
-    if (migratedCount > 0) {
-      console.log('🎉 Migration completed successfully!')
-      console.log('')
-      console.log('📋 Next steps:')
-      console.log('1. Test the migrated workflows in your browser')
-      console.log('2. Verify all blocks, edges, and subflows work correctly')
-      console.log('3. Check that editing and collaboration still work')
-      console.log('4. Once confirmed, the workflow.state JSON field can be deprecated')
-    }
-  } catch (error) {
-    console.error('❌ Migration failed:', error)
-    process.exit(1)
-  }
-}
-
-// Add command line argument parsing
-const args = process.argv.slice(2)
-const dryRun = args.includes('--dry-run')
-const showHelp = args.includes('--help') || args.includes('-h')
-
-if (showHelp) {
-  console.log('🔄 Workflow State Migration Script')
-  console.log('')
-  console.log('Usage:')
-  console.log('  bun run scripts/migrate-workflow-states.ts [options]')
-  console.log('')
-  console.log('Options:')
-  console.log('  --dry-run              Show what would be migrated without making changes')
-  console.log('  --file <path>          Migrate only workflow IDs listed in file (comma-separated)')
-  console.log('  --help, -h             Show this help message')
-  console.log('')
-  console.log('Examples:')
-  console.log('  bun run scripts/migrate-workflow-states.ts')
-  console.log('  bun run scripts/migrate-workflow-states.ts --dry-run')
-  console.log('  bun run scripts/migrate-workflow-states.ts --file workflow-ids.txt')
-  console.log('  bun run scripts/migrate-workflow-states.ts --dry-run --file workflow-ids.txt')
-  console.log('')
-  console.log('File format (workflow-ids.txt):')
-  console.log('  abc-123,def-456,ghi-789')
-  console.log('')
-  process.exit(0)
-}
-
-// Parse --file flag for workflow IDs
-let specificWorkflowIds: string[] | null = null
-const fileIndex = args.findIndex((arg) => arg === '--file')
-if (fileIndex !== -1 && args[fileIndex + 1]) {
-  const filePath = args[fileIndex + 1]
-  try {
-    console.log(`📁 Reading workflow IDs from file: ${filePath}`)
-    const fileContent = readFileSync(filePath, 'utf-8')
-    specificWorkflowIds = fileContent
-      .split(',')
-      .map((id) => id.trim())
-      .filter((id) => id.length > 0)
-    console.log(`📋 Found ${specificWorkflowIds.length} workflow IDs in file`)
-    console.log('')
-  } catch (error) {
-    console.error(`❌ Error reading file ${filePath}:`, error)
-    process.exit(1)
-  }
-}
-
-if (dryRun) {
-  console.log('🔍 DRY RUN MODE - No changes will be made')
-  console.log('')
-}
-
-if (specificWorkflowIds) {
-  console.log('🎯 TARGETED MIGRATION - Only migrating specified workflow IDs')
-  console.log('')
-}
-
-migrateWorkflowStates(specificWorkflowIds)

apps/sim/socket-server/database/operations.ts

@@ -125,15 +125,11 @@ export async function getWorkflowState(workflowId: string) {
 
     if (normalizedData) {
       // Use normalized data as source of truth
-      const existingState = workflowData[0].state || {}
-
       const finalState = {
         // Default values for expected properties
         deploymentStatuses: {},
         hasActiveWebhook: false,
-        // Preserve any existing state properties
-        ...existingState,
-        // Override with normalized data (this takes precedence)
+        // Data from normalized tables
         blocks: normalizedData.blocks,
         edges: normalizedData.edges,
         loops: normalizedData.loops,
@@ -494,11 +490,25 @@ async function handleBlockOperationTx(
         throw new Error('Missing block ID for update parent operation')
       }
 
+      // Fetch current parent to update subflow node list when detaching or reparenting
+      const [existing] = await tx
+        .select({
+          id: workflowBlocks.id,
+          parentId: workflowBlocks.parentId,
+        })
+        .from(workflowBlocks)
+        .where(and(eq(workflowBlocks.id, payload.id), eq(workflowBlocks.workflowId, workflowId)))
+        .limit(1)
+
+      const isRemovingFromParent = !payload.parentId
+
       const updateResult = await tx
         .update(workflowBlocks)
         .set({
-          parentId: payload.parentId || null,
-          extent: payload.extent || null,
+          parentId: isRemovingFromParent ? null : payload.parentId || null,
+          extent: isRemovingFromParent ? null : payload.extent || null,
+          // When removing from a subflow, also clear data JSON entirely
+          ...(isRemovingFromParent ? { data: {} } : {}),
           updatedAt: new Date(),
         })
         .where(and(eq(workflowBlocks.id, payload.id), eq(workflowBlocks.workflowId, workflowId)))
@@ -508,13 +518,19 @@ async function handleBlockOperationTx(
         throw new Error(`Block ${payload.id} not found in workflow ${workflowId}`)
       }
 
-      // If the block now has a parent, update the parent's subflow node list
+      // If the block now has a parent, update the new parent's subflow node list
       if (payload.parentId) {
         await updateSubflowNodeList(tx, workflowId, payload.parentId)
       }
+      // If the block had a previous parent, update that parent's node list as well
+      if (existing?.parentId && existing.parentId !== payload.parentId) {
+        await updateSubflowNodeList(tx, workflowId, existing.parentId)
+      }
 
       logger.debug(
-        `Updated block parent: ${payload.id} -> parent: ${payload.parentId}, extent: ${payload.extent}`
+        `Updated block parent: ${payload.id} -> parent: ${payload.parentId || 'null'}, extent: ${payload.extent || 'null'}${
+          isRemovingFromParent ? ' (cleared data JSON)' : ''
+        }`
       )
       break
     }
@@ -811,7 +827,7 @@ async function handleSubflowOperationTx(
               collection: payload.config.forEachItems,
               width: 500,
               height: 300,
-              type: 'loopNode',
+              type: 'subflowNode',
             },
             updatedAt: new Date(),
           })
@@ -822,7 +838,7 @@ async function handleSubflowOperationTx(
           ...payload.config,
           width: 500,
           height: 300,
-          type: 'parallelNode',
+          type: 'subflowNode',
         }
 
         // Include count if provided

apps/sim/stores/copilot/store.ts

@@ -238,6 +238,13 @@ function createErrorMessage(messageId: string, content: string): CopilotMessage
     role: 'assistant',
     content,
     timestamp: new Date().toISOString(),
+    contentBlocks: [
+      {
+        type: 'text',
+        content,
+        timestamp: Date.now(),
+      },
+    ],
   }
 }
 
@@ -1803,6 +1810,12 @@ async function* parseSSEStream(
   }
 }
 
+// Auth/usage assistant response messages for Copilot
+const COPILOT_AUTH_REQUIRED_MESSAGE =
+  '*Authorization failed. An API key must be configured in order to use the copilot. You can configure an API key at [sim.ai](https://sim.ai).*'
+const COPILOT_USAGE_EXCEEDED_MESSAGE =
+  '*Usage limit exceeded, please upgrade your plan or top up credits at [sim.ai](https://sim.ai) to continue using the copilot*'
+
 /**
  * Copilot store using the new unified API
  */
@@ -2249,7 +2262,28 @@ export const useCopilotStore = create<CopilotStore>()(
               logger.info('Message sending was aborted by user')
               return // Don't throw or update state, abort handler already did
             }
-            throw new Error(result.error || 'Failed to send message')
+
+            // Handle specific upstream statuses
+            let displayError = result.error || 'Failed to send message'
+            if (result.status === 401) {
+              displayError = COPILOT_AUTH_REQUIRED_MESSAGE
+            } else if (result.status === 402) {
+              displayError = COPILOT_USAGE_EXCEEDED_MESSAGE
+            }
+
+            const errorMessage = createErrorMessage(streamingMessage.id, displayError)
+
+            // Show as a normal assistant response without global error for auth/usage cases
+            const isAuthOrUsage = result.status === 401 || result.status === 402
+
+            set((state) => ({
+              messages: state.messages.map((msg) =>
+                msg.id === streamingMessage.id ? errorMessage : msg
+              ),
+              error: isAuthOrUsage ? null : displayError,
+              isSendingMessage: false,
+              abortController: null,
+            }))
           }
         } catch (error) {
           // Check if this was an abort
@@ -2504,7 +2538,25 @@ export const useCopilotStore = create<CopilotStore>()(
               logger.info('Implicit feedback sending was aborted by user')
               return
             }
-            throw new Error(result.error || 'Failed to send implicit feedback')
+            // Handle specific upstream statuses as normal assistant responses
+            let displayError = result.error || 'Failed to send implicit feedback'
+            if (result.status === 401) {
+              displayError = COPILOT_AUTH_REQUIRED_MESSAGE
+            } else if (result.status === 402) {
+              displayError = COPILOT_USAGE_EXCEEDED_MESSAGE
+            }
+
+            const errorMessage = createErrorMessage(newAssistantMessage.id, displayError)
+
+            const isAuthOrUsage = result.status === 401 || result.status === 402
+            set((state) => ({
+              messages: state.messages.map((msg) =>
+                msg.id === newAssistantMessage.id ? errorMessage : msg
+              ),
+              error: isAuthOrUsage ? null : displayError,
+              isSendingMessage: false,
+              abortController: null,
+            }))
           }
         } catch (error) {
           if (error instanceof Error && error.name === 'AbortError') {

apps/sim/stores/logs/filters/store.ts

@@ -261,8 +261,6 @@ export const useFilterStore = create<FilterState>((set, get) => ({
   buildQueryParams: (page: number, limit: number) => {
     const { workspaceId, timeRange, level, workflowIds, folderIds, searchQuery, triggers } = get()
     const params = new URLSearchParams()
-
-    params.set('includeWorkflow', 'true')
     params.set('limit', limit.toString())
     params.set('offset', ((page - 1) * limit).toString())
 

apps/sim/stores/logs/filters/types.ts

@@ -71,9 +71,8 @@ export interface TraceSpan {
 export interface WorkflowLog {
   id: string
   workflowId: string
-  executionId: string | null
+  executionId?: string | null
   level: string
-  message: string
   duration: string | null
   trigger: string | null
   createdAt: string
@@ -90,10 +89,10 @@ export interface WorkflowLog {
     storageProvider?: 's3' | 'blob' | 'local'
     bucketName?: string
   }>
-  metadata?: ToolCallMetadata & {
+  cost?: CostMetadata
+  executionData?: ToolCallMetadata & {
     traceSpans?: TraceSpan[]
     totalDuration?: number
-    cost?: CostMetadata
     blockInput?: Record<string, any>
     enhanced?: boolean