fix(agent): always fetch latest custom tool from DB when customToolId is present

* fix(terminal): reconnect to running executions after page refresh

* fix(terminal): use ExecutionEvent type instead of any in reconnection stream

* fix(execution): type event buffer with ExecutionEvent instead of Record<string, unknown>

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix(execution): validate fromEventId query param in reconnection endpoint

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Fix some bugs

* fix(variables): fix tag dropdown and cursor alignment in variables block (#3199)

* feat(confluence): added list space labels, delete label, delete page prop (#3201)

* updated route

* ack comments

* fix(execution): reset execution state in reconnection cleanup to unblock re-entry

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix(execution): restore running entries when reconnection is interrupted by navigation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* done

* remove cast in ioredis types

* ack PR comments

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Siddharth Ganesan <siddharthganesan@gmail.com>

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

@@ -29,7 +29,7 @@ const patchBodySchema = z
     description: z
       .string()
       .trim()
-      .max(500, 'Description must be 500 characters or less')
+      .max(2000, 'Description must be 2000 characters or less')
       .nullable()
       .optional(),
     isActive: z.literal(true).optional(), // Set to true to activate this version

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

@@ -12,7 +12,7 @@ import {
 import { generateRequestId } from '@/lib/core/utils/request'
 import { SSE_HEADERS } from '@/lib/core/utils/sse'
 import { getBaseUrl } from '@/lib/core/utils/urls'
-import { markExecutionCancelled } from '@/lib/execution/cancellation'
+import { createExecutionEventWriter, setExecutionMeta } from '@/lib/execution/event-buffer'
 import { processInputFileFields } from '@/lib/execution/files'
 import { preprocessExecution } from '@/lib/execution/preprocessing'
 import { LoggingSession } from '@/lib/logs/execution/logging-session'
@@ -700,15 +700,27 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
     const timeoutController = createTimeoutAbortController(preprocessResult.executionTimeout?.sync)
     let isStreamClosed = false
 
+    const eventWriter = createExecutionEventWriter(executionId)
+    setExecutionMeta(executionId, {
+      status: 'active',
+      userId: actorUserId,
+      workflowId,
+    }).catch(() => {})
+
     const stream = new ReadableStream<Uint8Array>({
       async start(controller) {
-        const sendEvent = (event: ExecutionEvent) => {
-          if (isStreamClosed) return
+        let finalMetaStatus: 'complete' | 'error' | 'cancelled' | null = null
 
-          try {
-            controller.enqueue(encodeSSEEvent(event))
-          } catch {
-            isStreamClosed = true
+        const sendEvent = (event: ExecutionEvent) => {
+          if (!isStreamClosed) {
+            try {
+              controller.enqueue(encodeSSEEvent(event))
+            } catch {
+              isStreamClosed = true
+            }
+          }
+          if (event.type !== 'stream:chunk' && event.type !== 'stream:done') {
+            eventWriter.write(event).catch(() => {})
           }
         }
 
@@ -829,14 +841,12 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
 
             const reader = streamingExec.stream.getReader()
             const decoder = new TextDecoder()
-            let chunkCount = 0
 
             try {
               while (true) {
                 const { done, value } = await reader.read()
                 if (done) break
 
-                chunkCount++
                 const chunk = decoder.decode(value, { stream: true })
                 sendEvent({
                   type: 'stream:chunk',
@@ -951,6 +961,7 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
                   duration: result.metadata?.duration || 0,
                 },
               })
+              finalMetaStatus = 'error'
             } else {
               logger.info(`[${requestId}] Workflow execution was cancelled`)
 
@@ -963,6 +974,7 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
                   duration: result.metadata?.duration || 0,
                 },
               })
+              finalMetaStatus = 'cancelled'
             }
             return
           }
@@ -986,6 +998,7 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
               endTime: result.metadata?.endTime || new Date().toISOString(),
             },
           })
+          finalMetaStatus = 'complete'
         } catch (error: unknown) {
           const isTimeout = isTimeoutError(error) || timeoutController.isTimedOut()
           const errorMessage = isTimeout
@@ -1017,7 +1030,18 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
               duration: executionResult?.metadata?.duration || 0,
             },
           })
+          finalMetaStatus = 'error'
         } finally {
+          try {
+            await eventWriter.close()
+          } catch (closeError) {
+            logger.warn(`[${requestId}] Failed to close event writer`, {
+              error: closeError instanceof Error ? closeError.message : String(closeError),
+            })
+          }
+          if (finalMetaStatus) {
+            setExecutionMeta(executionId, { status: finalMetaStatus }).catch(() => {})
+          }
           timeoutController.cleanup()
           if (executionId) {
             await cleanupExecutionBase64Cache(executionId)
@@ -1032,10 +1056,7 @@ export async function POST(req: NextRequest, { params }: { params: Promise<{ id:
       },
       cancel() {
         isStreamClosed = true
-        timeoutController.cleanup()
-        logger.info(`[${requestId}] Client aborted SSE stream, signalling cancellation`)
-        timeoutController.abort()
-        markExecutionCancelled(executionId).catch(() => {})
+        logger.info(`[${requestId}] Client disconnected from SSE stream`)
       },
     })
 

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

@@ -0,0 +1,170 @@
+import { createLogger } from '@sim/logger'
+import { type NextRequest, NextResponse } from 'next/server'
+import { checkHybridAuth } from '@/lib/auth/hybrid'
+import { SSE_HEADERS } from '@/lib/core/utils/sse'
+import {
+  type ExecutionStreamStatus,
+  getExecutionMeta,
+  readExecutionEvents,
+} from '@/lib/execution/event-buffer'
+import { formatSSEEvent } from '@/lib/workflows/executor/execution-events'
+import { authorizeWorkflowByWorkspacePermission } from '@/lib/workflows/utils'
+
+const logger = createLogger('ExecutionStreamReconnectAPI')
+
+const POLL_INTERVAL_MS = 500
+const MAX_POLL_DURATION_MS = 10 * 60 * 1000 // 10 minutes
+
+function isTerminalStatus(status: ExecutionStreamStatus): boolean {
+  return status === 'complete' || status === 'error' || status === 'cancelled'
+}
+
+export const runtime = 'nodejs'
+export const dynamic = 'force-dynamic'
+
+export async function GET(
+  req: NextRequest,
+  { params }: { params: Promise<{ id: string; executionId: string }> }
+) {
+  const { id: workflowId, executionId } = await params
+
+  try {
+    const auth = await checkHybridAuth(req, { requireWorkflowId: false })
+    if (!auth.success || !auth.userId) {
+      return NextResponse.json({ error: auth.error || 'Unauthorized' }, { status: 401 })
+    }
+
+    const workflowAuthorization = await authorizeWorkflowByWorkspacePermission({
+      workflowId,
+      userId: auth.userId,
+      action: 'read',
+    })
+    if (!workflowAuthorization.allowed) {
+      return NextResponse.json(
+        { error: workflowAuthorization.message || 'Access denied' },
+        { status: workflowAuthorization.status }
+      )
+    }
+
+    const meta = await getExecutionMeta(executionId)
+    if (!meta) {
+      return NextResponse.json({ error: 'Execution buffer not found or expired' }, { status: 404 })
+    }
+
+    if (meta.workflowId && meta.workflowId !== workflowId) {
+      return NextResponse.json(
+        { error: 'Execution does not belong to this workflow' },
+        { status: 403 }
+      )
+    }
+
+    const fromParam = req.nextUrl.searchParams.get('from')
+    const parsed = fromParam ? Number.parseInt(fromParam, 10) : 0
+    const fromEventId = Number.isFinite(parsed) && parsed >= 0 ? parsed : 0
+
+    logger.info('Reconnection stream requested', {
+      workflowId,
+      executionId,
+      fromEventId,
+      metaStatus: meta.status,
+    })
+
+    const encoder = new TextEncoder()
+
+    let closed = false
+
+    const stream = new ReadableStream<Uint8Array>({
+      async start(controller) {
+        let lastEventId = fromEventId
+        const pollDeadline = Date.now() + MAX_POLL_DURATION_MS
+
+        const enqueue = (text: string) => {
+          if (closed) return
+          try {
+            controller.enqueue(encoder.encode(text))
+          } catch {
+            closed = true
+          }
+        }
+
+        try {
+          const events = await readExecutionEvents(executionId, lastEventId)
+          for (const entry of events) {
+            if (closed) return
+            enqueue(formatSSEEvent(entry.event))
+            lastEventId = entry.eventId
+          }
+
+          const currentMeta = await getExecutionMeta(executionId)
+          if (!currentMeta || isTerminalStatus(currentMeta.status)) {
+            enqueue('data: [DONE]\n\n')
+            if (!closed) controller.close()
+            return
+          }
+
+          while (!closed && Date.now() < pollDeadline) {
+            await new Promise((resolve) => setTimeout(resolve, POLL_INTERVAL_MS))
+            if (closed) return
+
+            const newEvents = await readExecutionEvents(executionId, lastEventId)
+            for (const entry of newEvents) {
+              if (closed) return
+              enqueue(formatSSEEvent(entry.event))
+              lastEventId = entry.eventId
+            }
+
+            const polledMeta = await getExecutionMeta(executionId)
+            if (!polledMeta || isTerminalStatus(polledMeta.status)) {
+              const finalEvents = await readExecutionEvents(executionId, lastEventId)
+              for (const entry of finalEvents) {
+                if (closed) return
+                enqueue(formatSSEEvent(entry.event))
+                lastEventId = entry.eventId
+              }
+              enqueue('data: [DONE]\n\n')
+              if (!closed) controller.close()
+              return
+            }
+          }
+
+          if (!closed) {
+            logger.warn('Reconnection stream poll deadline reached', { executionId })
+            enqueue('data: [DONE]\n\n')
+            controller.close()
+          }
+        } catch (error) {
+          logger.error('Error in reconnection stream', {
+            executionId,
+            error: error instanceof Error ? error.message : String(error),
+          })
+          if (!closed) {
+            try {
+              controller.close()
+            } catch {}
+          }
+        }
+      },
+      cancel() {
+        closed = true
+        logger.info('Client disconnected from reconnection stream', { executionId })
+      },
+    })
+
+    return new NextResponse(stream, {
+      headers: {
+        ...SSE_HEADERS,
+        'X-Execution-Id': executionId,
+      },
+    })
+  } catch (error: any) {
+    logger.error('Failed to start reconnection stream', {
+      workflowId,
+      executionId,
+      error: error.message,
+    })
+    return NextResponse.json(
+      { error: error.message || 'Failed to start reconnection stream' },
+      { status: 500 }
+    )
+  }
+}

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/deploy/components/deploy-modal/components/general/components/version-description-modal.tsx

@@ -113,7 +113,7 @@ export function VersionDescriptionModal({
               className='min-h-[120px] resize-none'
               value={description}
               onChange={(e) => setDescription(e.target.value)}
-              maxLength={500}
+              maxLength={2000}
               disabled={isGenerating}
             />
             <div className='flex items-center justify-between'>
@@ -123,7 +123,7 @@ export function VersionDescriptionModal({
                 </p>
               )}
               {!updateMutation.error && !generateMutation.error && <div />}
-              <p className='text-[11px] text-[var(--text-tertiary)]'>{description.length}/500</p>
+              <p className='text-[11px] text-[var(--text-tertiary)]'>{description.length}/2000</p>
             </div>
           </ModalBody>
           <ModalFooter>

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/deploy/hooks/use-change-detection.ts

@@ -57,6 +57,21 @@ export function useChangeDetection({
         }
       }
 
+      if (block.triggerMode) {
+        const triggerConfigValue = blockSubValues?.triggerConfig
+        if (
+          triggerConfigValue &&
+          typeof triggerConfigValue === 'object' &&
+          !subBlocks.triggerConfig
+        ) {
+          subBlocks.triggerConfig = {
+            id: 'triggerConfig',
+            type: 'short-input',
+            value: triggerConfigValue,
+          }
+        }
+      }
+
       blocksWithSubBlocks[blockId] = {
         ...block,
         subBlocks,

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/hooks/use-workflow-execution.ts

@@ -1,4 +1,4 @@
-import { useCallback, useRef, useState } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
 import { createLogger } from '@sim/logger'
 import { useQueryClient } from '@tanstack/react-query'
 import { v4 as uuidv4 } from 'uuid'
@@ -46,7 +46,13 @@ import { useWorkflowStore } from '@/stores/workflows/workflow/store'
 
 const logger = createLogger('useWorkflowExecution')
 
-// Debug state validation result
+/**
+ * Module-level Set tracking which workflows have an active reconnection effect.
+ * Prevents multiple hook instances (from different components) from starting
+ * concurrent reconnection streams for the same workflow during the same mount cycle.
+ */
+const activeReconnections = new Set<string>()
+
 interface DebugValidationResult {
   isValid: boolean
   error?: string
@@ -54,7 +60,7 @@ interface DebugValidationResult {
 
 interface BlockEventHandlerConfig {
   workflowId?: string
-  executionId?: string
+  executionIdRef: { current: string }
   workflowEdges: Array<{ id: string; target: string; sourceHandle?: string | null }>
   activeBlocksSet: Set<string>
   accumulatedBlockLogs: BlockLog[]
@@ -108,12 +114,15 @@ export function useWorkflowExecution() {
   const queryClient = useQueryClient()
   const currentWorkflow = useCurrentWorkflow()
   const { activeWorkflowId, workflows } = useWorkflowRegistry()
-  const { toggleConsole, addConsole, updateConsole, cancelRunningEntries } =
+  const { toggleConsole, addConsole, updateConsole, cancelRunningEntries, clearExecutionEntries } =
     useTerminalConsoleStore()
+  const hasHydrated = useTerminalConsoleStore((s) => s._hasHydrated)
   const { getAllVariables } = useEnvironmentStore()
   const { getVariablesByWorkflowId, variables } = useVariablesStore()
   const { isExecuting, isDebugging, pendingBlocks, executor, debugContext } =
     useCurrentWorkflowExecution()
+  const setCurrentExecutionId = useExecutionStore((s) => s.setCurrentExecutionId)
+  const getCurrentExecutionId = useExecutionStore((s) => s.getCurrentExecutionId)
   const setIsExecuting = useExecutionStore((s) => s.setIsExecuting)
   const setIsDebugging = useExecutionStore((s) => s.setIsDebugging)
   const setPendingBlocks = useExecutionStore((s) => s.setPendingBlocks)
@@ -297,7 +306,7 @@ export function useWorkflowExecution() {
     (config: BlockEventHandlerConfig) => {
       const {
         workflowId,
-        executionId,
+        executionIdRef,
         workflowEdges,
         activeBlocksSet,
         accumulatedBlockLogs,
@@ -308,6 +317,14 @@ export function useWorkflowExecution() {
         onBlockCompleteCallback,
       } = config
 
+      /** Returns true if this execution was cancelled or superseded by another run. */
+      const isStaleExecution = () =>
+        !!(
+          workflowId &&
+          executionIdRef.current &&
+          useExecutionStore.getState().getCurrentExecutionId(workflowId) !== executionIdRef.current
+        )
+
       const updateActiveBlocks = (blockId: string, isActive: boolean) => {
         if (!workflowId) return
         if (isActive) {
@@ -360,7 +377,7 @@ export function useWorkflowExecution() {
           endedAt: data.endedAt,
           workflowId,
           blockId: data.blockId,
-          executionId,
+          executionId: executionIdRef.current,
           blockName: data.blockName || 'Unknown Block',
           blockType: data.blockType || 'unknown',
           iterationCurrent: data.iterationCurrent,
@@ -383,7 +400,7 @@ export function useWorkflowExecution() {
           endedAt: data.endedAt,
           workflowId,
           blockId: data.blockId,
-          executionId,
+          executionId: executionIdRef.current,
           blockName: data.blockName || 'Unknown Block',
           blockType: data.blockType || 'unknown',
           iterationCurrent: data.iterationCurrent,
@@ -410,7 +427,7 @@ export function useWorkflowExecution() {
             iterationType: data.iterationType,
             iterationContainerId: data.iterationContainerId,
           },
-          executionId
+          executionIdRef.current
         )
       }
 
@@ -432,11 +449,12 @@ export function useWorkflowExecution() {
             iterationType: data.iterationType,
             iterationContainerId: data.iterationContainerId,
           },
-          executionId
+          executionIdRef.current
         )
       }
 
       const onBlockStarted = (data: BlockStartedData) => {
+        if (isStaleExecution()) return
         updateActiveBlocks(data.blockId, true)
         markIncomingEdges(data.blockId)
 
@@ -453,7 +471,7 @@ export function useWorkflowExecution() {
           endedAt: undefined,
           workflowId,
           blockId: data.blockId,
-          executionId,
+          executionId: executionIdRef.current,
           blockName: data.blockName || 'Unknown Block',
           blockType: data.blockType || 'unknown',
           isRunning: true,
@@ -465,6 +483,7 @@ export function useWorkflowExecution() {
       }
 
       const onBlockCompleted = (data: BlockCompletedData) => {
+        if (isStaleExecution()) return
         updateActiveBlocks(data.blockId, false)
         if (workflowId) setBlockRunStatus(workflowId, data.blockId, 'success')
 
@@ -495,6 +514,7 @@ export function useWorkflowExecution() {
       }
 
       const onBlockError = (data: BlockErrorData) => {
+        if (isStaleExecution()) return
         updateActiveBlocks(data.blockId, false)
         if (workflowId) setBlockRunStatus(workflowId, data.blockId, 'error')
 
@@ -902,10 +922,6 @@ export function useWorkflowExecution() {
 
                 // Update block logs with actual stream completion times
                 if (result.logs && streamCompletionTimes.size > 0) {
-                  const streamCompletionEndTime = new Date(
-                    Math.max(...Array.from(streamCompletionTimes.values()))
-                  ).toISOString()
-
                   result.logs.forEach((log: BlockLog) => {
                     if (streamCompletionTimes.has(log.blockId)) {
                       const completionTime = streamCompletionTimes.get(log.blockId)!
@@ -987,7 +1003,6 @@ export function useWorkflowExecution() {
         return { success: true, stream }
       }
 
-      // For manual (non-chat) execution
       const manualExecutionId = uuidv4()
       try {
         const result = await executeWorkflow(
@@ -1002,29 +1017,10 @@ export function useWorkflowExecution() {
           if (result.metadata.pendingBlocks) {
             setPendingBlocks(activeWorkflowId, result.metadata.pendingBlocks)
           }
-        } else if (result && 'success' in result) {
-          setExecutionResult(result)
-          // Reset execution state after successful non-debug execution
-          setIsExecuting(activeWorkflowId, false)
-          setIsDebugging(activeWorkflowId, false)
-          setActiveBlocks(activeWorkflowId, new Set())
-
-          if (isChatExecution) {
-            if (!result.metadata) {
-              result.metadata = { duration: 0, startTime: new Date().toISOString() }
-            }
-            ;(result.metadata as any).source = 'chat'
-          }
-
-          // Invalidate subscription queries to update usage
-          setTimeout(() => {
-            queryClient.invalidateQueries({ queryKey: subscriptionKeys.all })
-          }, 1000)
         }
         return result
       } catch (error: any) {
         const errorResult = handleExecutionError(error, { executionId: manualExecutionId })
-        // Note: Error logs are already persisted server-side via execution-core.ts
         return errorResult
       }
     },
@@ -1275,7 +1271,7 @@ export function useWorkflowExecution() {
     if (activeWorkflowId) {
       logger.info('Using server-side executor')
 
-      const executionId = uuidv4()
+      const executionIdRef = { current: '' }
 
       let executionResult: ExecutionResult = {
         success: false,
@@ -1293,7 +1289,7 @@ export function useWorkflowExecution() {
       try {
         const blockHandlers = buildBlockEventHandlers({
           workflowId: activeWorkflowId,
-          executionId,
+          executionIdRef,
           workflowEdges,
           activeBlocksSet,
           accumulatedBlockLogs,
@@ -1326,6 +1322,10 @@ export function useWorkflowExecution() {
             loops: clientWorkflowState.loops,
             parallels: clientWorkflowState.parallels,
           },
+          onExecutionId: (id) => {
+            executionIdRef.current = id
+            setCurrentExecutionId(activeWorkflowId, id)
+          },
           callbacks: {
             onExecutionStarted: (data) => {
               logger.info('Server execution started:', data)
@@ -1368,6 +1368,18 @@ export function useWorkflowExecution() {
             },
 
             onExecutionCompleted: (data) => {
+              if (
+                activeWorkflowId &&
+                executionIdRef.current &&
+                useExecutionStore.getState().getCurrentExecutionId(activeWorkflowId) !==
+                  executionIdRef.current
+              )
+                return
+
+              if (activeWorkflowId) {
+                setCurrentExecutionId(activeWorkflowId, null)
+              }
+
               executionResult = {
                 success: data.success,
                 output: data.output,
@@ -1425,9 +1437,33 @@ export function useWorkflowExecution() {
                   })
                 }
               }
+
+              const workflowExecState = activeWorkflowId
+                ? useExecutionStore.getState().getWorkflowExecution(activeWorkflowId)
+                : null
+              if (activeWorkflowId && !workflowExecState?.isDebugging) {
+                setExecutionResult(executionResult)
+                setIsExecuting(activeWorkflowId, false)
+                setActiveBlocks(activeWorkflowId, new Set())
+                setTimeout(() => {
+                  queryClient.invalidateQueries({ queryKey: subscriptionKeys.all })
+                }, 1000)
+              }
             },
 
             onExecutionError: (data) => {
+              if (
+                activeWorkflowId &&
+                executionIdRef.current &&
+                useExecutionStore.getState().getCurrentExecutionId(activeWorkflowId) !==
+                  executionIdRef.current
+              )
+                return
+
+              if (activeWorkflowId) {
+                setCurrentExecutionId(activeWorkflowId, null)
+              }
+
               executionResult = {
                 success: false,
                 output: {},
@@ -1441,43 +1477,53 @@ export function useWorkflowExecution() {
               const isPreExecutionError = accumulatedBlockLogs.length === 0
               handleExecutionErrorConsole({
                 workflowId: activeWorkflowId,
-                executionId,
+                executionId: executionIdRef.current,
                 error: data.error,
                 durationMs: data.duration,
                 blockLogs: accumulatedBlockLogs,
                 isPreExecutionError,
               })
+
+              if (activeWorkflowId) {
+                setIsExecuting(activeWorkflowId, false)
+                setIsDebugging(activeWorkflowId, false)
+                setActiveBlocks(activeWorkflowId, new Set())
+              }
             },
 
             onExecutionCancelled: (data) => {
+              if (
+                activeWorkflowId &&
+                executionIdRef.current &&
+                useExecutionStore.getState().getCurrentExecutionId(activeWorkflowId) !==
+                  executionIdRef.current
+              )
+                return
+
+              if (activeWorkflowId) {
+                setCurrentExecutionId(activeWorkflowId, null)
+              }
+
               handleExecutionCancelledConsole({
                 workflowId: activeWorkflowId,
-                executionId,
+                executionId: executionIdRef.current,
                 durationMs: data?.duration,
               })
+
+              if (activeWorkflowId) {
+                setIsExecuting(activeWorkflowId, false)
+                setIsDebugging(activeWorkflowId, false)
+                setActiveBlocks(activeWorkflowId, new Set())
+              }
             },
           },
         })
 
         return executionResult
       } catch (error: any) {
-        // Don't log abort errors - they're intentional user actions
         if (error.name === 'AbortError' || error.message?.includes('aborted')) {
           logger.info('Execution aborted by user')
-
-          // Reset execution state
-          if (activeWorkflowId) {
-            setIsExecuting(activeWorkflowId, false)
-            setActiveBlocks(activeWorkflowId, new Set())
-          }
-
-          // Return gracefully without error
-          return {
-            success: false,
-            output: {},
-            metadata: { duration: 0 },
-            logs: [],
-          }
+          return executionResult
         }
 
         logger.error('Server-side execution failed:', error)
@@ -1485,7 +1531,6 @@ export function useWorkflowExecution() {
       }
     }
 
-    // Fallback: should never reach here
     throw new Error('Server-side execution is required')
   }
 
@@ -1717,25 +1762,28 @@ export function useWorkflowExecution() {
    * Handles cancelling the current workflow execution
    */
   const handleCancelExecution = useCallback(() => {
+    if (!activeWorkflowId) return
     logger.info('Workflow execution cancellation requested')
 
-    // Cancel the execution stream for this workflow (server-side)
-    executionStream.cancel(activeWorkflowId ?? undefined)
+    const storedExecutionId = getCurrentExecutionId(activeWorkflowId)
 
-    // Mark current chat execution as superseded so its cleanup won't affect new executions
-    currentChatExecutionIdRef.current = null
-
-    // Mark all running entries as canceled in the terminal
-    if (activeWorkflowId) {
-      cancelRunningEntries(activeWorkflowId)
-
-      // Reset execution state - this triggers chat stream cleanup via useEffect in chat.tsx
-      setIsExecuting(activeWorkflowId, false)
-      setIsDebugging(activeWorkflowId, false)
-      setActiveBlocks(activeWorkflowId, new Set())
+    if (storedExecutionId) {
+      setCurrentExecutionId(activeWorkflowId, null)
+      fetch(`/api/workflows/${activeWorkflowId}/executions/${storedExecutionId}/cancel`, {
+        method: 'POST',
+      }).catch(() => {})
+      handleExecutionCancelledConsole({
+        workflowId: activeWorkflowId,
+        executionId: storedExecutionId,
+      })
     }
 
-    // If in debug mode, also reset debug state
+    executionStream.cancel(activeWorkflowId)
+    currentChatExecutionIdRef.current = null
+    setIsExecuting(activeWorkflowId, false)
+    setIsDebugging(activeWorkflowId, false)
+    setActiveBlocks(activeWorkflowId, new Set())
+
     if (isDebugging) {
       resetDebugState()
     }
@@ -1747,7 +1795,9 @@ export function useWorkflowExecution() {
     setIsDebugging,
     setActiveBlocks,
     activeWorkflowId,
-    cancelRunningEntries,
+    getCurrentExecutionId,
+    setCurrentExecutionId,
+    handleExecutionCancelledConsole,
   ])
 
   /**
@@ -1847,7 +1897,7 @@ export function useWorkflowExecution() {
       }
 
       setIsExecuting(workflowId, true)
-      const executionId = uuidv4()
+      const executionIdRef = { current: '' }
       const accumulatedBlockLogs: BlockLog[] = []
       const accumulatedBlockStates = new Map<string, BlockState>()
       const executedBlockIds = new Set<string>()
@@ -1856,7 +1906,7 @@ export function useWorkflowExecution() {
       try {
         const blockHandlers = buildBlockEventHandlers({
           workflowId,
-          executionId,
+          executionIdRef,
           workflowEdges,
           activeBlocksSet,
           accumulatedBlockLogs,
@@ -1871,6 +1921,10 @@ export function useWorkflowExecution() {
           startBlockId: blockId,
           sourceSnapshot: effectiveSnapshot,
           input: workflowInput,
+          onExecutionId: (id) => {
+            executionIdRef.current = id
+            setCurrentExecutionId(workflowId, id)
+          },
           callbacks: {
             onBlockStarted: blockHandlers.onBlockStarted,
             onBlockCompleted: blockHandlers.onBlockCompleted,
@@ -1878,7 +1932,6 @@ export function useWorkflowExecution() {
 
             onExecutionCompleted: (data) => {
               if (data.success) {
-                // Add the start block (trigger) to executed blocks
                 executedBlockIds.add(blockId)
 
                 const mergedBlockStates: Record<string, BlockState> = {
@@ -1902,6 +1955,10 @@ export function useWorkflowExecution() {
                 }
                 setLastExecutionSnapshot(workflowId, updatedSnapshot)
               }
+
+              setCurrentExecutionId(workflowId, null)
+              setIsExecuting(workflowId, false)
+              setActiveBlocks(workflowId, new Set())
             },
 
             onExecutionError: (data) => {
@@ -1921,19 +1978,27 @@ export function useWorkflowExecution() {
 
               handleExecutionErrorConsole({
                 workflowId,
-                executionId,
+                executionId: executionIdRef.current,
                 error: data.error,
                 durationMs: data.duration,
                 blockLogs: accumulatedBlockLogs,
               })
+
+              setCurrentExecutionId(workflowId, null)
+              setIsExecuting(workflowId, false)
+              setActiveBlocks(workflowId, new Set())
             },
 
             onExecutionCancelled: (data) => {
               handleExecutionCancelledConsole({
                 workflowId,
-                executionId,
+                executionId: executionIdRef.current,
                 durationMs: data?.duration,
               })
+
+              setCurrentExecutionId(workflowId, null)
+              setIsExecuting(workflowId, false)
+              setActiveBlocks(workflowId, new Set())
             },
           },
         })
@@ -1942,14 +2007,20 @@ export function useWorkflowExecution() {
           logger.error('Run-from-block failed:', error)
         }
       } finally {
-        setIsExecuting(workflowId, false)
-        setActiveBlocks(workflowId, new Set())
+        const currentId = getCurrentExecutionId(workflowId)
+        if (currentId === null || currentId === executionIdRef.current) {
+          setCurrentExecutionId(workflowId, null)
+          setIsExecuting(workflowId, false)
+          setActiveBlocks(workflowId, new Set())
+        }
       }
     },
     [
       getLastExecutionSnapshot,
       setLastExecutionSnapshot,
       clearLastExecutionSnapshot,
+      getCurrentExecutionId,
+      setCurrentExecutionId,
       setIsExecuting,
       setActiveBlocks,
       setBlockRunStatus,
@@ -1979,29 +2050,213 @@ export function useWorkflowExecution() {
 
       const executionId = uuidv4()
       try {
-        const result = await executeWorkflow(
-          undefined,
-          undefined,
-          executionId,
-          undefined,
-          'manual',
-          blockId
-        )
-        if (result && 'success' in result) {
-          setExecutionResult(result)
-        }
+        await executeWorkflow(undefined, undefined, executionId, undefined, 'manual', blockId)
       } catch (error) {
         const errorResult = handleExecutionError(error, { executionId })
         return errorResult
       } finally {
+        setCurrentExecutionId(workflowId, null)
         setIsExecuting(workflowId, false)
         setIsDebugging(workflowId, false)
         setActiveBlocks(workflowId, new Set())
       }
     },
-    [activeWorkflowId, setExecutionResult, setIsExecuting, setIsDebugging, setActiveBlocks]
+    [
+      activeWorkflowId,
+      setCurrentExecutionId,
+      setExecutionResult,
+      setIsExecuting,
+      setIsDebugging,
+      setActiveBlocks,
+    ]
   )
 
+  useEffect(() => {
+    if (!activeWorkflowId || !hasHydrated) return
+
+    const entries = useTerminalConsoleStore.getState().entries
+    const runningEntries = entries.filter(
+      (e) => e.isRunning && e.workflowId === activeWorkflowId && e.executionId
+    )
+    if (runningEntries.length === 0) return
+
+    if (activeReconnections.has(activeWorkflowId)) return
+    activeReconnections.add(activeWorkflowId)
+
+    executionStream.cancel(activeWorkflowId)
+
+    const sorted = [...runningEntries].sort((a, b) => {
+      const aTime = a.startedAt ? new Date(a.startedAt).getTime() : 0
+      const bTime = b.startedAt ? new Date(b.startedAt).getTime() : 0
+      return bTime - aTime
+    })
+    const executionId = sorted[0].executionId!
+
+    const otherExecutionIds = new Set(
+      sorted.filter((e) => e.executionId !== executionId).map((e) => e.executionId!)
+    )
+    if (otherExecutionIds.size > 0) {
+      cancelRunningEntries(activeWorkflowId)
+    }
+
+    setCurrentExecutionId(activeWorkflowId, executionId)
+    setIsExecuting(activeWorkflowId, true)
+
+    const workflowEdges = useWorkflowStore.getState().edges
+    const activeBlocksSet = new Set<string>()
+    const accumulatedBlockLogs: BlockLog[] = []
+    const accumulatedBlockStates = new Map<string, BlockState>()
+    const executedBlockIds = new Set<string>()
+
+    const executionIdRef = { current: executionId }
+
+    const handlers = buildBlockEventHandlers({
+      workflowId: activeWorkflowId,
+      executionIdRef,
+      workflowEdges,
+      activeBlocksSet,
+      accumulatedBlockLogs,
+      accumulatedBlockStates,
+      executedBlockIds,
+      consoleMode: 'update',
+      includeStartConsoleEntry: true,
+    })
+
+    const originalEntries = entries
+      .filter((e) => e.executionId === executionId)
+      .map((e) => ({ ...e }))
+
+    let cleared = false
+    let reconnectionComplete = false
+    let cleanupRan = false
+    const clearOnce = () => {
+      if (!cleared) {
+        cleared = true
+        clearExecutionEntries(executionId)
+      }
+    }
+
+    const reconnectWorkflowId = activeWorkflowId
+
+    executionStream
+      .reconnect({
+        workflowId: reconnectWorkflowId,
+        executionId,
+        callbacks: {
+          onBlockStarted: (data) => {
+            clearOnce()
+            handlers.onBlockStarted(data)
+          },
+          onBlockCompleted: (data) => {
+            clearOnce()
+            handlers.onBlockCompleted(data)
+          },
+          onBlockError: (data) => {
+            clearOnce()
+            handlers.onBlockError(data)
+          },
+          onExecutionCompleted: () => {
+            const currentId = useExecutionStore
+              .getState()
+              .getCurrentExecutionId(reconnectWorkflowId)
+            if (currentId !== executionId) {
+              reconnectionComplete = true
+              activeReconnections.delete(reconnectWorkflowId)
+              return
+            }
+            clearOnce()
+            reconnectionComplete = true
+            activeReconnections.delete(reconnectWorkflowId)
+            setCurrentExecutionId(reconnectWorkflowId, null)
+            setIsExecuting(reconnectWorkflowId, false)
+            setActiveBlocks(reconnectWorkflowId, new Set())
+          },
+          onExecutionError: (data) => {
+            const currentId = useExecutionStore
+              .getState()
+              .getCurrentExecutionId(reconnectWorkflowId)
+            if (currentId !== executionId) {
+              reconnectionComplete = true
+              activeReconnections.delete(reconnectWorkflowId)
+              return
+            }
+            clearOnce()
+            reconnectionComplete = true
+            activeReconnections.delete(reconnectWorkflowId)
+            setCurrentExecutionId(reconnectWorkflowId, null)
+            setIsExecuting(reconnectWorkflowId, false)
+            setActiveBlocks(reconnectWorkflowId, new Set())
+            handleExecutionErrorConsole({
+              workflowId: reconnectWorkflowId,
+              executionId,
+              error: data.error,
+              blockLogs: accumulatedBlockLogs,
+            })
+          },
+          onExecutionCancelled: () => {
+            const currentId = useExecutionStore
+              .getState()
+              .getCurrentExecutionId(reconnectWorkflowId)
+            if (currentId !== executionId) {
+              reconnectionComplete = true
+              activeReconnections.delete(reconnectWorkflowId)
+              return
+            }
+            clearOnce()
+            reconnectionComplete = true
+            activeReconnections.delete(reconnectWorkflowId)
+            setCurrentExecutionId(reconnectWorkflowId, null)
+            setIsExecuting(reconnectWorkflowId, false)
+            setActiveBlocks(reconnectWorkflowId, new Set())
+            handleExecutionCancelledConsole({
+              workflowId: reconnectWorkflowId,
+              executionId,
+            })
+          },
+        },
+      })
+      .catch((error) => {
+        logger.warn('Execution reconnection failed', { executionId, error })
+      })
+      .finally(() => {
+        if (reconnectionComplete || cleanupRan) return
+        const currentId = useExecutionStore.getState().getCurrentExecutionId(reconnectWorkflowId)
+        if (currentId !== executionId) return
+        reconnectionComplete = true
+        activeReconnections.delete(reconnectWorkflowId)
+        clearExecutionEntries(executionId)
+        for (const entry of originalEntries) {
+          addConsole({
+            workflowId: entry.workflowId,
+            blockId: entry.blockId,
+            blockName: entry.blockName,
+            blockType: entry.blockType,
+            executionId: entry.executionId,
+            executionOrder: entry.executionOrder,
+            isRunning: false,
+            warning: 'Execution result unavailable — check the logs page',
+          })
+        }
+        setCurrentExecutionId(reconnectWorkflowId, null)
+        setIsExecuting(reconnectWorkflowId, false)
+        setActiveBlocks(reconnectWorkflowId, new Set())
+      })
+
+    return () => {
+      cleanupRan = true
+      executionStream.cancel(reconnectWorkflowId)
+      activeReconnections.delete(reconnectWorkflowId)
+
+      if (cleared && !reconnectionComplete) {
+        clearExecutionEntries(executionId)
+        for (const entry of originalEntries) {
+          addConsole(entry)
+        }
+      }
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [activeWorkflowId, hasHydrated])
+
   return {
     isExecuting,
     isDebugging,

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

@@ -1901,5 +1901,317 @@ describe('AgentBlockHandler', () => {
 
       expect(discoveryCalls[0].url).toContain('serverId=mcp-legacy-server')
     })
+
+    describe('customToolId resolution - DB as source of truth', () => {
+      const staleInlineSchema = {
+        function: {
+          name: 'buttonTemplate',
+          description: 'Creates a button template',
+          parameters: {
+            type: 'object',
+            properties: {
+              sender_id: { type: 'string', description: 'Sender ID' },
+              header_value: { type: 'string', description: 'Header text' },
+              body_value: { type: 'string', description: 'Body text' },
+              button_array: {
+                type: 'array',
+                items: { type: 'string' },
+                description: 'Button labels',
+              },
+            },
+            required: ['sender_id', 'header_value', 'body_value', 'button_array'],
+          },
+        },
+      }
+
+      const dbSchema = {
+        function: {
+          name: 'buttonTemplate',
+          description: 'Creates a button template',
+          parameters: {
+            type: 'object',
+            properties: {
+              sender_id: { type: 'string', description: 'Sender ID' },
+              header_value: { type: 'string', description: 'Header text' },
+              body_value: { type: 'string', description: 'Body text' },
+              button_array: {
+                type: 'array',
+                items: { type: 'string' },
+                description: 'Button labels',
+              },
+              channel: { type: 'string', description: 'Channel name' },
+            },
+            required: ['sender_id', 'header_value', 'body_value', 'button_array', 'channel'],
+          },
+        },
+      }
+
+      const staleInlineCode =
+        'return JSON.stringify({ type: "button", phone: sender_id, header: header_value, body: body_value, buttons: button_array });'
+      const dbCode =
+        'if (channel === "whatsapp") { return JSON.stringify({ type: "button", phone: sender_id, header: header_value, body: body_value, buttons: button_array }); }'
+
+      function mockFetchForCustomTool(toolId: string) {
+        mockFetch.mockImplementation((url: string) => {
+          if (typeof url === 'string' && url.includes('/api/tools/custom')) {
+            return Promise.resolve({
+              ok: true,
+              headers: { get: () => null },
+              json: () =>
+                Promise.resolve({
+                  data: [
+                    {
+                      id: toolId,
+                      title: 'buttonTemplate',
+                      schema: dbSchema,
+                      code: dbCode,
+                    },
+                  ],
+                }),
+            })
+          }
+          return Promise.resolve({
+            ok: true,
+            headers: { get: () => null },
+            json: () => Promise.resolve({}),
+          })
+        })
+      }
+
+      function mockFetchFailure() {
+        mockFetch.mockImplementation((url: string) => {
+          if (typeof url === 'string' && url.includes('/api/tools/custom')) {
+            return Promise.resolve({
+              ok: false,
+              status: 500,
+              headers: { get: () => null },
+              json: () => Promise.resolve({}),
+            })
+          }
+          return Promise.resolve({
+            ok: true,
+            headers: { get: () => null },
+            json: () => Promise.resolve({}),
+          })
+        })
+      }
+
+      beforeEach(() => {
+        Object.defineProperty(global, 'window', {
+          value: undefined,
+          writable: true,
+          configurable: true,
+        })
+      })
+
+      it('should always fetch latest schema from DB when customToolId is present', async () => {
+        const toolId = 'custom-tool-123'
+        mockFetchForCustomTool(toolId)
+
+        const inputs = {
+          model: 'gpt-4o',
+          userPrompt: 'Send a button template',
+          apiKey: 'test-api-key',
+          tools: [
+            {
+              type: 'custom-tool',
+              customToolId: toolId,
+              title: 'buttonTemplate',
+              schema: staleInlineSchema,
+              code: staleInlineCode,
+              usageControl: 'auto' as const,
+            },
+          ],
+        }
+
+        mockGetProviderFromModel.mockReturnValue('openai')
+
+        await handler.execute(mockContext, mockBlock, inputs)
+
+        expect(mockExecuteProviderRequest).toHaveBeenCalled()
+        const providerCall = mockExecuteProviderRequest.mock.calls[0]
+        const tools = providerCall[1].tools
+
+        expect(tools.length).toBe(1)
+        // DB schema wins over stale inline — includes channel param
+        expect(tools[0].parameters.required).toContain('channel')
+        expect(tools[0].parameters.properties).toHaveProperty('channel')
+      })
+
+      it('should fetch from DB when customToolId has no inline schema', async () => {
+        const toolId = 'custom-tool-123'
+        mockFetchForCustomTool(toolId)
+
+        const inputs = {
+          model: 'gpt-4o',
+          userPrompt: 'Send a button template',
+          apiKey: 'test-api-key',
+          tools: [
+            {
+              type: 'custom-tool',
+              customToolId: toolId,
+              usageControl: 'auto' as const,
+            },
+          ],
+        }
+
+        mockGetProviderFromModel.mockReturnValue('openai')
+
+        await handler.execute(mockContext, mockBlock, inputs)
+
+        expect(mockExecuteProviderRequest).toHaveBeenCalled()
+        const providerCall = mockExecuteProviderRequest.mock.calls[0]
+        const tools = providerCall[1].tools
+
+        expect(tools.length).toBe(1)
+        expect(tools[0].name).toBe('buttonTemplate')
+        expect(tools[0].parameters.required).toContain('channel')
+      })
+
+      it('should fall back to inline schema when DB fetch fails and inline exists', async () => {
+        mockFetchFailure()
+
+        const inputs = {
+          model: 'gpt-4o',
+          userPrompt: 'Send a button template',
+          apiKey: 'test-api-key',
+          tools: [
+            {
+              type: 'custom-tool',
+              customToolId: 'custom-tool-123',
+              title: 'buttonTemplate',
+              schema: staleInlineSchema,
+              code: staleInlineCode,
+              usageControl: 'auto' as const,
+            },
+          ],
+        }
+
+        mockGetProviderFromModel.mockReturnValue('openai')
+
+        await handler.execute(mockContext, mockBlock, inputs)
+
+        expect(mockExecuteProviderRequest).toHaveBeenCalled()
+        const providerCall = mockExecuteProviderRequest.mock.calls[0]
+        const tools = providerCall[1].tools
+
+        // Falls back to inline schema (4 params, no channel)
+        expect(tools.length).toBe(1)
+        expect(tools[0].name).toBe('buttonTemplate')
+        expect(tools[0].parameters.required).not.toContain('channel')
+      })
+
+      it('should return null when DB fetch fails and no inline schema exists', async () => {
+        mockFetchFailure()
+
+        const inputs = {
+          model: 'gpt-4o',
+          userPrompt: 'Send a button template',
+          apiKey: 'test-api-key',
+          tools: [
+            {
+              type: 'custom-tool',
+              customToolId: 'custom-tool-123',
+              usageControl: 'auto' as const,
+            },
+          ],
+        }
+
+        mockGetProviderFromModel.mockReturnValue('openai')
+
+        await handler.execute(mockContext, mockBlock, inputs)
+
+        expect(mockExecuteProviderRequest).toHaveBeenCalled()
+        const providerCall = mockExecuteProviderRequest.mock.calls[0]
+        const tools = providerCall[1].tools
+
+        expect(tools.length).toBe(0)
+      })
+
+      it('should use DB code for executeFunction when customToolId resolves', async () => {
+        const toolId = 'custom-tool-123'
+        mockFetchForCustomTool(toolId)
+
+        let capturedTools: any[] = []
+        Promise.all = vi.fn().mockImplementation((promises: Promise<any>[]) => {
+          const result = originalPromiseAll.call(Promise, promises)
+          result.then((tools: any[]) => {
+            if (tools?.length) {
+              capturedTools = tools.filter((t) => t !== null)
+            }
+          })
+          return result
+        })
+
+        const inputs = {
+          model: 'gpt-4o',
+          userPrompt: 'Send a button template',
+          apiKey: 'test-api-key',
+          tools: [
+            {
+              type: 'custom-tool',
+              customToolId: toolId,
+              title: 'buttonTemplate',
+              schema: staleInlineSchema,
+              code: staleInlineCode,
+              usageControl: 'auto' as const,
+            },
+          ],
+        }
+
+        mockGetProviderFromModel.mockReturnValue('openai')
+
+        await handler.execute(mockContext, mockBlock, inputs)
+
+        expect(capturedTools.length).toBe(1)
+        expect(typeof capturedTools[0].executeFunction).toBe('function')
+
+        await capturedTools[0].executeFunction({ sender_id: '123', channel: 'whatsapp' })
+
+        // Should use DB code, not stale inline code
+        expect(mockExecuteTool).toHaveBeenCalledWith(
+          'function_execute',
+          expect.objectContaining({
+            code: dbCode,
+          }),
+          false,
+          expect.any(Object)
+        )
+      })
+
+      it('should not fetch from DB when no customToolId is present', async () => {
+        const inputs = {
+          model: 'gpt-4o',
+          userPrompt: 'Use the tool',
+          apiKey: 'test-api-key',
+          tools: [
+            {
+              type: 'custom-tool',
+              title: 'inlineTool',
+              schema: staleInlineSchema,
+              code: staleInlineCode,
+              usageControl: 'auto' as const,
+            },
+          ],
+        }
+
+        mockGetProviderFromModel.mockReturnValue('openai')
+
+        await handler.execute(mockContext, mockBlock, inputs)
+
+        const customToolFetches = mockFetch.mock.calls.filter(
+          (call: any[]) => typeof call[0] === 'string' && call[0].includes('/api/tools/custom')
+        )
+        expect(customToolFetches.length).toBe(0)
+
+        expect(mockExecuteProviderRequest).toHaveBeenCalled()
+        const providerCall = mockExecuteProviderRequest.mock.calls[0]
+        const tools = providerCall[1].tools
+
+        expect(tools.length).toBe(1)
+        expect(tools[0].name).toBe('buttonTemplate')
+        expect(tools[0].parameters.required).not.toContain('channel')
+      })
+    })
   })
 })

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

@@ -272,15 +272,16 @@ export class AgentBlockHandler implements BlockHandler {
     let code = tool.code
     let title = tool.title
 
-    if (tool.customToolId && !schema) {
+    if (tool.customToolId) {
       const resolved = await this.fetchCustomToolById(ctx, tool.customToolId)
-      if (!resolved) {
+      if (resolved) {
+        schema = resolved.schema
+        code = resolved.code
+        title = resolved.title
+      } else if (!schema) {
         logger.error(`Custom tool not found: ${tool.customToolId}`)
         return null
       }
-      schema = resolved.schema
-      code = resolved.code
-      title = resolved.title
     }
 
     if (!schema?.function) {

apps/sim/hooks/queries/deployments.ts

@@ -423,7 +423,7 @@ interface GenerateVersionDescriptionVariables {
 
 const VERSION_DESCRIPTION_SYSTEM_PROMPT = `You are writing deployment version descriptions for a workflow automation platform.
 
-Write a brief, factual description (1-3 sentences, under 400 characters) that states what changed between versions.
+Write a brief, factual description (1-3 sentences, under 2000 characters) that states what changed between versions.
 
 Guidelines:
 - Use the specific values provided (credential names, channel names, model names)

apps/sim/hooks/use-execution-stream.ts

@@ -1,4 +1,4 @@
-import { useCallback, useRef } from 'react'
+import { useCallback } from 'react'
 import { createLogger } from '@sim/logger'
 import type {
   BlockCompletedData,
@@ -16,6 +16,18 @@ import type { SerializableExecutionState } from '@/executor/execution/types'
 
 const logger = createLogger('useExecutionStream')
 
+/**
+ * Detects errors caused by the browser killing a fetch (page refresh, navigation, tab close).
+ * These should be treated as clean disconnects, not execution errors.
+ */
+function isClientDisconnectError(error: any): boolean {
+  if (error.name === 'AbortError') return true
+  const msg = (error.message ?? '').toLowerCase()
+  return (
+    msg.includes('network error') || msg.includes('failed to fetch') || msg.includes('load failed')
+  )
+}
+
 /**
  * Processes SSE events from a response body and invokes appropriate callbacks.
  */
@@ -121,6 +133,7 @@ export interface ExecuteStreamOptions {
     parallels?: Record<string, any>
   }
   stopAfterBlockId?: string
+  onExecutionId?: (executionId: string) => void
   callbacks?: ExecutionStreamCallbacks
 }
 
@@ -129,30 +142,40 @@ export interface ExecuteFromBlockOptions {
   startBlockId: string
   sourceSnapshot: SerializableExecutionState
   input?: any
+  onExecutionId?: (executionId: string) => void
   callbacks?: ExecutionStreamCallbacks
 }
 
+export interface ReconnectStreamOptions {
+  workflowId: string
+  executionId: string
+  fromEventId?: number
+  callbacks?: ExecutionStreamCallbacks
+}
+
+/**
+ * Module-level map shared across all hook instances.
+ * Ensures ANY instance can cancel streams started by ANY other instance,
+ * which is critical for SPA navigation where the original hook instance unmounts
+ * but the SSE stream must be cancellable from the new instance.
+ */
+const sharedAbortControllers = new Map<string, AbortController>()
+
 /**
  * Hook for executing workflows via server-side SSE streaming.
  * Supports concurrent executions via per-workflow AbortController maps.
  */
 export function useExecutionStream() {
-  const abortControllersRef = useRef<Map<string, AbortController>>(new Map())
-  const currentExecutionsRef = useRef<Map<string, { workflowId: string; executionId: string }>>(
-    new Map()
-  )
-
   const execute = useCallback(async (options: ExecuteStreamOptions) => {
-    const { workflowId, callbacks = {}, ...payload } = options
+    const { workflowId, callbacks = {}, onExecutionId, ...payload } = options
 
-    const existing = abortControllersRef.current.get(workflowId)
+    const existing = sharedAbortControllers.get(workflowId)
     if (existing) {
       existing.abort()
     }
 
     const abortController = new AbortController()
-    abortControllersRef.current.set(workflowId, abortController)
-    currentExecutionsRef.current.delete(workflowId)
+    sharedAbortControllers.set(workflowId, abortController)
 
     try {
       const response = await fetch(`/api/workflows/${workflowId}/execute`, {
@@ -177,42 +200,48 @@ export function useExecutionStream() {
         throw new Error('No response body')
       }
 
-      const executionId = response.headers.get('X-Execution-Id')
-      if (executionId) {
-        currentExecutionsRef.current.set(workflowId, { workflowId, executionId })
+      const serverExecutionId = response.headers.get('X-Execution-Id')
+      if (serverExecutionId) {
+        onExecutionId?.(serverExecutionId)
       }
 
       const reader = response.body.getReader()
       await processSSEStream(reader, callbacks, 'Execution')
     } catch (error: any) {
-      if (error.name === 'AbortError') {
-        logger.info('Execution stream cancelled')
-        callbacks.onExecutionCancelled?.({ duration: 0 })
-      } else {
-        logger.error('Execution stream error:', error)
-        callbacks.onExecutionError?.({
-          error: error.message || 'Unknown error',
-          duration: 0,
-        })
+      if (isClientDisconnectError(error)) {
+        logger.info('Execution stream disconnected (page unload or abort)')
+        return
       }
+      logger.error('Execution stream error:', error)
+      callbacks.onExecutionError?.({
+        error: error.message || 'Unknown error',
+        duration: 0,
+      })
       throw error
     } finally {
-      abortControllersRef.current.delete(workflowId)
-      currentExecutionsRef.current.delete(workflowId)
+      if (sharedAbortControllers.get(workflowId) === abortController) {
+        sharedAbortControllers.delete(workflowId)
+      }
     }
   }, [])
 
   const executeFromBlock = useCallback(async (options: ExecuteFromBlockOptions) => {
-    const { workflowId, startBlockId, sourceSnapshot, input, callbacks = {} } = options
+    const {
+      workflowId,
+      startBlockId,
+      sourceSnapshot,
+      input,
+      onExecutionId,
+      callbacks = {},
+    } = options
 
-    const existing = abortControllersRef.current.get(workflowId)
+    const existing = sharedAbortControllers.get(workflowId)
     if (existing) {
       existing.abort()
     }
 
     const abortController = new AbortController()
-    abortControllersRef.current.set(workflowId, abortController)
-    currentExecutionsRef.current.delete(workflowId)
+    sharedAbortControllers.set(workflowId, abortController)
 
     try {
       const response = await fetch(`/api/workflows/${workflowId}/execute`, {
@@ -246,64 +275,80 @@ export function useExecutionStream() {
         throw new Error('No response body')
       }
 
-      const executionId = response.headers.get('X-Execution-Id')
-      if (executionId) {
-        currentExecutionsRef.current.set(workflowId, { workflowId, executionId })
+      const serverExecutionId = response.headers.get('X-Execution-Id')
+      if (serverExecutionId) {
+        onExecutionId?.(serverExecutionId)
       }
 
       const reader = response.body.getReader()
       await processSSEStream(reader, callbacks, 'Run-from-block')
     } catch (error: any) {
-      if (error.name === 'AbortError') {
-        logger.info('Run-from-block execution cancelled')
-        callbacks.onExecutionCancelled?.({ duration: 0 })
-      } else {
-        logger.error('Run-from-block execution error:', error)
-        callbacks.onExecutionError?.({
-          error: error.message || 'Unknown error',
-          duration: 0,
-        })
+      if (isClientDisconnectError(error)) {
+        logger.info('Run-from-block stream disconnected (page unload or abort)')
+        return
       }
+      logger.error('Run-from-block execution error:', error)
+      callbacks.onExecutionError?.({
+        error: error.message || 'Unknown error',
+        duration: 0,
+      })
       throw error
     } finally {
-      abortControllersRef.current.delete(workflowId)
-      currentExecutionsRef.current.delete(workflowId)
+      if (sharedAbortControllers.get(workflowId) === abortController) {
+        sharedAbortControllers.delete(workflowId)
+      }
+    }
+  }, [])
+
+  const reconnect = useCallback(async (options: ReconnectStreamOptions) => {
+    const { workflowId, executionId, fromEventId = 0, callbacks = {} } = options
+
+    const existing = sharedAbortControllers.get(workflowId)
+    if (existing) {
+      existing.abort()
+    }
+
+    const abortController = new AbortController()
+    sharedAbortControllers.set(workflowId, abortController)
+    try {
+      const response = await fetch(
+        `/api/workflows/${workflowId}/executions/${executionId}/stream?from=${fromEventId}`,
+        { signal: abortController.signal }
+      )
+      if (!response.ok) throw new Error(`Reconnect failed (${response.status})`)
+      if (!response.body) throw new Error('No response body')
+
+      await processSSEStream(response.body.getReader(), callbacks, 'Reconnect')
+    } catch (error: any) {
+      if (isClientDisconnectError(error)) return
+      logger.error('Reconnection stream error:', error)
+      throw error
+    } finally {
+      if (sharedAbortControllers.get(workflowId) === abortController) {
+        sharedAbortControllers.delete(workflowId)
+      }
     }
   }, [])
 
   const cancel = useCallback((workflowId?: string) => {
     if (workflowId) {
-      const execution = currentExecutionsRef.current.get(workflowId)
-      if (execution) {
-        fetch(`/api/workflows/${execution.workflowId}/executions/${execution.executionId}/cancel`, {
-          method: 'POST',
-        }).catch(() => {})
-      }
-
-      const controller = abortControllersRef.current.get(workflowId)
+      const controller = sharedAbortControllers.get(workflowId)
       if (controller) {
         controller.abort()
-        abortControllersRef.current.delete(workflowId)
+        sharedAbortControllers.delete(workflowId)
       }
-      currentExecutionsRef.current.delete(workflowId)
     } else {
-      for (const [, execution] of currentExecutionsRef.current) {
-        fetch(`/api/workflows/${execution.workflowId}/executions/${execution.executionId}/cancel`, {
-          method: 'POST',
-        }).catch(() => {})
-      }
-
-      for (const [, controller] of abortControllersRef.current) {
+      for (const [, controller] of sharedAbortControllers) {
         controller.abort()
       }
-      abortControllersRef.current.clear()
-      currentExecutionsRef.current.clear()
+      sharedAbortControllers.clear()
     }
   }, [])
 
   return {
     execute,
     executeFromBlock,
+    reconnect,
     cancel,
   }
 }

apps/sim/lib/copilot/chat-payload.ts

@@ -20,6 +20,8 @@ export interface BuildPayloadParams {
   fileAttachments?: Array<{ id: string; key: string; size: number; [key: string]: unknown }>
   commands?: string[]
   chatId?: string
+  conversationId?: string
+  prefetch?: boolean
   implicitFeedback?: string
 }
 
@@ -64,6 +66,10 @@ export async function buildCopilotRequestPayload(
     fileAttachments,
     commands,
     chatId,
+    conversationId,
+    prefetch,
+    conversationHistory,
+    implicitFeedback,
   } = params
 
   const selectedModel = options.selectedModel
@@ -154,6 +160,12 @@ export async function buildCopilotRequestPayload(
     version: SIM_AGENT_VERSION,
     ...(contexts && contexts.length > 0 ? { context: contexts } : {}),
     ...(chatId ? { chatId } : {}),
+    ...(conversationId ? { conversationId } : {}),
+    ...(Array.isArray(conversationHistory) && conversationHistory.length > 0
+      ? { conversationHistory }
+      : {}),
+    ...(typeof prefetch === 'boolean' ? { prefetch } : {}),
+    ...(implicitFeedback ? { implicitFeedback } : {}),
     ...(processedFileContents.length > 0 ? { fileAttachments: processedFileContents } : {}),
     ...(integrationTools.length > 0 ? { integrationTools } : {}),
     ...(credentials ? { credentials } : {}),

apps/sim/lib/execution/event-buffer.ts

@@ -0,0 +1,246 @@
+import { createLogger } from '@sim/logger'
+import { getRedisClient } from '@/lib/core/config/redis'
+import type { ExecutionEvent } from '@/lib/workflows/executor/execution-events'
+
+const logger = createLogger('ExecutionEventBuffer')
+
+const REDIS_PREFIX = 'execution:stream:'
+const TTL_SECONDS = 60 * 60 // 1 hour
+const EVENT_LIMIT = 1000
+const RESERVE_BATCH = 100
+const FLUSH_INTERVAL_MS = 15
+const FLUSH_MAX_BATCH = 200
+
+function getEventsKey(executionId: string) {
+  return `${REDIS_PREFIX}${executionId}:events`
+}
+
+function getSeqKey(executionId: string) {
+  return `${REDIS_PREFIX}${executionId}:seq`
+}
+
+function getMetaKey(executionId: string) {
+  return `${REDIS_PREFIX}${executionId}:meta`
+}
+
+export type ExecutionStreamStatus = 'active' | 'complete' | 'error' | 'cancelled'
+
+export interface ExecutionStreamMeta {
+  status: ExecutionStreamStatus
+  userId?: string
+  workflowId?: string
+  updatedAt?: string
+}
+
+export interface ExecutionEventEntry {
+  eventId: number
+  executionId: string
+  event: ExecutionEvent
+}
+
+export interface ExecutionEventWriter {
+  write: (event: ExecutionEvent) => Promise<ExecutionEventEntry>
+  flush: () => Promise<void>
+  close: () => Promise<void>
+}
+
+export async function setExecutionMeta(
+  executionId: string,
+  meta: Partial<ExecutionStreamMeta>
+): Promise<void> {
+  const redis = getRedisClient()
+  if (!redis) {
+    logger.warn('setExecutionMeta: Redis client unavailable', { executionId })
+    return
+  }
+  try {
+    const key = getMetaKey(executionId)
+    const payload: Record<string, string> = {
+      updatedAt: new Date().toISOString(),
+    }
+    if (meta.status) payload.status = meta.status
+    if (meta.userId) payload.userId = meta.userId
+    if (meta.workflowId) payload.workflowId = meta.workflowId
+    await redis.hset(key, payload)
+    await redis.expire(key, TTL_SECONDS)
+  } catch (error) {
+    logger.warn('Failed to update execution meta', {
+      executionId,
+      error: error instanceof Error ? error.message : String(error),
+    })
+  }
+}
+
+export async function getExecutionMeta(executionId: string): Promise<ExecutionStreamMeta | null> {
+  const redis = getRedisClient()
+  if (!redis) {
+    logger.warn('getExecutionMeta: Redis client unavailable', { executionId })
+    return null
+  }
+  try {
+    const key = getMetaKey(executionId)
+    const meta = await redis.hgetall(key)
+    if (!meta || Object.keys(meta).length === 0) return null
+    return meta as unknown as ExecutionStreamMeta
+  } catch (error) {
+    logger.warn('Failed to read execution meta', {
+      executionId,
+      error: error instanceof Error ? error.message : String(error),
+    })
+    return null
+  }
+}
+
+export async function readExecutionEvents(
+  executionId: string,
+  afterEventId: number
+): Promise<ExecutionEventEntry[]> {
+  const redis = getRedisClient()
+  if (!redis) return []
+  try {
+    const raw = await redis.zrangebyscore(getEventsKey(executionId), afterEventId + 1, '+inf')
+    return raw
+      .map((entry) => {
+        try {
+          return JSON.parse(entry) as ExecutionEventEntry
+        } catch {
+          return null
+        }
+      })
+      .filter((entry): entry is ExecutionEventEntry => Boolean(entry))
+  } catch (error) {
+    logger.warn('Failed to read execution events', {
+      executionId,
+      error: error instanceof Error ? error.message : String(error),
+    })
+    return []
+  }
+}
+
+export function createExecutionEventWriter(executionId: string): ExecutionEventWriter {
+  const redis = getRedisClient()
+  if (!redis) {
+    logger.warn(
+      'createExecutionEventWriter: Redis client unavailable, events will not be buffered',
+      {
+        executionId,
+      }
+    )
+    return {
+      write: async (event) => ({ eventId: 0, executionId, event }),
+      flush: async () => {},
+      close: async () => {},
+    }
+  }
+
+  let pending: ExecutionEventEntry[] = []
+  let nextEventId = 0
+  let maxReservedId = 0
+  let flushTimer: ReturnType<typeof setTimeout> | null = null
+
+  const scheduleFlush = () => {
+    if (flushTimer) return
+    flushTimer = setTimeout(() => {
+      flushTimer = null
+      void flush()
+    }, FLUSH_INTERVAL_MS)
+  }
+
+  const reserveIds = async (minCount: number) => {
+    const reserveCount = Math.max(RESERVE_BATCH, minCount)
+    const newMax = await redis.incrby(getSeqKey(executionId), reserveCount)
+    const startId = newMax - reserveCount + 1
+    if (nextEventId === 0 || nextEventId > maxReservedId) {
+      nextEventId = startId
+      maxReservedId = newMax
+    }
+  }
+
+  let flushPromise: Promise<void> | null = null
+  let closed = false
+  const inflightWrites = new Set<Promise<ExecutionEventEntry>>()
+
+  const doFlush = async () => {
+    if (pending.length === 0) return
+    const batch = pending
+    pending = []
+    try {
+      const key = getEventsKey(executionId)
+      const zaddArgs: (string | number)[] = []
+      for (const entry of batch) {
+        zaddArgs.push(entry.eventId, JSON.stringify(entry))
+      }
+      const pipeline = redis.pipeline()
+      pipeline.zadd(key, ...zaddArgs)
+      pipeline.expire(key, TTL_SECONDS)
+      pipeline.expire(getSeqKey(executionId), TTL_SECONDS)
+      pipeline.zremrangebyrank(key, 0, -EVENT_LIMIT - 1)
+      await pipeline.exec()
+    } catch (error) {
+      logger.warn('Failed to flush execution events', {
+        executionId,
+        batchSize: batch.length,
+        error: error instanceof Error ? error.message : String(error),
+        stack: error instanceof Error ? error.stack : undefined,
+      })
+      pending = batch.concat(pending)
+    }
+  }
+
+  const flush = async () => {
+    if (flushPromise) {
+      await flushPromise
+      return
+    }
+    flushPromise = doFlush()
+    try {
+      await flushPromise
+    } finally {
+      flushPromise = null
+      if (pending.length > 0) scheduleFlush()
+    }
+  }
+
+  const writeCore = async (event: ExecutionEvent): Promise<ExecutionEventEntry> => {
+    if (closed) return { eventId: 0, executionId, event }
+    if (nextEventId === 0 || nextEventId > maxReservedId) {
+      await reserveIds(1)
+    }
+    const eventId = nextEventId++
+    const entry: ExecutionEventEntry = { eventId, executionId, event }
+    pending.push(entry)
+    if (pending.length >= FLUSH_MAX_BATCH) {
+      await flush()
+    } else {
+      scheduleFlush()
+    }
+    return entry
+  }
+
+  const write = (event: ExecutionEvent): Promise<ExecutionEventEntry> => {
+    const p = writeCore(event)
+    inflightWrites.add(p)
+    const remove = () => inflightWrites.delete(p)
+    p.then(remove, remove)
+    return p
+  }
+
+  const close = async () => {
+    closed = true
+    if (flushTimer) {
+      clearTimeout(flushTimer)
+      flushTimer = null
+    }
+    if (inflightWrites.size > 0) {
+      await Promise.allSettled(inflightWrites)
+    }
+    if (flushPromise) {
+      await flushPromise
+    }
+    if (pending.length > 0) {
+      await doFlush()
+    }
+  }
+
+  return { write, flush, close }
+}

apps/sim/lib/workflows/comparison/compare.test.ts

@@ -2364,6 +2364,261 @@ describe('hasWorkflowChanged', () => {
     })
   })
 
+  describe('Trigger Config Normalization (False Positive Prevention)', () => {
+    it.concurrent(
+      'should not detect change when deployed has null fields but current has values from triggerConfig',
+      () => {
+        // Core scenario: deployed state has null individual fields, current state has
+        // values populated from triggerConfig at runtime by populateTriggerFieldsFromConfig
+        const deployedState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+                botToken: { id: 'botToken', type: 'short-input', value: null },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'secret123', botToken: 'token456' },
+                },
+              },
+            }),
+          },
+        })
+
+        const currentState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: 'secret123' },
+                botToken: { id: 'botToken', type: 'short-input', value: 'token456' },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'secret123', botToken: 'token456' },
+                },
+              },
+            }),
+          },
+        })
+
+        expect(hasWorkflowChanged(currentState, deployedState)).toBe(false)
+      }
+    )
+
+    it.concurrent(
+      'should detect change when user edits a trigger field to a different value',
+      () => {
+        const deployedState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'old-secret' },
+                },
+              },
+            }),
+          },
+        })
+
+        const currentState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: 'new-secret' },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'old-secret' },
+                },
+              },
+            }),
+          },
+        })
+
+        expect(hasWorkflowChanged(currentState, deployedState)).toBe(true)
+      }
+    )
+
+    it.concurrent('should not detect change when both sides have no triggerConfig', () => {
+      const deployedState = createWorkflowState({
+        blocks: {
+          block1: createBlock('block1', {
+            type: 'starter',
+            subBlocks: {
+              signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+            },
+          }),
+        },
+      })
+
+      const currentState = createWorkflowState({
+        blocks: {
+          block1: createBlock('block1', {
+            type: 'starter',
+            subBlocks: {
+              signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+            },
+          }),
+        },
+      })
+
+      expect(hasWorkflowChanged(currentState, deployedState)).toBe(false)
+    })
+
+    it.concurrent(
+      'should not detect change when deployed has empty fields and triggerConfig populates them',
+      () => {
+        // Empty string is also treated as "empty" by normalizeTriggerConfigValues
+        const deployedState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: '' },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'secret123' },
+                },
+              },
+            }),
+          },
+        })
+
+        const currentState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: 'secret123' },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'secret123' },
+                },
+              },
+            }),
+          },
+        })
+
+        expect(hasWorkflowChanged(currentState, deployedState)).toBe(false)
+      }
+    )
+
+    it.concurrent('should not detect change when triggerId differs', () => {
+      const deployedState = createWorkflowState({
+        blocks: {
+          block1: createBlock('block1', {
+            type: 'starter',
+            subBlocks: {
+              model: { value: 'gpt-4' },
+              triggerId: { value: null },
+            },
+          }),
+        },
+      })
+
+      const currentState = createWorkflowState({
+        blocks: {
+          block1: createBlock('block1', {
+            type: 'starter',
+            subBlocks: {
+              model: { value: 'gpt-4' },
+              triggerId: { value: 'slack_webhook' },
+            },
+          }),
+        },
+      })
+
+      expect(hasWorkflowChanged(currentState, deployedState)).toBe(false)
+    })
+
+    it.concurrent(
+      'should not detect change for namespaced system subBlock IDs like samplePayload_slack_webhook',
+      () => {
+        const deployedState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                model: { value: 'gpt-4' },
+                samplePayload_slack_webhook: { value: 'old payload' },
+                triggerInstructions_slack_webhook: { value: 'old instructions' },
+              },
+            }),
+          },
+        })
+
+        const currentState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                model: { value: 'gpt-4' },
+                samplePayload_slack_webhook: { value: 'new payload' },
+                triggerInstructions_slack_webhook: { value: 'new instructions' },
+              },
+            }),
+          },
+        })
+
+        expect(hasWorkflowChanged(currentState, deployedState)).toBe(false)
+      }
+    )
+
+    it.concurrent(
+      'should handle mixed scenario: some fields from triggerConfig, some user-edited',
+      () => {
+        const deployedState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+                botToken: { id: 'botToken', type: 'short-input', value: null },
+                includeFiles: { id: 'includeFiles', type: 'switch', value: false },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'secret123', botToken: 'token456' },
+                },
+              },
+            }),
+          },
+        })
+
+        const currentState = createWorkflowState({
+          blocks: {
+            block1: createBlock('block1', {
+              type: 'starter',
+              subBlocks: {
+                signingSecret: { id: 'signingSecret', type: 'short-input', value: 'secret123' },
+                botToken: { id: 'botToken', type: 'short-input', value: 'token456' },
+                includeFiles: { id: 'includeFiles', type: 'switch', value: true },
+                triggerConfig: {
+                  id: 'triggerConfig',
+                  type: 'short-input',
+                  value: { signingSecret: 'secret123', botToken: 'token456' },
+                },
+              },
+            }),
+          },
+        })
+
+        // includeFiles changed from false to true — this IS a real change
+        expect(hasWorkflowChanged(currentState, deployedState)).toBe(true)
+      }
+    )
+  })
+
   describe('Trigger Runtime Metadata (Should Not Trigger Change)', () => {
     it.concurrent('should not detect change when webhookId differs', () => {
       const deployedState = createWorkflowState({

apps/sim/lib/workflows/comparison/compare.ts

@@ -9,6 +9,7 @@ import {
   normalizeLoop,
   normalizeParallel,
   normalizeSubBlockValue,
+  normalizeTriggerConfigValues,
   normalizeValue,
   normalizeVariables,
   sanitizeVariable,
@@ -172,14 +173,18 @@ export function generateWorkflowDiffSummary(
       }
     }
 
+    // Normalize trigger config values for both states before comparison
+    const normalizedCurrentSubs = normalizeTriggerConfigValues(currentSubBlocks)
+    const normalizedPreviousSubs = normalizeTriggerConfigValues(previousSubBlocks)
+
     // Compare subBlocks using shared helper for filtering (single source of truth)
     const allSubBlockIds = filterSubBlockIds([
-      ...new Set([...Object.keys(currentSubBlocks), ...Object.keys(previousSubBlocks)]),
+      ...new Set([...Object.keys(normalizedCurrentSubs), ...Object.keys(normalizedPreviousSubs)]),
     ])
 
     for (const subId of allSubBlockIds) {
-      const currentSub = currentSubBlocks[subId] as Record<string, unknown> | undefined
-      const previousSub = previousSubBlocks[subId] as Record<string, unknown> | undefined
+      const currentSub = normalizedCurrentSubs[subId] as Record<string, unknown> | undefined
+      const previousSub = normalizedPreviousSubs[subId] as Record<string, unknown> | undefined
 
       if (!currentSub || !previousSub) {
         changes.push({

apps/sim/lib/workflows/comparison/normalize.test.ts

@@ -4,10 +4,12 @@
 import { describe, expect, it } from 'vitest'
 import type { Loop, Parallel } from '@/stores/workflows/workflow/types'
 import {
+  filterSubBlockIds,
   normalizedStringify,
   normalizeEdge,
   normalizeLoop,
   normalizeParallel,
+  normalizeTriggerConfigValues,
   normalizeValue,
   sanitizeInputFormat,
   sanitizeTools,
@@ -584,4 +586,214 @@ describe('Workflow Normalization Utilities', () => {
       expect(result2).toBe(result3)
     })
   })
+
+  describe('filterSubBlockIds', () => {
+    it.concurrent('should exclude exact SYSTEM_SUBBLOCK_IDS', () => {
+      const ids = ['signingSecret', 'samplePayload', 'triggerInstructions', 'botToken']
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual(['botToken', 'signingSecret'])
+    })
+
+    it.concurrent('should exclude namespaced SYSTEM_SUBBLOCK_IDS (prefix matching)', () => {
+      const ids = [
+        'signingSecret',
+        'samplePayload_slack_webhook',
+        'triggerInstructions_slack_webhook',
+        'webhookUrlDisplay_slack_webhook',
+        'botToken',
+      ]
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual(['botToken', 'signingSecret'])
+    })
+
+    it.concurrent('should exclude exact TRIGGER_RUNTIME_SUBBLOCK_IDS', () => {
+      const ids = ['webhookId', 'triggerPath', 'triggerConfig', 'triggerId', 'signingSecret']
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual(['signingSecret'])
+    })
+
+    it.concurrent('should not exclude IDs that merely contain a system ID substring', () => {
+      const ids = ['mySamplePayload', 'notSamplePayload']
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual(['mySamplePayload', 'notSamplePayload'])
+    })
+
+    it.concurrent('should return sorted results', () => {
+      const ids = ['zebra', 'alpha', 'middle']
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual(['alpha', 'middle', 'zebra'])
+    })
+
+    it.concurrent('should handle empty array', () => {
+      expect(filterSubBlockIds([])).toEqual([])
+    })
+
+    it.concurrent('should handle all IDs being excluded', () => {
+      const ids = ['webhookId', 'triggerPath', 'samplePayload', 'triggerConfig']
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual([])
+    })
+
+    it.concurrent('should exclude setupScript and scheduleInfo namespaced variants', () => {
+      const ids = ['setupScript_google_sheets_row', 'scheduleInfo_cron_trigger', 'realField']
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual(['realField'])
+    })
+
+    it.concurrent('should exclude triggerCredentials namespaced variants', () => {
+      const ids = ['triggerCredentials_slack_webhook', 'signingSecret']
+      const result = filterSubBlockIds(ids)
+      expect(result).toEqual(['signingSecret'])
+    })
+  })
+
+  describe('normalizeTriggerConfigValues', () => {
+    it.concurrent('should return subBlocks unchanged when no triggerConfig exists', () => {
+      const subBlocks = {
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: 'secret123' },
+        botToken: { id: 'botToken', type: 'short-input', value: 'token456' },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect(result).toEqual(subBlocks)
+    })
+
+    it.concurrent('should return subBlocks unchanged when triggerConfig value is null', () => {
+      const subBlocks = {
+        triggerConfig: { id: 'triggerConfig', type: 'short-input', value: null },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect(result).toEqual(subBlocks)
+    })
+
+    it.concurrent(
+      'should return subBlocks unchanged when triggerConfig value is not an object',
+      () => {
+        const subBlocks = {
+          triggerConfig: { id: 'triggerConfig', type: 'short-input', value: 'string-value' },
+          signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+        }
+        const result = normalizeTriggerConfigValues(subBlocks)
+        expect(result).toEqual(subBlocks)
+      }
+    )
+
+    it.concurrent('should populate null individual fields from triggerConfig', () => {
+      const subBlocks = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { signingSecret: 'secret123', botToken: 'token456' },
+        },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+        botToken: { id: 'botToken', type: 'short-input', value: null },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect((result.signingSecret as Record<string, unknown>).value).toBe('secret123')
+      expect((result.botToken as Record<string, unknown>).value).toBe('token456')
+    })
+
+    it.concurrent('should populate undefined individual fields from triggerConfig', () => {
+      const subBlocks = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { signingSecret: 'secret123' },
+        },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: undefined },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect((result.signingSecret as Record<string, unknown>).value).toBe('secret123')
+    })
+
+    it.concurrent('should populate empty string individual fields from triggerConfig', () => {
+      const subBlocks = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { signingSecret: 'secret123' },
+        },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: '' },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect((result.signingSecret as Record<string, unknown>).value).toBe('secret123')
+    })
+
+    it.concurrent('should NOT overwrite existing non-empty individual field values', () => {
+      const subBlocks = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { signingSecret: 'old-secret' },
+        },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: 'user-edited-secret' },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect((result.signingSecret as Record<string, unknown>).value).toBe('user-edited-secret')
+    })
+
+    it.concurrent('should skip triggerConfig fields that are null/undefined', () => {
+      const subBlocks = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { signingSecret: null, botToken: undefined },
+        },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+        botToken: { id: 'botToken', type: 'short-input', value: null },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect((result.signingSecret as Record<string, unknown>).value).toBe(null)
+      expect((result.botToken as Record<string, unknown>).value).toBe(null)
+    })
+
+    it.concurrent('should skip fields from triggerConfig that have no matching subBlock', () => {
+      const subBlocks = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { nonExistentField: 'value123' },
+        },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      expect(result.nonExistentField).toBeUndefined()
+      expect((result.signingSecret as Record<string, unknown>).value).toBe(null)
+    })
+
+    it.concurrent('should not mutate the original subBlocks object', () => {
+      const original = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { signingSecret: 'secret123' },
+        },
+        signingSecret: { id: 'signingSecret', type: 'short-input', value: null },
+      }
+      normalizeTriggerConfigValues(original)
+      expect((original.signingSecret as Record<string, unknown>).value).toBe(null)
+    })
+
+    it.concurrent('should preserve other subBlock properties when populating value', () => {
+      const subBlocks = {
+        triggerConfig: {
+          id: 'triggerConfig',
+          type: 'short-input',
+          value: { signingSecret: 'secret123' },
+        },
+        signingSecret: {
+          id: 'signingSecret',
+          type: 'short-input',
+          value: null,
+          placeholder: 'Enter signing secret',
+        },
+      }
+      const result = normalizeTriggerConfigValues(subBlocks)
+      const normalized = result.signingSecret as Record<string, unknown>
+      expect(normalized.value).toBe('secret123')
+      expect(normalized.id).toBe('signingSecret')
+      expect(normalized.type).toBe('short-input')
+      expect(normalized.placeholder).toBe('Enter signing secret')
+    })
+  })
 })

apps/sim/lib/workflows/comparison/normalize.ts

@@ -418,10 +418,48 @@ export function extractBlockFieldsForComparison(block: BlockState): ExtractedBlo
  */
 export function filterSubBlockIds(subBlockIds: string[]): string[] {
   return subBlockIds
-    .filter((id) => !SYSTEM_SUBBLOCK_IDS.includes(id) && !TRIGGER_RUNTIME_SUBBLOCK_IDS.includes(id))
+    .filter((id) => {
+      if (TRIGGER_RUNTIME_SUBBLOCK_IDS.includes(id)) return false
+      if (SYSTEM_SUBBLOCK_IDS.some((sysId) => id === sysId || id.startsWith(`${sysId}_`)))
+        return false
+      return true
+    })
     .sort()
 }
 
+/**
+ * Normalizes trigger block subBlocks by populating null/empty individual fields
+ * from the triggerConfig aggregate subBlock. This compensates for the runtime
+ * population done by populateTriggerFieldsFromConfig, ensuring consistent
+ * comparison between client state (with populated values) and deployed state
+ * (with null values from DB).
+ */
+export function normalizeTriggerConfigValues(
+  subBlocks: Record<string, unknown>
+): Record<string, unknown> {
+  const triggerConfigSub = subBlocks.triggerConfig as Record<string, unknown> | undefined
+  const triggerConfigValue = triggerConfigSub?.value
+  if (!triggerConfigValue || typeof triggerConfigValue !== 'object') {
+    return subBlocks
+  }
+
+  const result = { ...subBlocks }
+  for (const [fieldId, configValue] of Object.entries(
+    triggerConfigValue as Record<string, unknown>
+  )) {
+    if (configValue === null || configValue === undefined) continue
+    const existingSub = result[fieldId] as Record<string, unknown> | undefined
+    if (
+      existingSub &&
+      (existingSub.value === null || existingSub.value === undefined || existingSub.value === '')
+    ) {
+      result[fieldId] = { ...existingSub, value: configValue }
+    }
+  }
+
+  return result
+}
+
 /**
  * Normalizes a subBlock value with sanitization for specific subBlock types.
  * Sanitizes: tools (removes isExpanded), inputFormat (removes collapsed)

apps/sim/stores/execution/store.ts

@@ -129,6 +129,18 @@ export const useExecutionStore = create<ExecutionState & ExecutionActions>()((se
     })
   },
 
+  setCurrentExecutionId: (workflowId, executionId) => {
+    set({
+      workflowExecutions: updatedMap(get().workflowExecutions, workflowId, {
+        currentExecutionId: executionId,
+      }),
+    })
+  },
+
+  getCurrentExecutionId: (workflowId) => {
+    return getOrCreate(get().workflowExecutions, workflowId).currentExecutionId
+  },
+
   clearRunPath: (workflowId) => {
     set({
       workflowExecutions: updatedMap(get().workflowExecutions, workflowId, {

apps/sim/stores/execution/types.ts

@@ -35,6 +35,8 @@ export interface WorkflowExecutionState {
   lastRunPath: Map<string, BlockRunStatus>
   /** Maps edge IDs to their run result from the last execution */
   lastRunEdges: Map<string, EdgeRunStatus>
+  /** The execution ID of the currently running execution */
+  currentExecutionId: string | null
 }
 
 /**
@@ -54,6 +56,7 @@ export const defaultWorkflowExecutionState: WorkflowExecutionState = {
   debugContext: null,
   lastRunPath: new Map(),
   lastRunEdges: new Map(),
+  currentExecutionId: null,
 }
 
 /**
@@ -96,6 +99,10 @@ export interface ExecutionActions {
   setEdgeRunStatus: (workflowId: string, edgeId: string, status: EdgeRunStatus) => void
   /** Clears the run path and run edges for a workflow */
   clearRunPath: (workflowId: string) => void
+  /** Stores the current execution ID for a workflow */
+  setCurrentExecutionId: (workflowId: string, executionId: string | null) => void
+  /** Returns the current execution ID for a workflow */
+  getCurrentExecutionId: (workflowId: string) => string | null
   /** Resets the entire store to its initial empty state */
   reset: () => void
   /** Stores a serializable execution snapshot for a workflow */

apps/sim/stores/terminal/console/store.ts

@@ -224,7 +224,7 @@ export const useTerminalConsoleStore = create<ConsoleStore>()(
 
           const newEntry = get().entries[0]
 
-          if (newEntry?.error) {
+          if (newEntry?.error && newEntry.blockType !== 'cancelled') {
             notifyBlockError({
               error: newEntry.error,
               blockName: newEntry.blockName || 'Unknown Block',
@@ -243,6 +243,11 @@ export const useTerminalConsoleStore = create<ConsoleStore>()(
           useExecutionStore.getState().clearRunPath(workflowId)
         },
 
+        clearExecutionEntries: (executionId: string) =>
+          set((state) => ({
+            entries: state.entries.filter((e) => e.executionId !== executionId),
+          })),
+
         exportConsoleCSV: (workflowId: string) => {
           const entries = get().entries.filter((entry) => entry.workflowId === workflowId)
 
@@ -470,12 +475,24 @@ export const useTerminalConsoleStore = create<ConsoleStore>()(
         },
         merge: (persistedState, currentState) => {
           const persisted = persistedState as Partial<ConsoleStore> | undefined
-          const entries = (persisted?.entries ?? currentState.entries).map((entry, index) => {
+          const rawEntries = persisted?.entries ?? currentState.entries
+          const oneHourAgo = Date.now() - 60 * 60 * 1000
+
+          const entries = rawEntries.map((entry, index) => {
+            let updated = entry
             if (entry.executionOrder === undefined) {
-              return { ...entry, executionOrder: index + 1 }
+              updated = { ...updated, executionOrder: index + 1 }
             }
-            return entry
+            if (
+              entry.isRunning &&
+              entry.startedAt &&
+              new Date(entry.startedAt).getTime() < oneHourAgo
+            ) {
+              updated = { ...updated, isRunning: false }
+            }
+            return updated
           })
+
           return {
             ...currentState,
             entries,

apps/sim/stores/terminal/console/types.ts

@@ -51,6 +51,7 @@ export interface ConsoleStore {
   isOpen: boolean
   addConsole: (entry: Omit<ConsoleEntry, 'id' | 'timestamp'>) => ConsoleEntry
   clearWorkflowConsole: (workflowId: string) => void
+  clearExecutionEntries: (executionId: string) => void
   exportConsoleCSV: (workflowId: string) => void
   getWorkflowEntries: (workflowId: string) => ConsoleEntry[]
   toggleConsole: () => void

apps/sim/triggers/constants.ts

@@ -23,7 +23,12 @@ export const SYSTEM_SUBBLOCK_IDS: string[] = [
  * with default values from the trigger definition on load, which aren't present in
  * the deployed state, causing false positive change detection.
  */
-export const TRIGGER_RUNTIME_SUBBLOCK_IDS: string[] = ['webhookId', 'triggerPath', 'triggerConfig']
+export const TRIGGER_RUNTIME_SUBBLOCK_IDS: string[] = [
+  'webhookId',
+  'triggerPath',
+  'triggerConfig',
+  'triggerId',
+]
 
 /**
  * Maximum number of consecutive failures before a trigger (schedule/webhook) is auto-disabled.