feat/platform-v3 (#1698)

* feat(fonts): season replacing geist

* feat(emcnn): created emcn

* feat(sidebar): created new sidebar with header and workflow list

* improvement(sidebar): expanded workflow/folder item text sizing and adjusted button padding

* feat(sidebar): added search UI, updated workflows styling

* improvement: globals styling with antialiased in dark mode only

* feat(sidebar): blocks and triggers ui/ux updated

* refactor(sidebar): moved logic into hooks

* feat(sidebar): improved workflow/folder dragging UI/UX; refactored logic into hooks

* improvement(sidebar): adjusted triggers/blocks padding for header

* improvement(sidebar): dragging hover handler; closed folders by default minus active path

* improvement(sidebar): panel resize logic

* improvement(sidebar): blocks and triggers expanded indicator

* feat(tooltips): new emcn component emerged

* feat(sidebar): workflow list handling updated

* refactor: added cursorrules

* feat(panel): new panel layout

* improvement(workspaces): firname's workspace instead of fn ln's workspace

* feat(platform): panel header, new emcn icons, more button variants, refactor sidebar components

* improvement(emcn): added button variants

* feat(panel): tab system

* feat(copilot): refactor, adjusted welcome and user-input UI/UX

* feat(copilot): baseline user-input ui/ux improvement

* feat(emcn): badge outline variant

* fix: build errors

* feat(copilot): base UI copilot

* refactor(workflow-block): added hooks, components

* feat(design): created design panel and removed isWide

* refactor(subblock): edited components, styling

* feat: emcn, editor

* feat(panel): toolbar, editor

* feat(workflow-block): refactor, adjust base styling

* feat(workflow-block): new block, edge

* feat: workflow-block, connections, action-bar, copilot

* feat: panel, workflow, emcn, workflow block, subblocks; clean copilot

* sim-326: remove remote code execution toggle, hide dropdown for language if E2B is not enabled

* feat: sidebar navigation, tag coloring; refactor: rebased to staging

* fix: build errors

* improvement: subblock styles

* feat: workspaces, terminal, emcn, controls

* feat: delete workflow

* fix: rebased

* fix build errors

---------

Co-authored-by: Vikhyath Mondreti <vikhyath@simstudio.ai>

apps/sim/app/api/function/execute/route.ts

@@ -8,9 +8,8 @@ import { validateProxyUrl } from '@/lib/security/input-validation'
 import { generateRequestId } from '@/lib/utils'
 export const dynamic = 'force-dynamic'
 export const runtime = 'nodejs'
-// Segment config exports must be statically analyzable.
-// Mirror MAX_EXECUTION_DURATION (210s) from '@/lib/execution/constants'.
-export const maxDuration = 210
+
+export const MAX_DURATION = 210
 
 const logger = createLogger('FunctionExecuteAPI')
 
@@ -658,7 +657,6 @@ export async function POST(req: NextRequest) {
       params = {},
       timeout = DEFAULT_EXECUTION_TIMEOUT_MS,
       language = DEFAULT_CODE_LANGUAGE,
-      useLocalVM = false,
       envVars = {},
       blockData = {},
       blockNameMapping = {},
@@ -693,11 +691,46 @@ export async function POST(req: NextRequest) {
 
     const e2bEnabled = isTruthy(env.E2B_ENABLED)
     const lang = isValidCodeLanguage(language) ? language : DEFAULT_CODE_LANGUAGE
+
+    // Extract imports once for JavaScript code (reuse later to avoid double extraction)
+    let jsImports = ''
+    let jsRemainingCode = resolvedCode
+    let hasImports = false
+
+    if (lang === CodeLanguage.JavaScript) {
+      const extractionResult = await extractJavaScriptImports(resolvedCode)
+      jsImports = extractionResult.imports
+      jsRemainingCode = extractionResult.remainingCode
+
+      // Check for ES6 imports or CommonJS require statements
+      // ES6 imports are extracted by the TypeScript parser
+      // Also check for require() calls which indicate external dependencies
+      const hasRequireStatements = /require\s*\(\s*['"`]/.test(resolvedCode)
+      hasImports = jsImports.trim().length > 0 || hasRequireStatements
+    }
+
+    // Python always requires E2B
+    if (lang === CodeLanguage.Python && !e2bEnabled) {
+      throw new Error(
+        'Python execution requires E2B to be enabled. Please contact your administrator to enable E2B, or use JavaScript instead.'
+      )
+    }
+
+    // JavaScript with imports requires E2B
+    if (lang === CodeLanguage.JavaScript && hasImports && !e2bEnabled) {
+      throw new Error(
+        'JavaScript code with import statements requires E2B to be enabled. Please remove the import statements, or contact your administrator to enable E2B.'
+      )
+    }
+
+    // Use E2B if:
+    // - E2B is enabled AND
+    // - Not a custom tool AND
+    // - (Python OR JavaScript with imports)
     const useE2B =
       e2bEnabled &&
-      !useLocalVM &&
       !isCustomTool &&
-      (lang === CodeLanguage.JavaScript || lang === CodeLanguage.Python)
+      (lang === CodeLanguage.Python || (lang === CodeLanguage.JavaScript && hasImports))
 
     if (useE2B) {
       logger.info(`[${requestId}] E2B status`, {
@@ -712,7 +745,9 @@ export async function POST(req: NextRequest) {
         // Track prologue lines for error adjustment
         let prologueLineCount = 0
 
-        const { imports, remainingCode } = await extractJavaScriptImports(resolvedCode)
+        // Reuse the imports we already extracted earlier
+        const imports = jsImports
+        const remainingCode = jsRemainingCode
 
         const importSection: string = imports ? `${imports}\n` : ''
         const importLineCount = imports ? imports.split('\n').length : 0