fix(mcp): child workflow with response block returns error

apps/sim/app/api/cron/cleanup-stale-executions/route.ts

@@ -8,7 +8,6 @@ import { verifyCronAuth } from '@/lib/auth/internal'
 const logger = createLogger('CleanupStaleExecutions')
 
 const STALE_THRESHOLD_MINUTES = 30
-const MAX_INT32 = 2_147_483_647
 
 export async function GET(request: NextRequest) {
   try {
@@ -46,14 +45,13 @@ export async function GET(request: NextRequest) {
       try {
         const staleDurationMs = Date.now() - new Date(execution.startedAt).getTime()
         const staleDurationMinutes = Math.round(staleDurationMs / 60000)
-        const totalDurationMs = Math.min(staleDurationMs, MAX_INT32)
 
         await db
           .update(workflowExecutionLogs)
           .set({
             status: 'failed',
             endedAt: new Date(),
-            totalDurationMs,
+            totalDurationMs: staleDurationMs,
             executionData: sql`jsonb_set(
               COALESCE(execution_data, '{}'::jsonb),
               ARRAY['error'],

apps/sim/app/api/mcp/serve/[serverId]/route.ts

@@ -284,7 +284,7 @@ async function handleToolsCall(
       content: [
         { type: 'text', text: JSON.stringify(executeResult.output || executeResult, null, 2) },
       ],
-      isError: !executeResult.success,
+      isError: executeResult.success === false,
     }
 
     return NextResponse.json(createResponse(id, result))