fix(mothership): hang condition (#3852)

Author: icecrasher321

apps/sim/app/api/mothership/chat/stop/route.ts

@@ -5,6 +5,7 @@ import { and, eq, sql } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
 import { getSession } from '@/lib/auth'
+import { releasePendingChatStream } from '@/lib/copilot/chat-streaming'
 import { taskPubSub } from '@/lib/copilot/task-events'
 
 const logger = createLogger('MothershipChatStopAPI')
@@ -58,6 +59,8 @@ export async function POST(req: NextRequest) {
 
     const { chatId, streamId, content, contentBlocks } = StopSchema.parse(await req.json())
 
+    await releasePendingChatStream(chatId, streamId)
+
     const setClause: Record<string, unknown> = {
       conversationId: null,
       updatedAt: new Date(),

apps/sim/app/workspace/[workspaceId]/home/hooks/use-chat.ts

@@ -1737,6 +1737,8 @@ export function useChat(
       }
 
       if (options?.error) {
+        pendingRecoveryMessageRef.current = null
+        setPendingRecoveryMessage(null)
         setMessageQueue([])
         return
       }