fix(copilot): abort in-progress tools when stream ends

Calls abortAllInProgressTools in the stream_end handler so tools
stuck in generating/executing state are resolved when the stream
closes, regardless of whether a done event was received.

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

apps/sim/lib/copilot/client-sse/handlers.ts

@@ -3,6 +3,7 @@ import { STREAM_STORAGE_KEY } from '@/lib/copilot/constants'
 import { asRecord } from '@/lib/copilot/orchestrator/sse/utils'
 import type { SSEEvent } from '@/lib/copilot/orchestrator/types'
 import {
+  abortAllInProgressTools,
   isBackgroundState,
   isRejectedState,
   isReviewState,
@@ -956,7 +957,7 @@ export const sseHandlers: Record<string, SSEHandler> = {
     }))
     context.streamComplete = true
   },
-  stream_end: (_data, context, _get, set) => {
+  stream_end: (_data, context, get, set) => {
     if (context.pendingContent) {
       if (context.isInThinkingBlock && context.currentThinkingBlock) {
         appendThinkingContent(context, context.pendingContent)
@@ -967,6 +968,7 @@ export const sseHandlers: Record<string, SSEHandler> = {
     }
     finalizeThinkingBlock(context)
     updateStreamingMessage(set, context)
+    abortAllInProgressTools(set, get)
   },
   default: () => {},
 }