fix pre commit hook bug

Author: rxdaozhang

app.py

@@ -1,5 +1,7 @@
 import asyncio
+import threading
 import uuid
+import webbrowser
 from datetime import datetime
 from json import dumps
 
@@ -10,6 +12,7 @@
 from fastapi.templating import Jinja2Templates
 from pydantic import BaseModel
 
+
 app = FastAPI()
 
 app.mount("/static", StaticFiles(directory="static"), name="static")
@@ -172,7 +175,9 @@ async def event_generator():
 
         task = task_manager.tasks.get(task_id)
         if task:
-            yield f"event: status\ndata: {dumps({'type': 'status','status': task.status,'steps': task.steps})}\n\n"
+            message = {"type": "status", "status": task.status, "steps": task.steps}
+            json_message = dumps(message)
+            yield f"event: status\ndata: {json_message}\n\n"
 
         while True:
             try:
@@ -190,7 +195,13 @@ async def event_generator():
                 elif event["type"] == "step":
                     task = task_manager.tasks.get(task_id)
                     if task:
-                        yield f"event: status\ndata: {dumps({ 'type': 'status','status': task.status,'steps': task.steps })}\n\n"
+                        message = {
+                            "type": "status",
+                            "status": task.status,
+                            "steps": task.steps,
+                        }
+                        json_message = dumps(message)
+                        yield f"event: status\ndata: {json_message}\n\n"
                     yield f"event: {event['type']}\ndata: {formatted_event}\n\n"
                 elif event["type"] in ["think", "tool", "act", "run"]:
                     yield f"event: {event['type']}\ndata: {formatted_event}\n\n"
@@ -241,7 +252,12 @@ async def generic_exception_handler(request: Request, exc: Exception):
     )
 
 
+def open_local_browser():
+    webbrowser.open_new_tab("http://localhost:5172")
+
+
 if __name__ == "__main__":
+    threading.Timer(3, open_local_browser).start()
     import uvicorn
 
-    uvicorn.run(app, host="localhost", port=5172)
+    uvicorn.run(app, host="localhost", port=5172)