feat: enhance agent orchestration, knowledge flow and UI refinements

backend/app/agents/tools/forum.py

@@ -6,15 +6,17 @@ from app.models.forum import ForumPost, ForumReply
 from app.agents.context import get_current_user
 from sqlalchemy import select
 import asyncio
+from concurrent.futures import ThreadPoolExecutor
+
+_executor = ThreadPoolExecutor(max_workers=4)
 
 
 def _run_async(coro, timeout: int = 30):
     try:
-        loop = asyncio.get_running_loop()
-        future = loop.run_in_executor(__import__("concurrent.futures").ThreadPoolExecutor(), lambda: asyncio.run(coro))
-        return future.result(timeout=timeout)
+        asyncio.get_running_loop()
     except RuntimeError:
         return asyncio.run(coro)
+    return _executor.submit(asyncio.run, coro).result(timeout=timeout)
 
 
 @tool