Update chat_handler.py

chat_handler.py

@@ -91,6 +91,15 @@ async def spark_generate(s: Session, prompt: str, user_msg: str) -> str:
 # ─────────────────────────  FASTAPI ───────────────────────── #
 router = APIRouter()
 
+@router.get("/health")
+def health_check():
+    """Health check endpoint for monitoring"""
+    return {
+        "status": "ok",
+        "sessions": len(session_store._sessions),
+        "timestamp": datetime.now().isoformat()
+    }
+
 @router.get("/")
 def health(): 
     return {"status": "ok", "sessions": len(session_store._sessions)}