Update app.py

app.py

@@ -66,16 +66,18 @@ def _serialize_input(val: Any) -> Any:
 def _log_call_start(func_name: str, **kwargs: Any) -> None:
     try:
         compact = {k: _serialize_input(v) for k, v in kwargs.items()}
-        print(f"[TOOL CALL] {func_name} inputs: {json.dumps(compact, ensure_ascii=False)[:800]}", flush=True)
+        # Use sys.__stdout__ to avoid capturing logs in redirected output
+        print(f"[TOOL CALL] {func_name} inputs: {json.dumps(compact, ensure_ascii=False)[:800]}", flush=True, file=sys.__stdout__)
     except Exception as exc:
-        print(f"[TOOL CALL] {func_name} (failed to log inputs: {exc})", flush=True)
+        print(f"[TOOL CALL] {func_name} (failed to log inputs: {exc})", flush=True, file=sys.__stdout__)
 
 
 def _log_call_end(func_name: str, output_desc: str) -> None:
     try:
-        print(f"[TOOL RESULT] {func_name} output: {output_desc}", flush=True)
+        # Use sys.__stdout__ to avoid capturing logs in redirected output
+        print(f"[TOOL RESULT] {func_name} output: {output_desc}", flush=True, file=sys.__stdout__)
     except Exception as exc:
-        print(f"[TOOL RESULT] {func_name} (failed to log output: {exc})", flush=True)
+        print(f"[TOOL RESULT] {func_name} (failed to log output: {exc})", flush=True, file=sys.__stdout__)
 
 # Ensure Tools modules can import 'app' when this file is executed as a script
 # (their code does `from app import ...`).