feat: Add logging filter to suppress non-critical ASGI errors

- Filter uvicorn.error and starlette loggers
- Suppress 'NoneType not callable' and 'Exception in ASGI' messages
- These errors come from malformed external requests, not our code

Co-authored-by: Cursor <cursoragent@cursor.com>

app.py

@@ -21,9 +21,43 @@ Usage:
 """
 
 import os
+import logging
 import gradio as gr
 from dotenv import load_dotenv
 
+
+# =============================================================================
+# Logging Configuration - Filter out non-critical ASGI errors
+# =============================================================================
+class ASGIErrorFilter(logging.Filter):
+    """Filter to suppress known non-critical ASGI/MCP errors.
+    
+    These errors occur when external clients send malformed requests
+    or when health checks hit MCP endpoints. They don't affect functionality.
+    """
+    
+    SUPPRESSED_MESSAGES = [
+        "Exception in ASGI application",
+        "'NoneType' object is not callable",
+        "Exception Group Traceback",
+    ]
+    
+    def filter(self, record: logging.LogRecord) -> bool:
+        """Return False to suppress the log record."""
+        message = record.getMessage()
+        for suppressed in self.SUPPRESSED_MESSAGES:
+            if suppressed in message:
+                return False
+        return True
+
+
+# Apply filter to uvicorn error logger
+uvicorn_error_logger = logging.getLogger("uvicorn.error")
+uvicorn_error_logger.addFilter(ASGIErrorFilter())
+
+# Also filter the root logger for starlette errors
+logging.getLogger("starlette").addFilter(ASGIErrorFilter())
+
 # Load environment variables
 load_dotenv()