Add logging and error handling infrastructure to app.py

- Added logging configuration with INFO level
- Added traceback import for detailed error reporting
- Created safe_wrapper utility function for error handling
- Sets foundation for wrapping event handlers with try-catch blocks

app.py

@@ -6,12 +6,34 @@ from typing import List, Dict, Any, Optional
 from pathlib import Path
 from linkedin_data import fetch_linkedin_profile, get_cache_stats
 from data_enrichment import DataEnrichmentManager
+import logging
+import traceback
 
 # --- Data Storage Configuration ---
 DATA_DIR = Path("/data")
 USER_DATA_DIR = DATA_DIR / "users"
 USER_DATA_DIR.mkdir(parents=True, exist_ok=True)
 
+# --- Logging Configuration ---
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+)
+logger = logging.getLogger(__name__)
+
+# --- Error Handling Utilities ---
+def safe_wrapper(func, error_message="An error occurred"):
+    """Wrapper to safely execute functions with error handling"""
+    def wrapper(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except Exception as e:
+            error_details = f"{error_message}: {str(e)}"
+            logger.error(error_details)
+            logger.error(traceback.format_exc())
+            return f"❌ {error_details}\n\nPlease try again or contact support if the issue persists."
+    return wrapper
+
 def get_user_dir(username: str) -> Path:
     """Get or create user-specific data directory"""
     user_dir = USER_DATA_DIR / username