feat: Add detailed debug logging for watchlist item creation and insertion

src/pages/trading/trading_system_page.py

@@ -231,6 +231,16 @@ def trading_system_page():
 
                     if st.button("Add to Watch List", key="add_to_watchlist"):
                         try:
+                            # Debug print before creating item
+                            print("\n=== PRE-WATCHLIST ITEM CREATION ===")
+                            print(f"Ticker: {ticker}")
+                            print(f"Entry Price: {entry_price}")
+                            print(f"Target Price: {target_price}")
+                            print(f"Stop Loss: {position['stop_loss']}")
+                            print(f"Notes: {notes}")
+                            print(f"Selected Watchlist ID: {selected_list[0]}")
+                            print("=====================================\n")
+                            
                             logger.info(f"Attempting to add {ticker} to watchlist {selected_list[0]}")
                             logger.info(f"Entry: {entry_price}, Target: {target_price}, Stop: {position['stop_loss']}")
                             

src/trading/watchlist.py

@@ -37,6 +37,18 @@ def get_watchlists() -> List[dict]:
 def add_to_watchlist(watchlist_id: int, item: WatchlistItem) -> bool:
     with create_client() as client:
         try:
+            # Debug print at start of function
+            print("\n=== WATCHLIST INSERT ATTEMPT ===")
+            print("Input parameters:")
+            print(f"Watchlist ID: {watchlist_id}")
+            print(f"Item details:")
+            print(f"  Ticker: {item.ticker}")
+            print(f"  Entry Price: {item.entry_price}")
+            print(f"  Target Price: {item.target_price}")
+            print(f"  Stop Loss: {item.stop_loss}")
+            print(f"  Notes: {item.notes}")
+            print("=============================\n")
+
             # Log the initial state
             logger.info("=== Starting add_to_watchlist operation ===")
             
@@ -92,6 +104,14 @@ def add_to_watchlist(watchlist_id: int, item: WatchlistItem) -> bool:
             logger.info(f"Column Types: {column_types}")
             logger.info(f"Data to insert: {data}")
             
+            # Add debug print before actual insert
+            print("\n=== DATABASE INSERT ATTEMPT ===")
+            print(f"Table: stock_db.watchlist_items")
+            print(f"Data to insert: {data}")
+            print(f"Column names: {column_names}")
+            print(f"Column types: {column_types}")
+            print("============================\n")
+            
             # Perform insert
             try:
                 client.insert(
@@ -100,8 +120,10 @@ def add_to_watchlist(watchlist_id: int, item: WatchlistItem) -> bool:
                     column_names=column_names,
                     column_types=column_types
                 )
-                logger.info("Insert operation completed")
+                print("Insert operation completed successfully")
             except Exception as insert_error:
+                print(f"\nINSERT ERROR: {insert_error}")
+                print(f"Error type: {type(insert_error)}")
                 logger.error(f"Insert operation failed: {insert_error}")
                 raise