Fix hyperparameter parsing for read-only mode

- Improved CSV parsing logic for hyperparameters with empty type cells
- Enhanced read-only mode sheet access with multiple URL formats and GID mapping
- Added debug logging to identify parameter type mismatches
- Fixed UnboundLocalError for max_size variable
- Fixed unused variable warnings

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

poly_data/data_utils.py

@@ -150,8 +150,19 @@ def update_markets():
 
     if len(received_df) > 0:
         global_state.df, global_state.params = received_df.copy(), received_params
+    
+    # Debug: Show what param_types are in the markets data
+    if 'param_type' in received_df.columns:
+        param_types_used = received_df['param_type'].unique()
+        print(f"DEBUG: param_types used in markets: {param_types_used}")
+        print(f"DEBUG: Available hyperparameter types: {list(received_params.keys())}")
+        
+        # Check for mismatches
+        missing_params = [pt for pt in param_types_used if pt not in received_params.keys()]
+        if missing_params:
+            print(f"WARNING: Missing hyperparameters for param_types: {missing_params}")
 
-    for idx, row in global_state.df.iterrows():
+    for _, row in global_state.df.iterrows():
         for col in ['token1', 'token2']:
             row[col] = str(row[col])