Fix run_validation to consistently use yield instead of return

- Changed all return statements in run_validation to yield
- This ensures consistent generator behavior for Gradio
- Fixes API schema generation issues

validator_gui.py

@@ -241,7 +241,8 @@ class ValidatorGUI:
         # Validate configuration
         errors = self.validate_config(file_path, solver_model, recon_model, num_processes, batch_size)
         if errors:
-            return f"### Configuration Errors\n" + "\n".join(f"- {e}" for e in errors), None, ""
+            yield f"### Configuration Errors\n" + "\n".join(f"- {e}" for e in errors), None, ""  
+            return
         
         self.is_running = True
         output_log = []
@@ -316,7 +317,8 @@ class ValidatorGUI:
             except Exception as e:
                 error_msg = f"Failed to start validator: {str(e)}"
                 print(f"[GUI Error] {error_msg}")
-                return error_msg, None, ""
+                yield error_msg, None, ""
+                return
             
             # Read output
             lines_processed = 0
@@ -360,17 +362,18 @@ class ValidatorGUI:
             
             # Check if output file exists
             if os.path.exists(output_path):
-                return output_text, output_path, final_stats
+                yield output_text, output_path, final_stats
             else:
                 # Try original naming convention as fallback
                 fallback_path = file_path.replace('.xlsx', '_validated.xlsx')
                 if os.path.exists(fallback_path):
-                    return output_text, fallback_path, final_stats
-                return output_text, None, final_stats
+                    yield output_text, fallback_path, final_stats
+                else:
+                    yield output_text, None, final_stats
                 
         except Exception as e:
             stats = self.get_progress_stats()
-            return f"Error: {str(e)}\n\n{stats}\n\n{''.join(output_log)}", None, stats
+            yield f"Error: {str(e)}\n\n{stats}\n\n{''.join(output_log)}", None, stats
         finally:
             self.is_running = False
             self.process = None