重构: 切换存储至SQLite，启用INI配置与API Key校验

src/gasflux/processing_pipelines.py

@@ -309,7 +309,7 @@ class DataProcessor:
             ].std()
 
 
-def process_main(data_file: Path, config_file: Path, task_id: str | None = None) -> None:
+def process_main(data_file: Path, config_file: Path, output_dir: Path, task_id: str | None = None) -> DataProcessor:
     """Main function to run the pipeline."""
     config = load_config(config_file)
     # 优先使用 task_id，否则退回文件 stem
@@ -319,5 +319,7 @@ def process_main(data_file: Path, config_file: Path, task_id: str | None = None)
     processor = DataProcessor(config, df)
     processor.strategy_selection()
     processor.process()
-    reporting.generate_reports(name, processor, config)
+    reporting.generate_reports(name, processor, config, output_dir)
     logger.info("Processing complete")
+
+    return processor  # 返回processor对象