fix: 修复生成报告时的 KeyError: 'group_id' 崩溃问题

- 在 execute_daily_analysis 返回结果中补全 group_id 和 platform_id
- 在 execute_incremental_final_report 返回结果中补全对应字段
- 确保 main.py 中的报表分发逻辑能正确获取目标群组信息

src/application/services/analysis_application_service.py

@@ -237,6 +237,8 @@ class AnalysisApplicationService:
                 "analysis_result": analysis_result,
                 "messages_count": len(unified_messages),
                 "adapter": adapter,
+                "group_id": group_id,
+                "platform_id": getattr(adapter, "platform_id", platform_id),
             }
 
     # ----------------------------------------------------------------
@@ -592,6 +594,8 @@ class AnalysisApplicationService:
                 "analysis_result": analysis_result,
                 "messages_count": state.total_message_count,
                 "adapter": adapter,
+                "group_id": group_id,
+                "platform_id": getattr(adapter, "platform_id", platform_id),
             }
 
     # ----------------------------------------------------------------