fix(edit-flow): 批量生成时 plan.config 只回写一次，避免 generation_task_id 被循环覆盖

PR #1464 AI Review 发现的阻塞问题：count > 1 批量生成时，循环内对同一 source_edit_plan_id 多次调用 _writeback_edit_plan_config，每次都会覆盖 config.generation_task_id，最终只保留最后一个 task id。修复：仅在首个成功任务（len(created_tasks)==1）时回写。
2026-08-23 14:11:42 +08:00
1 changed files with 3 additions and 1 deletions
@@ -368,7 +368,9 @@ def create_generation_task(
                    log_task_status=True,
                ):
                    created_tasks.append(task)
-                    if request.source_edit_plan_id:
+                    # 只在首个成功任务时回写一次 plan.config，
+                    # 避免批量生成时循环覆盖 generation_task_id
+                    if request.source_edit_plan_id and len(created_tasks) == 1:
                        _writeback_edit_plan_config(
                            plan_id=request.source_edit_plan_id,
                            task_id=task.id,