fix: 修复图片补图删除回填

core/backend/apps/ai/services.py

@@ -2775,7 +2775,7 @@ def _reap_stale_standalone_image_tasks(*, team) -> None:
             continue
 
 
-def enqueue_standalone_images(*, team, user, prompt: str, mode: str = "image", count: int = 1, product_id: str | None = None, reference_product: bool = False, model_id: str | None = None, model_entity_id: str | None = None, ratio: str | None = None, image_model: str | None = None, conversation=None, reference_image_ids: list[str] | None = None, platform_id: str | None = None, batch_id: str | None = None, tryon_prompt_v2_override: bool = False, tryon_ab: dict | None = None, dispatch: bool = True) -> list[AITask]:
+def enqueue_standalone_images(*, team, user, prompt: str, mode: str = "image", count: int = 1, product_id: str | None = None, reference_product: bool = False, model_id: str | None = None, model_entity_id: str | None = None, ratio: str | None = None, image_model: str | None = None, conversation=None, reference_image_ids: list[str] | None = None, platform_id: str | None = None, batch_id: str | None = None, retry_of_task_id: str | None = None, tryon_prompt_v2_override: bool = False, tryon_ab: dict | None = None, dispatch: bool = True) -> list[AITask]:
     """独立生图(图片创作 / 模特上身图 / 平台套图)改为**异步**:本函数在 Web 请求里只做「建任务 +
     预留额度」这种秒级的活,真正 ~30s 的 ARK 出图交给 Celery worker(generate_standalone_image_task)。
 
@@ -2812,6 +2812,18 @@ def enqueue_standalone_images(*, team, user, prompt: str, mode: str = "image", c
             batch_id = None
     if not is_append:
         batch_id = str(uuid.uuid4())
+        retry_of_task_id = None
+    elif retry_of_task_id:
+        retry_of_task = AITask.objects.filter(
+            id=retry_of_task_id,
+            team=team,
+            project__isnull=True,
+            is_deleted=False,
+            purged_at__isnull=True,
+            request_payload__batch_id=batch_id,
+            status__in=(AITask.Status.FAILED, AITask.Status.CANCELLED),
+        ).first()
+        retry_of_task_id = str(retry_of_task.id) if retry_of_task else None
     # 平台套图:规范化平台 id(前端 dy/tb… → canonical),用于注入平台版式块(优化版);非 cover 模式忽略。
     platform_key = str(platform_id or "").strip() if mode == "cover" else ""
     platform_name = _PLATFORM_NAMES.get(platform_key, "")
@@ -2884,6 +2896,8 @@ def enqueue_standalone_images(*, team, user, prompt: str, mode: str = "image", c
         # 只在重跑/补图时落键(不落 False):workbench 用 KeyTextTransform 抽文本,"false" 字符串也是真值,会误判
         if is_append:
             request_payload["batch_append"] = True
+            if retry_of_task_id:
+                request_payload["retry_of_task_id"] = retry_of_task_id
         if quote.meta.get("rate"):
             request_payload["points_per_yuan_snapshot"] = quote.meta["rate"]
         task = AITask.objects.create(