fix: 修正模型超时与结果未知重放

core/backend/apps/ai/free_video.py

@@ -306,8 +306,8 @@ def _unavailable_library_asset_target(resolved_assets: list[dict], raw_message:
 
 def _reap_stale_free_video_tasks(*, team) -> None:
     """僵尸回收(趁每次新提交顺手做,无需定时任务):
-    · RESERVED 超 10 分钟:没提交到火山就死(worker 崩溃/进程重启)→ 标失败退费;
-    · SUBMITTED/POLLING 超 2 小时:轮询链早已断且无人认领(正常出片 5-10 分钟)→ 标失败退费;
+    · RESERVED 超过视频提交阶段总时限:没提交到火山就死(worker 崩溃/进程重启)→ 标失败退费;
+    · SUBMITTED/POLLING 已有远端任务 ID，只能按供应商终态收尾，不按本地等待时间回收;
     · POSTPROCESSING 超 30 分钟:转存/结算中途崩溃 → 标失败退费(火山可能已出片,平台承担该笔成本)。"""
     now = timezone.now()
     from .routing_policy import load_model_routing_policy
@@ -319,11 +319,6 @@ def _reap_stale_free_video_tasks(*, team) -> None:
             {"updated_at__lt": now - timedelta(seconds=video_policy.submit_total_timeout)},
             "任务未在配置的提交总时限内完成(自动回收)",
         ),
-        (
-            [AITask.Status.SUBMITTED, AITask.Status.POLLING],
-            {"submitted_at__lt": now - timedelta(seconds=video_policy.generation_timeout)},
-            "生成超过配置的成片等待总时限(自动回收)",
-        ),
         (
             [AITask.Status.POSTPROCESSING],
             {"updated_at__lt": now - timedelta(minutes=30)},
@@ -669,30 +664,6 @@ def finalize_free_video(*, task: AITask) -> AITask:
     from .services import get_video_provider
 
     video_policy = load_model_routing_policy().video
-    if task.submitted_at and (
-        timezone.now() - task.submitted_at
-    ).total_seconds() >= video_policy.generation_timeout:
-        timeout_message = "视频生成超过配置的成片等待总时限"
-        public_error = classify_generation_error(
-            TimeoutError(timeout_message),
-            operation="video_generate",
-            reference_id=str(task.id),
-        )
-        with transaction.atomic():
-            locked = AITask.objects.select_for_update().get(id=task.id)
-            if locked.status not in (AITask.Status.SUBMITTED, AITask.Status.POLLING):
-                return locked
-            locked.status = AITask.Status.FAILED
-            locked.error_code = "GenerationTimeout"
-            locked.error_message = timeout_message
-            locked.completed_at = timezone.now()
-            locked.save(
-                update_fields=["status", "error_code", "error_message", "completed_at", "updated_at"]
-            )
-            release_credit(reservation=locked.credit_reservation, reason=timeout_message)
-        _notify_failure(locked, raw=timeout_message, hint=public_error.fallback_message)
-        return locked
-
     submit_attempt = (
         task.model_attempts.filter(status="succeeded", operation="video_generate")
         .select_related("model_config__provider")