完成极速成品和脚本优化

core/backend/apps/common/celery_health.py

@@ -27,13 +27,39 @@ class WorkerUnavailable(APIException):
 _OK_TTL = 30.0
 _FAIL_TTL = 5.0
 _cache = {"ok": False, "expires": 0.0}
+# True / False / None(inspect 没答上来,不当成「未部署」)
+_registered_task_cache: dict[str, tuple[bool | None, float]] = {}
+
+
+def _task_name_listed(task_name: str, task_names) -> bool:
+    """Celery inspect.registered() 可能给全名、短名,或带 [rate] 后缀。"""
+    short = task_name.rsplit(".", 1)[-1]
+    for raw in task_names or []:
+        name = str(raw).split("[", 1)[0].strip()
+        if name in {task_name, short} or name.endswith("." + short):
+            return True
+    return False
+
+
+def _inspect_task_registered(task_name: str) -> bool | None:
+    """True 已注册 / False 明确没有 / None 问不到(超时或空应答)。"""
+    try:
+        from airshelf.celery import app as celery_app
+
+        registered = celery_app.control.inspect(timeout=2.5).registered()
+    except Exception:  # noqa: BLE001 — inspect 失败不等于任务没部署
+        return None
+    if not registered:
+        return None
+    return any(_task_name_listed(task_name, names) for names in registered.values())
 
 
 def _ping_workers() -> bool:
     from airshelf.celery import app as celery_app
 
-    # limit=1:收到第一个 worker 回包立即返回,不傻等满 timeout
-    return bool(celery_app.control.ping(timeout=1.0, limit=1))
+    # limit=1:收到第一个 worker 回包立即返回。本机连火山 Redis 往返常超过 1s,
+    # 超时会被误判成 worker 未运行,生成入口整页锁死。
+    return bool(celery_app.control.ping(timeout=3.0, limit=1))
 
 
 def celery_worker_available() -> bool:
@@ -55,3 +81,29 @@ def require_worker() -> None:
     """生成类提交入口的前置检查:无 worker 直接 503,不让任务出门。"""
     if not celery_worker_available():
         raise WorkerUnavailable()
+
+
+def require_worker_task(task_name: str) -> None:
+    """确认在线 Worker 已加载指定任务，避免新功能被旧进程静默丢弃。
+
+    Worker 在线不代表它已经加载了最新 tasks.py。Celery 收到未注册任务会直接丢弃消息，
+    页面只能看到永久「生成中」。提交极速成片等新编排前，额外确认任务名已注册。
+
+    inspect 超时/空应答不能当成「未部署」——本机常见 ping 通、inspect 1s 问不到,
+    会误报「正在升级」。只有明确看到已注册列表且没有该任务时才拦截。
+    """
+    if getattr(settings, "CELERY_TASK_ALWAYS_EAGER", False):
+        return
+    require_worker()
+    now = time.monotonic()
+    cached = _registered_task_cache.get(task_name)
+    if cached and now < cached[1]:
+        available = cached[0]
+    else:
+        available = _inspect_task_registered(task_name)
+        ttl = _OK_TTL if available else _FAIL_TTL
+        _registered_task_cache[task_name] = (available, now + ttl)
+    if available is False:
+        exc = WorkerUnavailable()
+        exc.detail = "极速成片后台任务尚未加载，请重启 Celery worker 后再试。"
+        raise exc