Update app/celery_app.py

app/celery_app.py

@@ -1,18 +1,25 @@
 from celery import Celery
 from app.config import settings
 
-
-celery = Celery(
-    "prir",
-    broker=settings.CELERY_BROKER_URL,
-    backend=settings.CELERY_RESULT_BACKEND,
-)
-
-
-celery.conf.update(
-    task_serializer="json",
-    accept_content=["json"],
-    result_serializer="json",
-    timezone="Asia/Tokyo",
-    enable_utc=True,
-)
+# Allow running without a broker (Queues disabled in Spaces preview)
+if settings.CELERY_BROKER_URL:
+    celery = Celery(
+        "prir",
+        broker=settings.CELERY_BROKER_URL,
+        backend=settings.CELERY_RESULT_BACKEND or None,
+    )
+    celery.conf.update(
+        task_serializer="json",
+        accept_content=["json"],
+        result_serializer="json",
+        timezone="Asia/Tokyo",
+        enable_utc=True,
+    )
+else:
+    # Dummy Celery shim for .delay/.apply_async to fail gracefully
+    class _Dummy:
+        def task(self, *a, **kw):
+            def deco(fn):
+                return fn
+            return deco
+    celery = _Dummy()