feat(campaign): make delivery modes explicit

src/govoplan_campaign/backend/schemas.py

@@ -492,6 +492,8 @@ class QueueCampaignResponse(BaseModel):
     skipped_count: int
     blocked_count: int
     enqueued_count: int
+    delivery_mode: str = "worker_queue"
+    worker_queue_available: bool = False
     dry_run: bool = False
 
 

src/govoplan_campaign/backend/sending/jobs.py

@@ -90,6 +90,8 @@ class QueueCampaignResult:
     skipped_count: int
     blocked_count: int
     enqueued_count: int
+    delivery_mode: str = "worker_queue"
+    worker_queue_available: bool = False
     dry_run: bool = False
 
     def as_dict(self) -> dict[str, Any]:
@@ -100,6 +102,8 @@ class QueueCampaignResult:
             "skipped_count": self.skipped_count,
             "blocked_count": self.blocked_count,
             "enqueued_count": self.enqueued_count,
+            "delivery_mode": self.delivery_mode,
+            "worker_queue_available": self.worker_queue_available,
             "dry_run": self.dry_run,
         }
 
@@ -676,6 +680,8 @@ def queue_campaign_jobs(
         skipped_count=skipped_count,
         blocked_count=blocked_count,
         enqueued_count=enqueued_count,
+        delivery_mode="worker_queue" if enqueue_celery else "database_queue",
+        worker_queue_available=_celery_enabled(),
         dry_run=dry_run,
     )