feat: update Celery worker configuration and improve connector deletion process

- Added support for multiple queues in Celery worker configuration.
- Modified connector deletion to handle documents inline instead of using a background task.
- Updated response messages for document creation and connector deletion to reflect new processing status.
- Removed the obsolete connector deletion Celery task file.

surfsense_web/content/docs/manual-installation.mdx

@@ -278,8 +278,9 @@ In a new terminal window, start the Celery worker to handle background tasks:
 # Make sure you're in the surfsense_backend directory
 cd surfsense_backend
 
-# Start Celery worker
-uv run celery -A celery_worker.celery_app worker --loglevel=info --concurrency=1 --pool=solo
+# Start Celery worker (consume both default and connectors queues)
+DEFAULT_Q="${CELERY_TASK_DEFAULT_QUEUE:-surfsense}"
+uv run celery -A celery_worker.celery_app worker --loglevel=info --concurrency=1 --pool=solo --queues="${DEFAULT_Q},${DEFAULT_Q}.connectors"
 ```
 
 **If using pip/venv:**
@@ -293,8 +294,9 @@ source .venv/bin/activate  # Linux/macOS
 # OR
 .venv\Scripts\activate     # Windows
 
-# Start Celery worker
-celery -A celery_worker.celery_app worker --loglevel=info --concurrency=1 --pool=solo
+# Start Celery worker (consume both default and connectors queues)
+DEFAULT_Q="${CELERY_TASK_DEFAULT_QUEUE:-surfsense}"
+celery -A celery_worker.celery_app worker --loglevel=info --concurrency=1 --pool=solo --queues="${DEFAULT_Q},${DEFAULT_Q}.connectors"
 ```
 
 **Optional: Start Flower for monitoring Celery tasks:**

surfsense_web/contracts/types/connector.types.ts

@@ -133,7 +133,10 @@ export const updateConnectorResponse = searchSourceConnector;
 export const deleteConnectorRequest = searchSourceConnector.pick({ id: true });
 
 export const deleteConnectorResponse = z.object({
-	message: z.literal("Search source connector deleted successfully"),
+	message: z.string(),
+	status: z.string().optional(),
+	connector_id: z.number().optional(),
+	connector_name: z.string().optional(),
 });
 
 /**