feat: Implement initial schema and add various API, service, and management command enhancements across the application.

backend/apps/moderation/sse.py

@@ -4,6 +4,7 @@ Server-Sent Events (SSE) endpoint for real-time moderation dashboard updates.
 This module provides a streaming HTTP response that broadcasts submission status
 changes to connected moderators in real-time.
 """
+
 import json
 import logging
 import queue
@@ -103,6 +104,7 @@ class ModerationSSEView(APIView):
 
         Sends a heartbeat every 30 seconds to keep the connection alive.
         """
+
         def event_stream() -> Generator[str]:
             client_queue = sse_broadcaster.subscribe()
 
@@ -124,13 +126,10 @@ class ModerationSSEView(APIView):
             finally:
                 sse_broadcaster.unsubscribe(client_queue)
 
-        response = StreamingHttpResponse(
-            event_stream(),
-            content_type='text/event-stream'
-        )
-        response['Cache-Control'] = 'no-cache'
-        response['X-Accel-Buffering'] = 'no'  # Disable nginx buffering
-        response['Connection'] = 'keep-alive'
+        response = StreamingHttpResponse(event_stream(), content_type="text/event-stream")
+        response["Cache-Control"] = "no-cache"
+        response["X-Accel-Buffering"] = "no"  # Disable nginx buffering
+        response["Connection"] = "keep-alive"
 
         return response
 
@@ -168,15 +167,17 @@ class ModerationSSETestView(APIView):
 
         sse_broadcaster.broadcast(test_payload)
 
-        return JsonResponse({
-            "status": "ok",
-            "message": f"Test event broadcast to {len(sse_broadcaster._subscribers)} clients",
-            "payload": test_payload,
-        })
+        return JsonResponse(
+            {
+                "status": "ok",
+                "message": f"Test event broadcast to {len(sse_broadcaster._subscribers)} clients",
+                "payload": test_payload,
+            }
+        )
 
 
 __all__ = [
-    'ModerationSSEView',
-    'ModerationSSETestView',
-    'sse_broadcaster',
+    "ModerationSSEView",
+    "ModerationSSETestView",
+    "sse_broadcaster",
 ]