feat: 把 A 端的 Session/KCP/视频/控制 都收口到一个本地 daemon 进程里，Django 和输入发送端都改成通过本机 UDS HTTP 去访问它，同时补齐了观测、性能和可用性上的几个关键问题。

backend/control/views.py

@@ -0,0 +1,59 @@
+from __future__ import annotations
+
+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+
+from .services import OmniDaemonError, control_service
+
+
+@api_view(["GET"])
+def control_status(request):
+    try:
+        return Response(control_service.get_status())
+    except OmniDaemonError as error:
+        return Response(
+            {
+                "connected": False,
+                "queue_depth": 0,
+                "last_seq_id": None,
+                "last_error": str(error),
+                "peer_id": "",
+                "target_peer": "",
+            },
+            status=503,
+        )
+
+
+@api_view(["POST"])
+def control_event(request):
+    event_code = str(request.data.get("event_code", "")).strip()
+    if not event_code:
+        return Response({"error": "event_code is required"}, status=400)
+
+    try:
+        drive_value = float(request.data.get("drive_value", 1.0))
+    except (TypeError, ValueError):
+        return Response({"error": "drive_value must be numeric"}, status=400)
+
+    raw_client_time_ms = request.data.get("client_time_ms")
+    if raw_client_time_ms in (None, ""):
+        client_time_ms = None
+    else:
+        try:
+            client_time_ms = int(raw_client_time_ms)
+        except (TypeError, ValueError):
+            return Response({"error": "client_time_ms must be an integer"}, status=400)
+
+    source = str(request.data.get("source", "django-api")).strip() or "django-api"
+
+    try:
+        payload = control_service.send_event(
+            event_code=event_code,
+            drive_value=drive_value,
+            source=source,
+            client_time_ms=client_time_ms,
+        )
+    except OmniDaemonError as error:
+        return Response({"error": str(error)}, status=503)
+
+    return Response(payload, status=200 if payload.get("accepted") else 503)