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。

Deploy_Tienkung/udp_loopback/omnisocket_keyboard_sender.py

@@ -1,4 +1,4 @@
-"""Keyboard sender that emits binary control packets over OmniSocket."""
+"""Keyboard sender that emits control events through OmniDaemon or OmniSocket."""
 
 from __future__ import annotations
 
@@ -9,8 +9,9 @@ import signal
 import sys
 import termios
 import threading
+import time
 import tty
-from typing import Dict, Optional
+from typing import Dict
 
 import yaml
 
@@ -20,32 +21,55 @@ except ImportError:  # pragma: no cover - direct script execution fallback
     from omnisocket_control import make_control_packet
 
 
+WORKSPACE_ROOT = Path(__file__).resolve().parents[3]
+DEFAULT_BACKEND = "daemon"
+
+
+def _load_daemon_client_api():
+    try:
+        from omnisocket_a_side.client import OmniDaemonClient
+    except ImportError:
+        python_dir = WORKSPACE_ROOT / "OmniSocketGo" / "python"
+        if python_dir.exists():
+            sys.path.insert(0, str(python_dir))
+        from omnisocket_a_side.client import OmniDaemonClient
+    return OmniDaemonClient
+
+
 def _load_omnisocket_api():
     try:
         from omnisocket import CONTROL_DEFAULTS, Session
     except ImportError as exc:  # pragma: no cover - environment dependent
         raise RuntimeError(
-            "omnisocket is not installed. Install it before using "
-            "omnisocket_keyboard_sender.py."
+            "omnisocket is not installed. Install it before using direct transport mode."
         ) from exc
     return CONTROL_DEFAULTS, Session
 
 
 class OmniSocketKeyboardSender:
-    """Standalone keyboard sender for OmniSocket control-plane testing."""
+    """Standalone keyboard sender for A-side control-plane testing."""
 
     def __init__(self) -> None:
         self.config: Dict[str, object] = {}
+        self.backend = self._resolve_backend()
         self.seq_id = 0
         self.running = False
         self.session = None
-        self.input_thread: Optional[threading.Thread] = None
+        self.daemon_client = None
+        self.input_thread: threading.Thread | None = None
         self.original_terminal_settings = None
 
         self._load_config()
-        self._init_session()
+        self._init_transport()
         self._print_help()
 
+    @staticmethod
+    def _resolve_backend() -> str:
+        backend = os.getenv("OMNI_TRANSPORT_BACKEND", DEFAULT_BACKEND).strip().lower()
+        if backend not in {"daemon", "direct"}:
+            return DEFAULT_BACKEND
+        return backend
+
     def _load_config(self) -> None:
         config_path = Path(__file__).resolve().parent / "config" / "omnisocket_demo.yaml"
         if config_path.exists():
@@ -64,7 +88,12 @@ class OmniSocketKeyboardSender:
         self.peer_id = str(sender_cfg.get("peer_id", "peer-a-ctrl"))
         self.target_peer = str(sender_cfg.get("target_peer", "peer-b-ctrl"))
 
-    def _init_session(self) -> None:
+    def _init_transport(self) -> None:
+        if self.backend == "daemon":
+            daemon_client_cls = _load_daemon_client_api()
+            self.daemon_client = daemon_client_cls()
+            return
+
         control_defaults, session_cls = _load_omnisocket_api()
         self.session = session_cls()
         self.session.connect(
@@ -78,7 +107,11 @@ class OmniSocketKeyboardSender:
 
     def _print_help(self) -> None:
         print("OmniSocket keyboard sender ready")
-        print(f"Peer: {self.peer_id} -> {self.target_peer} via {self.server_addr}")
+        print(f"Backend: {self.backend}")
+        if self.backend == "daemon":
+            print(f"Daemon socket: {os.getenv('OMNIDAEMON_SOCKET', '/tmp/omnisocket-a-side.sock')}")
+        else:
+            print(f"Peer: {self.peer_id} -> {self.target_peer} via {self.server_addr}")
         print("Keys:")
         print("  z -> pose_home")
         print("  c -> pose_hold")
@@ -128,6 +161,11 @@ class OmniSocketKeyboardSender:
         except KeyboardInterrupt:
             self._handle_ctrl_c()
         finally:
+            if self.daemon_client is not None:
+                try:
+                    self.daemon_client.close()
+                except Exception:
+                    pass
             if self.original_terminal_settings is not None:
                 termios.tcsetattr(
                     sys.stdin, termios.TCSADRAIN, self.original_terminal_settings
@@ -186,16 +224,34 @@ class OmniSocketKeyboardSender:
     def _send_event(
         self, event_code: str, key_name: str, drive_value: float = 1.0
     ) -> None:
-        if self.session is None:
+        try:
+            if self.backend == "daemon":
+                assert self.daemon_client is not None
+                result = self.daemon_client.send_control_event(
+                    source="keyboard-sender",
+                    event_code=event_code,
+                    drive_value=drive_value,
+                    client_time_ms=int(time.time() * 1000),
+                )
+                print(
+                    f"sent seq={result.get('assigned_seq_id')} event={event_code} "
+                    f"key={key_name} backend=daemon"
+                )
+            else:
+                if self.session is None:
+                    return
+                packet = make_control_packet(self.seq_id, event_code, drive_value)
+                payload = packet.encode()
+                self.seq_id += 1
+                self.session.send(to=self.target_peer, data=payload)
+                print(
+                    f"sent seq={packet.seq_id} event={event_code} key={key_name} "
+                    f"bytes={len(payload)} backend=direct"
+                )
+        except Exception as error:
+            print(f"send failed for {event_code}: {error}")
             return
-        packet = make_control_packet(self.seq_id, event_code, drive_value)
-        payload = packet.encode()
-        self.seq_id += 1
-        self.session.send(to=self.target_peer, data=payload)
-        print(
-            f"sent seq={packet.seq_id} event={event_code} key={key_name} "
-            f"bytes={len(payload)}"
-        )
+
         if event_code == "session_quit":
             self.running = False