fix: 前端显示真实发送频率和渲染频率

backend/config/asgi.py

@@ -9,23 +9,8 @@ https://docs.djangoproject.com/en/5.2/howto/deployment/asgi/
 
 import os
 
-from channels.auth import AuthMiddlewareStack
-from channels.routing import ProtocolTypeRouter, URLRouter
-from channels.security.websocket import OriginValidator
-from django.conf import settings
 from django.core.asgi import get_asgi_application
 
 os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
 
-django_asgi_app = get_asgi_application()
+application = get_asgi_application()
-
-from monitoring.routing import websocket_urlpatterns
-
-
-application = ProtocolTypeRouter({
-    "http": django_asgi_app,
-    "websocket": OriginValidator(
-        AuthMiddlewareStack(URLRouter(websocket_urlpatterns)),
-        settings.CONTROL_WS_ALLOWED_ORIGINS,
-    ),
-})

backend/config/settings.py

@@ -1,13 +1,7 @@
-import os
 from pathlib import Path
 
 BASE_DIR = Path(__file__).resolve().parent.parent
 
-
-def _split_csv_env(name: str) -> list[str]:
-    value = os.getenv(name, "")
-    return [item.strip().rstrip("/") for item in value.split(",") if item.strip()]
-
 SECRET_KEY = 'django-insecure-pk4scm@ifo%mao6l=j0@-$_v+pg-43^hj4a!199^)zivz-_8xu'
 DEBUG = True
 ALLOWED_HOSTS = ["*"]
@@ -23,6 +17,7 @@ INSTALLED_APPS = [
     'rest_framework',
     'channels',
     'monitoring',
+    'control',
 ]
 
 MIDDLEWARE = [
@@ -91,24 +86,5 @@ USE_TZ = True
 
 STATIC_URL = 'static/'
 CORS_ALLOW_ALL_ORIGINS = True
-CORS_EXPOSE_HEADERS = [
-    'X-Blitz-Frame-Seq',
-    'X-Blitz-Backend-Received-Unix-Ns',
-    'X-Blitz-Frame-Hash',
-    'X-Blitz-BSide-Capture-To-Send-Ms',
-]
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
-
-CONTROL_WS_ALLOWED_ORIGINS = _split_csv_env('CONTROL_WS_ALLOWED_ORIGINS') or [
-    'http://127.0.0.1',
-    'http://127.0.0.1:5173',
-    'http://127.0.0.1:4173',
-    'http://127.0.0.1:8001',
-    'https://127.0.0.1',
-    'http://localhost:5173',
-    'http://localhost:4173',
-    'http://localhost',
-    'http://localhost:8001',
-    'https://localhost',
-]

backend/config/urls.py

@@ -4,4 +4,5 @@ from django.urls import include, path
 urlpatterns = [
     path('admin/', admin.site.urls),
     path('api/', include('monitoring.urls')),
+    path('api/control/', include('control.urls')),
 ]

backend/control/__init__.py

@@ -0,0 +1 @@
+default_app_config = "control.apps.ControlConfig"

backend/control/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class ControlConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "control"

backend/control/services.py

@@ -0,0 +1,51 @@
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+from typing import Any
+
+
+PROJECT_ROOT = Path(__file__).resolve().parents[2]
+WORKSPACE_ROOT = PROJECT_ROOT.parent
+
+
+def _load_client_api():
+    try:
+        from omnisocket_a_side.client import OmniDaemonClient, OmniDaemonError
+    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, OmniDaemonError
+    return OmniDaemonClient, OmniDaemonError
+
+
+_OmniDaemonClient, OmniDaemonError = _load_client_api()
+_daemon_client = _OmniDaemonClient()
+
+
+def get_daemon_client():
+    return _daemon_client
+
+
+class ControlProxyService:
+    def get_status(self) -> dict[str, Any]:
+        return get_daemon_client().get_control_status()
+
+    def send_event(
+        self,
+        *,
+        event_code: str,
+        drive_value: float = 1.0,
+        source: str = "django-api",
+        client_time_ms: int | None = None,
+    ) -> dict[str, Any]:
+        return get_daemon_client().send_control_event(
+            source=source,
+            event_code=event_code,
+            drive_value=drive_value,
+            client_time_ms=client_time_ms,
+        )
+
+
+control_service = ControlProxyService()

backend/control/urls.py

@@ -0,0 +1,9 @@
+from django.urls import path
+
+from . import views
+
+
+urlpatterns = [
+    path("event/", views.control_event, name="control-event"),
+    path("status/", views.control_status, name="control-status"),
+]

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)

backend/monitoring/common.py

@@ -1,342 +0,0 @@
-from __future__ import annotations
-
-import os
-import json
-import struct
-from datetime import datetime, timezone
-from pathlib import Path
-import threading
-import time
-from typing import Any
-
-
-PROJECT_ROOT = Path(__file__).resolve().parents[2]
-WORKSPACE_ROOT = PROJECT_ROOT.parent
-JPEG_FRAME_DIR = WORKSPACE_ROOT / "RobotDataShow" / "jpeg-frames"
-OMNISOCKET_CONFIG_PATH = PROJECT_ROOT / "config" / "omnisocket_demo.yaml"
-
-VIDEO_SOURCE_MODE = os.getenv("VIDEO_SOURCE_MODE", "auto").strip().lower()
-OMNISOCKET_FRAME_FRESH_SECONDS = 2.0
-VIDEO_TIMESTAMP_SAMPLE_SIZE = 10
-VIDEO_TRAILER_ENDIANNESS = "little"
-VIDEO_TRAILER_TIMESTAMP_UNIT = "ms"
-VIDEO_TRAILER_TIMESTAMP_MULTIPLIER_NS = 1_000_000
-VIDEO_TRAILER_TIMESTAMP_MAX_SKEW_NS = 7 * 24 * 60 * 60 * 1_000_000_000
-VIDEO_TRAILER_COORDINATE_FORMAT = (
-    "uint64 timestamp_ms + float64 latitude + float64 longitude + uint32 capture_to_send_ms (little-endian)"
-)
-VIDEO_TRAILER_STRUCT = struct.Struct("<QddI")
-VIDEO_TRAILER_BYTES = VIDEO_TRAILER_STRUCT.size
-
-CONTROL_PACKET = struct.Struct("<6f")
-CONTROL_PACKET_SIZE = CONTROL_PACKET.size
-CONTROL_SOURCE_NATIVE_UDP = "native_udp"
-CONTROL_SOURCE_WEB = "web"
-CONTROL_SOURCE_PRIORITY = (CONTROL_SOURCE_NATIVE_UDP, CONTROL_SOURCE_WEB)
-ZERO_CONTROL_PAYLOAD = CONTROL_PACKET.pack(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
-BLITZ_RUN_DIR_RAW = os.getenv("BLITZ_RUN_DIR", "").strip()
-BLITZ_RUN_DIR = Path(BLITZ_RUN_DIR_RAW).expanduser() if BLITZ_RUN_DIR_RAW else None
-BLITZ_INSTANCE_ID = os.getenv("BLITZ_INSTANCE_ID", "").strip() or f"backend-{os.getpid()}"
-
-
-def utc_iso_now() -> str:
-    return datetime.now(timezone.utc).isoformat(timespec="seconds").replace("+00:00", "Z")
-
-
-def parse_simple_yaml_scalar(value: str) -> Any:
-    if value in {'""', "''"}:
-        return ""
-    if len(value) >= 2 and value[0] == value[-1] and value[0] in {'"', "'"}:
-        return value[1:-1]
-    if value.lower() == "true":
-        return True
-    if value.lower() == "false":
-        return False
-    if value and value.lstrip("-").isdigit():
-        return int(value)
-    return value
-
-
-def load_simple_yaml_config(path: Path) -> dict[str, Any]:
-    parsed: dict[str, Any] = {}
-    current_section: str | None = None
-
-    with path.open("r", encoding="utf-8") as file:
-        for raw_line in file:
-            line = raw_line.split("#", 1)[0].rstrip()
-            if not line.strip():
-                continue
-
-            if not line.startswith(" "):
-                if not line.endswith(":"):
-                    raise ValueError(f"invalid top-level yaml line: {raw_line.strip()}")
-                current_section = line[:-1].strip()
-                parsed[current_section] = {}
-                continue
-
-            if current_section is None:
-                raise ValueError(f"yaml key outside section: {raw_line.strip()}")
-
-            stripped = line.strip()
-            if ":" not in stripped:
-                raise ValueError(f"invalid yaml key line: {raw_line.strip()}")
-
-            key, value = stripped.split(":", 1)
-            parsed[current_section][key.strip()] = parse_simple_yaml_scalar(value.strip())
-
-    return parsed
-
-
-def load_omnisocket_config() -> dict[str, Any]:
-    config: dict[str, Any] = {}
-    if OMNISOCKET_CONFIG_PATH.exists():
-        try:
-            try:
-                import yaml  # type: ignore
-
-                with OMNISOCKET_CONFIG_PATH.open("r", encoding="utf-8") as file:
-                    config = yaml.safe_load(file) or {}
-            except ImportError:
-                config = load_simple_yaml_config(OMNISOCKET_CONFIG_PATH)
-        except Exception:
-            config = {}
-
-    transport_cfg = dict(config.get("transport", {}))
-    video_receiver_cfg = dict(config.get("video_receiver", {}))
-    control_sender_cfg = dict(config.get("control_sender", {}))
-    control_ack_receiver_cfg = dict(config.get("control_ack_receiver", {}))
-    control_ingress_cfg = dict(config.get("control_ingress", {}))
-    video_sender_cfg = dict(config.get("video_sender", {}))
-    telemetry_receiver_cfg = dict(config.get("telemetry_receiver", {}))
-
-    transport_cfg["server_addr"] = os.getenv(
-        "OMNISOCKET_SERVER_ADDR",
-        str(transport_cfg.get("server_addr", "127.0.0.1:10909")),
-    )
-    transport_cfg["relay_via"] = os.getenv(
-        "OMNISOCKET_RELAY_VIA",
-        str(transport_cfg.get("relay_via", "")),
-    )
-    transport_cfg["bind_ip"] = os.getenv(
-        "OMNISOCKET_BIND_IP",
-        str(transport_cfg.get("bind_ip", "")),
-    )
-    transport_cfg["bind_device"] = os.getenv(
-        "OMNISOCKET_BIND_DEVICE",
-        str(transport_cfg.get("bind_device", "")),
-    )
-
-    video_receiver_cfg["peer_id"] = os.getenv(
-        "OMNISOCKET_VIDEO_PEER_ID",
-        str(video_receiver_cfg.get("peer_id", "peer-a-video")),
-    )
-    video_receiver_cfg["buffer_bytes"] = int(
-        os.getenv(
-            "OMNISOCKET_BUFFER_BYTES",
-            str(video_receiver_cfg.get("buffer_bytes", 1024 * 1024)),
-        )
-    )
-
-    control_sender_cfg["peer_id"] = os.getenv(
-        "OMNISOCKET_CONTROL_PEER_ID",
-        str(control_sender_cfg.get("peer_id", "peer-a-ctrl")),
-    )
-    control_sender_cfg["target_peer"] = os.getenv(
-        "OMNISOCKET_CONTROL_TARGET_PEER",
-        str(control_sender_cfg.get("target_peer", "peer-b-ctrl")),
-    )
-
-    control_ack_receiver_cfg["peer_id"] = os.getenv(
-        "OMNISOCKET_CONTROL_ACK_RECEIVER_PEER_ID",
-        str(control_ack_receiver_cfg.get("peer_id", "peer-a-ctrl-ack")),
-    )
-    control_ack_receiver_cfg["expected_sender"] = os.getenv(
-        "OMNISOCKET_CONTROL_ACK_EXPECTED_SENDER",
-        str(control_ack_receiver_cfg.get("expected_sender", "peer-b-ctrl-ack")),
-    )
-
-    video_sender_cfg["peer_id"] = os.getenv(
-        "OMNISOCKET_VIDEO_SENDER_PEER_ID",
-        str(video_sender_cfg.get("peer_id", "peer-b-video")),
-    )
-    video_sender_cfg["target_peer"] = os.getenv(
-        "OMNISOCKET_VIDEO_TARGET_PEER_ID",
-        str(video_sender_cfg.get("target_peer", "peer-a-video")),
-    )
-
-    control_ingress_cfg["native_udp_bind"] = os.getenv(
-        "OMNISOCKET_CONTROL_NATIVE_UDP_BIND",
-        str(control_ingress_cfg.get("native_udp_bind", "127.0.0.1:10921")),
-    )
-    control_ingress_cfg["source_lease_ms"] = int(
-        os.getenv(
-            "OMNISOCKET_CONTROL_SOURCE_LEASE_MS",
-            str(control_ingress_cfg.get("source_lease_ms", 300)),
-        )
-    )
-    control_ingress_cfg["send_rate_hz"] = float(
-        os.getenv(
-            "OMNISOCKET_CONTROL_SEND_RATE_HZ",
-            str(control_ingress_cfg.get("send_rate_hz", 20.0)),
-        )
-    )
-    control_ingress_cfg["zero_burst_packets"] = int(
-        os.getenv(
-            "OMNISOCKET_CONTROL_ZERO_BURST_PACKETS",
-            str(control_ingress_cfg.get("zero_burst_packets", 3)),
-        )
-    )
-
-    telemetry_receiver_cfg["peer_id"] = os.getenv(
-        "OMNISOCKET_TELEMETRY_PEER_ID",
-        str(telemetry_receiver_cfg.get("peer_id", "peer-a-telemetry")),
-    )
-    telemetry_receiver_cfg["interval_ms"] = int(
-        os.getenv(
-            "OMNISOCKET_TELEMETRY_INTERVAL_MS",
-            str(telemetry_receiver_cfg.get("interval_ms", 500)),
-        )
-    )
-    telemetry_receiver_cfg["stale_after_ms"] = int(
-        os.getenv(
-            "OMNISOCKET_TELEMETRY_STALE_AFTER_MS",
-            str(telemetry_receiver_cfg.get("stale_after_ms", telemetry_receiver_cfg["interval_ms"] * 3)),
-        )
-    )
-
-    return {
-        "transport": transport_cfg,
-        "video_receiver": video_receiver_cfg,
-        "control_sender": control_sender_cfg,
-        "control_ack_receiver": control_ack_receiver_cfg,
-        "control_ingress": control_ingress_cfg,
-        "video_sender": video_sender_cfg,
-        "telemetry_receiver": telemetry_receiver_cfg,
-    }
-
-
-class JsonlRunLogger:
-    def __init__(self, stem_env: str, default_stem: str) -> None:
-        explicit_path = os.getenv(stem_env, "").strip()
-        self._path = Path(explicit_path) if explicit_path else (
-            BLITZ_RUN_DIR / f"{default_stem}.{BLITZ_INSTANCE_ID}.jsonl" if BLITZ_RUN_DIR is not None else None
-        )
-        self._lock = threading.Lock()
-        self._file = None
-        self._buffered_bytes = 0
-        self._current_bytes = 0
-        self._flush_bytes = self._positive_int_env("BLITZ_JSONL_FLUSH_BYTES", 262144)
-        self._flush_interval_ms = self._positive_int_env("BLITZ_JSONL_FLUSH_INTERVAL_MS", 1000)
-        self._max_bytes = self._positive_int_env("BLITZ_JSONL_ROTATE_BYTES", 134217728)
-        self._max_files = self._positive_int_env("BLITZ_JSONL_ROTATE_FILES", 8)
-        self._last_flush_monotonic_ms = self._now_ms()
-
-        if self._path is not None:
-            try:
-                self._path.parent.mkdir(parents=True, exist_ok=True)
-                self._file = self._path.open("a", encoding="utf-8")
-                self._current_bytes = self._path.stat().st_size if self._path.exists() else 0
-            except OSError:
-                self._file = None
-
-    @property
-    def path(self) -> str | None:
-        return str(self._path) if self._path is not None else None
-
-    @property
-    def enabled(self) -> bool:
-        return self._file is not None
-
-    def write(self, payload: dict[str, Any]) -> None:
-        if self._file is None:
-            return
-        line = json.dumps(payload, ensure_ascii=False, separators=(",", ":"))
-        line_bytes = len(line.encode("utf-8")) + 1
-        with self._lock:
-            if self._file is None:
-                return
-            try:
-                self._file.write(line)
-                self._file.write("\n")
-                self._buffered_bytes += line_bytes
-                self._current_bytes += line_bytes
-                now_ms = self._now_ms()
-                if (
-                    self._buffered_bytes >= self._flush_bytes
-                    or (self._flush_interval_ms > 0 and now_ms - self._last_flush_monotonic_ms >= self._flush_interval_ms)
-                ):
-                    self._flush_locked(now_ms)
-                if self._max_bytes > 0 and self._max_files > 0 and self._current_bytes >= self._max_bytes:
-                    self._rotate_locked()
-            except OSError:
-                if self._file is not None:
-                    try:
-                        self._file.close()
-                    except OSError:
-                        pass
-                    self._file = None
-
-    def close(self) -> None:
-        with self._lock:
-            if self._file is not None:
-                try:
-                    self._flush_locked(self._now_ms())
-                except OSError:
-                    pass
-                self._file.close()
-                self._file = None
-
-    def _flush_locked(self, now_ms: int) -> None:
-        if self._file is None:
-            return
-        self._file.flush()
-        self._buffered_bytes = 0
-        self._last_flush_monotonic_ms = now_ms
-
-    def _rotate_locked(self) -> None:
-        if self._path is None or self._file is None or self._max_files <= 0:
-            return
-        self._flush_locked(self._now_ms())
-        self._file.close()
-        self._file = None
-
-        oldest = self._path.with_name(f"{self._path.name}.{self._max_files}")
-        if oldest.exists():
-            oldest.unlink()
-
-        for index in range(self._max_files - 1, 0, -1):
-            src = self._path.with_name(f"{self._path.name}.{index}")
-            if src.exists():
-                dst = self._path.with_name(f"{self._path.name}.{index + 1}")
-                src.replace(dst)
-
-        if self._path.exists():
-            rotated = self._path.with_name(f"{self._path.name}.1")
-            self._path.replace(rotated)
-
-        self._file = self._path.open("a", encoding="utf-8")
-        self._buffered_bytes = 0
-        self._current_bytes = self._path.stat().st_size if self._path.exists() else 0
-        self._last_flush_monotonic_ms = self._now_ms()
-
-    @staticmethod
-    def _now_ms() -> int:
-        return int(time.monotonic() * 1000)
-
-    @staticmethod
-    def _positive_int_env(name: str, default: int) -> int:
-        raw = os.getenv(name, "").strip()
-        try:
-            value = int(raw)
-        except ValueError:
-            return default
-        return value if value > 0 else default
-
-
-def parse_host_port(bind_addr: str) -> tuple[str, int]:
-    host, port_text = bind_addr.rsplit(":", 1)
-    host = host.strip() or "127.0.0.1"
-    port = int(port_text)
-    if port <= 0 or port > 65535:
-        raise ValueError(f"invalid port in bind address: {bind_addr}")
-    return host, port

backend/monitoring/consumers.py

@@ -1,42 +0,0 @@
-from __future__ import annotations
-
-import json
-
-from channels.generic.websocket import WebsocketConsumer
-
-from .common import CONTROL_PACKET_SIZE, CONTROL_SOURCE_WEB
-from .services import control_arbiter, native_control_ingress
-
-
-class ControlConsumer(WebsocketConsumer):
-    def connect(self) -> None:
-        control_arbiter.ensure_started()
-        native_control_ingress.ensure_started()
-        self.accept()
-        self.send(
-            text_data=json.dumps(
-                {
-                    "type": "ready",
-                    "packet_bytes": CONTROL_PACKET_SIZE,
-                }
-            )
-        )
-
-    def receive(self, text_data: str | None = None, bytes_data: bytes | None = None) -> None:
-        if bytes_data is None:
-            self.send(text_data=json.dumps({"type": "error", "detail": "binary control payload required"}))
-            return
-
-        if len(bytes_data) != CONTROL_PACKET_SIZE:
-            self.send(
-                text_data=json.dumps(
-                    {
-                        "type": "error",
-                        "detail": f"expected {CONTROL_PACKET_SIZE} bytes, got {len(bytes_data)}",
-                    }
-                )
-            )
-            return
-
-        control_arbiter.ingest_command(CONTROL_SOURCE_WEB, bytes_data)
-

backend/monitoring/control.py

@@ -1,856 +0,0 @@
-from __future__ import annotations
-
-import json
-import socket
-import sys
-import threading
-import time
-from typing import Any
-
-from .common import (
-    CONTROL_PACKET_SIZE,
-    CONTROL_SOURCE_NATIVE_UDP,
-    CONTROL_SOURCE_PRIORITY,
-    JsonlRunLogger,
-    ZERO_CONTROL_PAYLOAD,
-    WORKSPACE_ROOT,
-    load_omnisocket_config,
-    parse_host_port,
-)
-from .video import safe_kcp_stats
-
-
-def _payload_preview(payload: bytes, limit: int = 160) -> str:
-    if not payload:
-        return ""
-    preview = payload[:limit].decode("utf-8", errors="replace")
-    if len(payload) > limit:
-        return f"{preview}..."
-    return preview
-
-
-class ControlAckTracker:
-    def __init__(self) -> None:
-        self._lock = threading.Lock()
-        self._event_logger = JsonlRunLogger("BLITZ_A_CONTROL_EVENTS_LOG_PATH", "a-control-events")
-        self._ack_logger = JsonlRunLogger("BLITZ_A_CONTROL_ACKS_LOG_PATH", "a-control-acks")
-        self._pending: dict[int, dict[str, Any]] = {}
-        self._latest_estimate: dict[str, Any] = {
-            "ack_available": False,
-            "updated_at": None,
-            "received_mono_ns": 0,
-            "control_loop_rtt_ms": None,
-            "b_recv_to_persist_ms": None,
-            "control_oneway_network_est_ms": None,
-            "control_to_persist_est_ms": None,
-            "sample_reason": None,
-        }
-
-    def register_send(
-        self,
-        *,
-        message_id: int,
-        issued_at_unix_ns: int,
-        issued_at_mono_ns: int,
-        source: str,
-        payload: bytes,
-        send_call_latency_us: int,
-    ) -> None:
-        event = {
-            "ts_unix_nano": issued_at_unix_ns,
-            "message_id": message_id,
-            "issued_at_unix_ns": issued_at_unix_ns,
-            "issued_at_mono_ns": issued_at_mono_ns,
-            "source": source,
-            "command_signature": payload.hex(),
-            "payload_size": len(payload),
-            "send_call_latency_us": send_call_latency_us,
-        }
-        with self._lock:
-            self._pending[message_id] = event
-            self._prune_locked(issued_at_mono_ns)
-        self._event_logger.write(event)
-
-    def handle_ack(self, ack_payload: dict[str, Any], received_unix_ns: int, received_mono_ns: int) -> str:
-        try:
-            message_id = int(ack_payload["message_id"])
-        except (KeyError, TypeError, ValueError):
-            return "invalid_message_id"
-
-        with self._lock:
-            event = self._pending.pop(message_id, None)
-            self._prune_locked(received_mono_ns)
-
-        if event is None:
-            return "pending_missing"
-
-        try:
-            control_loop_rtt_ms = round((received_unix_ns - int(event["issued_at_unix_ns"])) / 1_000_000.0, 3)
-            b_recv_to_persist_ms = round(float(ack_payload.get("b_recv_to_persist_us", 0)) / 1000.0, 3)
-        except (TypeError, ValueError):
-            return "invalid_timing"
-
-        control_oneway_network_est_ms = round(max(0.0, (control_loop_rtt_ms - b_recv_to_persist_ms) / 2.0), 3)
-        control_to_persist_est_ms = round(control_oneway_network_est_ms + b_recv_to_persist_ms, 3)
-        ack_record = {
-            "ts_unix_nano": received_unix_ns,
-            "received_unix_ns": received_unix_ns,
-            "received_mono_ns": received_mono_ns,
-            "message_id": message_id,
-            "ack_phase": str(ack_payload.get("ack_phase") or "persist_end"),
-            "sample_reason": str(ack_payload.get("sample_reason") or ""),
-            "b_recv_to_persist_us": ack_payload.get("b_recv_to_persist_us"),
-            "unix_send_ok": bool(ack_payload.get("unix_send_ok", False)),
-            "issued_at_unix_ns": event["issued_at_unix_ns"],
-            "source": event["source"],
-            "control_loop_rtt_ms": control_loop_rtt_ms,
-            "b_recv_to_persist_ms": b_recv_to_persist_ms,
-            "control_oneway_network_est_ms": control_oneway_network_est_ms,
-            "control_to_persist_est_ms": control_to_persist_est_ms,
-        }
-        self._ack_logger.write(ack_record)
-        with self._lock:
-            self._latest_estimate = {
-                "ack_available": True,
-                "updated_at": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime(received_unix_ns / 1_000_000_000)),
-                "received_mono_ns": received_mono_ns,
-                "control_loop_rtt_ms": control_loop_rtt_ms,
-                "b_recv_to_persist_ms": b_recv_to_persist_ms,
-                "control_oneway_network_est_ms": control_oneway_network_est_ms,
-                "control_to_persist_est_ms": control_to_persist_est_ms,
-                "sample_reason": ack_record["sample_reason"],
-            }
-        return "accepted"
-
-    def get_latest_estimate(self) -> dict[str, Any]:
-        with self._lock:
-            estimate = dict(self._latest_estimate)
-        if int(estimate.get("received_mono_ns", 0) or 0) > 0 and time.monotonic_ns() - int(estimate["received_mono_ns"]) > 10_000_000_000:
-            estimate["ack_available"] = False
-            estimate["control_loop_rtt_ms"] = None
-            estimate["b_recv_to_persist_ms"] = None
-            estimate["control_oneway_network_est_ms"] = None
-            estimate["control_to_persist_est_ms"] = None
-            estimate["sample_reason"] = None
-        estimate.pop("received_mono_ns", None)
-        return estimate
-
-    def close(self) -> None:
-        self._event_logger.close()
-        self._ack_logger.close()
-
-    def _prune_locked(self, now_mono_ns: int) -> None:
-        stale_ids = [
-            message_id
-            for message_id, event in self._pending.items()
-            if now_mono_ns - int(event.get("issued_at_mono_ns", 0)) > 60_000_000_000
-        ]
-        for message_id in stale_ids:
-            self._pending.pop(message_id, None)
-
-
-class OmniSocketControlSender:
-    def __init__(self, ack_tracker: ControlAckTracker) -> None:
-        self._lock = threading.Lock()
-        self._ack_tracker = ack_tracker
-        self._session = None
-        self._session_cls = None
-        self._msg_type_error = None
-        self._control_defaults: dict[str, Any] = {}
-        self._started = False
-        self._drain_thread: threading.Thread | None = None
-        self._closing = threading.Event()
-        self._target_peer = ""
-        self._send_count = 0
-        self._send_errors = 0
-        self._drain_errors = 0
-        self._last_error = ""
-        self._reconnect_count = 0
-        self._ever_connected = False
-        self._registered = False
-        self._supports_send_with_id = False
-        self._load_backend()
-
-    def _load_backend(self) -> None:
-        try:
-            self._import_backend()
-        except Exception as error:  # pragma: no cover - optional runtime dependency
-            self._last_error = f"omnisocket import failed: {error}"
-
-    def _import_backend(self) -> None:
-        try:
-            from omnisocket import CONTROL_DEFAULTS, MSG_TYPE_ERROR, Session  # type: ignore
-        except ImportError:
-            python_dir = WORKSPACE_ROOT / "OmniSocketGo" / "python"
-            if python_dir.exists():
-                sys.path.insert(0, str(python_dir))
-            from omnisocket import CONTROL_DEFAULTS, MSG_TYPE_ERROR, Session  # type: ignore
-
-        self._session_cls = Session
-        self._msg_type_error = MSG_TYPE_ERROR
-        self._control_defaults = dict(CONTROL_DEFAULTS)
-
-    def _connect_session(self):
-        assert self._session_cls is not None
-
-        config = load_omnisocket_config()
-        transport_cfg = config.get("transport", {})
-        control_cfg = config.get("control_sender", {})
-
-        session = self._session_cls()
-        session.connect(
-            server_addr=str(transport_cfg.get("server_addr", "127.0.0.1:10909")),
-            peer_id=str(control_cfg.get("peer_id", "peer-a-ctrl")),
-            relay_via=str(transport_cfg.get("relay_via", "")),
-            bind_ip=str(transport_cfg.get("bind_ip", "")),
-            bind_device=str(transport_cfg.get("bind_device", "")),
-            **self._control_defaults,
-        )
-        target_peer = str(control_cfg.get("target_peer", "peer-b-ctrl"))
-        return session, target_peer
-
-    def ensure_started(self) -> None:
-        if self._session_cls is None:
-            return
-
-        with self._lock:
-            if self._closing.is_set():
-                return
-            if self._started and self._session is not None:
-                return
-            session, target_peer = self._connect_session()
-            self._session = session
-            self._target_peer = target_peer
-            self._closing.clear()
-            self._started = True
-            self._last_error = ""
-            self._registered = bool(dict(session.stats()).get("registered", 0))
-            self._supports_send_with_id = hasattr(session, "send_with_id")
-            if self._ever_connected:
-                self._reconnect_count += 1
-            else:
-                self._ever_connected = True
-            self._drain_thread = threading.Thread(
-                target=self._drain_loop,
-                name="omnisocket-control-drain",
-                daemon=True,
-            )
-            self._drain_thread.start()
-
-    def _reset_session(self, session: Any | None) -> None:
-        with self._lock:
-            if session is not None and session is not self._session:
-                return
-            current = self._session
-            self._session = None
-            self._started = False
-            self._registered = False
-            self._supports_send_with_id = False
-        if current is not None:
-            try:
-                current.close()
-            except Exception:
-                pass
-
-    def send_payload(self, payload: bytes, *, source: str) -> None:
-        if len(payload) != CONTROL_PACKET_SIZE:
-            raise ValueError(f"expected {CONTROL_PACKET_SIZE} bytes, got {len(payload)}")
-        self.ensure_started()
-        with self._lock:
-            session = self._session
-            target_peer = self._target_peer
-            supports_send_with_id = self._supports_send_with_id
-
-        if session is None:
-            raise RuntimeError("control session is not available")
-
-        try:
-            issued_at_unix_ns = time.time_ns()
-            issued_at_mono_ns = time.monotonic_ns()
-            send_started_ns = time.perf_counter_ns()
-            message_id: int | None = None
-            if supports_send_with_id:
-                message_id = int(session.send_with_id(to=target_peer, data=payload))
-            else:
-                session.send(to=target_peer, data=payload)
-            send_call_latency_us = max(0, int((time.perf_counter_ns() - send_started_ns) / 1000))
-        except Exception as error:
-            with self._lock:
-                self._send_errors += 1
-                self._last_error = str(error)
-            self._reset_session(session)
-            raise
-
-        if message_id is not None:
-            self._ack_tracker.register_send(
-                message_id=message_id,
-                issued_at_unix_ns=issued_at_unix_ns,
-                issued_at_mono_ns=issued_at_mono_ns,
-                source=source,
-                payload=payload,
-                send_call_latency_us=send_call_latency_us,
-            )
-        with self._lock:
-            self._send_count += 1
-
-    def send_zero_burst(self, count: int) -> None:
-        for _ in range(max(0, count)):
-            try:
-                self.send_payload(ZERO_CONTROL_PAYLOAD, source="zero_burst")
-            except Exception:
-                return
-
-    def _drain_loop(self) -> None:
-        while not self._closing.is_set():
-            with self._lock:
-                session = self._session
-            if session is None:
-                return
-
-            try:
-                result = session.recv(timeout_ms=100)
-            except Exception as error:
-                last_server_error = ""
-                try:
-                    last_server_error = str(dict(session.stats()).get("last_server_error", "") or "")
-                except Exception:
-                    last_server_error = ""
-                with self._lock:
-                    self._drain_errors += 1
-                    self._registered = False
-                    self._last_error = last_server_error or str(error)
-                if not self._closing.is_set():
-                    self._reset_session(session)
-                return
-
-            if result is None:
-                try:
-                    stats = dict(session.stats())
-                except Exception:
-                    stats = {}
-                with self._lock:
-                    self._registered = bool(stats.get("registered", 0))
-                    if stats.get("last_server_error"):
-                        self._last_error = str(stats.get("last_server_error"))
-                continue
-
-            from_peer, msg_type, payload = result
-            if msg_type == self._msg_type_error:
-                text = payload.decode("utf-8", errors="replace")
-                try:
-                    stats = dict(session.stats())
-                except Exception:
-                    stats = {}
-                with self._lock:
-                    self._last_error = f"server error from {from_peer}: {text}"
-                    self._registered = bool(stats.get("registered", 0))
-
-    def session_stats(self) -> dict[str, Any]:
-        with self._lock:
-            session = self._session
-        if session is None:
-            return {"connected": 0, "registered": 0, "last_server_error": self._last_error}
-        try:
-            return dict(session.stats())
-        except Exception:
-            return {"connected": 0, "registered": 0, "last_server_error": self._last_error}
-
-    def session_kcp_stats(self) -> dict[str, Any]:
-        with self._lock:
-            session = self._session
-        return safe_kcp_stats(session)
-
-    def get_status(self) -> dict[str, Any]:
-        config = load_omnisocket_config()
-        control_cfg = config.get("control_sender", {})
-        session_stats = self.session_stats()
-        with self._lock:
-            return {
-                "backend_ready": self._session_cls is not None,
-                "started": self._started,
-                "connected": self._session is not None,
-                "registered": bool(session_stats.get("registered", 0)),
-                "peer_id": str(control_cfg.get("peer_id", "")),
-                "target_peer": str(control_cfg.get("target_peer", "")),
-                "send_count": self._send_count,
-                "send_errors": self._send_errors,
-                "drain_errors": self._drain_errors,
-                "reconnect_count": self._reconnect_count,
-                "last_server_error": str(session_stats.get("last_server_error", "") or ""),
-                "last_error": self._last_error,
-            }
-
-    def close(self) -> None:
-        self._closing.set()
-        self.send_zero_burst(1)
-        self._reset_session(None)
-        drain_thread = self._drain_thread
-        if drain_thread is not None and drain_thread.is_alive():
-            drain_thread.join(timeout=0.5)
-
-
-class OmniSocketControlAckReceiver:
-    def __init__(self, ack_tracker: ControlAckTracker) -> None:
-        self._ack_tracker = ack_tracker
-        self._lock = threading.Lock()
-        self._thread: threading.Thread | None = None
-        self._started = False
-        self._session = None
-        self._session_cls = None
-        self._msg_type_text = None
-        self._msg_type_error = None
-        self._control_defaults: dict[str, Any] = {}
-        self._closing = threading.Event()
-        self._last_error = ""
-        self._last_server_error = ""
-        self._registered = False
-        self._reconnect_count = 0
-        self._ever_connected = False
-        self._received_messages = 0
-        self._received_bytes = 0
-        self._accepted_count = 0
-        self._pending_missing_count = 0
-        self._invalid_message_id_count = 0
-        self._invalid_timing_count = 0
-        self._unexpected_message_type_count = 0
-        self._unexpected_sender_count = 0
-        self._sender_mismatch_accepted_count = 0
-        self._payload_decode_errors = 0
-        self._last_msg_type: int | None = None
-        self._last_from_peer = ""
-        self._last_payload_preview = ""
-        self._last_ack_result = ""
-        self._load_backend()
-
-    def _load_backend(self) -> None:
-        try:
-            self._import_backend()
-        except Exception as error:  # pragma: no cover
-            self._last_error = f"omnisocket import failed: {error}"
-
-    def _import_backend(self) -> None:
-        try:
-            from omnisocket import CONTROL_DEFAULTS, MSG_TYPE_ERROR, MSG_TYPE_TEXT, Session  # type: ignore
-        except ImportError:
-            python_dir = WORKSPACE_ROOT / "OmniSocketGo" / "python"
-            if python_dir.exists():
-                sys.path.insert(0, str(python_dir))
-            from omnisocket import CONTROL_DEFAULTS, MSG_TYPE_ERROR, MSG_TYPE_TEXT, Session  # type: ignore
-
-        self._session_cls = Session
-        self._msg_type_text = MSG_TYPE_TEXT
-        self._msg_type_error = MSG_TYPE_ERROR
-        self._control_defaults = dict(CONTROL_DEFAULTS)
-
-    def _connect_session(self):
-        assert self._session_cls is not None
-
-        config = load_omnisocket_config()
-        transport_cfg = config.get("transport", {})
-        ack_cfg = config.get("control_ack_receiver", {})
-
-        session = self._session_cls()
-        session.connect(
-            server_addr=str(transport_cfg.get("server_addr", "127.0.0.1:10909")),
-            peer_id=str(ack_cfg.get("peer_id", "peer-a-ctrl-ack")),
-            relay_via=str(transport_cfg.get("relay_via", "")),
-            bind_ip=str(transport_cfg.get("bind_ip", "")),
-            bind_device=str(transport_cfg.get("bind_device", "")),
-            **self._control_defaults,
-        )
-        return session, str(ack_cfg.get("expected_sender", "peer-b-ctrl-ack"))
-
-    def ensure_started(self) -> None:
-        if self._session_cls is None:
-            return
-        with self._lock:
-            if self._started or self._closing.is_set():
-                return
-            self._started = True
-            self._thread = threading.Thread(target=self._run, name="omnisocket-control-ack", daemon=True)
-            self._thread.start()
-
-    @staticmethod
-    def _looks_like_control_ack(ack_payload: Any) -> bool:
-        if not isinstance(ack_payload, dict):
-            return False
-        if "message_id" not in ack_payload:
-            return False
-        return any(field in ack_payload for field in ("ack_phase", "b_recv_to_persist_us", "unix_send_ok", "sample_reason"))
-
-    @staticmethod
-    def _sender_matches(expected_sender: str, from_peer: str) -> bool:
-        normalized_expected = expected_sender.strip()
-        normalized_from = from_peer.strip()
-        if not normalized_expected:
-            return True
-        return normalized_from == normalized_expected
-
-    def _run(self) -> None:
-        while not self._closing.is_set():
-            expected_sender = ""
-            try:
-                session, expected_sender = self._connect_session()
-                with self._lock:
-                    self._session = session
-                    self._last_error = ""
-                    if self._ever_connected:
-                        self._reconnect_count += 1
-                    else:
-                        self._ever_connected = True
-
-                while not self._closing.is_set():
-                    result = session.recv(timeout_ms=1000)
-                    if result is None:
-                        try:
-                            session_stats = dict(session.stats())
-                        except Exception:
-                            session_stats = {}
-                        with self._lock:
-                            self._registered = bool(session_stats.get("registered", 0))
-                            self._last_server_error = str(session_stats.get("last_server_error", "") or "")
-                        continue
-                    from_peer, msg_type, payload = result
-                    with self._lock:
-                        self._received_messages += 1
-                        self._received_bytes += len(payload)
-                        self._last_from_peer = str(from_peer or "")
-                        self._last_msg_type = int(msg_type)
-                        self._last_payload_preview = _payload_preview(payload)
-                        try:
-                            session_stats = dict(session.stats())
-                        except Exception:
-                            session_stats = {}
-                        self._registered = bool(session_stats.get("registered", 0))
-                        self._last_server_error = str(session_stats.get("last_server_error", "") or "")
-                    if msg_type == self._msg_type_error:
-                        with self._lock:
-                            self._last_error = f"ack session error from {from_peer}: {payload.decode('utf-8', errors='replace')}"
-                            self._last_ack_result = "server_error"
-                        continue
-                    if msg_type != self._msg_type_text:
-                        with self._lock:
-                            self._unexpected_message_type_count += 1
-                            self._last_ack_result = "unexpected_message_type"
-                        continue
-                    try:
-                        ack_payload = json.loads(payload.decode("utf-8"))
-                    except (UnicodeDecodeError, json.JSONDecodeError):
-                        with self._lock:
-                            self._payload_decode_errors += 1
-                            self._last_ack_result = "payload_decode_error"
-                        continue
-                    sender_matches = self._sender_matches(expected_sender, from_peer)
-                    if not sender_matches:
-                        with self._lock:
-                            self._unexpected_sender_count += 1
-                        if not self._looks_like_control_ack(ack_payload):
-                            with self._lock:
-                                self._last_ack_result = "unexpected_sender"
-                            continue
-                    ack_result = self._ack_tracker.handle_ack(ack_payload, time.time_ns(), time.monotonic_ns())
-                    with self._lock:
-                        self._last_ack_result = ack_result
-                        if ack_result == "accepted":
-                            self._accepted_count += 1
-                            if not sender_matches:
-                                self._sender_mismatch_accepted_count += 1
-                        elif ack_result == "pending_missing":
-                            self._pending_missing_count += 1
-                        elif ack_result == "invalid_message_id":
-                            self._invalid_message_id_count += 1
-                        elif ack_result == "invalid_timing":
-                            self._invalid_timing_count += 1
-            except Exception as error:  # pragma: no cover
-                if not self._closing.is_set():
-                    with self._lock:
-                        self._last_error = str(error)
-                    time.sleep(2)
-            finally:
-                if self._session is not None:
-                    try:
-                        self._session.close()
-                    except Exception:
-                        pass
-                with self._lock:
-                    self._session = None
-                    if self._closing.is_set():
-                        self._started = False
-
-    def get_status(self) -> dict[str, Any]:
-        config = load_omnisocket_config().get("control_ack_receiver", {})
-        with self._lock:
-            session = self._session
-        if session is not None:
-            try:
-                session_stats = dict(session.stats())
-            except Exception:
-                session_stats = {}
-        else:
-            session_stats = {}
-        with self._lock:
-            return {
-                "backend_ready": self._session_cls is not None,
-                "started": self._started,
-                "connected": self._session is not None,
-                "registered": bool(session_stats.get("registered", 0) or self._registered),
-                "peer_id": str(config.get("peer_id", "")),
-                "expected_sender": str(config.get("expected_sender", "")),
-                "recv_calls": int(session_stats.get("recv_calls", 0)),
-                "recv_bytes": int(session_stats.get("recv_bytes", 0)),
-                "recv_timeouts": int(session_stats.get("recv_timeouts", 0)),
-                "recv_errors": int(session_stats.get("recv_errors", 0)),
-                "received_messages": self._received_messages,
-                "received_bytes": self._received_bytes,
-                "accepted_count": self._accepted_count,
-                "pending_missing_count": self._pending_missing_count,
-                "invalid_message_id_count": self._invalid_message_id_count,
-                "invalid_timing_count": self._invalid_timing_count,
-                "unexpected_message_type_count": self._unexpected_message_type_count,
-                "unexpected_sender_count": self._unexpected_sender_count,
-                "sender_mismatch_accepted_count": self._sender_mismatch_accepted_count,
-                "payload_decode_errors": self._payload_decode_errors,
-                "last_msg_type": self._last_msg_type,
-                "last_from_peer": self._last_from_peer,
-                "last_payload_preview": self._last_payload_preview,
-                "last_ack_result": self._last_ack_result,
-                "reconnect_count": self._reconnect_count,
-                "last_server_error": str(session_stats.get("last_server_error", "") or self._last_server_error),
-                "last_error": self._last_error,
-            }
-
-    def close(self) -> None:
-        self._closing.set()
-        with self._lock:
-            session = self._session
-        if session is not None:
-            try:
-                session.close()
-            except Exception:
-                pass
-        thread = self._thread
-        if thread is not None and thread.is_alive():
-            thread.join(timeout=0.5)
-
-
-class ControlArbiter:
-    def __init__(self, sender: OmniSocketControlSender) -> None:
-        self._sender = sender
-        self._lock = threading.Lock()
-        self._thread: threading.Thread | None = None
-        self._closing = threading.Event()
-        self._started = False
-        self._source_lease_ms = 300
-        self._send_rate_hz = 20.0
-        self._zero_burst_packets = 3
-        self._latest_by_source: dict[str, tuple[bytes, float]] = {}
-        self._packet_counts = {source: 0 for source in CONTROL_SOURCE_PRIORITY}
-        self._last_payload = ZERO_CONTROL_PAYLOAD
-        self._last_sent_at = 0.0
-        self._active_source: str | None = None
-        self._last_error = ""
-
-    def _load_config(self) -> None:
-        cfg = load_omnisocket_config().get("control_ingress", {})
-        self._source_lease_ms = max(50, int(cfg.get("source_lease_ms", 300)))
-        self._send_rate_hz = max(1.0, float(cfg.get("send_rate_hz", 20.0)))
-        self._zero_burst_packets = max(1, int(cfg.get("zero_burst_packets", 3)))
-
-    def ensure_started(self) -> None:
-        self._load_config()
-        with self._lock:
-            if self._closing.is_set():
-                return
-            if self._started:
-                return
-            self._started = True
-            self._thread = threading.Thread(
-                target=self._send_loop,
-                name="control-arbiter",
-                daemon=True,
-            )
-            self._thread.start()
-
-    def ingest_command(self, source: str, payload: bytes) -> None:
-        if source not in CONTROL_SOURCE_PRIORITY:
-            raise ValueError(f"unsupported control source: {source}")
-        if len(payload) != CONTROL_PACKET_SIZE:
-            raise ValueError(f"expected {CONTROL_PACKET_SIZE} bytes, got {len(payload)}")
-
-        self.ensure_started()
-        now = time.monotonic()
-        with self._lock:
-            self._latest_by_source[source] = (payload, now)
-            self._packet_counts[source] += 1
-
-    def _resolve_active_locked(self, now: float) -> tuple[str | None, bytes, int]:
-        lease_seconds = self._source_lease_ms / 1000.0
-        expired_sources = [
-            source
-            for source, (_, updated_at) in self._latest_by_source.items()
-            if (now - updated_at) > lease_seconds
-        ]
-        for source in expired_sources:
-            self._latest_by_source.pop(source, None)
-
-        for source in CONTROL_SOURCE_PRIORITY:
-            entry = self._latest_by_source.get(source)
-            if entry is None:
-                continue
-            payload, updated_at = entry
-            remaining_ms = max(0, int((lease_seconds - (now - updated_at)) * 1000))
-            return source, payload, remaining_ms
-
-        return None, ZERO_CONTROL_PAYLOAD, 0
-
-    def _send_loop(self) -> None:
-        interval = 1.0 / max(self._send_rate_hz, 1.0)
-        previous_active: str | None = None
-
-        while not self._closing.is_set():
-            now = time.monotonic()
-            with self._lock:
-                active_source, payload, _lease_ms = self._resolve_active_locked(now)
-                self._active_source = active_source
-                self._last_payload = payload
-
-            if previous_active is not None and active_source is None:
-                try:
-                    self._sender.send_zero_burst(self._zero_burst_packets)
-                except Exception as error:
-                    with self._lock:
-                        self._last_error = str(error)
-            elif active_source is not None:
-                try:
-                    self._sender.send_payload(payload, source=active_source)
-                    with self._lock:
-                        self._last_sent_at = time.monotonic()
-                        self._last_error = ""
-                except Exception as error:
-                    with self._lock:
-                        self._last_error = str(error)
-
-            previous_active = active_source
-            self._closing.wait(interval)
-
-        try:
-            self._sender.send_zero_burst(self._zero_burst_packets)
-        except Exception:
-            pass
-
-    def get_status(self) -> dict[str, Any]:
-        self.ensure_started()
-        now = time.monotonic()
-        with self._lock:
-            active_source, _payload, lease_ms = self._resolve_active_locked(now)
-            return {
-                "active_source": active_source,
-                "control_lease_remaining_ms": lease_ms,
-                "packet_counts": dict(self._packet_counts),
-                "send_rate_hz": self._send_rate_hz,
-                "source_lease_ms": self._source_lease_ms,
-                "zero_burst_packets": self._zero_burst_packets,
-                "last_error": self._last_error,
-                "last_sent_at_monotonic": self._last_sent_at,
-            }
-
-    def close(self) -> None:
-        self._closing.set()
-        thread = self._thread
-        if thread is not None and thread.is_alive():
-            thread.join(timeout=0.5)
-
-
-class NativeUdpControlIngress:
-    def __init__(self, arbiter: ControlArbiter) -> None:
-        self._arbiter = arbiter
-        self._lock = threading.Lock()
-        self._thread: threading.Thread | None = None
-        self._closing = threading.Event()
-        self._started = False
-        self._bind_addr = "127.0.0.1:10921"
-        self._packets_received = 0
-        self._invalid_packets = 0
-        self._last_sender = ""
-        self._last_error = ""
-
-    def ensure_started(self) -> None:
-        bind_addr = str(load_omnisocket_config().get("control_ingress", {}).get("native_udp_bind", "127.0.0.1:10921"))
-        with self._lock:
-            self._bind_addr = bind_addr
-            if self._closing.is_set():
-                return
-            if self._thread is not None and self._thread.is_alive():
-                return
-            self._started = True
-            self._thread = threading.Thread(
-                target=self._run,
-                name="native-udp-control-ingress",
-                daemon=True,
-            )
-            self._thread.start()
-
-    def _run(self) -> None:
-        try:
-            try:
-                host, port = parse_host_port(self._bind_addr)
-                sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-                sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-                sock.bind((host, port))
-                sock.settimeout(0.1)
-            except Exception as error:
-                with self._lock:
-                    self._last_error = str(error)
-                return
-
-            with sock:
-                while not self._closing.is_set():
-                    try:
-                        payload, sender_addr = sock.recvfrom(CONTROL_PACKET_SIZE + 64)
-                    except socket.timeout:
-                        continue
-                    except OSError as error:
-                        with self._lock:
-                            if not self._closing.is_set():
-                                self._last_error = str(error)
-                        return
-
-                    with self._lock:
-                        self._last_sender = f"{sender_addr[0]}:{sender_addr[1]}"
-
-                    if len(payload) != CONTROL_PACKET_SIZE:
-                        with self._lock:
-                            self._invalid_packets += 1
-                        continue
-
-                    try:
-                        self._arbiter.ingest_command(CONTROL_SOURCE_NATIVE_UDP, payload)
-                    except Exception as error:
-                        with self._lock:
-                            self._last_error = str(error)
-                        continue
-
-                    with self._lock:
-                        self._packets_received += 1
-        finally:
-            with self._lock:
-                self._started = False
-                self._thread = None
-
-    def get_status(self) -> dict[str, Any]:
-        self.ensure_started()
-        with self._lock:
-            return {
-                "started": self._started,
-                "bind_addr": self._bind_addr,
-                "packets_received": self._packets_received,
-                "invalid_packets": self._invalid_packets,
-                "last_sender": self._last_sender,
-                "last_error": self._last_error,
-            }
-
-    def close(self) -> None:
-        self._closing.set()
-        thread = self._thread
-        if thread is not None and thread.is_alive():
-            thread.join(timeout=0.5)

backend/monitoring/routing.py

@@ -1,9 +0,0 @@
-from django.urls import re_path
-
-from .consumers import ControlConsumer
-
-
-websocket_urlpatterns = [
-    re_path(r"^ws/control/$", ControlConsumer.as_asgi()),
-]
-

backend/monitoring/services.py

@@ -1,52 +1,212 @@
 from __future__ import annotations
 
-import atexit
+import json
-
+import math
-from .control import ControlAckTracker, ControlArbiter, NativeUdpControlIngress, OmniSocketControlAckReceiver, OmniSocketControlSender
+import sys
-from .telemetry import GpsDataService, HubTelemetryReceiver, NetworkTelemetryService
+import time
-from .video import OmniSocketVideoReceiver, VideoDisplayProbeStore, VideoFrameService
+from datetime import UTC, datetime
+from pathlib import Path
+from typing import Any, Iterator
 
 
-_video_receiver = OmniSocketVideoReceiver()
+PROJECT_ROOT = Path(__file__).resolve().parents[2]
-_control_ack_tracker = ControlAckTracker()
+WORKSPACE_ROOT = PROJECT_ROOT.parent
-_control_sender = OmniSocketControlSender(_control_ack_tracker)
+GEOSTREAM_JSON_PATH = WORKSPACE_ROOT / "GeoStream" / "gps_latest.json"
-_control_ack_receiver = OmniSocketControlAckReceiver(_control_ack_tracker)
+GEOSTREAM_STALE_SECONDS = 15
-_hub_telemetry_receiver = HubTelemetryReceiver()
+DAEMON_FRAME_URI = "omni-daemon://latest-frame"
-_video_display_probe_store = VideoDisplayProbeStore()
-
-control_arbiter = ControlArbiter(_control_sender)
-native_control_ingress = NativeUdpControlIngress(control_arbiter)
-
-video_service = VideoFrameService(_video_receiver, _video_display_probe_store)
-gps_service = GpsDataService(_video_receiver)
-network_service = NetworkTelemetryService(
-    _video_receiver,
-    _control_sender,
-    _control_ack_tracker,
-    _control_ack_receiver,
-    control_arbiter,
-    native_control_ingress,
-    _hub_telemetry_receiver,
-    _video_display_probe_store,
-)
 
 
-def shutdown_monitoring_services() -> None:
+def utc_iso_now() -> str:
-    for closer in (
+    return datetime.now(UTC).isoformat(timespec="seconds").replace("+00:00", "Z")
-        network_service.close,
+
-        native_control_ingress.close,
+
-        control_arbiter.close,
+def _load_daemon_client_api():
-        _control_ack_receiver.close,
-        _control_ack_tracker.close,
-        _hub_telemetry_receiver.close,
-        _video_display_probe_store.close,
-        _video_receiver.close,
-        _control_sender.close,
-    ):
     try:
-            closer()
+        from omnisocket_a_side.client import OmniDaemonClient, OmniDaemonError
-        except Exception:
+    except ImportError:
-            pass
+        python_dir = WORKSPACE_ROOT / "OmniSocketGo" / "python"
+        if python_dir.exists():
+            sys.path.insert(0, str(python_dir))
+        from omnisocket_a_side.client import OmniDaemonClient, OmniDaemonError
+    return OmniDaemonClient, OmniDaemonError
 
 
-atexit.register(shutdown_monitoring_services)
+_OmniDaemonClient, OmniDaemonError = _load_daemon_client_api()
+_daemon_client = _OmniDaemonClient()
+
+
+def get_daemon_client():
+    return _daemon_client
+
+
+def _default_receiver(error_message: str) -> dict[str, Any]:
+    return {
+        "backend_ready": False,
+        "mode": "daemon",
+        "connected": False,
+        "has_recent_frame": False,
+        "frames_received": 0,
+        "latest_sequence": None,
+        "last_error": error_message,
+        "config_path": "",
+        "server_addr": "",
+        "relay_via": "",
+        "peer_id": "",
+        "buffer_bytes": 0,
+    }
+
+
+class VideoFrameService:
+    def get_status(self) -> dict[str, Any]:
+        try:
+            state = get_daemon_client().get_state()
+        except OmniDaemonError as error:
+            return {
+                "available": False,
+                "source_mode": "daemon-unavailable",
+                "frame_count": 0,
+                "fps": 5,
+                "frame_dir": DAEMON_FRAME_URI,
+                "source_detail": str(error),
+                "receiver": _default_receiver(str(error)),
+            }
+
+        video = dict(state.get("video") or {})
+        receiver = dict(video.get("receiver") or {})
+        profile = dict((state.get("policy") or {}).get("recommended_video_profile") or {})
+
+        return {
+            "available": bool(video.get("available", False)),
+            "source_mode": str(video.get("source_mode") or "omnisocket-waiting"),
+            "frame_count": int(
+                video.get("frame_count", receiver.get("frames_received", 0)) or 0
+            ),
+            "fps": int(video.get("fps", profile.get("fps", 5)) or 5),
+            "frame_dir": str(video.get("frame_dir") or DAEMON_FRAME_URI),
+            "source_detail": str(
+                video.get("source_detail")
+                or receiver.get("last_error")
+                or "waiting for latest JPEG frame from daemon"
+            ),
+            "receiver": {
+                "backend_ready": bool(receiver.get("backend_ready", True)),
+                "mode": str(receiver.get("mode") or "daemon"),
+                "connected": bool(receiver.get("connected", False)),
+                "has_recent_frame": bool(receiver.get("has_recent_frame", False)),
+                "frames_received": int(receiver.get("frames_received", 0) or 0),
+                "latest_sequence": receiver.get("latest_sequence"),
+                "last_error": str(receiver.get("last_error") or ""),
+                "config_path": str(receiver.get("config_path") or ""),
+                "server_addr": str(receiver.get("server_addr") or ""),
+                "relay_via": str(receiver.get("relay_via") or ""),
+                "peer_id": str(receiver.get("peer_id") or ""),
+                "buffer_bytes": int(receiver.get("buffer_bytes", 0) or 0),
+            },
+        }
+
+    def get_next_frame(self) -> bytes:
+        try:
+            return get_daemon_client().get_video_frame()
+        except OmniDaemonError as error:
+            raise RuntimeError(str(error)) from error
+
+    def iter_mjpeg(self, fps: float = 6.0) -> Iterator[bytes]:
+        frame_interval = 1.0 / max(1.0, min(fps, 30.0))
+
+        while True:
+            frame = self.get_next_frame()
+            header = (
+                b"--frame\r\n"
+                b"Content-Type: image/jpeg\r\n"
+                + f"Content-Length: {len(frame)}\r\n\r\n".encode("ascii")
+            )
+            yield header + frame + b"\r\n"
+            time.sleep(frame_interval)
+
+
+class GpsDataService:
+    def get_latest(self) -> dict[str, Any]:
+        payload = self._read_geostream_payload()
+        if payload is not None:
+            payload["source_mode"] = "geostream-json"
+            payload["updated_at"] = utc_iso_now()
+            return payload
+        return self._build_simulated_payload()
+
+    def _read_geostream_payload(self) -> dict[str, Any] | None:
+        if not GEOSTREAM_JSON_PATH.exists():
+            return None
+
+        age_seconds = time.time() - GEOSTREAM_JSON_PATH.stat().st_mtime
+        if age_seconds > GEOSTREAM_STALE_SECONDS:
+            return None
+
+        try:
+            with GEOSTREAM_JSON_PATH.open("r", encoding="utf-8") as file:
+                return json.load(file)
+        except (OSError, json.JSONDecodeError):
+            return None
+
+    def _build_simulated_payload(self) -> dict[str, Any]:
+        tick = time.time() / 12.0
+        latitude = 31.2304 + math.sin(tick) * 0.0014
+        longitude = 121.4737 + math.cos(tick) * 0.0018
+
+        return {
+            "has_fix": True,
+            "utc_time": datetime.now(UTC).strftime("%H:%M:%S"),
+            "latitude": round(latitude, 6),
+            "longitude": round(longitude, 6),
+            "satellites": 14 + int((math.sin(tick * 0.7) + 1.0) * 2),
+            "altitude_m": round(6.5 + math.cos(tick * 0.5) * 1.2, 2),
+            "coordinate_system": "WGS84",
+            "source_sentence": "SIMULATED",
+            "raw_coordinate_format": "decimal degrees",
+            "source_mode": "simulated",
+            "updated_at": utc_iso_now(),
+        }
+
+
+class NetworkTelemetryService:
+    def get_latest(self) -> dict[str, Any]:
+        try:
+            state = get_daemon_client().get_state()
+        except OmniDaemonError as error:
+            return {
+                "peer_status": "offline",
+                "latency_ms": 0.0,
+                "jitter_ms": 0.0,
+                "retrans_pct": 0.0,
+                "packet_loss_pct": 0.0,
+                "tx_kbps": 0,
+                "rx_kbps": 0,
+                "signal_dbm": None,
+                "transport": "OmniSocket / daemon",
+                "source_mode": "daemon-unavailable",
+                "updated_at": utc_iso_now(),
+                "error": str(error),
+            }
+
+        network = dict(state.get("network") or {})
+        return {
+            "peer_status": str(network.get("peer_status") or "offline"),
+            "latency_ms": float(network.get("latency_ms", 0.0) or 0.0),
+            "jitter_ms": float(network.get("jitter_ms", 0.0) or 0.0),
+            "retrans_pct": float(
+                network.get("retrans_pct", network.get("packet_loss_pct", 0.0)) or 0.0
+            ),
+            "packet_loss_pct": float(
+                network.get("packet_loss_pct", network.get("retrans_pct", 0.0)) or 0.0
+            ),
+            "tx_kbps": int(network.get("tx_kbps", 0) or 0),
+            "rx_kbps": int(network.get("rx_kbps", 0) or 0),
+            "signal_dbm": network.get("signal_dbm"),
+            "transport": str(network.get("transport") or "OmniSocket / daemon"),
+            "source_mode": str(network.get("source_mode") or "daemon-live"),
+            "updated_at": str(network.get("updated_at") or utc_iso_now()),
+        }
+
+
+video_service = VideoFrameService()
+gps_service = GpsDataService()
+network_service = NetworkTelemetryService()

backend/monitoring/telemetry.py

@@ -1,903 +0,0 @@
-from __future__ import annotations
-
-from collections import deque
-import json
-import os
-import sys
-import threading
-import time
-from datetime import datetime, timezone
-from pathlib import Path
-from typing import Any
-
-from .common import (
-    VIDEO_TRAILER_COORDINATE_FORMAT,
-    WORKSPACE_ROOT,
-    load_omnisocket_config,
-    utc_iso_now,
-)
-from .control import ControlAckTracker, ControlArbiter, NativeUdpControlIngress, OmniSocketControlAckReceiver, OmniSocketControlSender
-from .video import FrameTrailerMetadata, OmniSocketVideoReceiver, VideoDisplayProbeStore
-
-
-LOCAL_SAMPLE_INTERVAL_MS = 500
-TREND_HISTORY_SIZE = 10
-TREND_WINDOW_SIZE = 5
-BLITZ_RUNTIME_DIR = Path(os.getenv("BLITZ_RUNTIME_DIR", "/run/blitz-robot"))
-WATCHDOG_STATUS_PATH = BLITZ_RUNTIME_DIR / "watchdog.status.json"
-WATCHDOG_STATUS_STALE_MS = max(int(os.getenv("BLITZ_HEALTH_STALE_SEC", "15")), 1) * 1000
-WATCHDOG_FAULT_REASON_MAP: dict[str, tuple[str, str | None]] = {
-    "": ("none", None),
-    "none": ("none", None),
-    "camera_missing": ("video_pipeline_stalled", "degraded"),
-    "camera_recovered": ("video_session_recovering", "recovering"),
-    "camera-reappeared-escalated": ("video_session_recovering", "recovering"),
-    "bside_status_stale": ("video_session_recovering", "recovering"),
-    "bside-unhealthy-escalated": ("video_session_recovering", "recovering"),
-    "ros_receiver_unhealthy": ("control_session_recovering", "recovering"),
-    "ros-unhealthy": ("control_session_recovering", "recovering"),
-    "network_or_robot_unreachable": ("network_or_robot_unreachable", "recovering"),
-    "network-recovered-ros-unhealthy": ("control_session_recovering", "recovering"),
-    "network-recovered-escalated": ("network_or_robot_unreachable", "recovering"),
-}
-
-
-def _utc_from_epoch(epoch_seconds: float | None) -> str | None:
-    if epoch_seconds is None or epoch_seconds <= 0.0:
-        return None
-    return datetime.fromtimestamp(epoch_seconds, timezone.utc).isoformat(timespec="seconds").replace("+00:00", "Z")
-
-
-def _coerce_int(value: Any, default: int = 0) -> int:
-    try:
-        if value is None:
-            return default
-        return int(value)
-    except (TypeError, ValueError):
-        return default
-
-
-def _coerce_float(value: Any, default: float = 0.0) -> float:
-    try:
-        if value is None:
-            return default
-        return float(value)
-    except (TypeError, ValueError):
-        return default
-
-
-def _load_optional_json(path: Path) -> dict[str, Any] | None:
-    try:
-        if not path.exists():
-            return None
-        with path.open("r", encoding="utf-8") as file:
-            payload = json.load(file)
-        if isinstance(payload, dict):
-            return payload
-    except Exception:
-        return None
-    return None
-
-
-class GpsDataService:
-    def __init__(self, receiver: OmniSocketVideoReceiver) -> None:
-        self._receiver = receiver
-
-    def get_latest(self) -> dict[str, Any]:
-        metadata = self._receiver.get_latest_frame_metadata()
-        if metadata is None:
-            return self._build_waiting_payload()
-        return self._build_payload_from_metadata(metadata)
-
-    def _build_waiting_payload(self) -> dict[str, Any]:
-        return {
-            "has_fix": False,
-            "utc_time": "--:--:--",
-            "latitude": None,
-            "longitude": None,
-            "satellites": None,
-            "altitude_m": None,
-            "coordinate_system": "WGS84",
-            "source_sentence": "VIDEO_TRAILER",
-            "raw_coordinate_format": VIDEO_TRAILER_COORDINATE_FORMAT,
-            "source_mode": "video-frame-trailer-waiting",
-            "updated_at": "",
-        }
-
-    def _build_payload_from_metadata(self, metadata: FrameTrailerMetadata) -> dict[str, Any]:
-        updated_at = _utc_from_epoch(metadata.received_at) or ""
-        if not metadata.has_gps_fix:
-            return {
-                "has_fix": False,
-                "utc_time": "--:--:--",
-                "latitude": None,
-                "longitude": None,
-                "raw_latitude_hex": f"0x{metadata.raw_latitude_hex}",
-                "raw_longitude_hex": f"0x{metadata.raw_longitude_hex}",
-                "satellites": None,
-                "altitude_m": None,
-                "coordinate_system": "WGS84",
-                "source_sentence": "VIDEO_TRAILER",
-                "raw_coordinate_format": VIDEO_TRAILER_COORDINATE_FORMAT,
-                "source_mode": "video-frame-trailer-no-fix",
-                "updated_at": updated_at,
-            }
-
-        timestamp_seconds = metadata.timestamp_ns / 1_000_000_000
-        return {
-            "has_fix": True,
-            "utc_time": datetime.fromtimestamp(timestamp_seconds, timezone.utc).strftime("%H:%M:%S"),
-            "latitude": round(metadata.latitude, 6) if metadata.latitude is not None else None,
-            "longitude": round(metadata.longitude, 6) if metadata.longitude is not None else None,
-            "raw_latitude_hex": f"0x{metadata.raw_latitude_hex}",
-            "raw_longitude_hex": f"0x{metadata.raw_longitude_hex}",
-            "satellites": None,
-            "altitude_m": None,
-            "coordinate_system": "WGS84",
-            "source_sentence": "VIDEO_TRAILER",
-            "raw_coordinate_format": VIDEO_TRAILER_COORDINATE_FORMAT,
-            "source_mode": "video-frame-trailer",
-            "updated_at": updated_at,
-        }
-
-
-class KcpTrendTracker:
-    def __init__(self) -> None:
-        self._lock = threading.Lock()
-        self._samples: dict[str, deque[dict[str, Any]]] = {}
-
-    def _normalize(self, stats: dict[str, Any] | None) -> dict[str, Any]:
-        raw = dict(stats or {})
-        snd_wnd = _coerce_int(raw.get("snd_wnd"))
-        rmt_wnd = _coerce_int(raw.get("rmt_wnd"))
-        inflight = _coerce_int(raw.get("inflight"))
-        window_limit = _coerce_int(raw.get("window_limit"), min(snd_wnd, rmt_wnd) if snd_wnd and rmt_wnd else 0)
-        return {
-            "connected": _coerce_int(raw.get("connected")),
-            "conv": _coerce_int(raw.get("conv")),
-            "rto_ms": _coerce_int(raw.get("rto_ms")),
-            "srtt_ms": _coerce_int(raw.get("srtt_ms")),
-            "min_srtt_ms": _coerce_int(raw.get("min_srtt_ms")),
-            "srttvar_ms": _coerce_int(raw.get("srttvar_ms")),
-            "last_feedback_age_ms": _coerce_int(raw.get("last_feedback_age_ms")),
-            "snd_wnd": snd_wnd,
-            "rmt_wnd": rmt_wnd,
-            "inflight": inflight,
-            "window_limit": window_limit,
-            "window_pressure_pct": round(_coerce_float(raw.get("window_pressure_pct")), 3),
-            "snd_queue": _coerce_int(raw.get("snd_queue")),
-            "rcv_queue": _coerce_int(raw.get("rcv_queue")),
-            "snd_buffer": _coerce_int(raw.get("snd_buffer")),
-            "out_segs_total": _coerce_int(raw.get("out_segs_total")),
-            "retrans_total": _coerce_int(raw.get("retrans_total")),
-            "fast_retrans_total": _coerce_int(raw.get("fast_retrans_total")),
-            "lost_total": _coerce_int(raw.get("lost_total")),
-            "repeat_total": _coerce_int(raw.get("repeat_total")),
-            "xmit_total": _coerce_int(raw.get("xmit_total")),
-        }
-
-    def add_sample(self, key: str, stats: dict[str, Any] | None) -> None:
-        sample = {
-            "ts_monotonic": time.monotonic(),
-            "updated_at": utc_iso_now(),
-            "stats": self._normalize(stats),
-        }
-        with self._lock:
-            history = self._samples.setdefault(key, deque(maxlen=TREND_HISTORY_SIZE))
-            history.append(sample)
-
-    def latest_updated_at(self, key: str) -> str | None:
-        with self._lock:
-            history = self._samples.get(key)
-            if not history:
-                return None
-            return str(history[-1].get("updated_at") or "")
-
-    def describe(self, key: str, current_stats: dict[str, Any] | None) -> dict[str, Any]:
-        current = self._normalize(current_stats)
-        with self._lock:
-            history = list(self._samples.get(key, ()))
-
-        timeline = history + [{"stats": current, "updated_at": utc_iso_now()}]
-        previous = timeline[-2]["stats"] if len(timeline) >= 2 else None
-        trend_window = [entry["stats"] for entry in timeline[-TREND_WINDOW_SIZE:]]
-        deadband = max(2.0, 0.05 * float(max(current.get("window_limit", 0), 1)))
-
-        snd_queue_delta = 0
-        snd_buffer_delta = 0
-        retrans_delta = 0
-        fast_retrans_delta = 0
-        lost_delta = 0
-        repeat_delta = 0
-        out_segs_delta = 0
-        if previous is not None:
-            snd_queue_delta = max(0, current["snd_queue"] - _coerce_int(previous.get("snd_queue")))
-            snd_buffer_delta = max(0, current["snd_buffer"] - _coerce_int(previous.get("snd_buffer")))
-            retrans_delta = max(0, current["retrans_total"] - _coerce_int(previous.get("retrans_total")))
-            fast_retrans_delta = max(0, current["fast_retrans_total"] - _coerce_int(previous.get("fast_retrans_total")))
-            lost_delta = max(0, current["lost_total"] - _coerce_int(previous.get("lost_total")))
-            repeat_delta = max(0, current["repeat_total"] - _coerce_int(previous.get("repeat_total")))
-            out_segs_delta = max(0, current["out_segs_total"] - _coerce_int(previous.get("out_segs_total")))
-
-        def classify(field: str) -> str:
-            if len(trend_window) < 2:
-                return "stable"
-            oldest = float(_coerce_int(trend_window[0].get(field)))
-            newest = float(_coerce_int(trend_window[-1].get(field)))
-            delta = newest - oldest
-            if abs(delta) < deadband:
-                return "stable"
-            return "rising" if delta > 0 else "falling"
-
-        repair_rate_pct = 0.0
-        if out_segs_delta > 0:
-            repair_rate_pct = round((retrans_delta / out_segs_delta) * 100.0, 3)
-
-        return {
-            "kcp": current,
-            "trend": {
-                "snd_queue_delta": snd_queue_delta,
-                "snd_buffer_delta": snd_buffer_delta,
-                "snd_queue_trend": classify("snd_queue"),
-                "snd_buffer_trend": classify("snd_buffer"),
-                "retrans_delta": retrans_delta,
-                "fast_retrans_delta": fast_retrans_delta,
-                "lost_delta": lost_delta,
-                "repeat_delta": repeat_delta,
-                "out_segs_delta": out_segs_delta,
-                "repair_rate_pct": repair_rate_pct,
-            },
-        }
-
-
-class HubTelemetryReceiver:
-    def __init__(self) -> None:
-        self._lock = threading.Lock()
-        self._thread: threading.Thread | None = None
-        self._started = False
-        self._session = None
-        self._session_cls = None
-        self._msg_type_text = None
-        self._msg_type_error = None
-        self._telemetry_defaults: dict[str, Any] = {}
-        self._latest_snapshot: dict[str, Any] | None = None
-        self._last_error = ""
-        self._last_received_wall = 0.0
-        self._last_received_monotonic = 0.0
-        self._reconnect_count = 0
-        self._ever_connected = False
-        self._closing = threading.Event()
-        self._load_backend()
-
-    def _load_backend(self) -> None:
-        try:
-            self._import_backend()
-        except Exception as error:  # pragma: no cover - optional runtime dependency
-            self._last_error = f"omnisocket import failed: {error}"
-
-    def _import_backend(self) -> None:
-        try:
-            from omnisocket import MSG_TYPE_ERROR, MSG_TYPE_TEXT, Session, TELEMETRY_DEFAULTS  # type: ignore
-        except ImportError:
-            python_dir = WORKSPACE_ROOT / "OmniSocketGo" / "python"
-            if python_dir.exists():
-                sys.path.insert(0, str(python_dir))
-            from omnisocket import MSG_TYPE_ERROR, MSG_TYPE_TEXT, Session, TELEMETRY_DEFAULTS  # type: ignore
-
-        self._msg_type_error = MSG_TYPE_ERROR
-        self._msg_type_text = MSG_TYPE_TEXT
-        self._session_cls = Session
-        self._telemetry_defaults = dict(TELEMETRY_DEFAULTS)
-
-    def _connect_session(self):
-        assert self._session_cls is not None
-
-        config = load_omnisocket_config()
-        transport_cfg = config.get("transport", {})
-        telemetry_cfg = config.get("telemetry_receiver", {})
-
-        session = self._session_cls()
-        session.connect(
-            server_addr=str(transport_cfg.get("server_addr", "127.0.0.1:10909")),
-            peer_id=str(telemetry_cfg.get("peer_id", "peer-a-telemetry")),
-            relay_via=str(transport_cfg.get("relay_via", "")),
-            bind_ip=str(transport_cfg.get("bind_ip", "")),
-            bind_device=str(transport_cfg.get("bind_device", "")),
-            **self._telemetry_defaults,
-        )
-        return session
-
-    def ensure_started(self) -> None:
-        if self._session_cls is None:
-            return
-
-        with self._lock:
-            if self._started or self._closing.is_set():
-                return
-            self._started = True
-            self._thread = threading.Thread(
-                target=self._run,
-                name="hub-telemetry-receiver",
-                daemon=True,
-            )
-            self._thread.start()
-
-    def _run(self) -> None:
-        while not self._closing.is_set():
-            try:
-                session = self._connect_session()
-                with self._lock:
-                    self._session = session
-                    self._last_error = ""
-                    if self._ever_connected:
-                        self._reconnect_count += 1
-                    else:
-                        self._ever_connected = True
-
-                while not self._closing.is_set():
-                    result = session.recv(timeout_ms=1000)
-                    if result is None:
-                        continue
-
-                    from_peer, msg_type, payload = result
-                    if msg_type == self._msg_type_error:
-                        with self._lock:
-                            self._last_error = f"hub error from {from_peer}: {payload.decode('utf-8', errors='replace')}"
-                        continue
-                    if msg_type != self._msg_type_text:
-                        continue
-
-                    snapshot = json.loads(payload.decode("utf-8"))
-                    if snapshot.get("type") != "hub_kcp_snapshot":
-                        continue
-
-                    now_wall = time.time()
-                    now_mono = time.monotonic()
-                    with self._lock:
-                        self._latest_snapshot = snapshot
-                        self._last_received_wall = now_wall
-                        self._last_received_monotonic = now_mono
-                        self._last_error = ""
-            except Exception as error:  # pragma: no cover - runtime integration path
-                if not self._closing.is_set():
-                    session_error = ""
-                    if self._session is not None:
-                        try:
-                            session_error = str(dict(self._session.stats()).get("last_server_error", "") or "")
-                        except Exception:
-                            session_error = ""
-                    with self._lock:
-                        self._last_error = session_error or str(error)
-            finally:
-                with self._lock:
-                    session = self._session
-                    self._session = None
-                    if self._closing.is_set():
-                        self._started = False
-                if session is not None:
-                    try:
-                        session.close()
-                    except Exception:
-                        pass
-                if not self._closing.is_set():
-                    time.sleep(2)
-
-    def get_snapshot(self) -> dict[str, Any]:
-        self.ensure_started()
-        cfg = load_omnisocket_config().get("telemetry_receiver", {})
-        stale_after_ms = max(500, int(cfg.get("stale_after_ms", 1500)))
-
-        with self._lock:
-            received_monotonic = self._last_received_monotonic
-            received_wall = self._last_received_wall
-            snapshot = self._latest_snapshot
-            connected = self._session is not None
-            last_error = self._last_error
-            reconnect_count = self._reconnect_count
-            if self._session is not None:
-                try:
-                    session_stats = dict(self._session.stats())
-                except Exception:
-                    session_stats = {}
-            else:
-                session_stats = {}
-
-        stale = True
-        if received_monotonic > 0.0:
-            stale = (time.monotonic() - received_monotonic) * 1000.0 > stale_after_ms
-
-        return {
-            "connected": connected,
-            "updated_at": _utc_from_epoch(received_wall),
-            "received_at_monotonic": received_monotonic,
-            "stale": stale,
-            "peer_id": str(cfg.get("peer_id", "peer-a-telemetry")),
-            "snapshot": snapshot or {"sessions": []},
-            "last_error": last_error,
-            "registered": bool(session_stats.get("registered", 0)),
-            "last_server_error": str(session_stats.get("last_server_error", "") or ""),
-            "reconnect_count": reconnect_count,
-        }
-
-    def close(self) -> None:
-        self._closing.set()
-        with self._lock:
-            session = self._session
-        if session is not None:
-            try:
-                session.close()
-            except Exception:
-                pass
-        thread = self._thread
-        if thread is not None and thread.is_alive():
-            thread.join(timeout=0.5)
-
-
-class NetworkTelemetryService:
-    def __init__(
-        self,
-        video_receiver: OmniSocketVideoReceiver,
-        control_sender: OmniSocketControlSender,
-        control_ack_tracker: ControlAckTracker,
-        control_ack_receiver: OmniSocketControlAckReceiver,
-        control_arbiter: ControlArbiter,
-        native_ingress: NativeUdpControlIngress,
-        hub_receiver: HubTelemetryReceiver,
-        video_display_probe_store: VideoDisplayProbeStore,
-    ) -> None:
-        self._video_receiver = video_receiver
-        self._control_sender = control_sender
-        self._control_ack_tracker = control_ack_tracker
-        self._control_ack_receiver = control_ack_receiver
-        self._control_arbiter = control_arbiter
-        self._native_ingress = native_ingress
-        self._hub_receiver = hub_receiver
-        self._video_display_probe_store = video_display_probe_store
-        self._trend_tracker = KcpTrendTracker()
-        self._rate_lock = threading.Lock()
-        self._last_rate_sample: tuple[float, int, int] | None = None
-        self._sample_thread: threading.Thread | None = None
-        self._sample_started = False
-        self._last_remote_snapshot_at = 0.0
-        self._closing = threading.Event()
-
-    def _ensure_started(self) -> None:
-        self._video_receiver.ensure_started()
-        self._control_arbiter.ensure_started()
-        self._control_ack_receiver.ensure_started()
-        self._native_ingress.ensure_started()
-        self._hub_receiver.ensure_started()
-        with self._rate_lock:
-            if self._sample_started or self._closing.is_set():
-                return
-            self._sample_started = True
-            self._sample_thread = threading.Thread(
-                target=self._sample_loop,
-                name="network-telemetry-sampler",
-                daemon=True,
-            )
-            self._sample_thread.start()
-
-    def _sample_loop(self) -> None:
-        interval_seconds = LOCAL_SAMPLE_INTERVAL_MS / 1000.0
-        while not self._closing.is_set():
-            try:
-                self._trend_tracker.add_sample("a_to_d.video", self._video_receiver.session_kcp_stats())
-                self._trend_tracker.add_sample("a_to_d.control", self._control_sender.session_kcp_stats())
-            except Exception:
-                pass
-            time.sleep(interval_seconds)
-
-    def _compute_rates(self, send_bytes: int, recv_bytes: int) -> tuple[float, float]:
-        now = time.monotonic()
-        with self._rate_lock:
-            previous = self._last_rate_sample
-            self._last_rate_sample = (now, send_bytes, recv_bytes)
-
-        if previous is None:
-            return 0.0, 0.0
-
-        prev_time, prev_send, prev_recv = previous
-        elapsed = now - prev_time
-        if elapsed <= 0.0:
-            return 0.0, 0.0
-
-        tx_kbps = max(0.0, ((send_bytes - prev_send) * 8.0) / elapsed / 1000.0)
-        rx_kbps = max(0.0, ((recv_bytes - prev_recv) * 8.0) / elapsed / 1000.0)
-        return tx_kbps, rx_kbps
-
-    def _ingest_remote_snapshot(self, telemetry_state: dict[str, Any]) -> None:
-        received_at = float(telemetry_state.get("received_at_monotonic") or 0.0)
-        if received_at <= 0.0 or received_at <= self._last_remote_snapshot_at:
-            return
-
-        snapshot = telemetry_state.get("snapshot") or {}
-        sessions = snapshot.get("sessions") or []
-        for session in sessions:
-            peer_id = str(session.get("peer_id", "")).strip()
-            if not peer_id:
-                continue
-            self._trend_tracker.add_sample(f"hub::{peer_id}", session)
-        self._last_remote_snapshot_at = received_at
-
-    def _build_session_payload(
-        self,
-        trend_key: str,
-        peer_id: str,
-        app_stats: dict[str, Any] | None,
-        current_kcp: dict[str, Any] | None,
-        updated_at: str | None,
-        stale: bool,
-    ) -> dict[str, Any]:
-        described = self._trend_tracker.describe(trend_key, current_kcp)
-        connected = bool(described["kcp"].get("connected"))
-        if app_stats is not None and "registered" in app_stats:
-            connected = bool(app_stats.get("registered"))
-        return {
-            "peer_id": peer_id,
-            "connected": connected,
-            "updated_at": updated_at,
-            "stale": stale,
-            "app": app_stats,
-            "kcp": described["kcp"],
-            "trend": described["trend"],
-        }
-
-    def _build_link(self, source: str, updated_at: str | None, stale: bool, sessions: dict[str, dict[str, Any]]) -> dict[str, Any]:
-        session_items = list(sessions.values())
-        active_sessions = [session for session in session_items if session.get("connected") and not session.get("stale")]
-        retrans_sum = sum(_coerce_int(session.get("trend", {}).get("retrans_delta")) for session in active_sessions)
-        out_segs_sum = sum(_coerce_int(session.get("trend", {}).get("out_segs_delta")) for session in active_sessions)
-        repair_rate_pct = round((retrans_sum / out_segs_sum) * 100.0, 3) if out_segs_sum > 0 else 0.0
-
-        return {
-            "source": source,
-            "updated_at": updated_at,
-            "stale": stale,
-            "aggregate": {
-                "online_sessions": len(active_sessions),
-                "max_window_pressure_pct": max(
-                    (_coerce_float(session.get("kcp", {}).get("window_pressure_pct")) for session in active_sessions),
-                    default=0.0,
-                ),
-                "sum_snd_queue": sum(_coerce_int(session.get("kcp", {}).get("snd_queue")) for session in active_sessions),
-                "sum_snd_buffer": sum(_coerce_int(session.get("kcp", {}).get("snd_buffer")) for session in active_sessions),
-                "sum_retrans_delta": retrans_sum,
-                "sum_out_segs_delta": out_segs_sum,
-                "repair_rate_pct": repair_rate_pct,
-            },
-            "sessions": sessions,
-        }
-
-    def _pick_primary_session(self, links: dict[str, dict[str, Any]]) -> dict[str, Any] | None:
-        candidates = (
-            links["a_to_d"]["sessions"]["control"],
-            links["a_to_d"]["sessions"]["video"],
-            links["d_to_b"]["sessions"]["control"],
-            links["d_to_b"]["sessions"]["video"],
-        )
-        for session in candidates:
-            if session.get("connected") and not session.get("stale"):
-                return session
-        return None
-
-    def _derive_robot_health(
-        self,
-        *,
-        video_receiver_status: dict[str, Any],
-        local_control_registered: bool,
-        remote_control_fresh: bool,
-        remote_video_fresh: bool,
-        telemetry_state: dict[str, Any],
-        watchdog_status: dict[str, Any] | None,
-    ) -> dict[str, Any]:
-        if watchdog_status is not None:
-            explicit_health = self._derive_robot_health_from_watchdog(watchdog_status)
-            if explicit_health is not None:
-                return explicit_health
-
-        has_recent_frame = bool(video_receiver_status.get("has_recent_frame"))
-        telemetry_connected = bool(telemetry_state.get("connected"))
-        telemetry_stale = bool(telemetry_state.get("stale", True))
-
-        if has_recent_frame and remote_control_fresh and remote_video_fresh:
-            fault_reason = "none"
-            recovery_state = "ok"
-        elif not remote_control_fresh and not remote_video_fresh and not has_recent_frame:
-            fault_reason = "network_or_robot_unreachable"
-            recovery_state = "recovering" if telemetry_connected and not telemetry_stale else "degraded"
-        elif remote_control_fresh and not remote_video_fresh:
-            fault_reason = "video_session_recovering"
-            recovery_state = "recovering"
-        elif not remote_control_fresh and local_control_registered:
-            fault_reason = "control_session_recovering"
-            recovery_state = "recovering"
-        elif remote_control_fresh and not has_recent_frame:
-            fault_reason = "video_pipeline_stalled"
-            recovery_state = "degraded"
-        else:
-            fault_reason = "unknown"
-            recovery_state = "degraded"
-
-        return {
-            "fault_reason": fault_reason,
-            "recovery_state": recovery_state,
-            "confidence": "derived",
-            "updated_at": utc_iso_now(),
-        }
-
-    def _derive_robot_health_from_watchdog(self, watchdog_status: dict[str, Any]) -> dict[str, Any] | None:
-        updated_at_epoch_ms = _coerce_int(watchdog_status.get("updated_at_epoch_ms"))
-        if updated_at_epoch_ms <= 0:
-            return None
-
-        now_epoch_ms = int(time.time() * 1000)
-        if now_epoch_ms - updated_at_epoch_ms > WATCHDOG_STATUS_STALE_MS:
-            return None
-
-        raw_fault_reason = str(watchdog_status.get("fault_reason", "") or "")
-        raw_recovery_state = str(watchdog_status.get("recovery_state", "") or "")
-        normalized_fault_reason = "unknown"
-        normalized_recovery_state = raw_recovery_state or "degraded"
-        mapped_health = WATCHDOG_FAULT_REASON_MAP.get(raw_fault_reason)
-
-        if mapped_health is not None:
-            normalized_fault_reason, recovery_override = mapped_health
-            if recovery_override is not None:
-                normalized_recovery_state = recovery_override
-        if raw_recovery_state == "backoff":
-            normalized_recovery_state = "backoff"
-
-        return {
-            "fault_reason": normalized_fault_reason,
-            "recovery_state": normalized_recovery_state,
-            "confidence": "derived",
-            "updated_at": _utc_from_epoch(updated_at_epoch_ms / 1000.0) or utc_iso_now(),
-        }
-
-    def _derive_latency_estimate(
-        self,
-        *,
-        links: dict[str, dict[str, Any]],
-        video_receiver_status: dict[str, Any],
-        display_probe_status: dict[str, Any],
-    ) -> dict[str, Any]:
-        a_to_d_control_raw = links["a_to_d"]["sessions"]["control"]["kcp"].get("srtt_ms")
-        d_to_b_control_raw = links["d_to_b"]["sessions"]["control"]["kcp"].get("srtt_ms")
-        a_to_d_control_min_raw = links["a_to_d"]["sessions"]["control"]["kcp"].get("min_srtt_ms")
-        d_to_b_control_min_raw = links["d_to_b"]["sessions"]["control"]["kcp"].get("min_srtt_ms")
-        a_to_d_video_raw = links["a_to_d"]["sessions"]["video"]["kcp"].get("srtt_ms")
-        d_to_b_video_raw = links["d_to_b"]["sessions"]["video"]["kcp"].get("srtt_ms")
-
-        a_to_d_control = _coerce_float(a_to_d_control_raw) if a_to_d_control_raw is not None else None
-        d_to_b_control = _coerce_float(d_to_b_control_raw) if d_to_b_control_raw is not None else None
-        a_to_d_control_min = _coerce_float(a_to_d_control_min_raw) if a_to_d_control_min_raw is not None else None
-        d_to_b_control_min = _coerce_float(d_to_b_control_min_raw) if d_to_b_control_min_raw is not None else None
-        a_to_d_video = _coerce_float(a_to_d_video_raw) if a_to_d_video_raw is not None else None
-        d_to_b_video = _coerce_float(d_to_b_video_raw) if d_to_b_video_raw is not None else None
-        ack_estimate = self._control_ack_tracker.get_latest_estimate()
-        capture_to_send_raw = video_receiver_status.get("latest_capture_to_send_ms")
-        request_to_paint_raw = display_probe_status.get("request_to_paint_ms")
-        capture_to_send_ms = _coerce_float(capture_to_send_raw) if capture_to_send_raw is not None else None
-        request_to_paint_ms = _coerce_float(request_to_paint_raw) if request_to_paint_raw is not None else None
-        video_network_oneway_est_ms = (
-            round((a_to_d_video + d_to_b_video) / 2.0, 3)
-            if a_to_d_video is not None and d_to_b_video is not None
-            else None
-        )
-        video_partial_est_ms = None
-        if capture_to_send_ms is not None and video_network_oneway_est_ms is not None:
-            video_partial_est_ms = round(capture_to_send_ms + video_network_oneway_est_ms, 3)
-        video_e2e_est_ms = None
-        if video_partial_est_ms is not None and request_to_paint_ms is not None:
-            video_e2e_est_ms = round(video_partial_est_ms + request_to_paint_ms, 3)
-
-        return {
-            "control_loop_rtt_ms": ack_estimate.get("control_loop_rtt_ms"),
-            "control_to_persist_est_ms": ack_estimate.get("control_to_persist_est_ms"),
-            "control_oneway_srtt_est_ms": (
-                round((a_to_d_control + d_to_b_control) / 2.0, 3)
-                if a_to_d_control is not None and d_to_b_control is not None
-                else None
-            ),
-            "control_oneway_bestcase_est_ms": (
-                round((a_to_d_control_min + d_to_b_control_min) / 2.0, 3)
-                if a_to_d_control_min is not None and d_to_b_control_min is not None
-                else None
-            ),
-            "video_network_oneway_est_ms": video_network_oneway_est_ms,
-            "video_partial_est_ms": video_partial_est_ms,
-            "video_e2e_est_ms": video_e2e_est_ms,
-            "estimate_method": {
-                "control": "ack_loop" if ack_estimate.get("ack_available") else "srtt_fallback",
-                "video": "capture_to_send+srtt/2+request_to_paint" if video_e2e_est_ms is not None else "capture_to_send+srtt/2",
-            },
-            "clock_sync_required": False,
-            "assumptions": [
-                "control one-way estimate uses ACK loop when available",
-                "video one-way estimate uses per-leg SRTT and local paint timing",
-            ],
-            "confidence": {
-                "control": "derived_ack" if ack_estimate.get("ack_available") else "fallback_srtt",
-                "video": "derived_local_probe" if video_e2e_est_ms is not None else "partial_without_probe",
-            },
-        }
-
-    def get_latest(self) -> dict[str, Any]:
-        self._ensure_started()
-
-        config = load_omnisocket_config()
-        video_receiver_cfg = config.get("video_receiver", {})
-        control_sender_cfg = config.get("control_sender", {})
-        video_sender_cfg = config.get("video_sender", {})
-
-        video_app = self._video_receiver.session_stats()
-        control_app = self._control_sender.session_stats()
-        video_kcp = self._video_receiver.session_kcp_stats()
-        control_kcp = self._control_sender.session_kcp_stats()
-        video_receiver_status = self._video_receiver.get_status()
-        arbiter_status = self._control_arbiter.get_status()
-        ingress_status = self._native_ingress.get_status()
-        sender_status = self._control_sender.get_status()
-        ack_receiver_status = self._control_ack_receiver.get_status()
-        ack_status = self._control_ack_tracker.get_latest_estimate()
-        telemetry_state = self._hub_receiver.get_snapshot()
-        display_probe_status = self._video_display_probe_store.get_status()
-
-        total_send_bytes = int(video_app.get("send_bytes", 0)) + int(control_app.get("send_bytes", 0))
-        total_recv_bytes = int(video_app.get("recv_bytes", 0)) + int(control_app.get("recv_bytes", 0))
-        tx_kbps, rx_kbps = self._compute_rates(total_send_bytes, total_recv_bytes)
-
-        local_updated_at = utc_iso_now()
-        local_sessions = {
-            "video": self._build_session_payload(
-                "a_to_d.video",
-                str(video_receiver_cfg.get("peer_id", "peer-a-video")),
-                video_app,
-                video_kcp,
-                local_updated_at,
-                False,
-            ),
-            "control": self._build_session_payload(
-                "a_to_d.control",
-                str(control_sender_cfg.get("peer_id", "peer-a-ctrl")),
-                control_app,
-                control_kcp,
-                local_updated_at,
-                False,
-            ),
-        }
-
-        remote_snapshot = telemetry_state.get("snapshot") or {}
-        remote_sessions_by_peer = {
-            str(session.get("peer_id", "")).strip(): session
-            for session in remote_snapshot.get("sessions", []) or []
-            if str(session.get("peer_id", "")).strip()
-        }
-        remote_updated_at = telemetry_state.get("updated_at")
-        remote_stale = bool(telemetry_state.get("stale", True))
-        remote_sessions = {
-            "video": self._build_session_payload(
-                f"hub::{str(video_sender_cfg.get('peer_id', 'peer-b-video'))}",
-                str(video_sender_cfg.get("peer_id", "peer-b-video")),
-                None,
-                remote_sessions_by_peer.get(str(video_sender_cfg.get("peer_id", "peer-b-video")), {}),
-                remote_updated_at,
-                remote_stale,
-            ),
-            "control": self._build_session_payload(
-                f"hub::{str(control_sender_cfg.get('target_peer', 'peer-b-ctrl'))}",
-                str(control_sender_cfg.get("target_peer", "peer-b-ctrl")),
-                None,
-                remote_sessions_by_peer.get(str(control_sender_cfg.get("target_peer", "peer-b-ctrl")), {}),
-                remote_updated_at,
-                remote_stale,
-            ),
-        }
-        self._video_receiver.update_remote_video_srtt(
-            _coerce_int(remote_sessions["video"]["kcp"].get("srtt_ms")) if remote_sessions["video"]["kcp"].get("srtt_ms") is not None else None
-        )
-
-        links = {
-            "a_to_d": self._build_link("local-a-side", local_updated_at, False, local_sessions),
-            "d_to_b": self._build_link("hub-telemetry", remote_updated_at, remote_stale, remote_sessions),
-        }
-
-        primary_session = self._pick_primary_session(links)
-        primary_kcp = dict(primary_session.get("kcp", {})) if primary_session is not None else {}
-        self._ingest_remote_snapshot(telemetry_state)
-
-        fresh_connected_sessions = (
-            links["a_to_d"]["aggregate"]["online_sessions"] + links["d_to_b"]["aggregate"]["online_sessions"]
-        )
-        latency_ms = primary_kcp.get("srtt_ms") if primary_session is not None else None
-        jitter_ms = primary_kcp.get("srttvar_ms") if primary_session is not None else None
-        local_control_registered = bool(control_app.get("registered", 0))
-        remote_control_fresh = bool(remote_sessions["control"].get("connected")) and not bool(remote_sessions["control"].get("stale"))
-        remote_video_fresh = bool(remote_sessions["video"].get("connected")) and not bool(remote_sessions["video"].get("stale"))
-        watchdog_status = _load_optional_json(WATCHDOG_STATUS_PATH)
-        robot_health = self._derive_robot_health(
-            video_receiver_status=video_receiver_status,
-            local_control_registered=local_control_registered,
-            remote_control_fresh=remote_control_fresh,
-            remote_video_fresh=remote_video_fresh,
-            telemetry_state=telemetry_state,
-            watchdog_status=watchdog_status,
-        )
-        latency_estimate = self._derive_latency_estimate(
-            links=links,
-            video_receiver_status=video_receiver_status,
-            display_probe_status=display_probe_status,
-        )
-
-        if local_control_registered and remote_control_fresh:
-            peer_status = "online"
-        elif local_control_registered or bool(local_sessions["video"].get("connected")):
-            peer_status = "degraded"
-        elif sender_status.get("backend_ready"):
-            peer_status = "idle"
-        else:
-            peer_status = "backend-unavailable"
-
-        return {
-            "peer_status": peer_status,
-            "latency_ms": latency_ms,
-            "jitter_ms": jitter_ms,
-            "packet_loss_pct": None,
-            "tx_kbps": round(tx_kbps, 3),
-            "rx_kbps": round(rx_kbps, 3),
-            "transport": "OmniSocket / kcp",
-            "source_mode": "omnisocket-live" if fresh_connected_sessions > 0 else "omnisocket-idle",
-            "updated_at": utc_iso_now(),
-            "active_control_source": arbiter_status["active_source"],
-            "control_lease_remaining_ms": arbiter_status["control_lease_remaining_ms"],
-            "combined": {
-                "connected_sessions": fresh_connected_sessions,
-                "send_bytes": total_send_bytes,
-                "recv_bytes": total_recv_bytes,
-                "tx_kbps": round(tx_kbps, 3),
-                "rx_kbps": round(rx_kbps, 3),
-            },
-            "sessions": {
-                "video": {
-                    "app": video_app,
-                    "kcp": local_sessions["video"]["kcp"],
-                },
-                "control": {
-                    "app": control_app,
-                    "kcp": local_sessions["control"]["kcp"],
-                },
-            },
-            "links": links,
-            "latency_estimate": latency_estimate,
-            "video_freshness": video_receiver_status.get("freshness", {}),
-            "control_ack_status": {
-                **ack_status,
-                "receiver": ack_receiver_status,
-            },
-            "telemetry_receiver": {
-                "hub_connected": bool(telemetry_state.get("connected")),
-                "hub_updated_at": telemetry_state.get("updated_at"),
-                "hub_stale": remote_stale,
-                "last_error": telemetry_state.get("last_error", ""),
-                "peer_id": telemetry_state.get("peer_id", ""),
-                "registered": bool(telemetry_state.get("registered", False)),
-                "last_server_error": str(telemetry_state.get("last_server_error", "") or ""),
-                "reconnect_count": int(telemetry_state.get("reconnect_count", 0)),
-            },
-            "robot_health": robot_health,
-            "ingress": {
-                "native_udp": ingress_status,
-            },
-            "control": {
-                "arbiter": arbiter_status,
-                "sender": sender_status,
-                "ack_receiver": ack_receiver_status,
-            },
-        }
-
-    def close(self) -> None:
-        self._closing.set()
-        thread = self._sample_thread
-        if thread is not None and thread.is_alive():
-            thread.join(timeout=0.5)

backend/monitoring/urls.py

@@ -7,9 +7,7 @@ urlpatterns = [
     path("dashboard/", views.dashboard_snapshot, name="dashboard-snapshot"),
     path("gps/latest/", views.gps_latest, name="gps-latest"),
     path("network/latest/", views.network_latest, name="network-latest"),
-    path("clock/calibrate/", views.clock_calibration, name="clock-calibration"),
     path("video/status/", views.video_status, name="video-status"),
     path("video/frame/", views.video_frame, name="video-frame"),
-    path("video/display-probe/", views.video_display_probe, name="video-display-probe"),
     path("video/stream/", views.video_stream, name="video-stream"),
 ]

backend/monitoring/video.py

@@ -1,751 +0,0 @@
-from __future__ import annotations
-
-from collections import deque
-from dataclasses import dataclass
-import hashlib
-import math
-import struct
-import sys
-import threading
-import time
-from typing import Any, Iterator
-
-from .common import (
-    JPEG_FRAME_DIR,
-    OMNISOCKET_CONFIG_PATH,
-    OMNISOCKET_FRAME_FRESH_SECONDS,
-    JsonlRunLogger,
-    VIDEO_SOURCE_MODE,
-    VIDEO_TIMESTAMP_SAMPLE_SIZE,
-    VIDEO_TRAILER_BYTES,
-    VIDEO_TRAILER_ENDIANNESS,
-    VIDEO_TRAILER_STRUCT,
-    VIDEO_TRAILER_TIMESTAMP_MAX_SKEW_NS,
-    VIDEO_TRAILER_TIMESTAMP_MULTIPLIER_NS,
-    VIDEO_TRAILER_TIMESTAMP_UNIT,
-    WORKSPACE_ROOT,
-    load_omnisocket_config,
-)
-
-
-def safe_kcp_stats(session: Any) -> dict[str, Any]:
-    if session is None or not hasattr(session, "kcp_stats"):
-        return {}
-    try:
-        return dict(session.kcp_stats())
-    except Exception:
-        return {}
-
-
-class VideoDisplayProbeStore:
-    def __init__(self) -> None:
-        self._lock = threading.Lock()
-        self._logger = JsonlRunLogger("BLITZ_A_VIDEO_DISPLAY_PROBE_LOG_PATH", "a-video-display-probe")
-        self._latest: VideoDisplayProbeStatus = VideoDisplayProbeStatus(
-            updated_at=None,
-            frame_seq=None,
-            frame_hash="",
-            input_to_next_fresh_frame_ms=None,
-            input_to_next_changed_frame_ms=None,
-            input_to_next_paint_ms=None,
-            request_to_paint_ms=None,
-            response_to_paint_ms=None,
-            backend_to_request_ms=None,
-            backend_to_request_ms_raw=None,
-            backend_to_paint_ms=None,
-            backend_to_paint_ms_raw=None,
-            browser_backend_clock_offset_ms=None,
-            browser_backend_clock_rtt_ms=None,
-            browser_backend_clock_sample_count=0,
-            browser_backend_clock_calibrated_at=None,
-        )
-
-    def record_event(self, payload: dict[str, Any]) -> None:
-        backend_received_unix_ns = payload.get("backend_received_unix_ns")
-        request_started_unix_ms = payload.get("request_started_unix_ms")
-        response_received_unix_ms = payload.get("response_received_unix_ms")
-        paint_unix_ms = payload.get("paint_unix_ms")
-        browser_backend_clock_offset_ms = self._coerce_float(payload.get("browser_backend_clock_offset_ms"))
-        browser_backend_clock_rtt_ms = self._coerce_float(payload.get("browser_backend_clock_rtt_ms"))
-        browser_backend_clock_sample_count = self._coerce_int(payload.get("browser_backend_clock_sample_count"))
-        browser_backend_clock_calibrated_at = self._coerce_text(payload.get("browser_backend_clock_calibrated_at"))
-        request_to_paint_ms = self._duration_ms(paint_unix_ms, request_started_unix_ms, clamp_floor_zero=True)
-        response_to_paint_ms = self._duration_ms(paint_unix_ms, response_received_unix_ms, clamp_floor_zero=True)
-        backend_received_unix_ms = None
-        try:
-            if backend_received_unix_ns is not None:
-                backend_received_unix_ms = int(backend_received_unix_ns) / 1_000_000.0
-        except (TypeError, ValueError):
-            backend_received_unix_ms = None
-        backend_received_browser_unix_ms = None
-        if backend_received_unix_ms is not None and browser_backend_clock_offset_ms is not None:
-            backend_received_browser_unix_ms = round(backend_received_unix_ms + browser_backend_clock_offset_ms, 3)
-        backend_to_request_ms_raw = self._duration_ms(request_started_unix_ms, backend_received_unix_ms, clamp_floor_zero=False)
-        backend_to_paint_ms_raw = self._duration_ms(paint_unix_ms, backend_received_unix_ms, clamp_floor_zero=False)
-        backend_to_request_ms = self._duration_ms(
-            request_started_unix_ms,
-            backend_received_browser_unix_ms,
-            clamp_floor_zero=True,
-        )
-        backend_to_paint_ms = self._duration_ms(
-            paint_unix_ms,
-            backend_received_browser_unix_ms,
-            clamp_floor_zero=True,
-        )
-
-        status = VideoDisplayProbeStatus(
-            updated_at=self._coerce_text(payload.get("updated_at")),
-            frame_seq=int(payload["frame_seq"]) if payload.get("frame_seq") is not None else None,
-            frame_hash=str(payload.get("frame_hash") or ""),
-            input_to_next_fresh_frame_ms=self._coerce_float(payload.get("input_to_next_fresh_frame_ms")),
-            input_to_next_changed_frame_ms=self._coerce_float(payload.get("input_to_next_changed_frame_ms")),
-            input_to_next_paint_ms=self._coerce_float(payload.get("input_to_next_paint_ms")),
-            request_to_paint_ms=request_to_paint_ms,
-            response_to_paint_ms=response_to_paint_ms,
-            backend_to_request_ms=backend_to_request_ms,
-            backend_to_request_ms_raw=backend_to_request_ms_raw,
-            backend_to_paint_ms=backend_to_paint_ms,
-            backend_to_paint_ms_raw=backend_to_paint_ms_raw,
-            browser_backend_clock_offset_ms=browser_backend_clock_offset_ms,
-            browser_backend_clock_rtt_ms=browser_backend_clock_rtt_ms,
-            browser_backend_clock_sample_count=browser_backend_clock_sample_count,
-            browser_backend_clock_calibrated_at=browser_backend_clock_calibrated_at,
-        )
-        logged_payload = dict(payload)
-        logged_payload.update(
-            {
-                "request_to_paint_ms": request_to_paint_ms,
-                "response_to_paint_ms": response_to_paint_ms,
-                "backend_received_browser_unix_ms": backend_received_browser_unix_ms,
-                "backend_to_request_ms": backend_to_request_ms,
-                "backend_to_request_ms_raw": backend_to_request_ms_raw,
-                "backend_to_paint_ms": backend_to_paint_ms,
-                "backend_to_paint_ms_raw": backend_to_paint_ms_raw,
-            }
-        )
-        with self._lock:
-            self._latest = status
-        self._logger.write(logged_payload)
-
-    def get_status(self) -> dict[str, Any]:
-        with self._lock:
-            latest = self._latest
-        return {
-            "updated_at": latest.updated_at,
-            "frame_seq": latest.frame_seq,
-            "frame_hash": latest.frame_hash,
-            "input_to_next_fresh_frame_ms": latest.input_to_next_fresh_frame_ms,
-            "input_to_next_changed_frame_ms": latest.input_to_next_changed_frame_ms,
-            "input_to_next_paint_ms": latest.input_to_next_paint_ms,
-            "request_to_paint_ms": latest.request_to_paint_ms,
-            "response_to_paint_ms": latest.response_to_paint_ms,
-            "backend_to_request_ms": latest.backend_to_request_ms,
-            "backend_to_request_ms_raw": latest.backend_to_request_ms_raw,
-            "backend_to_paint_ms": latest.backend_to_paint_ms,
-            "backend_to_paint_ms_raw": latest.backend_to_paint_ms_raw,
-            "browser_backend_clock_offset_ms": latest.browser_backend_clock_offset_ms,
-            "browser_backend_clock_rtt_ms": latest.browser_backend_clock_rtt_ms,
-            "browser_backend_clock_sample_count": latest.browser_backend_clock_sample_count,
-            "browser_backend_clock_calibrated_at": latest.browser_backend_clock_calibrated_at,
-        }
-
-    def close(self) -> None:
-        self._logger.close()
-
-    @staticmethod
-    def _coerce_float(value: Any) -> float | None:
-        try:
-            if value is None:
-                return None
-            return round(float(value), 3)
-        except (TypeError, ValueError):
-            return None
-
-    @staticmethod
-    def _coerce_int(value: Any) -> int:
-        try:
-            if value is None:
-                return 0
-            return int(value)
-        except (TypeError, ValueError):
-            return 0
-
-    @staticmethod
-    def _coerce_text(value: Any) -> str | None:
-        text = str(value or "").strip()
-        return text or None
-
-    @classmethod
-    def _duration_ms(cls, end_ms: Any, start_ms: Any, *, clamp_floor_zero: bool) -> float | None:
-        end_value = cls._coerce_float(end_ms)
-        start_value = cls._coerce_float(start_ms)
-        if end_value is None or start_value is None:
-            return None
-        delta = round(end_value - start_value, 3)
-        if clamp_floor_zero:
-            delta = max(0.0, delta)
-        return delta
-
-
-@dataclass(frozen=True)
-class FrameTrailerMetadata:
-    timestamp_ns: int
-    latitude: float | None
-    longitude: float | None
-    capture_to_send_ms: int
-    raw_latitude_hex: str
-    raw_longitude_hex: str
-    received_at: float
-
-    @property
-    def has_gps_fix(self) -> bool:
-        return self.latitude is not None and self.longitude is not None
-
-
-@dataclass(frozen=True)
-class VideoDisplayProbeStatus:
-    updated_at: str | None
-    frame_seq: int | None
-    frame_hash: str
-    input_to_next_fresh_frame_ms: float | None
-    input_to_next_changed_frame_ms: float | None
-    input_to_next_paint_ms: float | None
-    request_to_paint_ms: float | None
-    response_to_paint_ms: float | None
-    backend_to_request_ms: float | None
-    backend_to_request_ms_raw: float | None
-    backend_to_paint_ms: float | None
-    backend_to_paint_ms_raw: float | None
-    browser_backend_clock_offset_ms: float | None
-    browser_backend_clock_rtt_ms: float | None
-    browser_backend_clock_sample_count: int
-    browser_backend_clock_calibrated_at: str | None
-
-
-class OmniSocketVideoReceiver:
-    def __init__(self) -> None:
-        self._lock = threading.Lock()
-        self._thread: threading.Thread | None = None
-        self._started = False
-        self._session = None
-        self._session_cls = None
-        self._binary_msg_type = None
-        self._video_defaults: dict[str, Any] = {}
-        self._latest_frame: bytes | None = None
-        self._latest_received_at = 0.0
-        self._latest_backend_received_unix_ns = 0
-        self._latest_backend_received_mono_ns = 0
-        self._latest_sequence: int | None = None
-        self._latest_metadata: FrameTrailerMetadata | None = None
-        self._latest_sender_clock_delta_ms_raw: float | None = None
-        self._latest_timestamp_unit: str | None = None
-        self._latest_timestamp_endianness: str | None = None
-        self._sender_clock_delta_samples_ms_raw: deque[float] = deque(maxlen=VIDEO_TIMESTAMP_SAMPLE_SIZE)
-        self._latest_frame_hash = ""
-        self._latest_frame_bytes = 0
-        self._last_frame_hash = ""
-        self._last_sequence: int | None = None
-        self._last_backend_received_mono_ns = 0
-        self._interarrival_ms_samples: deque[float] = deque(maxlen=120)
-        self._repeat_samples: deque[int] = deque(maxlen=120)
-        self._skip_samples: deque[int] = deque(maxlen=120)
-        self._freeze_samples_ms: deque[float] = deque(maxlen=120)
-        self._current_stale_frame_run_length = 0
-        self._latest_remote_video_srtt_ms: int | None = None
-        self._frames_received = 0
-        self._last_error = ""
-        self._reconnect_count = 0
-        self._ever_connected = False
-        self._closing = threading.Event()
-        self._frame_recv_logger = JsonlRunLogger("BLITZ_A_VIDEO_FRAME_RECV_LOG_PATH", "a-video-frame-recv")
-        self._load_backend()
-
-    def _load_backend(self) -> None:
-        try:
-            self._import_backend()
-        except Exception as error:  # pragma: no cover - optional runtime dependency
-            self._last_error = f"omnisocket import failed: {error}"
-
-    def _import_backend(self) -> None:
-        try:
-            from omnisocket import MSG_TYPE_BINARY, Session, VIDEO_DEFAULTS  # type: ignore
-        except ImportError:
-            python_dir = WORKSPACE_ROOT / "OmniSocketGo" / "python"
-            if python_dir.exists():
-                sys.path.insert(0, str(python_dir))
-            from omnisocket import MSG_TYPE_BINARY, Session, VIDEO_DEFAULTS  # type: ignore
-
-        self._binary_msg_type = MSG_TYPE_BINARY
-        self._session_cls = Session
-        self._video_defaults = dict(VIDEO_DEFAULTS)
-
-    def ensure_started(self) -> None:
-        if self._session_cls is None or self._binary_msg_type is None:
-            return
-
-        with self._lock:
-            if self._started or self._closing.is_set():
-                return
-            self._started = True
-            self._thread = threading.Thread(
-                target=self._run,
-                name="omnisocket-video-receiver",
-                daemon=True,
-            )
-            self._thread.start()
-
-    def _connect_session(self):
-        assert self._session_cls is not None
-
-        config = load_omnisocket_config()
-        transport_cfg = config.get("transport", {})
-        video_cfg = config.get("video_receiver", {})
-
-        session = self._session_cls()
-        session.connect(
-            server_addr=str(transport_cfg.get("server_addr", "127.0.0.1:10909")),
-            peer_id=str(video_cfg.get("peer_id", "peer-a-video")),
-            relay_via=str(transport_cfg.get("relay_via", "")),
-            bind_ip=str(transport_cfg.get("bind_ip", "")),
-            bind_device=str(transport_cfg.get("bind_device", "")),
-            **self._video_defaults,
-        )
-        return session, int(video_cfg.get("buffer_bytes", 1024 * 1024))
-
-    def _extract_jpeg_payload(self, frame: bytes) -> bytes | None:
-        if frame.startswith(b"\xff\xd8"):
-            return frame
-        if len(frame) > 8 and frame[8:10] == b"\xff\xd8":
-            return frame[8:]
-        return None
-
-    def _split_jpeg_frame_and_trailer(self, frame: bytes) -> tuple[bytes, bytes] | None:
-        jpeg_payload = self._extract_jpeg_payload(frame)
-        if jpeg_payload is None:
-            return None
-
-        if jpeg_payload.endswith(b"\xff\xd9"):
-            return jpeg_payload, b""
-
-        if (
-            len(jpeg_payload) >= VIDEO_TRAILER_BYTES + 2
-            and jpeg_payload[-(VIDEO_TRAILER_BYTES + 2) : -VIDEO_TRAILER_BYTES] == b"\xff\xd9"
-        ):
-            return jpeg_payload[:-VIDEO_TRAILER_BYTES], jpeg_payload[-VIDEO_TRAILER_BYTES:]
-
-        eoi_index = jpeg_payload.rfind(b"\xff\xd9")
-        if eoi_index < 0:
-            return jpeg_payload, b""
-
-        trailer_start = eoi_index + 2
-        return jpeg_payload[:trailer_start], jpeg_payload[trailer_start:]
-
-    def _extract_jpeg_frame(self, frame: bytes) -> bytes | None:
-        split_payload = self._split_jpeg_frame_and_trailer(frame)
-        if split_payload is None:
-            return None
-        jpeg_frame, _ = split_payload
-        return jpeg_frame
-
-    def _extract_sequence(self, frame: bytes) -> int | None:
-        if len(frame) >= 8 and not frame.startswith(b"\xff\xd8"):
-            return int.from_bytes(frame[:8], "big")
-        return None
-
-    def _extract_frame_tail(self, frame: bytes) -> bytes:
-        split_payload = self._split_jpeg_frame_and_trailer(frame)
-        if split_payload is None:
-            return b""
-        _, trailer = split_payload
-        return trailer
-
-    def _extract_frame_metadata(self, frame: bytes, received_at: float | None = None) -> FrameTrailerMetadata | None:
-        trailer = self._extract_frame_tail(frame)
-        if len(trailer) != VIDEO_TRAILER_BYTES:
-            return None
-
-        try:
-            timestamp_ms, latitude, longitude, capture_to_send_ms = VIDEO_TRAILER_STRUCT.unpack(trailer)
-        except struct.error:
-            return None
-
-        if timestamp_ms <= 0:
-            return None
-
-        timestamp_ns = timestamp_ms * VIDEO_TRAILER_TIMESTAMP_MULTIPLIER_NS
-        if abs(time.time_ns() - timestamp_ns) > VIDEO_TRAILER_TIMESTAMP_MAX_SKEW_NS:
-            return None
-
-        gps_fix_available = (
-            math.isfinite(latitude)
-            and math.isfinite(longitude)
-            and (-90.0 <= latitude <= 90.0)
-            and (-180.0 <= longitude <= 180.0)
-            and not (abs(latitude) < 1e-9 and abs(longitude) < 1e-9)
-        )
-
-        return FrameTrailerMetadata(
-            timestamp_ns=timestamp_ns,
-            latitude=latitude if gps_fix_available else None,
-            longitude=longitude if gps_fix_available else None,
-            capture_to_send_ms=int(capture_to_send_ms),
-            raw_latitude_hex=trailer[8:16].hex(),
-            raw_longitude_hex=trailer[16:24].hex(),
-            received_at=received_at if received_at is not None else time.time(),
-        )
-
-    def _has_fresh_frame_locked(self) -> bool:
-        return self._latest_frame is not None and (
-            time.time() - self._latest_received_at <= OMNISOCKET_FRAME_FRESH_SECONDS
-        )
-
-    def update_remote_video_srtt(self, srtt_ms: int | None) -> None:
-        with self._lock:
-            self._latest_remote_video_srtt_ms = srtt_ms
-
-    def _freshness_payload_locked(self) -> dict[str, Any]:
-        interarrival_samples = list(self._interarrival_ms_samples)
-        repeat_samples = list(self._repeat_samples)
-        skip_samples = list(self._skip_samples)
-        freeze_samples_ms = list(self._freeze_samples_ms)
-
-        inter_frame_avg_ms = round(sum(interarrival_samples) / len(interarrival_samples), 3) if interarrival_samples else None
-        if interarrival_samples:
-            ordered = sorted(interarrival_samples)
-            p95_index = min(len(ordered) - 1, max(0, math.ceil(len(ordered) * 0.95) - 1))
-            inter_frame_p95_ms = round(ordered[p95_index], 3)
-        else:
-            inter_frame_p95_ms = None
-
-        repeated_frame_ratio = round(sum(repeat_samples) / len(repeat_samples), 4) if repeat_samples else 0.0
-        total_skip = sum(skip_samples)
-        expected_frames = len(skip_samples) + total_skip
-        skip_ratio = round(total_skip / expected_frames, 4) if expected_frames > 0 else 0.0
-        longest_freeze_ms = round(max(freeze_samples_ms), 3) if freeze_samples_ms else 0.0
-        return {
-            "inter_frame_avg_ms": inter_frame_avg_ms,
-            "inter_frame_p95_ms": inter_frame_p95_ms,
-            "repeated_frame_ratio": repeated_frame_ratio,
-            "skip_ratio": skip_ratio,
-            "longest_freeze_ms": longest_freeze_ms,
-            "stale_frame_run_length": self._current_stale_frame_run_length,
-            "relative_freshness_lag_frames": self._current_stale_frame_run_length + (skip_samples[-1] if skip_samples else 0),
-        }
-
-    def _frame_headers_locked(self) -> dict[str, str]:
-        capture_to_send_ms = self._latest_metadata.capture_to_send_ms if self._latest_metadata is not None else None
-        headers: dict[str, str] = {}
-        if self._latest_sequence is not None:
-            headers["X-Blitz-Frame-Seq"] = str(self._latest_sequence)
-        if self._latest_backend_received_unix_ns > 0:
-            headers["X-Blitz-Backend-Received-Unix-Ns"] = str(self._latest_backend_received_unix_ns)
-        if self._latest_frame_hash:
-            headers["X-Blitz-Frame-Hash"] = self._latest_frame_hash
-        if capture_to_send_ms is not None:
-            headers["X-Blitz-BSide-Capture-To-Send-Ms"] = str(capture_to_send_ms)
-        return headers
-
-    def get_latest_frame_headers(self) -> dict[str, str]:
-        snapshot = self.get_latest_frame_snapshot()
-        return snapshot[1] if snapshot is not None else {}
-
-    def _run(self) -> None:
-        while not self._closing.is_set():
-            try:
-                session, buffer_bytes = self._connect_session()
-                with self._lock:
-                    self._session = session
-                    self._last_error = ""
-                    if self._ever_connected:
-                        self._reconnect_count += 1
-                    else:
-                        self._ever_connected = True
-                buffer = bytearray(buffer_bytes)
-
-                while not self._closing.is_set():
-                    meta = session.recv_into(buffer, timeout_ms=1000)
-                    if meta is None:
-                        continue
-                    if meta.get("msg_type") != self._binary_msg_type:
-                        continue
-
-                    frame = bytes(buffer[: meta["body_len"]])
-                    jpeg_frame = self._extract_jpeg_frame(frame)
-                    if jpeg_frame is None:
-                        self._last_error = "received non-JPEG binary frame"
-                        continue
-
-                    received_at = time.time()
-                    received_unix_ns = time.time_ns()
-                    received_mono_ns = time.monotonic_ns()
-                    frame_metadata = self._extract_frame_metadata(frame, received_at=received_at)
-                    sender_clock_delta_ms_raw = None
-                    if frame_metadata is not None:
-                        sender_clock_delta_ms_raw = round((received_unix_ns - frame_metadata.timestamp_ns) / 1_000_000, 3)
-                        unit = VIDEO_TRAILER_TIMESTAMP_UNIT
-                        endianness = VIDEO_TRAILER_ENDIANNESS
-                    else:
-                        unit = None
-                        endianness = None
-                    frame_sequence = self._extract_sequence(frame)
-                    frame_hash = hashlib.blake2s(jpeg_frame, digest_size=8).hexdigest()
-                    local_kcp = safe_kcp_stats(session) if self._frame_recv_logger.enabled else {}
-                    frame_log_record: dict[str, Any] | None = None
-
-                    with self._lock:
-                        interarrival_ms = None
-                        if self._last_backend_received_mono_ns > 0:
-                            interarrival_ms = round((received_mono_ns - self._last_backend_received_mono_ns) / 1_000_000, 3)
-                            self._interarrival_ms_samples.append(interarrival_ms)
-
-                        sequence_gap = 0
-                        if frame_sequence is not None and self._last_sequence is not None and frame_sequence > self._last_sequence:
-                            sequence_gap = max(0, frame_sequence - self._last_sequence - 1)
-
-                        repeat_flag = bool(self._last_frame_hash) and frame_hash == self._last_frame_hash
-                        self._repeat_samples.append(1 if repeat_flag else 0)
-                        self._skip_samples.append(sequence_gap)
-                        if repeat_flag:
-                            self._current_stale_frame_run_length += 1
-                        else:
-                            self._current_stale_frame_run_length = 0
-                        if interarrival_ms is not None and repeat_flag:
-                            self._freeze_samples_ms.append(interarrival_ms)
-                        elif interarrival_ms is not None:
-                            self._freeze_samples_ms.append(0.0)
-
-                        self._latest_frame = jpeg_frame
-                        self._latest_received_at = received_at
-                        self._latest_backend_received_unix_ns = received_unix_ns
-                        self._latest_backend_received_mono_ns = received_mono_ns
-                        self._latest_sequence = frame_sequence
-                        self._last_sequence = frame_sequence
-                        self._latest_metadata = frame_metadata
-                        self._latest_sender_clock_delta_ms_raw = sender_clock_delta_ms_raw
-                        self._latest_timestamp_unit = unit
-                        self._latest_timestamp_endianness = endianness
-                        self._latest_frame_hash = frame_hash
-                        self._latest_frame_bytes = len(jpeg_frame)
-                        self._last_frame_hash = frame_hash
-                        self._last_backend_received_mono_ns = received_mono_ns
-                        if sender_clock_delta_ms_raw is not None:
-                            self._sender_clock_delta_samples_ms_raw.append(sender_clock_delta_ms_raw)
-                        self._frames_received += 1
-
-                        if self._frame_recv_logger.enabled:
-                            frame_log_record = {
-                                "ts_unix_nano": received_unix_ns,
-                                "frame_seq": frame_sequence,
-                                "backend_received_unix_ns": received_unix_ns,
-                                "backend_received_mono_ns": received_mono_ns,
-                                "jpeg_bytes": len(jpeg_frame),
-                                "interarrival_ms": interarrival_ms,
-                                "sequence_gap": sequence_gap,
-                                "repeat_flag": repeat_flag,
-                                "skip_count": sequence_gap,
-                                "frame_hash": frame_hash,
-                                "a_to_d_video_srtt_ms": local_kcp.get("srtt_ms"),
-                                "d_to_b_video_srtt_ms": self._latest_remote_video_srtt_ms,
-                                "b_side_capture_to_send_ms": frame_metadata.capture_to_send_ms if frame_metadata is not None else None,
-                                "sender_clock_delta_ms_raw": sender_clock_delta_ms_raw,
-                            }
-                    if frame_log_record is not None:
-                        self._frame_recv_logger.write(frame_log_record)
-            except Exception as error:  # pragma: no cover - runtime integration path
-                if not self._closing.is_set():
-                    session_error = ""
-                    if self._session is not None:
-                        try:
-                            session_error = str(dict(self._session.stats()).get("last_server_error", "") or "")
-                        except Exception:
-                            session_error = ""
-                    self._last_error = session_error or str(error)
-                    time.sleep(2)
-            finally:
-                if self._session is not None:
-                    try:
-                        self._session.close()
-                    except Exception:
-                        pass
-                with self._lock:
-                    self._session = None
-                    if self._closing.is_set():
-                        self._started = False
-
-    def get_latest_frame(self) -> bytes | None:
-        snapshot = self.get_latest_frame_snapshot()
-        return snapshot[0] if snapshot is not None else None
-
-    def get_latest_frame_snapshot(self) -> tuple[bytes, dict[str, str]] | None:
-        self.ensure_started()
-        with self._lock:
-            if not self._has_fresh_frame_locked():
-                return None
-            if self._latest_frame is None:
-                return None
-            return self._latest_frame, self._frame_headers_locked()
-
-    def get_latest_frame_metadata(self) -> FrameTrailerMetadata | None:
-        self.ensure_started()
-        with self._lock:
-            if not self._has_fresh_frame_locked():
-                return None
-            return self._latest_metadata
-
-    def session_stats(self) -> dict[str, Any]:
-        self.ensure_started()
-        with self._lock:
-            session = self._session
-        if session is None:
-            return {"connected": 0, "registered": 0, "last_server_error": self._last_error}
-        try:
-            return dict(session.stats())
-        except Exception:
-            return {"connected": 0, "registered": 0, "last_server_error": self._last_error}
-
-    def session_kcp_stats(self) -> dict[str, Any]:
-        self.ensure_started()
-        with self._lock:
-            session = self._session
-        return safe_kcp_stats(session)
-
-    def get_status(self) -> dict[str, Any]:
-        self.ensure_started()
-        config = load_omnisocket_config()
-        transport_cfg = config.get("transport", {})
-        video_cfg = config.get("video_receiver", {})
-        session_stats = self.session_stats()
-        with self._lock:
-            has_recent_frame = self._has_fresh_frame_locked()
-            freshness_status = self._freshness_payload_locked()
-            if has_recent_frame and self._latest_sender_clock_delta_ms_raw is not None:
-                timing_status = {
-                    "available": True,
-                    "sender_clock_delta_ms_raw": self._latest_sender_clock_delta_ms_raw,
-                    "sender_clock_delta_samples_ms_raw": list(reversed(self._sender_clock_delta_samples_ms_raw)),
-                    "sample_count": len(self._sender_clock_delta_samples_ms_raw),
-                    "sample_window_size": VIDEO_TIMESTAMP_SAMPLE_SIZE,
-                    "timestamp_unit": self._latest_timestamp_unit,
-                    "timestamp_endianness": self._latest_timestamp_endianness,
-                    "unsynced_clock": True,
-                }
-            else:
-                timing_status = {
-                    "available": False,
-                    "sender_clock_delta_ms_raw": None,
-                    "sender_clock_delta_samples_ms_raw": [],
-                    "sample_count": 0,
-                    "sample_window_size": VIDEO_TIMESTAMP_SAMPLE_SIZE,
-                    "timestamp_unit": None,
-                    "timestamp_endianness": None,
-                    "unsynced_clock": True,
-                }
-            return {
-                "backend_ready": self._session_cls is not None,
-                "mode": VIDEO_SOURCE_MODE,
-                "connected": self._session is not None,
-                "registered": bool(session_stats.get("registered", 0)),
-                "has_recent_frame": has_recent_frame,
-                "frames_received": self._frames_received,
-                "latest_sequence": self._latest_sequence,
-                "latest_frame_hash": self._latest_frame_hash,
-                "latest_backend_received_unix_ns": self._latest_backend_received_unix_ns or None,
-                "latest_backend_received_mono_ns": self._latest_backend_received_mono_ns or None,
-                "latest_frame_bytes": self._latest_frame_bytes,
-                "latest_capture_to_send_ms": self._latest_metadata.capture_to_send_ms if self._latest_metadata is not None else None,
-                "reconnect_count": self._reconnect_count,
-                "last_server_error": str(session_stats.get("last_server_error", "") or ""),
-                "last_error": self._last_error,
-                "config_path": str(OMNISOCKET_CONFIG_PATH),
-                "server_addr": str(transport_cfg.get("server_addr", "")),
-                "relay_via": str(transport_cfg.get("relay_via", "")),
-                "peer_id": str(video_cfg.get("peer_id", "")),
-                "buffer_bytes": int(video_cfg.get("buffer_bytes", 0)),
-                "timing": timing_status,
-                "freshness": freshness_status,
-            }
-
-    def close(self) -> None:
-        self._closing.set()
-        with self._lock:
-            session = self._session
-        if session is not None:
-            try:
-                session.close()
-            except Exception:
-                pass
-        thread = self._thread
-        if thread is not None and thread.is_alive():
-            thread.join(timeout=0.5)
-        self._frame_recv_logger.close()
-
-
-class VideoFrameService:
-    def __init__(self, receiver: OmniSocketVideoReceiver, display_probe_store: VideoDisplayProbeStore) -> None:
-        self._receiver = receiver
-        self._display_probe_store = display_probe_store
-
-    def get_status(self) -> dict[str, Any]:
-        receiver_status = self._receiver.get_status()
-        receiver_frame = self._receiver.get_latest_frame()
-        display_probe_status = self._display_probe_store.get_status()
-
-        if receiver_frame is not None:
-            return {
-                "available": True,
-                "source_mode": "omnisocket-jpeg-live",
-                "frame_count": receiver_status["frames_received"],
-                "fps": 30,
-                "frame_dir": str(JPEG_FRAME_DIR),
-                "source_detail": f"peer stream active, frames={receiver_status['frames_received']}",
-                "receiver": receiver_status,
-                "timing": receiver_status["timing"],
-                "freshness": receiver_status.get("freshness", {}),
-                "display_probe": display_probe_status,
-            }
-
-        wait_detail = receiver_status["last_error"] or (
-            "waiting for live OmniSocket JPEG frames; check the hub, sender, and receiver configuration"
-        )
-        return {
-            "available": False,
-            "source_mode": "omnisocket-waiting",
-            "frame_count": receiver_status["frames_received"],
-            "fps": 30,
-            "frame_dir": str(JPEG_FRAME_DIR),
-            "source_detail": wait_detail,
-            "receiver": receiver_status,
-            "timing": receiver_status["timing"],
-            "freshness": receiver_status.get("freshness", {}),
-            "display_probe": display_probe_status,
-        }
-
-    def get_next_frame(self) -> bytes:
-        receiver_frame = self._receiver.get_latest_frame()
-        if receiver_frame is not None:
-            return receiver_frame
-        raise RuntimeError("no live OmniSocket JPEG frame is currently available")
-
-    def get_next_frame_with_headers(self) -> tuple[bytes, dict[str, str]]:
-        snapshot = self._receiver.get_latest_frame_snapshot()
-        if snapshot is not None:
-            return snapshot
-        raise RuntimeError("no live OmniSocket JPEG frame is currently available")
-
-    def get_latest_frame_headers(self) -> dict[str, str]:
-        return self._receiver.get_latest_frame_headers()
-
-    def record_display_probe(self, payload: dict[str, Any]) -> None:
-        self._display_probe_store.record_event(payload)
-
-    def iter_mjpeg(self, fps: float = 6.0) -> Iterator[bytes]:
-        frame_interval = 1.0 / max(1.0, min(fps, 30.0))
-        while True:
-            frame = self.get_next_frame()
-            header = (
-                b"--frame\r\n"
-                b"Content-Type: image/jpeg\r\n"
-                + f"Content-Length: {len(frame)}\r\n\r\n".encode("ascii")
-            )
-            yield header + frame + b"\r\n"
-            time.sleep(frame_interval)

backend/monitoring/views.py

@@ -1,9 +1,5 @@
 from __future__ import annotations
 
-import json
-import time
-
-from django.views.decorators.csrf import csrf_exempt
 from django.http import HttpResponse, StreamingHttpResponse
 from rest_framework.decorators import api_view
 from rest_framework.response import Response
@@ -32,40 +28,31 @@ def network_latest(request):
     return Response(network_service.get_latest())
 
 
-@api_view(["GET"])
-def clock_calibration(request):
-    server_received_unix_ns = time.time_ns()
-    server_sent_unix_ns = time.time_ns()
-    response = Response(
-        {
-            "server_received_unix_ms": round(server_received_unix_ns / 1_000_000.0, 3),
-            "server_sent_unix_ms": round(server_sent_unix_ns / 1_000_000.0, 3),
-        }
-    )
-    response["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
-    return response
-
-
 @api_view(["GET"])
 def video_status(request):
     return Response(video_service.get_status())
 
 
 def video_frame(request):
-    try:
-        frame, headers = video_service.get_next_frame_with_headers()
-    except (FileNotFoundError, RuntimeError) as error:
     status = video_service.get_status()
+    if not status["available"]:
         return HttpResponse(
-            status.get("source_detail") or str(error),
+            status.get("source_detail") or f"JPEG frame directory not found: {status['frame_dir']}",
+            status=503,
+            content_type="text/plain; charset=utf-8",
+        )
+
+    try:
+        frame = video_service.get_next_frame()
+    except (FileNotFoundError, RuntimeError) as error:
+        return HttpResponse(
+            str(error),
             status=503,
             content_type="text/plain; charset=utf-8",
         )
 
     response = HttpResponse(frame, content_type="image/jpeg")
     response["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
-    for key, value in headers.items():
-        response[key] = value
     return response
 
 
@@ -89,18 +76,3 @@ def video_stream(request):
     )
     response["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
     return response
-
-
-@csrf_exempt
-@api_view(["POST"])
-def video_display_probe(request):
-    try:
-        payload = json.loads(request.body.decode("utf-8"))
-    except (UnicodeDecodeError, json.JSONDecodeError):
-        return Response({"detail": "invalid json"}, status=400)
-
-    if not isinstance(payload, dict):
-        return Response({"detail": "expected json object"}, status=400)
-
-    video_service.record_display_probe(payload)
-    return Response({"ok": True})

backend/requirements.txt

@@ -0,0 +1,4 @@
+Django>=5,<6
+djangorestframework>=3.15,<4
+django-cors-headers>=4,<5
+channels>=4,<5

config/omnisocket_demo.yaml

@@ -1,6 +1,6 @@
 transport:
   server_addr: ""
-  relay_via: "106.55.173.235:10909"
+  relay_via: 106.55.173.235:10909
   bind_ip: ""
   bind_device: ""
 
@@ -8,25 +8,6 @@ video_receiver:
   peer_id: "peer-a-video"
   buffer_bytes: 1048576
 
-control_sender:
-  peer_id: "peer-a-ctrl"
-  target_peer: "peer-b-ctrl"
-
-control_ack_receiver:
-  peer_id: "peer-a-ctrl-ack"
-  expected_sender: "peer-b-ctrl-ack"
-
-control_ingress:
-  native_udp_bind: "127.0.0.1:10921"
-  source_lease_ms: 300
-  send_rate_hz: 20.0
-  zero_burst_packets: 3
-
-telemetry_receiver:
-  peer_id: "peer-a-telemetry"
-  interval_ms: 500
-  stale_after_ms: 1500
-
 video_sender:
   peer_id: "peer-b-video"
   target_peer: "peer-a-video"

frontend/src/App.vue

@@ -1,17 +1,12 @@
 <script setup lang="ts">
-import { computed } from 'vue'
 import { RouterLink, RouterView } from 'vue-router'
 
-import { useLocale } from '@/lib/locale'
+const navItems = [
-
+  { to: '/', label: '总览' },
-const { t, toggleLocale, nextLocaleLabel } = useLocale()
+  { to: '/video', label: '视频流' },
-
+  { to: '/map', label: '地图定位' },
-const navItems = computed(() => [
+  { to: '/network', label: '网络状态' },
-  { to: '/', label: t('app.nav.overview') },
+]
-  { to: '/video', label: t('app.nav.video') },
-  { to: '/map', label: t('app.nav.map') },
-  { to: '/network', label: t('app.nav.network') },
-])
 </script>
 
 <template>
@@ -20,12 +15,11 @@ const navItems = computed(() => [
       <div class="brand">
         <p class="brand-mark">RCC</p>
         <div>
-          <strong>{{ t('app.brandTitle') }}</strong>
+          <strong>Robot Command Center</strong>
-          <span>{{ t('app.brandSubtitle') }}</span>
+          <span>机器人竞赛指挥台</span>
         </div>
       </div>
 
-      <div class="topbar-actions">
       <nav class="nav">
         <RouterLink
           v-for="item in navItems"
@@ -36,11 +30,6 @@ const navItems = computed(() => [
           {{ item.label }}
         </RouterLink>
       </nav>
-
-        <button type="button" class="locale-button" @click="toggleLocale">
-          {{ nextLocaleLabel }}
-        </button>
-      </div>
     </header>
 
     <main class="page-body">
@@ -74,26 +63,24 @@ const navItems = computed(() => [
 .app-shell {
   width: min(1440px, calc(100% - 32px));
   margin: 0 auto;
-  padding: 0 0 40px;
+  padding: 22px 0 40px;
 }
 
 .topbar {
   position: sticky;
-  top: 0;
+  top: 16px;
-  z-index: 100;
+  z-index: 20;
   display: flex;
   justify-content: space-between;
   align-items: center;
   gap: 20px;
   padding: 14px 18px;
   margin-bottom: 24px;
-  border-radius: 0 0 24px 24px;
+  border-radius: 24px;
-  background: linear-gradient(180deg, #0a1324 0%, #08101d 100%);
+  background: rgba(8, 14, 26, 0.82);
-  border: 1px solid rgba(133, 147, 169, 0.22);
+  border: 1px solid rgba(133, 147, 169, 0.2);
-  border-top: none;
+  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
-  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
+  backdrop-filter: blur(16px);
-  overflow: hidden;
-  isolation: isolate;
 }
 
 :global(.panel) {
@@ -139,14 +126,6 @@ const navItems = computed(() => [
   font-size: 13px;
 }
 
-.topbar-actions {
-  display: flex;
-  align-items: center;
-  gap: 12px;
-  flex-wrap: wrap;
-  justify-content: flex-end;
-}
-
 .nav {
   display: flex;
   gap: 10px;
@@ -154,8 +133,7 @@ const navItems = computed(() => [
   justify-content: flex-end;
 }
 
-.nav-link,
+.nav-link {
-.locale-button {
   padding: 10px 14px;
   border-radius: 999px;
   border: 1px solid rgba(133, 147, 169, 0.18);
@@ -168,8 +146,7 @@ const navItems = computed(() => [
     border-color 0.2s ease;
 }
 
-.nav-link:hover,
+.nav-link:hover {
-.locale-button:hover {
   transform: translateY(-1px);
   background: rgba(25, 38, 66, 0.9);
 }
@@ -181,24 +158,17 @@ const navItems = computed(() => [
   font-weight: 700;
 }
 
-.locale-button {
-  cursor: pointer;
-  font: inherit;
-  font-weight: 700;
-  white-space: nowrap;
-}
-
 .page-body {
   display: grid;
 }
 
 @media (max-width: 960px) {
   .topbar {
+    position: static;
     flex-direction: column;
     align-items: stretch;
   }
 
-  .topbar-actions,
   .nav {
     justify-content: flex-start;
   }
@@ -209,7 +179,6 @@ const navItems = computed(() => [
     width: min(100%, calc(100% - 20px));
   }
 
-  .topbar-actions,
   .nav {
     display: grid;
     grid-template-columns: 1fr;

frontend/src/components/ControlFeedback.vue

@@ -1,544 +0,0 @@
-<script setup lang="ts">
-import { computed } from 'vue'
-
-import { useControlInterface } from '@/composables/useControlInterface'
-import { t } from '@/lib/locale'
-
-const props = withDefaults(defineProps<{
-  compact?: boolean
-}>(), {
-  compact: false,
-})
-
-const {
-  activeSource,
-  activeSourceLabel,
-  commandLabel,
-  controlLimits,
-  controlInputMode,
-  controlInputModeLabel,
-  controlTuning,
-  commandValues,
-  gamepadActive,
-  gamepadButtons,
-  gamepadConnected,
-  gamepadIndex,
-  gamepadLeftStick,
-  gamepadMapping,
-  gamepadName,
-  gamepadRightStick,
-  keyboardActive,
-  keyboardKeys,
-  keyboardTurbo,
-  lastServerMessage,
-  pressedKeysLabel,
-  socketLabel,
-  socketState,
-} = useControlInterface()
-
-const keyClusters = computed(() => {
-  const lookup = new Map(keyboardKeys.value.map((entry) => [entry.code, entry]))
-  return [
-    lookup.get('KeyW'),
-    lookup.get('KeyA'),
-    lookup.get('KeyS'),
-    lookup.get('KeyD'),
-    lookup.get('KeyQ'),
-    lookup.get('KeyE'),
-    lookup.get('ShiftLeft'),
-    lookup.get('Space'),
-  ].filter((entry): entry is NonNullable<typeof entry> => entry != null)
-})
-
-const commandBars = computed(() => [
-  {
-    label: t('controlFeedback.forward'),
-    value: commandValues.value.lx,
-    max: controlLimits.value.forward,
-  },
-  {
-    label: t('controlFeedback.strafe'),
-    value: commandValues.value.ly,
-    max: controlLimits.value.strafe,
-  },
-  {
-    label: t('controlFeedback.turn'),
-    value: commandValues.value.az,
-    max: controlLimits.value.turn,
-  },
-])
-
-const tuningSummary = computed(() =>
-  t('controlFeedback.tuningSummary', {
-    forward: controlTuning.value.forward.toFixed(2),
-    strafe: controlTuning.value.strafe.toFixed(2),
-    turn: controlTuning.value.turn.toFixed(2),
-    turbo: controlTuning.value.turbo.toFixed(2),
-  }),
-)
-
-const gamepadMeta = computed(() => {
-  if (!gamepadConnected.value) {
-    return t('controlFeedback.gamepadHint')
-  }
-  return t('controlFeedback.gamepadMeta', {
-    index: gamepadIndex.value ?? '--',
-    mapping: gamepadMapping.value || t('control.gamepad.unknownMapping'),
-  })
-})
-
-const outgoingCommandText = computed(() => t('controlFeedback.outgoingCommand', { command: commandLabel.value }))
-
-function meterPosition(value: number, max: number) {
-  const normalized = Math.max(-1, Math.min(1, value / max))
-  return `${50 + normalized * 45}%`
-}
-
-function stickOffset(value: number) {
-  return `${value * 22}px`
-}
-</script>
-
-<template>
-  <section class="feedback-shell" :class="{ compact }">
-    <div class="feedback-topline">
-      <div class="headline-stack">
-        <div class="source-chip" :class="activeSource">
-          {{ activeSourceLabel }}
-        </div>
-        <div class="input-chip">
-          {{ t('controlFeedback.modeChip', { mode: controlInputModeLabel }) }}
-        </div>
-      </div>
-      <div class="status-stack">
-        <span class="socket-chip" :class="socketState">{{ socketLabel }}</span>
-        <span class="server-text">{{ lastServerMessage }}</span>
-      </div>
-    </div>
-
-    <div class="command-strip">
-      <div
-        v-for="bar in commandBars"
-        :key="bar.label"
-        class="command-card"
-      >
-        <div class="command-head">
-          <span>{{ bar.label }}</span>
-          <strong>{{ bar.value.toFixed(2) }}</strong>
-        </div>
-        <div class="command-meter">
-          <span class="center-line" />
-          <span class="command-dot" :style="{ left: meterPosition(bar.value, bar.max) }" />
-        </div>
-      </div>
-    </div>
-
-    <p class="summary">
-      {{ tuningSummary }}
-    </p>
-
-    <div class="feedback-grid" :class="{ compact }">
-      <section class="feedback-card">
-        <div class="card-head">
-          <div>
-            <p class="label">{{ t('controlFeedback.keyboard') }}</p>
-            <strong>{{ pressedKeysLabel }}</strong>
-          </div>
-          <span class="mode-chip" :class="{ hot: controlInputMode === 'keyboard' && keyboardActive }">
-            {{ controlInputMode === 'keyboard' ? (keyboardTurbo ? t('common.turbo') : t('common.selected')) : t('common.standby') }}
-          </span>
-        </div>
-
-        <div class="key-grid">
-          <span
-            v-for="key in keyClusters"
-            :key="key.code"
-            class="key-chip"
-            :class="{ active: key.pressed, wide: key.code === 'Space' || key.code === 'ShiftLeft' }"
-          >
-            {{ key.label }}
-          </span>
-        </div>
-      </section>
-
-      <section class="feedback-card">
-        <div class="card-head">
-          <div>
-            <p class="label">{{ t('controlFeedback.gamepad') }}</p>
-            <strong>{{ gamepadConnected ? gamepadName : t('controlFeedback.waitingForController') }}</strong>
-          </div>
-          <span class="mode-chip" :class="{ hot: controlInputMode === 'gamepad' && gamepadActive }">
-            {{
-              gamepadConnected
-                ? controlInputMode === 'gamepad'
-                  ? t('common.selected')
-                  : t('common.standby')
-                : t('common.offline')
-            }}
-          </span>
-        </div>
-
-        <p class="subtle">
-          {{ gamepadMeta }}
-        </p>
-
-        <div class="sticks">
-          <div class="stick-card">
-            <span>{{ t('controlFeedback.leftStick') }}</span>
-            <div class="stick-pad">
-              <span class="crosshair crosshair-x" />
-              <span class="crosshair crosshair-y" />
-              <span
-                class="stick-dot"
-                :style="{
-                  transform: `translate(${stickOffset(gamepadLeftStick.x)}, ${stickOffset(gamepadLeftStick.y)})`,
-                }"
-              />
-            </div>
-          </div>
-
-          <div class="stick-card">
-            <span>{{ t('controlFeedback.rightStick') }}</span>
-            <div class="stick-pad">
-              <span class="crosshair crosshair-x" />
-              <span class="crosshair crosshair-y" />
-              <span
-                class="stick-dot accent"
-                :style="{
-                  transform: `translate(${stickOffset(gamepadRightStick.x)}, ${stickOffset(gamepadRightStick.y)})`,
-                }"
-              />
-            </div>
-          </div>
-        </div>
-
-        <div class="button-grid">
-          <span
-            v-for="button in gamepadButtons"
-            :key="button.label"
-            class="button-chip"
-            :class="{ active: button.pressed }"
-          >
-            {{ button.label }}
-          </span>
-        </div>
-      </section>
-    </div>
-
-    <p v-if="!compact" class="summary accent">
-      {{ outgoingCommandText }}
-    </p>
-  </section>
-</template>
-
-<style scoped>
-.feedback-shell {
-  display: grid;
-  gap: 14px;
-}
-
-.feedback-shell.compact {
-  gap: 12px;
-}
-
-.feedback-topline {
-  display: flex;
-  justify-content: space-between;
-  gap: 12px;
-  align-items: start;
-}
-
-.headline-stack {
-  display: grid;
-  gap: 8px;
-}
-
-.status-stack {
-  display: grid;
-  justify-items: end;
-  gap: 6px;
-  min-width: 0;
-}
-
-.source-chip,
-.input-chip,
-.socket-chip,
-.mode-chip {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  min-height: 28px;
-  padding: 0 12px;
-  border-radius: 999px;
-  font-size: 12px;
-  font-weight: 800;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
-}
-
-.source-chip {
-  background: rgba(78, 224, 168, 0.16);
-  color: #86f0c7;
-}
-
-.source-chip.keyboard {
-  background: rgba(91, 122, 255, 0.18);
-  color: #d3dcff;
-}
-
-.source-chip.gamepad {
-  background: rgba(255, 176, 87, 0.18);
-  color: #ffd8a6;
-}
-
-.source-chip.idle {
-  background: rgba(133, 147, 169, 0.16);
-  color: #cad3e8;
-}
-
-.input-chip {
-  background: rgba(123, 196, 255, 0.14);
-  color: #dff1ff;
-}
-
-.socket-chip {
-  background: rgba(40, 199, 111, 0.16);
-  color: #7ef0b5;
-}
-
-.socket-chip.connecting,
-.socket-chip.closed {
-  background: rgba(255, 176, 87, 0.18);
-  color: #ffd29b;
-}
-
-.server-text {
-  max-width: 320px;
-  color: #aeb9d2;
-  font-size: 12px;
-  text-align: right;
-  line-height: 1.4;
-  word-break: break-word;
-}
-
-.command-strip {
-  display: grid;
-  grid-template-columns: repeat(3, minmax(0, 1fr));
-  gap: 10px;
-}
-
-.command-card,
-.feedback-card {
-  padding: 14px;
-  border-radius: 18px;
-  background: rgba(7, 14, 26, 0.86);
-  border: 1px solid rgba(133, 147, 169, 0.18);
-}
-
-.command-head,
-.card-head {
-  display: flex;
-  justify-content: space-between;
-  gap: 12px;
-  align-items: center;
-}
-
-.command-head span,
-.label {
-  color: #8d99b3;
-  font-size: 12px;
-  text-transform: uppercase;
-  letter-spacing: 0.08em;
-}
-
-.command-head strong,
-.card-head strong {
-  color: #f6f8fc;
-  font-size: 16px;
-}
-
-.command-meter {
-  position: relative;
-  height: 34px;
-  margin-top: 10px;
-  border-radius: 999px;
-  background: linear-gradient(90deg, rgba(255, 99, 99, 0.12), rgba(255, 255, 255, 0.05), rgba(78, 224, 168, 0.14));
-  border: 1px solid rgba(133, 147, 169, 0.16);
-}
-
-.center-line {
-  position: absolute;
-  top: 4px;
-  bottom: 4px;
-  left: 50%;
-  width: 1px;
-  background: rgba(222, 232, 255, 0.28);
-}
-
-.command-dot {
-  position: absolute;
-  top: 50%;
-  width: 16px;
-  height: 16px;
-  border-radius: 50%;
-  background: radial-gradient(circle at 30% 30%, #fdfefe, #63e6a9 62%, #2d8e68 100%);
-  box-shadow: 0 0 16px rgba(99, 230, 169, 0.38);
-  transform: translate(-50%, -50%);
-}
-
-.feedback-grid {
-  display: grid;
-  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
-  gap: 12px;
-}
-
-.feedback-grid.compact {
-  grid-template-columns: 1fr;
-}
-
-.subtle,
-.summary {
-  margin: 0;
-  color: #8d99b3;
-  line-height: 1.6;
-}
-
-.summary.accent {
-  color: #aeb9d2;
-}
-
-.mode-chip {
-  background: rgba(133, 147, 169, 0.14);
-  color: #cad3e8;
-}
-
-.mode-chip.hot {
-  background: rgba(255, 176, 87, 0.18);
-  color: #ffd29b;
-}
-
-.key-grid,
-.button-grid {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 8px;
-  margin-top: 12px;
-}
-
-.key-chip,
-.button-chip {
-  min-width: 44px;
-  min-height: 42px;
-  padding: 0 12px;
-  border-radius: 14px;
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  background: rgba(10, 20, 37, 0.9);
-  border: 1px solid rgba(133, 147, 169, 0.18);
-  color: #dfe7fb;
-  font-size: 13px;
-  font-weight: 700;
-}
-
-.key-chip.wide {
-  min-width: 88px;
-}
-
-.key-chip.active,
-.button-chip.active {
-  background: linear-gradient(135deg, rgba(91, 122, 255, 0.28), rgba(77, 212, 172, 0.28));
-  border-color: rgba(123, 196, 255, 0.6);
-  color: #ffffff;
-  box-shadow: 0 8px 24px rgba(91, 122, 255, 0.22);
-}
-
-.sticks {
-  display: grid;
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-  gap: 12px;
-  margin-top: 12px;
-}
-
-.stick-card {
-  display: grid;
-  gap: 10px;
-}
-
-.stick-card span {
-  color: #aeb9d2;
-  font-size: 12px;
-  text-transform: uppercase;
-  letter-spacing: 0.08em;
-}
-
-.stick-pad {
-  position: relative;
-  width: 84px;
-  height: 84px;
-  border-radius: 24px;
-  border: 1px solid rgba(133, 147, 169, 0.18);
-  background: radial-gradient(circle at center, rgba(91, 122, 255, 0.12), rgba(4, 8, 15, 0.95));
-}
-
-.crosshair {
-  position: absolute;
-  background: rgba(222, 232, 255, 0.18);
-}
-
-.crosshair-x {
-  left: 14px;
-  right: 14px;
-  top: 50%;
-  height: 1px;
-  transform: translateY(-50%);
-}
-
-.crosshair-y {
-  top: 14px;
-  bottom: 14px;
-  left: 50%;
-  width: 1px;
-  transform: translateX(-50%);
-}
-
-.stick-dot {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  width: 18px;
-  height: 18px;
-  margin: -9px 0 0 -9px;
-  border-radius: 50%;
-  background: radial-gradient(circle at 30% 30%, #f8fdff, #63e6a9 58%, #2a7e5f 100%);
-  box-shadow: 0 0 18px rgba(99, 230, 169, 0.35);
-}
-
-.stick-dot.accent {
-  background: radial-gradient(circle at 30% 30%, #fffaf4, #ffb057 58%, #b06d21 100%);
-  box-shadow: 0 0 18px rgba(255, 176, 87, 0.34);
-}
-
-@media (max-width: 960px) {
-  .command-strip,
-  .feedback-grid,
-  .sticks {
-    grid-template-columns: 1fr;
-  }
-
-  .status-stack {
-    justify-items: start;
-  }
-
-  .feedback-topline,
-  .command-head,
-  .card-head {
-    flex-direction: column;
-    align-items: start;
-  }
-
-  .server-text {
-    text-align: left;
-  }
-}
-</style>

frontend/src/components/ControlPanel.vue

@@ -1,323 +0,0 @@
-<script setup lang="ts">
-import { computed } from 'vue'
-
-import ControlFeedback from '@/components/ControlFeedback.vue'
-import { useControlInterface } from '@/composables/useControlInterface'
-import { useLocale } from '@/lib/locale'
-
-const { controlInputMode, controlInputModeLabel, controlTuning, resetControlTuning, setControlInputMode, setControlTuning } =
-  useControlInterface()
-const { t } = useLocale()
-
-const inputModes = computed(() => [
-  { id: 'keyboard', label: t('common.keyboard'), detail: t('controlPanel.keyboardDetail') },
-  { id: 'gamepad', label: t('common.gamepad'), detail: t('controlPanel.gamepadDetail') },
-] as const)
-
-const forwardSpeed = computed({
-  get: () => controlTuning.value.forward,
-  set: (value: number) => setControlTuning({ forward: value }),
-})
-
-const strafeSpeed = computed({
-  get: () => controlTuning.value.strafe,
-  set: (value: number) => setControlTuning({ strafe: value }),
-})
-
-const turnSpeed = computed({
-  get: () => controlTuning.value.turn,
-  set: (value: number) => setControlTuning({ turn: value }),
-})
-
-const turboMultiplier = computed({
-  get: () => controlTuning.value.turbo,
-  set: (value: number) => setControlTuning({ turbo: value }),
-})
-</script>
-
-<template>
-  <section class="panel control-panel">
-    <div class="panel-head">
-      <div>
-        <p class="eyebrow">{{ t('controlPanel.eyebrow') }}</p>
-        <h2>{{ t('controlPanel.title') }}</h2>
-      </div>
-      <button type="button" class="reset-button" @click="resetControlTuning">
-        {{ t('controlPanel.resetDefaults') }}
-      </button>
-    </div>
-
-    <section class="mode-panel">
-      <div class="mode-panel-head">
-        <div>
-          <p class="mode-eyebrow">{{ t('controlPanel.inputModeEyebrow') }}</p>
-          <p class="mode-copy">{{ t('controlPanel.inputModeCopy') }}</p>
-        </div>
-        <strong class="mode-current">{{ controlInputModeLabel }}</strong>
-      </div>
-
-      <div class="mode-toggle" role="radiogroup" :aria-label="t('controlPanel.inputModeEyebrow')">
-        <button
-          v-for="mode in inputModes"
-          :key="mode.id"
-          type="button"
-          class="mode-button"
-          :class="{ active: controlInputMode === mode.id }"
-          :aria-pressed="controlInputMode === mode.id"
-          @click="setControlInputMode(mode.id)"
-        >
-          <strong>{{ mode.label }}</strong>
-          <span>{{ mode.detail }}</span>
-        </button>
-      </div>
-    </section>
-
-    <div class="tuning-grid">
-      <label class="tuning-field">
-        <span>{{ t('controlPanel.forward') }}</span>
-        <input v-model.number="forwardSpeed" type="number" min="0.05" max="3" step="0.05" />
-        <small>m/s</small>
-      </label>
-
-      <label class="tuning-field">
-        <span>{{ t('controlPanel.strafe') }}</span>
-        <input v-model.number="strafeSpeed" type="number" min="0.05" max="3" step="0.05" />
-        <small>m/s</small>
-      </label>
-
-      <label class="tuning-field">
-        <span>{{ t('controlPanel.turn') }}</span>
-        <input v-model.number="turnSpeed" type="number" min="0.05" max="3" step="0.05" />
-        <small>rad/s</small>
-      </label>
-
-      <label class="tuning-field">
-        <span>{{ t('controlPanel.turbo') }}</span>
-        <input v-model.number="turboMultiplier" type="number" min="1" max="3" step="0.1" />
-        <small>x</small>
-      </label>
-    </div>
-
-    <ControlFeedback />
-
-    <p class="hint">
-      {{ t('controlPanel.keyboardHint') }}
-    </p>
-    <p class="hint subtle">
-      {{ t('controlPanel.tuningHint') }}
-    </p>
-    <p class="hint subtle">
-      {{ t('controlPanel.gamepadHint') }}
-    </p>
-  </section>
-</template>
-
-<style scoped>
-.control-panel {
-  display: grid;
-  gap: 16px;
-}
-
-.panel-head {
-  display: flex;
-  justify-content: space-between;
-  gap: 12px;
-  align-items: start;
-}
-
-.reset-button {
-  border: 1px solid rgba(133, 147, 169, 0.28);
-  background: rgba(10, 20, 37, 0.88);
-  color: #dfe7fb;
-  border-radius: 999px;
-  min-height: 36px;
-  padding: 0 14px;
-  font-size: 12px;
-  font-weight: 700;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
-  cursor: pointer;
-}
-
-.reset-button:hover {
-  border-color: rgba(123, 196, 255, 0.48);
-  color: #ffffff;
-}
-
-.eyebrow {
-  margin: 0 0 4px;
-  color: #ffb057;
-  text-transform: uppercase;
-  letter-spacing: 0.12em;
-  font-size: 12px;
-  font-weight: 700;
-}
-
-h2 {
-  margin: 0;
-  font-size: 24px;
-}
-
-.mode-panel {
-  display: grid;
-  gap: 12px;
-  padding: 14px;
-  border-radius: 18px;
-  background: rgba(7, 14, 26, 0.86);
-  border: 1px solid rgba(133, 147, 169, 0.18);
-}
-
-.mode-panel-head {
-  display: flex;
-  justify-content: space-between;
-  gap: 12px;
-  align-items: start;
-}
-
-.mode-eyebrow {
-  margin: 0 0 4px;
-  color: #7bc4ff;
-  text-transform: uppercase;
-  letter-spacing: 0.12em;
-  font-size: 12px;
-  font-weight: 700;
-}
-
-.mode-copy {
-  margin: 0;
-  color: #d5dbee;
-  line-height: 1.6;
-}
-
-.mode-current {
-  display: inline-flex;
-  align-items: center;
-  min-height: 32px;
-  padding: 0 12px;
-  border-radius: 999px;
-  background: rgba(123, 196, 255, 0.14);
-  color: #dff1ff;
-  font-size: 12px;
-  font-weight: 800;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
-}
-
-.mode-toggle {
-  display: grid;
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-  gap: 10px;
-}
-
-.mode-button {
-  display: grid;
-  gap: 6px;
-  min-height: 84px;
-  padding: 14px;
-  border-radius: 16px;
-  border: 1px solid rgba(133, 147, 169, 0.18);
-  background: rgba(10, 20, 37, 0.9);
-  color: #dfe7fb;
-  text-align: left;
-  cursor: pointer;
-  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
-}
-
-.mode-button strong {
-  font-size: 15px;
-}
-
-.mode-button span {
-  color: #96a5c3;
-  font-size: 13px;
-  line-height: 1.5;
-}
-
-.mode-button:hover {
-  border-color: rgba(123, 196, 255, 0.4);
-  transform: translateY(-1px);
-}
-
-.mode-button.active {
-  border-color: rgba(123, 196, 255, 0.6);
-  background: linear-gradient(135deg, rgba(91, 122, 255, 0.24), rgba(77, 212, 172, 0.2));
-  box-shadow: 0 10px 28px rgba(91, 122, 255, 0.18);
-}
-
-.mode-button.active span {
-  color: #d5e7ff;
-}
-
-.tuning-grid {
-  display: grid;
-  grid-template-columns: repeat(4, minmax(0, 1fr));
-  gap: 10px;
-}
-
-.tuning-field {
-  display: grid;
-  gap: 8px;
-  padding: 12px;
-  border-radius: 16px;
-  background: rgba(7, 14, 26, 0.86);
-  border: 1px solid rgba(133, 147, 169, 0.18);
-}
-
-.tuning-field span,
-.tuning-field small {
-  color: #aeb9d2;
-  font-size: 12px;
-  text-transform: uppercase;
-  letter-spacing: 0.08em;
-}
-
-.tuning-field input {
-  width: 100%;
-  min-height: 42px;
-  border-radius: 12px;
-  border: 1px solid rgba(133, 147, 169, 0.24);
-  background: rgba(10, 20, 37, 0.96);
-  color: #f6f8fc;
-  padding: 0 12px;
-  font-size: 16px;
-  font-weight: 700;
-}
-
-.tuning-field input:focus {
-  outline: none;
-  border-color: rgba(123, 196, 255, 0.62);
-  box-shadow: 0 0 0 3px rgba(91, 122, 255, 0.18);
-}
-
-.hint {
-  margin: 0;
-  color: #d5dbee;
-  line-height: 1.7;
-}
-
-.hint.subtle {
-  color: #96a5c3;
-}
-
-@media (max-width: 960px) {
-  .panel-head {
-    flex-direction: column;
-    align-items: start;
-  }
-
-  .mode-panel-head {
-    flex-direction: column;
-  }
-
-  .tuning-grid {
-    grid-template-columns: repeat(2, minmax(0, 1fr));
-  }
-}
-
-@media (max-width: 640px) {
-  .mode-toggle,
-  .tuning-grid {
-    grid-template-columns: 1fr;
-  }
-}
-</style>

frontend/src/components/GpsMapPanel.vue

@@ -1,7 +1,6 @@
 <script setup lang="ts">
 import { computed, onMounted, ref, watch } from 'vue'
 
-import { formatDateTime, useLocale, type MessageKey } from '@/lib/locale'
 import type { GpsTelemetry } from '@/types'
 
 declare global {
@@ -17,19 +16,12 @@ const props = defineProps<{
   gps: GpsTelemetry | null
 }>()
 
-const { locale, t } = useLocale()
-
 const STORAGE_KEY = 'robot_command_center_amap'
 
-type StatusState = {
-  key: MessageKey
-  params?: Record<string, string | number | null | undefined>
-}
-
 const keyInput = ref('')
 const securityCodeInput = ref('')
-const statusState = ref<StatusState>({ key: 'gpsMap.status.waitingInit' })
+const statusText = ref('等待加载高德地图。')
-const amapCoordinateRaw = ref('')
+const amapCoordinateText = ref('暂无')
 const mapElement = ref<HTMLDivElement | null>(null)
 const mapRunning = ref(false)
 
@@ -38,12 +30,6 @@ let mapInstance: any = null
 let marker: any = null
 let infoWindow: any = null
 
-function setStatus(key: MessageKey, params?: Record<string, string | number | null | undefined>) {
-  statusState.value = { key, params }
-}
-
-const statusText = computed(() => t(statusState.value.key, statusState.value.params))
-
 function readSavedCredentials() {
   try {
     const raw = localStorage.getItem(STORAGE_KEY)
@@ -67,10 +53,6 @@ function formatNumber(value: number) {
   return value.toFixed(6)
 }
 
-function formatHexText(value: string | null | undefined) {
-  return value || t('gpsMap.noValue')
-}
-
 async function loadAmapScript(key: string, securityJsCode: string) {
   if (window.AMap) {
     return window.AMap
@@ -87,7 +69,7 @@ async function loadAmapScript(key: string, securityJsCode: string) {
     script.src = `https://webapi.amap.com/maps?v=2.0&key=${encodeURIComponent(key)}`
     script.async = true
     script.onload = () => resolve(window.AMap)
-    script.onerror = () => reject(new Error(t('gpsMap.status.loadFailed')))
+    script.onerror = () => reject(new Error('高德地图脚本加载失败，请检查 Key / jscode 和网络。'))
     document.head.appendChild(script)
   })
 
@@ -108,7 +90,7 @@ function ensureMap() {
 
   marker = new window.AMap.Marker({
     anchor: 'bottom-center',
-    title: t('gpsMap.infoTitle'),
+    title: 'Robot GPS',
   })
 
   infoWindow = new window.AMap.InfoWindow({
@@ -118,7 +100,7 @@ function ensureMap() {
 
 function stopMap() {
   mapRunning.value = false
-  amapCoordinateRaw.value = ''
+  amapCoordinateText.value = '已停止'
 
   if (infoWindow) {
     infoWindow.close()
@@ -142,23 +124,7 @@ function stopMap() {
     mapElement.value.innerHTML = ''
   }
 
-  setStatus('gpsMap.status.stopped')
+  statusText.value = '已停止高德地图加载与坐标转换。需要时再点击“加载地图”即可。'
-}
-
-function buildInfoWindowContent(gps: GpsTelemetry, lat: number, lng: number) {
-  const altitudeText = gps.altitude_m == null ? t('common.unknown') : `${gps.altitude_m} m`
-  return [
-    '<div style="min-width: 240px; padding: 6px 2px; line-height: 1.75; font-size: 13px; color: #152033;">',
-    `<div style="margin-bottom: 8px; font-size: 14px; font-weight: 700; color: #0f172a;">${t('gpsMap.infoTitle')}</div>`,
-    `<div><span style="color: #667085;">${t('gpsMap.wgs84')}:</span> <strong style="color: #0f172a;">${formatNumber(gps.latitude!)}, ${formatNumber(gps.longitude!)}</strong></div>`,
-    `<div><span style="color: #667085;">${t('gpsMap.gcj02')}:</span> <strong style="color: #0f172a;">${formatNumber(lat)}, ${formatNumber(lng)}</strong></div>`,
-    `<div><span style="color: #667085;">${t('gpsMap.rawLatHex')}:</span> <strong style="color: #0f172a;">${formatHexText(gps.raw_latitude_hex)}</strong></div>`,
-    `<div><span style="color: #667085;">${t('gpsMap.rawLonHex')}:</span> <strong style="color: #0f172a;">${formatHexText(gps.raw_longitude_hex)}</strong></div>`,
-    `<div><span style="color: #667085;">${t('gpsMap.utcTime')}:</span> <strong style="color: #0f172a;">${gps.utc_time || '--:--:--'}</strong></div>`,
-    `<div><span style="color: #667085;">${t('gpsMap.infoSatellites')}:</span> <strong style="color: #0f172a;">${gps.satellites ?? t('common.unknown')}</strong></div>`,
-    `<div><span style="color: #667085;">${t('gpsMap.infoAltitude')}:</span> <strong style="color: #0f172a;">${altitudeText}</strong></div>`,
-    '</div>',
-  ].join('')
 }
 
 function updateMap(gps: GpsTelemetry | null) {
@@ -167,10 +133,10 @@ function updateMap(gps: GpsTelemetry | null) {
   }
 
   if (!gps?.has_fix || gps.latitude == null || gps.longitude == null) {
-    amapCoordinateRaw.value = ''
+    amapCoordinateText.value = '暂无'
     marker?.setMap(null)
     infoWindow?.close()
-    setStatus(gps ? 'gpsMap.status.noFix' : 'gpsMap.status.waitingGps')
+    statusText.value = gps ? 'GPS 在线，但当前还没有有效定位。' : '等待 GPS 数据。'
     return
   }
 
@@ -179,7 +145,7 @@ function updateMap(gps: GpsTelemetry | null) {
 
   window.AMap.convertFrom([rawLongitude, rawLatitude], 'gps', (status: string, result: any) => {
     if (status !== 'complete' || !result?.locations?.length) {
-      setStatus('gpsMap.status.convertFailed')
+      statusText.value = 'GPS 坐标转换失败。'
       return
     }
 
@@ -187,14 +153,25 @@ function updateMap(gps: GpsTelemetry | null) {
     const lng = typeof point.getLng === 'function' ? point.getLng() : point.lng
     const lat = typeof point.getLat === 'function' ? point.getLat() : point.lat
 
-    amapCoordinateRaw.value = `${formatNumber(lat)}, ${formatNumber(lng)}`
+    amapCoordinateText.value = `${formatNumber(lat)}, ${formatNumber(lng)}`
     marker.setPosition([lng, lat])
     marker.setMap(mapInstance)
 
-    infoWindow.setContent(buildInfoWindowContent(gps, lat, lng))
+    infoWindow.setContent(
+      [
+        '<div style="min-width: 240px; padding: 6px 2px; line-height: 1.75; font-size: 13px; color: #152033;">',
+        '<div style="margin-bottom: 8px; font-size: 14px; font-weight: 700; color: #0f172a;">Robot GPS 定位</div>',
+        `<div><span style="color: #667085;">原始 WGS84:</span> <strong style="color: #0f172a;">${formatNumber(rawLatitude)}, ${formatNumber(rawLongitude)}</strong></div>`,
+        `<div><span style="color: #667085;">高德 GCJ-02:</span> <strong style="color: #0f172a;">${formatNumber(lat)}, ${formatNumber(lng)}</strong></div>`,
+        `<div><span style="color: #667085;">UTC 时间:</span> <strong style="color: #0f172a;">${gps.utc_time || '--:--:--'}</strong></div>`,
+        `<div><span style="color: #667085;">卫星数:</span> <strong style="color: #0f172a;">${gps.satellites ?? '未知'}</strong></div>`,
+        `<div><span style="color: #667085;">海拔:</span> <strong style="color: #0f172a;">${gps.altitude_m ?? '未知'} m</strong></div>`,
+        '</div>',
+      ].join(''),
+    )
     infoWindow.open(mapInstance, [lng, lat])
     mapInstance.setZoomAndCenter(17, [lng, lat])
-    setStatus('gpsMap.status.refreshedSource', { source: gps.source_mode })
+    statusText.value = `地图已刷新，数据源：${gps.source_mode}`
   })
 }
 
@@ -203,55 +180,47 @@ async function startMap() {
   const securityJsCode = securityCodeInput.value.trim()
 
   if (!key || !securityJsCode) {
-    setStatus('gpsMap.status.fillCredentials')
+    statusText.value = '请先填写高德 Key 和安全密钥 jscode。'
     return
   }
 
-  setStatus('gpsMap.status.loading')
+  statusText.value = '正在加载高德地图...'
 
   try {
     await loadAmapScript(key, securityJsCode)
     ensureMap()
     saveCredentials()
     mapRunning.value = true
-    setStatus('gpsMap.status.loaded')
+    statusText.value = '地图已加载。'
     updateMap(props.gps)
   } catch (error) {
-    setStatus('gpsMap.status.loadFailed')
+    statusText.value = error instanceof Error ? error.message : '地图加载失败。'
-    if (error instanceof Error && error.message) {
-      statusState.value = { key: 'gpsMap.status.loadFailed', params: { message: error.message } }
-    }
   }
 }
 
 const rawCoordinateText = computed(() => {
   if (!props.gps?.has_fix || props.gps.latitude == null || props.gps.longitude == null) {
-    return t('gpsMap.noValidFix')
+    return '暂无有效定位'
   }
+
   return `${formatNumber(props.gps.latitude)}, ${formatNumber(props.gps.longitude)}`
 })
 
-const amapCoordinateText = computed(() => amapCoordinateRaw.value || t('gpsMap.noValue'))
-const rawLatitudeHexText = computed(() => formatHexText(props.gps?.raw_latitude_hex))
-const rawLongitudeHexText = computed(() => formatHexText(props.gps?.raw_longitude_hex))
-
-const coordinateMetaText = computed(() => {
-  if (!props.gps) {
-    return t('gpsMap.noValue')
-  }
-  return `${props.gps.coordinate_system} / ${props.gps.raw_coordinate_format}`
-})
-
 const metaText = computed(() => {
   if (!props.gps) {
-    return t('gpsMap.noValue')
+    return '暂无'
   }
-  const satellites = props.gps.satellites ?? t('common.unknown')
+  const satellites = props.gps.satellites ?? '未知'
-  const altitude = props.gps.altitude_m == null ? t('common.unknown') : `${props.gps.altitude_m} m`
+  const altitude = props.gps.altitude_m == null ? '未知' : `${props.gps.altitude_m} m`
-  return `${satellites} / ${altitude}`
+  return `${satellites} 颗 / ${altitude}`
 })
 
-const updatedAtText = computed(() => formatDateTime(props.gps?.updated_at))
+const updatedAtText = computed(() => {
+  if (!props.gps?.updated_at) {
+    return '暂无'
+  }
+  return new Date(props.gps.updated_at).toLocaleString('zh-CN', { hour12: false })
+})
 
 onMounted(() => {
   const saved = readSavedCredentials()
@@ -259,7 +228,7 @@ onMounted(() => {
     keyInput.value = saved.key ?? ''
     securityCodeInput.value = saved.securityJsCode ?? ''
     if (keyInput.value && securityCodeInput.value) {
-      setStatus('gpsMap.status.restoredConfig')
+      statusText.value = '已恢复高德配置。高德地图不会自动加载，请按需点击“加载地图”。'
     }
   }
 })
@@ -271,76 +240,62 @@ watch(
   },
   { deep: true },
 )
-
-watch(
-  () => locale.value,
-  () => {
-    if (mapRunning.value) {
-      updateMap(props.gps)
-    }
-  },
-)
 </script>
 
 <template>
   <section class="panel map-panel">
     <div class="panel-head">
       <div>
-        <p class="eyebrow">{{ t('gpsMap.eyebrow') }}</p>
+        <p class="eyebrow">GPS</p>
-        <h2>{{ t('gpsMap.title') }}</h2>
+        <h2>地图定位</h2>
       </div>
-      <span class="badge">{{ gps?.source_mode ?? t('common.loading') }}</span>
+      <span class="badge">{{ gps?.source_mode ?? 'loading' }}</span>
     </div>
 
-    <p class="intro">{{ t('gpsMap.intro') }}</p>
+    <p class="intro">
+      这里复用了你原来 `GeoStream/gps_map.html` 的高德地图思路。后端优先读取
+      `GeoStream/gps_latest.json`，所以你运行 `parse_gps.c` 生成数据后，这里会直接接上。
+    </p>
 
     <div class="credentials">
-      <input v-model="keyInput" type="text" :placeholder="t('gpsMap.keyPlaceholder')" />
+      <input v-model="keyInput" type="text" placeholder="高德 Web 端 Key" />
-      <input v-model="securityCodeInput" type="text" :placeholder="t('gpsMap.jscodePlaceholder')" />
+      <input v-model="securityCodeInput" type="text" placeholder="安全密钥 jscode" />
-      <button type="button" @click="startMap">{{ t('gpsMap.loadMap') }}</button>
+      <button type="button" @click="startMap">加载地图</button>
-      <button type="button" class="secondary" @click="stopMap">{{ t('gpsMap.stopMap') }}</button>
+      <button type="button" class="secondary" @click="stopMap">停止加载</button>
     </div>
 
     <div class="status">{{ statusText }}</div>
 
     <div class="details">
       <div class="detail-card">
-        <span>{{ t('gpsMap.wgs84') }}</span>
+        <span>原始 WGS84</span>
         <strong>{{ rawCoordinateText }}</strong>
       </div>
       <div class="detail-card">
-        <span>{{ t('gpsMap.gcj02') }}</span>
+        <span>高德 GCJ-02</span>
         <strong>{{ amapCoordinateText }}</strong>
       </div>
       <div class="detail-card">
-        <span>{{ t('gpsMap.rawLatHex') }}</span>
+        <span>UTC 时间</span>
-        <strong class="mono">{{ rawLatitudeHexText }}</strong>
-      </div>
-      <div class="detail-card">
-        <span>{{ t('gpsMap.rawLonHex') }}</span>
-        <strong class="mono">{{ rawLongitudeHexText }}</strong>
-      </div>
-      <div class="detail-card">
-        <span>{{ t('gpsMap.utcTime') }}</span>
         <strong>{{ gps?.utc_time ?? '--:--:--' }}</strong>
       </div>
       <div class="detail-card">
-        <span>{{ t('gpsMap.satAltitude') }}</span>
+        <span>卫星 / 海拔</span>
         <strong>{{ metaText }}</strong>
       </div>
       <div class="detail-card">
-        <span>{{ t('gpsMap.coordMeta') }}</span>
+        <span>坐标系</span>
-        <strong>{{ coordinateMetaText }}</strong>
+        <strong>{{ gps?.coordinate_system ?? 'WGS84' }}</strong>
       </div>
       <div class="detail-card">
-        <span>{{ t('gpsMap.lastUpdated') }}</span>
+        <span>最近刷新</span>
         <strong>{{ updatedAtText }}</strong>
       </div>
     </div>
 
     <div ref="mapElement" class="map-canvas" :class="{ stopped: !mapRunning }">
       <div v-if="!mapRunning" class="map-placeholder">
-        {{ t('gpsMap.mapPlaceholder') }}
+        高德地图当前未加载。点击上方“加载地图”后才会开始请求地图与坐标转换服务。
       </div>
     </div>
   </section>
@@ -442,11 +397,6 @@ h2 {
   word-break: break-word;
 }
 
-.detail-card strong.mono {
-  font-family: 'JetBrains Mono', 'SFMono-Regular', monospace;
-  font-size: 14px;
-}
-
 .map-canvas {
   position: relative;
   min-height: 420px;

frontend/src/components/NetworkPanel.vue

@@ -1,241 +1,60 @@
 <script setup lang="ts">
 import { computed } from 'vue'
 
-import { formatDateTime, t } from '@/lib/locale'
+import type { NetworkTelemetry } from '@/types'
-import type { LinkSessionTelemetry, LinkTelemetry, NetworkTelemetry } from '@/types'
 
 const props = defineProps<{
   network: NetworkTelemetry | null
 }>()
 
-const legCards = computed(() => [
+const updatedAt = computed(() => {
-  {
+  if (!props.network?.updated_at) {
-    key: 'a_to_d',
+    return '暂无'
-    label: 'A <-> D',
-    data: props.network?.links?.a_to_d ?? null,
-  },
-  {
-    key: 'd_to_b',
-    label: 'D <-> B',
-    data: props.network?.links?.d_to_b ?? null,
-  },
-])
-
-const activeSource = computed(() => formatControlSource(props.network?.active_control_source))
-
-function formatTime(value?: string | null) {
-  return formatDateTime(value)
-}
-
-function formatScalar(value?: number | string | null, suffix = '') {
-  if (value === null || value === undefined || value === '') {
-    return '--'
   }
-  if (typeof value === 'number') {
+  return new Date(props.network.updated_at).toLocaleString('zh-CN', { hour12: false })
-    return `${value.toFixed(1)}${suffix}`
+})
-  }
-  return `${value}${suffix}`
-}
-
-function legSessions(link: LinkTelemetry | null): Array<{ name: string; data: LinkSessionTelemetry | null }> {
-  return [
-    { name: 'control', data: link?.sessions?.control ?? null },
-    { name: 'video', data: link?.sessions?.video ?? null },
-  ]
-}
-
-function formatControlSource(source?: string | null) {
-  if (source === 'keyboard') return t('common.keyboard')
-  if (source === 'gamepad') return t('common.gamepad')
-  return t('common.none')
-}
-
-function formatBoolean(value?: boolean | number | null) {
-  if (value === null || value === undefined) {
-    return t('common.na')
-  }
-  return value ? t('common.yes') : t('common.no')
-}
-
-function formatAckMode(ackAvailable?: boolean) {
-  return ackAvailable ? t('common.ackLoop') : t('common.srttFallback')
-}
-
-function formatStale(stale?: boolean | null) {
-  if (stale == null) {
-    return t('common.na')
-  }
-  return stale ? t('common.stale') : t('common.fresh')
-}
-
-function formatOnline(online?: boolean | null) {
-  if (online == null) {
-    return t('common.na')
-  }
-  return online ? t('common.online') : t('common.idle')
-}
-
-function formatSessionName(name: string) {
-  return name === 'control' ? t('common.control') : t('common.video')
-}
-
-function formatTrend(value?: string | null) {
-  if (value === 'rising') return t('common.rising')
-  if (value === 'falling') return t('common.falling')
-  return t('common.stable')
-}
 </script>
 
 <template>
   <section class="panel network-panel">
     <div class="panel-head">
       <div>
-        <p class="eyebrow">{{ t('networkPanel.eyebrow') }}</p>
+        <p class="eyebrow">Network</p>
-        <h2>{{ t('networkPanel.title') }}</h2>
+        <h2>链路状态</h2>
       </div>
-      <span class="badge" :class="{ stale: network?.telemetry_receiver?.hub_stale }">
+      <span class="badge">{{ network?.peer_status ?? 'loading' }}</span>
-        {{ network?.peer_status ?? t('networkPanel.loadingPeer') }}
-      </span>
     </div>
 
     <div class="stats">
       <div class="stat-card">
-        <span>{{ t('networkPanel.controlLoopRtt') }}</span>
+        <span>延迟</span>
-        <strong>{{ formatScalar(network?.latency_estimate?.control_loop_rtt_ms, ' ms') }}</strong>
+        <strong>{{ network?.latency_ms ?? '--' }} ms</strong>
       </div>
       <div class="stat-card">
-        <span>{{ t('networkPanel.controlToPersist') }}</span>
+        <span>抖动</span>
-        <strong>{{ formatScalar(network?.latency_estimate?.control_to_persist_est_ms, ' ms') }}</strong>
+        <strong>{{ network?.jitter_ms ?? '--' }} ms</strong>
       </div>
       <div class="stat-card">
-        <span>{{ t('networkPanel.controlSrttOneWay') }}</span>
+        <span>Retrans</span>
-        <strong>{{ formatScalar(network?.latency_estimate?.control_oneway_srtt_est_ms, ' ms') }}</strong>
+        <strong>{{ network?.retrans_pct ?? network?.packet_loss_pct ?? '--' }} %</strong>
       </div>
       <div class="stat-card">
-        <span>{{ t('networkPanel.videoOneWayEst') }}</span>
+        <span>信号强度</span>
-        <strong>{{ formatScalar(network?.latency_estimate?.video_network_oneway_est_ms, ' ms') }}</strong>
+        <strong>{{ network?.signal_dbm ?? '--' }} dBm</strong>
       </div>
       <div class="stat-card">
-        <span>{{ t('networkPanel.txRate') }}</span>
+        <span>发送速率</span>
-        <strong>{{ formatScalar(network?.tx_kbps, ' kbps') }}</strong>
+        <strong>{{ network?.tx_kbps ?? '--' }} kbps</strong>
       </div>
       <div class="stat-card">
-        <span>{{ t('networkPanel.rxRate') }}</span>
+        <span>接收速率</span>
-        <strong>{{ formatScalar(network?.rx_kbps, ' kbps') }}</strong>
+        <strong>{{ network?.rx_kbps ?? '--' }} kbps</strong>
       </div>
     </div>
 
-    <div class="summary telemetry-strip">
-      <p><strong>{{ t('networkPanel.robotFault') }}:</strong> {{ network?.robot_health?.fault_reason ?? t('common.na') }}</p>
-      <p><strong>{{ t('networkPanel.recoveryState') }}:</strong> {{ network?.robot_health?.recovery_state ?? t('common.na') }}</p>
-      <p><strong>{{ t('networkPanel.healthConfidence') }}:</strong> {{ network?.robot_health?.confidence ?? t('common.na') }}</p>
-      <p><strong>{{ t('networkPanel.healthUpdated') }}:</strong> {{ formatTime(network?.robot_health?.updated_at) }}</p>
-      <p><strong>{{ t('networkPanel.transport') }}:</strong> {{ network?.transport ?? t('common.na') }} / {{ network?.source_mode ?? t('common.na') }}</p>
-      <p><strong>{{ t('networkPanel.activeControl') }}:</strong> {{ activeSource }}</p>
-      <p><strong>{{ t('networkPanel.lease') }}:</strong> {{ formatScalar(network?.control_lease_remaining_ms, ' ms') }}</p>
-      <p><strong>{{ t('networkPanel.ackMode') }}:</strong> {{ formatAckMode(network?.control_ack_status?.ack_available) }}</p>
-      <p><strong>{{ t('networkPanel.ackUpdated') }}:</strong> {{ formatTime(network?.control_ack_status?.updated_at) }}</p>
-      <p><strong>{{ t('networkPanel.telemetryPeer') }}:</strong> {{ network?.telemetry_receiver?.peer_id ?? t('common.na') }}</p>
-      <p><strong>{{ t('networkPanel.telemetryRegistered') }}:</strong> {{ formatBoolean(network?.telemetry_receiver?.registered) }}</p>
-      <p><strong>{{ t('networkPanel.hubFreshness') }}:</strong> {{ formatTime(network?.telemetry_receiver?.hub_updated_at) }}</p>
-      <p><strong>{{ t('networkPanel.hubState') }}:</strong> {{ formatStale(network?.telemetry_receiver?.hub_stale) }}</p>
-      <p><strong>{{ t('networkPanel.telemetryReconnects') }}:</strong> {{ network?.telemetry_receiver?.reconnect_count ?? 0 }}</p>
-      <p v-if="network?.telemetry_receiver?.last_error"><strong>{{ t('networkPanel.hubError') }}:</strong> {{ network?.telemetry_receiver?.last_error }}</p>
-      <p v-if="network?.telemetry_receiver?.last_server_error"><strong>{{ t('networkPanel.telemetrySessionError') }}:</strong> {{ network?.telemetry_receiver?.last_server_error }}</p>
-    </div>
-
-    <div class="leg-grid">
-      <article v-for="leg in legCards" :key="leg.key" class="leg-card" :class="{ stale: leg.data?.stale }">
-        <div class="leg-head">
-          <div>
-            <p class="leg-label">{{ leg.label }}</p>
-            <h3>{{ leg.data?.source ?? t('common.waiting') }}</h3>
-          </div>
-          <div class="leg-meta">
-            <span class="mini-badge" :class="{ stale: leg.data?.stale }">
-              {{ formatStale(leg.data?.stale) }}
-            </span>
-            <span class="mini-time">{{ formatTime(leg.data?.updated_at) }}</span>
-          </div>
-        </div>
-
-        <div class="aggregate-grid">
-          <div>
-            <span>{{ t('networkPanel.online') }}</span>
-            <strong>{{ leg.data?.aggregate?.online_sessions ?? 0 }}</strong>
-          </div>
-          <div>
-            <span>{{ t('networkPanel.maxPressure') }}</span>
-            <strong>{{ formatScalar(leg.data?.aggregate?.max_window_pressure_pct, '%') }}</strong>
-          </div>
-          <div>
-            <span>{{ t('networkPanel.queued') }}</span>
-            <strong>{{ leg.data?.aggregate?.sum_snd_queue ?? 0 }}</strong>
-          </div>
-          <div>
-            <span>{{ t('networkPanel.inFlightBuffer') }}</span>
-            <strong>{{ leg.data?.aggregate?.sum_snd_buffer ?? 0 }}</strong>
-          </div>
-          <div>
-            <span>{{ t('networkPanel.retransDelta') }}</span>
-            <strong>{{ leg.data?.aggregate?.sum_retrans_delta ?? 0 }}</strong>
-          </div>
-          <div>
-            <span>{{ t('networkPanel.repairRate') }}</span>
-            <strong>{{ formatScalar(leg.data?.aggregate?.repair_rate_pct, '%') }}</strong>
-          </div>
-        </div>
-
-        <div class="session-grid">
-          <section v-for="session in legSessions(leg.data)" :key="session.name" class="session-card">
-            <div class="session-head">
-              <div>
-                <p class="session-label">{{ formatSessionName(session.name) }}</p>
-                <h4>{{ session.data?.peer_id ?? t('networkPanel.unassigned') }}</h4>
-              </div>
-              <span class="mini-badge" :class="{ stale: session.data?.stale, active: session.data?.connected }">
-                {{ formatOnline(session.data?.connected) }}
-              </span>
-            </div>
-
-            <div class="kv-grid">
-              <p><strong>{{ t('networkPanel.updated') }}:</strong> {{ formatTime(session.data?.updated_at) }}</p>
-              <p><strong>{{ t('networkPanel.srtt') }}:</strong> {{ formatScalar(session.data?.kcp?.srtt_ms, ' ms') }}</p>
-              <p><strong>{{ t('networkPanel.rttvar') }}:</strong> {{ formatScalar(session.data?.kcp?.srttvar_ms, ' ms') }}</p>
-              <p><strong>{{ t('networkPanel.rto') }}:</strong> {{ formatScalar(session.data?.kcp?.rto_ms, ' ms') }}</p>
-              <p><strong>{{ t('networkPanel.sndWnd') }}:</strong> {{ formatScalar(session.data?.kcp?.snd_wnd) }}</p>
-              <p><strong>{{ t('networkPanel.rmtWnd') }}:</strong> {{ formatScalar(session.data?.kcp?.rmt_wnd) }}</p>
-              <p><strong>{{ t('networkPanel.inflight') }}:</strong> {{ formatScalar(session.data?.kcp?.inflight) }}</p>
-              <p><strong>{{ t('networkPanel.windowLimit') }}:</strong> {{ formatScalar(session.data?.kcp?.window_limit) }}</p>
-              <p><strong>{{ t('networkPanel.pressure') }}:</strong> {{ formatScalar(session.data?.kcp?.window_pressure_pct, '%') }}</p>
-              <p><strong>{{ t('networkPanel.sndQueue') }}:</strong> {{ formatScalar(session.data?.kcp?.snd_queue) }} / {{ formatTrend(session.data?.trend?.snd_queue_trend) }}</p>
-              <p><strong>{{ t('networkPanel.sndBuffer') }}:</strong> {{ formatScalar(session.data?.kcp?.snd_buffer) }} / {{ formatTrend(session.data?.trend?.snd_buffer_trend) }}</p>
-              <p><strong>{{ t('networkPanel.queueDelta') }}:</strong> {{ formatScalar(session.data?.trend?.snd_queue_delta) }}</p>
-              <p><strong>{{ t('networkPanel.bufferDelta') }}:</strong> {{ formatScalar(session.data?.trend?.snd_buffer_delta) }}</p>
-              <p><strong>{{ t('networkPanel.retrans') }}:</strong> {{ formatScalar(session.data?.trend?.retrans_delta) }}</p>
-              <p><strong>{{ t('networkPanel.fastRetrans') }}:</strong> {{ formatScalar(session.data?.trend?.fast_retrans_delta) }}</p>
-              <p><strong>{{ t('networkPanel.lost') }}:</strong> {{ formatScalar(session.data?.trend?.lost_delta) }}</p>
-              <p><strong>{{ t('networkPanel.repeat') }}:</strong> {{ formatScalar(session.data?.trend?.repeat_delta) }}</p>
-              <p><strong>{{ t('networkPanel.repairRate') }}:</strong> {{ formatScalar(session.data?.trend?.repair_rate_pct, '%') }}</p>
-              <p v-if="session.data?.app"><strong>{{ t('networkPanel.appBytes') }}:</strong> tx={{ session.data.app.send_bytes ?? 0 }} / rx={{ session.data.app.recv_bytes ?? 0 }}</p>
-              <p v-if="session.data?.app"><strong>{{ t('networkPanel.registered') }}:</strong> {{ formatBoolean(session.data.app.registered) }}</p>
-              <p v-if="session.data?.app?.last_server_error"><strong>{{ t('networkPanel.serverError') }}:</strong> {{ session.data.app.last_server_error }}</p>
-            </div>
-          </section>
-        </div>
-      </article>
-    </div>
-
     <div class="summary">
-      <p><strong>{{ t('networkPanel.combined') }}:</strong> sessions={{ network?.combined?.connected_sessions ?? 0 }} send={{ network?.combined?.send_bytes ?? 0 }}B recv={{ network?.combined?.recv_bytes ?? 0 }}B</p>
+      <p><strong>来源：</strong>{{ network?.transport ?? '暂无' }} / {{ network?.source_mode ?? '暂无' }}</p>
-      <p><strong>{{ t('networkPanel.videoE2E') }}:</strong> {{ formatScalar(network?.latency_estimate?.video_e2e_est_ms, ' ms') }} / confidence={{ network?.latency_estimate?.confidence?.video ?? t('common.na') }}</p>
+      <p><strong>刷新：</strong>{{ updatedAt }}</p>
-      <p><strong>{{ t('networkPanel.controlEstimateConfidence') }}:</strong> {{ network?.latency_estimate?.confidence?.control ?? t('common.na') }}</p>
-      <p><strong>{{ t('networkPanel.videoFreshness') }}:</strong> {{ t('networkPanel.videoFreshnessRepeat') }}={{ formatScalar((network?.video_freshness?.repeated_frame_ratio ?? 0) * 100, '%') }} {{ t('networkPanel.videoFreshnessSkip') }}={{ formatScalar((network?.video_freshness?.skip_ratio ?? 0) * 100, '%') }} {{ t('networkPanel.videoFreshnessFreeze') }}={{ formatScalar(network?.video_freshness?.longest_freeze_ms, ' ms') }}</p>
-      <p><strong>{{ t('networkPanel.nativeUdp') }}:</strong> {{ network?.ingress?.native_udp?.bind_addr ?? t('common.na') }} packets={{ network?.ingress?.native_udp?.packets_received ?? 0 }} invalid={{ network?.ingress?.native_udp?.invalid_packets ?? 0 }}</p>
-      <p><strong>{{ t('networkPanel.controlSender') }}:</strong> {{ network?.control?.sender?.peer_id ?? t('common.na') }} -> {{ network?.control?.sender?.target_peer ?? t('common.na') }} sends={{ network?.control?.sender?.send_count ?? 0 }} registered={{ formatBoolean(network?.control?.sender?.registered) }}</p>
-      <p><strong>{{ t('networkPanel.ackReceiver') }}:</strong> {{ network?.control?.ack_receiver?.peer_id ?? t('common.na') }} reconnects={{ network?.control?.ack_receiver?.reconnect_count ?? 0 }}</p>
-      <p><strong>{{ t('networkPanel.controlReconnects') }}:</strong> {{ network?.control?.sender?.reconnect_count ?? 0 }}</p>
-      <p v-if="network?.control?.sender?.last_server_error"><strong>{{ t('networkPanel.controlSessionError') }}:</strong> {{ network?.control?.sender?.last_server_error }}</p>
     </div>
   </section>
 </template>
@@ -243,134 +62,73 @@ function formatTrend(value?: string | null) {
 <style scoped>
 .network-panel {
   display: grid;
-  gap: 18px;
+  gap: 16px;
 }
 
-.panel-head,
+.panel-head {
-.leg-head,
-.session-head {
   display: flex;
   justify-content: space-between;
   gap: 12px;
   align-items: start;
 }
 
-.eyebrow,
+.eyebrow {
-.leg-label,
-.session-label {
   margin: 0 0 4px;
-  color: #5bd3b5;
+  color: #4dd4ac;
   text-transform: uppercase;
-  letter-spacing: 0.14em;
+  letter-spacing: 0.12em;
   font-size: 12px;
   font-weight: 700;
 }
 
-h2,
-h3,
-h4 {
-  margin: 0;
-}
-
 h2 {
+  margin: 0;
   font-size: 24px;
 }
 
-h3 {
-  font-size: 22px;
-}
-
-h4 {
-  font-size: 16px;
-}
-
-.badge,
-.mini-badge {
-  border-radius: 999px;
-  text-transform: uppercase;
-  font-weight: 700;
-}
-
 .badge {
   padding: 8px 12px;
+  border-radius: 999px;
   background: rgba(40, 199, 111, 0.16);
   color: #63e6a9;
   font-size: 12px;
-}
+  font-weight: 700;
-
+  text-transform: uppercase;
-.mini-badge {
-  padding: 6px 10px;
-  background: rgba(91, 211, 181, 0.12);
-  color: #8ff2db;
-  font-size: 11px;
-}
-
-.badge.stale,
-.mini-badge.stale {
-  background: rgba(255, 165, 0, 0.16);
-  color: #ffd08a;
-}
-
-.mini-badge.active {
-  background: rgba(64, 187, 255, 0.16);
-  color: #98dcff;
-}
-
-.stats,
-.leg-grid,
-.session-grid,
-.aggregate-grid,
-.kv-grid {
-  display: grid;
-  gap: 12px;
 }
 
 .stats {
+  display: grid;
   grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 12px;
 }
 
-.leg-grid {
+.stat-card {
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-}
-
-.session-grid {
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-}
-
-.aggregate-grid {
-  grid-template-columns: repeat(3, minmax(0, 1fr));
-}
-
-.kv-grid {
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-}
-
-.stat-card,
-.summary,
-.leg-card,
-.session-card {
   padding: 14px;
-  border-radius: 18px;
+  border-radius: 16px;
-  background: rgba(7, 14, 26, 0.8);
+  background: rgba(7, 14, 26, 0.78);
   border: 1px solid rgba(133, 147, 169, 0.2);
-  color: #d5dbee;
 }
 
-.stat-card span,
+.stat-card span {
-.aggregate-grid span {
   display: block;
   margin-bottom: 8px;
   color: #8d99b3;
   font-size: 12px;
 }
 
-.stat-card strong,
+.stat-card strong {
-.aggregate-grid strong {
   font-size: 22px;
 }
 
-.summary p,
+.summary {
-.kv-grid p {
+  padding: 14px;
+  border-radius: 16px;
+  background: rgba(7, 14, 26, 0.78);
+  border: 1px solid rgba(133, 147, 169, 0.2);
+  color: #d5dbee;
+}
+
+.summary p {
   margin: 0;
 }
 
@@ -378,57 +136,14 @@ h4 {
   margin-top: 8px;
 }
 
-.telemetry-strip {
+@media (max-width: 960px) {
-  display: grid;
+  .stats {
-  grid-template-columns: repeat(4, minmax(0, 1fr));
-  gap: 10px;
-}
-
-.leg-card {
-  display: grid;
-  gap: 16px;
-}
-
-.leg-card.stale {
-  border-color: rgba(255, 165, 0, 0.3);
-}
-
-.leg-meta {
-  display: grid;
-  justify-items: end;
-  gap: 8px;
-}
-
-.mini-time {
-  color: #9aa6c2;
-  font-size: 12px;
-}
-
-.session-card {
-  display: grid;
-  gap: 12px;
-  background: rgba(11, 19, 35, 0.86);
-}
-
-@media (max-width: 1200px) {
-  .stats,
-  .aggregate-grid,
-  .telemetry-strip {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
-
-  .leg-grid,
-  .session-grid,
-  .kv-grid {
-    grid-template-columns: 1fr;
-  }
 }
 
-@media (max-width: 720px) {
+@media (max-width: 640px) {
-  .stats,
+  .stats {
-  .aggregate-grid,
-  .telemetry-strip,
-  .kv-grid {
     grid-template-columns: 1fr;
   }
 }

frontend/src/components/VideoPanel.vue

@@ -1,448 +1,64 @@
 <script setup lang="ts">
-import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
+import { computed, ref, watch } from 'vue'
 
-import { buildVideoFrameUrl, fetchClockCalibrationSample, fetchVideoStatus, postVideoDisplayProbe } from '@/lib/api'
+import { buildVideoStreamUrl } from '@/lib/api'
-import { t } from '@/lib/locale'
+import type { VideoStatus } from '@/types'
-import { useOperatorInputTelemetry } from '@/composables/useControlInterface'
-import type { NetworkTelemetry, VideoStatus } from '@/types'
 
 const props = defineProps<{
   video: VideoStatus | null
-  network?: NetworkTelemetry | null
 }>()
 
-const STATUS_REFRESH_MS = 300
+const streamUrl = ref('')
-const DISPLAY_PROBE_INTERVAL_MS = 200
+const canRequestFrames = computed(() => props.video?.available === true)
-const CLOCK_CALIBRATION_INTERVAL_MS = 1000
+const streamFps = computed(() => Math.max(props.video?.fps ?? 0, 30))
-const CLOCK_CALIBRATION_SAMPLE_WINDOW = 9
-const CLOCK_CALIBRATION_STALE_MS = CLOCK_CALIBRATION_INTERVAL_MS * 3
 
-type PendingInputProbe = {
+const senderProfileLabel = computed(() => {
-  token: number
+  if (!props.video) {
-  triggeredPerfMs: number
+    return '发送端 Profile: --'
-  baselineFrameSeq: number | null
+  }
-  baselineFrameHash: string
+  return `发送端 Profile: ${props.video.fps} FPS`
-  freshResolved: boolean
-  changedResolved: boolean
-  paintResolved: boolean
-}
-
-type ClockCalibrationSnapshot = {
-  offsetMs: number | null
-  rttMs: number | null
-  sampleCount: number
-  updatedAt: string | null
-}
-
-const liveVideo = ref<VideoStatus | null>(props.video)
-const frameUrl = ref(buildVideoFrameUrl(0))
-const displayVideo = computed(() => liveVideo.value ?? props.video)
-const canRequestFrames = computed(() => displayVideo.value?.available === true)
-const currentFps = computed(() => displayVideo.value?.fps ?? 30)
-const operatorMetrics = ref({
-  input_to_next_fresh_frame_ms: null as number | null,
-  input_to_next_changed_frame_ms: null as number | null,
-  input_to_next_paint_ms: null as number | null,
 })
 
-const {
+const displayModeLabel = computed(() => {
-  operatorInputSequence,
+  if (!props.video) {
-  lastOperatorInputPerfMs,
+    return '前端显示: 等待状态'
-} = useOperatorInputTelemetry()
-
-const freshness = computed(() => displayVideo.value?.freshness)
-const networkEstimate = computed(() => props.network?.latency_estimate ?? null)
-const senderClockDebug = computed(() => displayVideo.value?.timing ?? null)
-const EMPTY_CLOCK_CALIBRATION: ClockCalibrationSnapshot = {
-  offsetMs: null,
-  rttMs: null,
-  sampleCount: 0,
-  updatedAt: null,
-}
-const clockCalibration = ref<ClockCalibrationSnapshot>({ ...EMPTY_CLOCK_CALIBRATION })
-
-const modeLabel = computed(() => {
-  if (!displayVideo.value) {
-    return t('videoPanel.mode.loading')
-  }
-  if (displayVideo.value.source_mode === 'omnisocket-jpeg-live') {
-    return t('videoPanel.mode.live', { fps: displayVideo.value.fps })
-  }
-  return displayVideo.value.source_mode
-})
-
-const timingHeadline = computed(() => {
-  const latest = senderClockDebug.value?.sender_clock_delta_ms_raw
-  if (latest == null) {
-    return t('videoPanel.timing.waiting')
-  }
-  return `${latest.toFixed(1)} ms`
-})
-
-const timingHint = computed(() => {
-  const timing = senderClockDebug.value
-  if (!timing?.available) {
-    return t('videoPanel.timing.noTrailer')
-  }
-  return t('videoPanel.timing.rawHint')
-})
-
-function formatNumber(value: number | null | undefined, suffix = '') {
-  if (value == null || Number.isNaN(value)) {
-    return '--'
-  }
-  return `${value.toFixed(1)}${suffix}`
-}
-
-function wallClockNowMs() {
-  return Date.now()
-}
-
-let frameTimer: number | null = null
-let statusTimer: number | null = null
-let probeTimer: number | null = null
-let calibrationTimer: number | null = null
-let frameKey = 0
-let probeKey = 0
-let statusRequestPending = false
-let probeRequestPending = false
-let calibrationRequestPending = false
-let lastObservedFrameSeq: number | null = null
-let lastObservedFrameHash = ''
-let pendingInputProbe: PendingInputProbe | null = null
-let clockOffsetSamples: number[] = []
-let clockRttSamples: number[] = []
-
-function boundedMedian(samples: number[]) {
-  if (samples.length === 0) {
-    return null
-  }
-  const sorted = [...samples].sort((left, right) => left - right)
-  const middle = Math.floor(sorted.length / 2)
-  if (sorted.length % 2 === 1) {
-    return sorted[middle] ?? null
-  }
-  const left = sorted[middle - 1]
-  const right = sorted[middle]
-  if (left == null || right == null) {
-    return null
-  }
-  return (left + right) / 2
-}
-
-function clearClockCalibration() {
-  clockOffsetSamples = []
-  clockRttSamples = []
-  clockCalibration.value = { ...EMPTY_CLOCK_CALIBRATION }
-}
-
-function isClockCalibrationFresh(snapshot: ClockCalibrationSnapshot, nowMs = wallClockNowMs()) {
-  if (snapshot.offsetMs == null || snapshot.rttMs == null || !snapshot.updatedAt) {
-    return false
-  }
-  const updatedAtMs = Date.parse(snapshot.updatedAt)
-  if (!Number.isFinite(updatedAtMs)) {
-    return false
-  }
-  return nowMs - updatedAtMs <= CLOCK_CALIBRATION_STALE_MS
-}
-
-function expireClockCalibrationIfStale(nowMs = wallClockNowMs()) {
-  if (clockCalibration.value.sampleCount > 0 && !isClockCalibrationFresh(clockCalibration.value, nowMs)) {
-    clearClockCalibration()
-  }
-}
-
-function currentClockCalibration(nowMs = wallClockNowMs()) {
-  expireClockCalibrationIfStale(nowMs)
-  return clockCalibration.value
-}
-
-function updateClockCalibration(offsetMs: number, rttMs: number) {
-  clockOffsetSamples.push(offsetMs)
-  clockRttSamples.push(rttMs)
-  if (clockOffsetSamples.length > CLOCK_CALIBRATION_SAMPLE_WINDOW) {
-    clockOffsetSamples = clockOffsetSamples.slice(-CLOCK_CALIBRATION_SAMPLE_WINDOW)
-  }
-  if (clockRttSamples.length > CLOCK_CALIBRATION_SAMPLE_WINDOW) {
-    clockRttSamples = clockRttSamples.slice(-CLOCK_CALIBRATION_SAMPLE_WINDOW)
-  }
-  const medianOffset = boundedMedian(clockOffsetSamples)
-  const medianRtt = boundedMedian(clockRttSamples)
-  clockCalibration.value = {
-    offsetMs: medianOffset == null ? null : Number(medianOffset.toFixed(3)),
-    rttMs: medianRtt == null ? null : Number(medianRtt.toFixed(3)),
-    sampleCount: clockOffsetSamples.length,
-    updatedAt: new Date().toISOString(),
-  }
-}
-
-async function refreshStatus() {
-  if (statusRequestPending) {
-    return
-  }
-  statusRequestPending = true
-  try {
-    liveVideo.value = await fetchVideoStatus()
-  } catch {
-    // Keep the last good state.
-  } finally {
-    statusRequestPending = false
-  }
-}
-
-async function runClockCalibration() {
-  if (calibrationRequestPending) {
-    return
-  }
-  calibrationRequestPending = true
-  const clientSendUnixMs = wallClockNowMs()
-  expireClockCalibrationIfStale(clientSendUnixMs)
-  try {
-    const sample = await fetchClockCalibrationSample()
-    const clientRecvUnixMs = wallClockNowMs()
-    if (!Number.isFinite(sample.server_received_unix_ms) || !Number.isFinite(sample.server_sent_unix_ms)) {
-      return
-    }
-    const offsetMs = ((clientSendUnixMs - sample.server_received_unix_ms) + (clientRecvUnixMs - sample.server_sent_unix_ms)) / 2
-    const rawRttMs = (clientRecvUnixMs - clientSendUnixMs) - (sample.server_sent_unix_ms - sample.server_received_unix_ms)
-    updateClockCalibration(Number(offsetMs.toFixed(3)), Number(Math.max(0, rawRttMs).toFixed(3)))
-  } catch {
-    // Calibration is best-effort only.
-  } finally {
-    expireClockCalibrationIfStale()
-    calibrationRequestPending = false
-  }
-}
-
-function refreshFrame() {
-  if (!canRequestFrames.value) {
-    return
-  }
-  frameKey += 1
-  frameUrl.value = buildVideoFrameUrl(frameKey)
-}
-
-function startFrameLoop() {
-  if (frameTimer != null) {
-    window.clearInterval(frameTimer)
-    frameTimer = null
   }
   if (!canRequestFrames.value) {
-    return
+    return '前端显示: 等待新视频帧'
   }
-  refreshFrame()
+  return `前端显示: MJPEG Stream (${streamFps.value} FPS 请求)`
-  const intervalMs = Math.max(33, Math.round(1000 / currentFps.value))
+})
-  frameTimer = window.setInterval(refreshFrame, intervalMs)
-}
 
-function startStatusLoop() {
+const placeholderText = computed(() => {
-  if (statusTimer != null) {
+  if (!props.video) {
-    window.clearInterval(statusTimer)
+    return '正在获取视频状态...'
-    statusTimer = null
   }
-  void refreshStatus()
+  return '尚未收到实时视频帧'
-  statusTimer = window.setInterval(() => {
+})
-    void refreshStatus()
-  }, STATUS_REFRESH_MS)
-}
 
-function startClockCalibrationLoop() {
+function refreshStreamUrl() {
-  if (calibrationTimer != null) {
-    window.clearInterval(calibrationTimer)
-    calibrationTimer = null
-  }
-  void runClockCalibration()
-  calibrationTimer = window.setInterval(() => {
-    void runClockCalibration()
-  }, CLOCK_CALIBRATION_INTERVAL_MS)
-}
-
-function maybeTrackOperatorInput() {
-  pendingInputProbe = {
-    token: operatorInputSequence.value,
-    triggeredPerfMs: lastOperatorInputPerfMs.value,
-    baselineFrameSeq: lastObservedFrameSeq,
-    baselineFrameHash: lastObservedFrameHash,
-    freshResolved: false,
-    changedResolved: false,
-    paintResolved: false,
-  }
-}
-
-async function runDisplayProbe() {
-  if (probeRequestPending || !canRequestFrames.value) {
-    return
-  }
-
-  probeRequestPending = true
-  const requestStartedUnixMs = wallClockNowMs()
-
-  try {
-    probeKey += 1
-    const response = await fetch(buildVideoFrameUrl(probeKey), {
-      cache: 'no-store',
-    })
-    if (!response.ok) {
-      return
-    }
-
-    const frameSeqHeader = response.headers.get('X-Blitz-Frame-Seq')
-    const backendReceivedHeader = response.headers.get('X-Blitz-Backend-Received-Unix-Ns')
-    const frameHashHeader = response.headers.get('X-Blitz-Frame-Hash') ?? ''
-    const frameSeq = frameSeqHeader ? Number(frameSeqHeader) : null
-    const backendReceivedUnixNs = backendReceivedHeader ? Number(backendReceivedHeader) : null
-    const responseReceivedUnixMs = wallClockNowMs()
-    const blob = await response.blob()
-    const objectUrl = URL.createObjectURL(blob)
-
-    try {
-      const probeImage = new Image()
-      probeImage.src = objectUrl
-      await probeImage.decode()
-      const decodedUnixMs = wallClockNowMs()
-      await new Promise<void>((resolve) => {
-        requestAnimationFrame(() => resolve())
-      })
-      const paintUnixMs = wallClockNowMs()
-
-      let inputToNextFreshFrameMs: number | null = null
-      let inputToNextChangedFrameMs: number | null = null
-      let inputToNextPaintMs: number | null = null
-
-      if (pendingInputProbe != null) {
-        if (
-          !pendingInputProbe.freshResolved &&
-          frameSeq != null &&
-          (pendingInputProbe.baselineFrameSeq == null || frameSeq > pendingInputProbe.baselineFrameSeq)
-        ) {
-          inputToNextFreshFrameMs = Number((performance.now() - pendingInputProbe.triggeredPerfMs).toFixed(3))
-          pendingInputProbe.freshResolved = true
-          operatorMetrics.value.input_to_next_fresh_frame_ms = inputToNextFreshFrameMs
-        }
-
-        if (
-          !pendingInputProbe.changedResolved &&
-          frameHashHeader &&
-          frameHashHeader !== pendingInputProbe.baselineFrameHash
-        ) {
-          inputToNextChangedFrameMs = Number((performance.now() - pendingInputProbe.triggeredPerfMs).toFixed(3))
-          pendingInputProbe.changedResolved = true
-          operatorMetrics.value.input_to_next_changed_frame_ms = inputToNextChangedFrameMs
-        }
-
-        if (!pendingInputProbe.paintResolved) {
-          inputToNextPaintMs = Number((performance.now() - pendingInputProbe.triggeredPerfMs).toFixed(3))
-          pendingInputProbe.paintResolved = true
-          operatorMetrics.value.input_to_next_paint_ms = inputToNextPaintMs
-        }
-
-        if (
-          pendingInputProbe.freshResolved &&
-          pendingInputProbe.changedResolved &&
-          pendingInputProbe.paintResolved
-        ) {
-          pendingInputProbe = null
-        }
-      }
-
-      lastObservedFrameSeq = frameSeq
-      lastObservedFrameHash = frameHashHeader
-      const calibration = currentClockCalibration(paintUnixMs)
-
-      await postVideoDisplayProbe({
-        updated_at: new Date().toISOString(),
-        frame_seq: frameSeq,
-        backend_received_unix_ns: backendReceivedUnixNs,
-        frame_hash: frameHashHeader,
-        request_started_unix_ms: Number(requestStartedUnixMs.toFixed(3)),
-        response_received_unix_ms: Number(responseReceivedUnixMs.toFixed(3)),
-        image_decoded_unix_ms: Number(decodedUnixMs.toFixed(3)),
-        paint_unix_ms: Number(paintUnixMs.toFixed(3)),
-        input_to_next_fresh_frame_ms: inputToNextFreshFrameMs,
-        input_to_next_changed_frame_ms: inputToNextChangedFrameMs,
-        input_to_next_paint_ms: inputToNextPaintMs,
-        browser_backend_clock_offset_ms: calibration.offsetMs,
-        browser_backend_clock_rtt_ms: calibration.rttMs,
-        browser_backend_clock_sample_count: calibration.sampleCount,
-        browser_backend_clock_calibrated_at: calibration.updatedAt,
-      })
-    } finally {
-      URL.revokeObjectURL(objectUrl)
-    }
-  } catch {
-    // Probe is best-effort only.
-  } finally {
-    probeRequestPending = false
-  }
-}
-
-function startProbeLoop() {
-  if (probeTimer != null) {
-    window.clearInterval(probeTimer)
-    probeTimer = null
-  }
   if (!canRequestFrames.value) {
+    streamUrl.value = ''
     return
   }
-  void runDisplayProbe()
+
-  probeTimer = window.setInterval(() => {
+  // Keep the browser attached to a higher-frequency local MJPEG stream
-    void runDisplayProbe()
+  // so the dashboard does not add an extra 0-100 ms polling delay.
-  }, DISPLAY_PROBE_INTERVAL_MS)
+  streamUrl.value = buildVideoStreamUrl(streamFps.value, Date.now())
 }
 
-onMounted(() => {
+watch([streamFps, canRequestFrames], refreshStreamUrl, { immediate: true })
-  startStatusLoop()
-  startFrameLoop()
-  startProbeLoop()
-  startClockCalibrationLoop()
-})
-
-onUnmounted(() => {
-  if (frameTimer != null) {
-    window.clearInterval(frameTimer)
-  }
-  if (statusTimer != null) {
-    window.clearInterval(statusTimer)
-  }
-  if (probeTimer != null) {
-    window.clearInterval(probeTimer)
-  }
-  if (calibrationTimer != null) {
-    window.clearInterval(calibrationTimer)
-  }
-})
-
-watch(
-  () => props.video,
-  (nextVideo) => {
-    liveVideo.value = nextVideo
-  },
-  { immediate: true },
-)
-
-watch([currentFps, canRequestFrames], () => {
-  startFrameLoop()
-  startProbeLoop()
-})
-
-watch(
-  () => operatorInputSequence.value,
-  () => {
-    maybeTrackOperatorInput()
-  },
-)
 </script>
 
 <template>
   <section class="panel video-panel">
     <div class="panel-head">
       <div>
-        <p class="eyebrow">{{ t('videoPanel.eyebrow') }}</p>
+        <p class="eyebrow">Video</p>
-        <h2>{{ t('videoPanel.title') }}</h2>
+        <h2>JPEG 视频流</h2>
       </div>
-      <span class="badge" :class="{ bad: !displayVideo?.available }">
+      <span class="badge" :class="{ bad: !video?.available }">
-        {{ modeLabel }}
+        {{ video?.source_mode ?? 'loading' }}
       </span>
     </div>
 
@@ -450,82 +66,35 @@ watch(
       <img
         v-if="canRequestFrames"
         class="video-frame"
-        :src="frameUrl"
+        :src="streamUrl"
-        :alt="t('videoPanel.frameAlt')"
+        alt="Robot jpeg frame stream"
       />
       <div v-else class="video-placeholder">
-        {{ t('videoPanel.waitingFrames') }}
+        {{ placeholderText }}
       </div>
     </div>
 
     <div class="stats">
       <div class="stat-card">
-        <span>{{ t('videoPanel.stats.frames') }}</span>
+        <span>帧源</span>
-        <strong>{{ displayVideo?.frame_count ?? 0 }}</strong>
+        <strong>{{ video?.frame_count ?? '--' }} 张 JPEG</strong>
       </div>
       <div class="stat-card">
-        <span>{{ t('videoPanel.stats.latestSeq') }}</span>
+        <span>当前模式</span>
-        <strong>{{ displayVideo?.receiver?.latest_sequence ?? '--' }}</strong>
+        <div class="stat-lines">
-      </div>
+          <strong>{{ senderProfileLabel }}</strong>
-      <div class="stat-card">
+          <strong class="secondary">{{ displayModeLabel }}</strong>
-        <span>{{ t('videoPanel.stats.videoE2E') }}</span>
-        <strong>{{ formatNumber(networkEstimate?.video_e2e_est_ms, ' ms') }}</strong>
-      </div>
-      <div class="stat-card">
-        <span>{{ t('videoPanel.stats.paintDelay') }}</span>
-        <strong>{{ formatNumber(displayVideo?.display_probe?.request_to_paint_ms, ' ms') }}</strong>
         </div>
       </div>
-
-    <div class="metric-grid">
-      <div class="metric-group">
-        <h3>{{ t('videoPanel.section.pipeline') }}</h3>
-        <p><strong>{{ t('videoPanel.captureToSend') }}:</strong> {{ formatNumber(displayVideo?.receiver?.latest_capture_to_send_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.networkOneWay') }}:</strong> {{ formatNumber(networkEstimate?.video_network_oneway_est_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.partialEstimate') }}:</strong> {{ formatNumber(networkEstimate?.video_partial_est_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.endToEndEstimate') }}:</strong> {{ formatNumber(networkEstimate?.video_e2e_est_ms, ' ms') }}</p>
-      </div>
-
-      <div class="metric-group">
-        <h3>{{ t('videoPanel.section.freshness') }}</h3>
-        <p><strong>{{ t('videoPanel.interFrameAvg') }}:</strong> {{ formatNumber(freshness?.inter_frame_avg_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.interFrameP95') }}:</strong> {{ formatNumber(freshness?.inter_frame_p95_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.repeatedRatio') }}:</strong> {{ formatNumber((freshness?.repeated_frame_ratio ?? 0) * 100, ' %') }}</p>
-        <p><strong>{{ t('videoPanel.skipRatio') }}:</strong> {{ formatNumber((freshness?.skip_ratio ?? 0) * 100, ' %') }}</p>
-        <p><strong>{{ t('videoPanel.longestFreeze') }}:</strong> {{ formatNumber(freshness?.longest_freeze_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.lagFrames') }}:</strong> {{ freshness?.relative_freshness_lag_frames ?? 0 }}</p>
-      </div>
-
-      <div class="metric-group">
-        <h3>{{ t('videoPanel.section.operator') }}</h3>
-        <p><strong>{{ t('videoPanel.inputToNextSeq') }}:</strong> {{ formatNumber(operatorMetrics.input_to_next_fresh_frame_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.inputToChangedFrame') }}:</strong> {{ formatNumber(operatorMetrics.input_to_next_changed_frame_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.inputToPaint') }}:</strong> {{ formatNumber(operatorMetrics.input_to_next_paint_ms, ' ms') }}</p>
-        <p><strong>{{ t('videoPanel.displayProbeRequestToPaint') }}:</strong> {{ formatNumber(displayVideo?.display_probe?.request_to_paint_ms, ' ms') }}</p>
-      </div>
-    </div>
-
-    <div class="timing-panel">
-      <div class="timing-head">
-        <span>{{ t('videoPanel.senderClockDelta') }}</span>
-        <strong>{{ timingHeadline }}</strong>
-      </div>
-      <div class="timing-grid">
-        <span
-          v-for="(sample, index) in (senderClockDebug?.sender_clock_delta_samples_ms_raw ?? [])"
-          :key="index"
-          class="timing-label"
-        >
-          {{ `${sample.toFixed(1)} ms` }}
-        </span>
-      </div>
-      <p class="hint subtle">
-        {{ timingHint }}
-      </p>
     </div>
 
     <p class="hint">
-      {{ displayVideo?.source_detail ?? t('videoPanel.noSourceDetail') }}
+      视频可用时，页面会直接连接后端的 MJPEG stream，而不是按当前发送 fps 逐帧轮询。
+      这样能减少 dashboard 本身带来的额外显示延迟。
+    </p>
+
+    <p class="hint subtle">
+      当前帧源状态：{{ video?.source_detail ?? '暂无' }}
     </p>
   </section>
 </template>
@@ -547,24 +116,16 @@ watch(
   margin: 0 0 4px;
   color: #5b7aff;
   text-transform: uppercase;
-  letter-spacing: 0.08em;
+  letter-spacing: 0.12em;
   font-size: 12px;
   font-weight: 700;
 }
 
-h2,
-h3 {
-  margin: 0;
-}
-
 h2 {
+  margin: 0;
   font-size: 24px;
 }
 
-h3 {
-  font-size: 16px;
-}
-
 .badge {
   padding: 8px 12px;
   border-radius: 999px;
@@ -581,9 +142,9 @@ h3 {
 
 .video-shell {
   overflow: hidden;
-  border-radius: 8px;
+  border-radius: 20px;
   border: 1px solid rgba(133, 147, 169, 0.28);
-  background: #050812;
+  background: linear-gradient(180deg, #09111f 0%, #050812 100%);
 }
 
 .video-frame {
@@ -591,106 +152,69 @@ h3 {
   width: 100%;
   aspect-ratio: 16 / 9;
   object-fit: cover;
+  background: #02050d;
 }
 
 .video-placeholder {
   display: grid;
   place-items: center;
+  width: 100%;
   aspect-ratio: 16 / 9;
-  color: #95a4c6;
+  padding: 24px;
-}
+  color: #a8b4ce;
-
+  text-align: center;
-.stats,
+  line-height: 1.7;
-.metric-grid {
+  background:
-  display: grid;
+    radial-gradient(circle at top, rgba(91, 122, 255, 0.14), transparent 42%),
-  gap: 10px;
+    #02050d;
 }
 
 .stats {
-  grid-template-columns: repeat(4, minmax(0, 1fr));
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 12px;
 }
 
-.metric-grid {
+.stat-card {
-  grid-template-columns: repeat(3, minmax(0, 1fr));
+  padding: 14px;
-}
+  border-radius: 16px;
-
+  background: rgba(7, 14, 26, 0.78);
-.stat-card,
+  border: 1px solid rgba(133, 147, 169, 0.2);
-.metric-group,
-.timing-panel {
-  padding: 12px;
-  border-radius: 8px;
-  border: 1px solid rgba(133, 147, 169, 0.18);
-  background: rgba(7, 14, 26, 0.86);
-}
-
-.stat-card span,
-.metric-group p,
-.hint {
-  color: #d5dbee;
 }
 
 .stat-card span {
   display: block;
-  margin-bottom: 6px;
+  margin-bottom: 8px;
+  color: #8d99b3;
   font-size: 12px;
-  color: #9aaccc;
-  text-transform: uppercase;
 }
 
 .stat-card strong {
   font-size: 18px;
 }
 
-.metric-group {
+.stat-lines {
   display: grid;
-  gap: 8px;
+  gap: 6px;
 }
 
-.metric-group p {
+.stat-lines .secondary {
-  margin: 0;
+  font-size: 15px;
-  line-height: 1.6;
+  color: #a8b4ce;
-}
-
-.timing-head {
-  display: flex;
-  justify-content: space-between;
-  gap: 12px;
-  margin-bottom: 10px;
-}
-
-.timing-grid {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 8px;
-}
-
-.timing-label {
-  padding: 6px 8px;
-  border-radius: 8px;
-  background: rgba(91, 122, 255, 0.12);
-  color: #dbe5ff;
-  font-size: 12px;
 }
 
 .hint {
   margin: 0;
-  line-height: 1.7;
+  color: #8d99b3;
+  line-height: 1.65;
 }
 
 .hint.subtle {
-  color: #96a5c3;
+  font-size: 13px;
-}
-
-@media (max-width: 1100px) {
-  .stats,
-  .metric-grid {
-    grid-template-columns: repeat(2, minmax(0, 1fr));
-  }
 }
 
 @media (max-width: 720px) {
-  .stats,
+  .stats {
-  .metric-grid {
     grid-template-columns: 1fr;
   }
 }

frontend/src/composables/useControlInterface.ts

@@ -1,748 +0,0 @@
-import { computed, onMounted, onUnmounted, ref } from 'vue'
-
-import { buildControlWebSocketUrl } from '@/lib/api'
-import { t } from '@/lib/locale'
-
-type SocketState = 'connecting' | 'open' | 'closed'
-type ControlInputMode = 'keyboard' | 'gamepad'
-type ControlSource = 'keyboard' | 'gamepad' | 'idle'
-type CommandTuple = [number, number, number, number, number, number]
-
-type KeyFeedback = {
-  code: string
-  label: string
-  pressed: boolean
-}
-
-type ButtonFeedback = {
-  label: string
-  pressed: boolean
-}
-
-type ControlTuning = {
-  forward: number
-  strafe: number
-  turn: number
-  turbo: number
-}
-
-const TRACKED_KEYS = ['KeyW', 'KeyS', 'KeyA', 'KeyD', 'KeyQ', 'KeyE', 'ShiftLeft', 'ShiftRight', 'Space']
-const KEY_LABELS: Record<string, string> = {
-  KeyW: 'W',
-  KeyS: 'S',
-  KeyA: 'A',
-  KeyD: 'D',
-  KeyQ: 'Q',
-  KeyE: 'E',
-  ShiftLeft: 'Shift',
-  ShiftRight: 'Shift',
-  Space: 'Space',
-}
-const GAMEPAD_BUTTON_LABELS = ['A', 'B', 'X', 'Y', 'LB', 'RB', 'LT', 'RT', 'Back', 'Start', 'LS', 'RS']
-
-const ZERO_COMMAND: CommandTuple = [0, 0, 0, 0, 0, 0]
-const GAMEPAD_DEADZONE = 0.14
-const COMMAND_SEND_INTERVAL_MS = 50
-const DEFAULT_CONTROL_TUNING: ControlTuning = {
-  forward: 0.8,
-  strafe: 0.15,
-  turn: 0.4,
-  turbo: 1.5,
-}
-const CONTROL_INPUT_MODE_STORAGE_KEY = 'robot-command-center.control-input-mode'
-const CONTROL_TUNING_STORAGE_KEY = 'robot-command-center.control-tuning'
-const MIN_AXIS_SPEED = 0.05
-const MAX_AXIS_SPEED = 3
-const MIN_TURBO_MULTIPLIER = 1
-const MAX_TURBO_MULTIPLIER = 3
-
-const pressedKeys = ref<Set<string>>(new Set())
-const socketState = ref<SocketState>('connecting')
-const lastServerMessageOverride = ref('')
-const lastServerMessagePreset = ref<'waiting' | 'live'>('waiting')
-const gamepadSupported = ref(false)
-const gamepadConnected = ref(false)
-const gamepadNameRaw = ref('')
-const gamepadIndex = ref<number | null>(null)
-const gamepadMapping = ref('')
-const gamepadAxes = ref<number[]>([0, 0, 0, 0])
-const gamepadButtonPressed = ref<boolean[]>(Array.from({ length: GAMEPAD_BUTTON_LABELS.length }, () => false))
-const activeSource = ref<ControlSource>('idle')
-const operatorInputSequence = ref(0)
-const lastOperatorInputPerfMs = ref(0)
-
-function clampValue(value: number, min: number, max: number) {
-  return Math.min(max, Math.max(min, value))
-}
-
-function sanitizeAxisSpeed(value: unknown, fallback: number) {
-  const numericValue = typeof value === 'number' ? value : Number(value)
-  if (!Number.isFinite(numericValue)) {
-    return fallback
-  }
-  return roundValue(clampValue(numericValue, MIN_AXIS_SPEED, MAX_AXIS_SPEED))
-}
-
-function sanitizeTurboMultiplier(value: unknown, fallback: number) {
-  const numericValue = typeof value === 'number' ? value : Number(value)
-  if (!Number.isFinite(numericValue)) {
-    return fallback
-  }
-  return roundValue(clampValue(numericValue, MIN_TURBO_MULTIPLIER, MAX_TURBO_MULTIPLIER))
-}
-
-function normalizeControlTuning(raw?: Partial<ControlTuning>): ControlTuning {
-  return {
-    forward: sanitizeAxisSpeed(raw?.forward, DEFAULT_CONTROL_TUNING.forward),
-    strafe: sanitizeAxisSpeed(raw?.strafe, DEFAULT_CONTROL_TUNING.strafe),
-    turn: sanitizeAxisSpeed(raw?.turn, DEFAULT_CONTROL_TUNING.turn),
-    turbo: sanitizeTurboMultiplier(raw?.turbo, DEFAULT_CONTROL_TUNING.turbo),
-  }
-}
-
-function normalizeControlInputMode(raw: unknown): ControlInputMode {
-  return raw === 'gamepad' ? 'gamepad' : 'keyboard'
-}
-
-function loadPersistedControlTuning() {
-  if (typeof window === 'undefined') {
-    return DEFAULT_CONTROL_TUNING
-  }
-
-  let raw: string | null = null
-
-  try {
-    raw = window.localStorage.getItem(CONTROL_TUNING_STORAGE_KEY)
-  } catch {
-    return DEFAULT_CONTROL_TUNING
-  }
-
-  if (raw == null) {
-    return DEFAULT_CONTROL_TUNING
-  }
-
-  try {
-    return normalizeControlTuning(JSON.parse(raw) as Partial<ControlTuning>)
-  } catch {
-    return DEFAULT_CONTROL_TUNING
-  }
-}
-
-function loadPersistedControlInputMode() {
-  if (typeof window === 'undefined') {
-    return normalizeControlInputMode(null)
-  }
-
-  try {
-    return normalizeControlInputMode(window.localStorage.getItem(CONTROL_INPUT_MODE_STORAGE_KEY))
-  } catch {
-    return normalizeControlInputMode(null)
-  }
-}
-
-const controlInputMode = ref<ControlInputMode>(loadPersistedControlInputMode())
-const initialControlTuning = loadPersistedControlTuning()
-const forwardSpeed = ref(initialControlTuning.forward)
-const strafeSpeed = ref(initialControlTuning.strafe)
-const turnSpeed = ref(initialControlTuning.turn)
-const turboMultiplier = ref(initialControlTuning.turbo)
-
-let socket: WebSocket | null = null
-let sendTimer: number | null = null
-let reconnectTimer: number | null = null
-let gamepadTimer: number | null = null
-let manualClose = false
-let consumerCount = 0
-let lastGamepadSignature = ''
-let lastCommandSignature = ''
-
-function noteOperatorInput() {
-  operatorInputSequence.value += 1
-  lastOperatorInputPerfMs.value = performance.now()
-}
-
-function normalizeAxis(raw: number) {
-  if (Math.abs(raw) < GAMEPAD_DEADZONE) {
-    return 0
-  }
-  const sign = raw >= 0 ? 1 : -1
-  return sign * ((Math.abs(raw) - GAMEPAD_DEADZONE) / (1 - GAMEPAD_DEADZONE))
-}
-
-function roundValue(value: number) {
-  return Math.round(value * 1000) / 1000
-}
-
-function persistControlTuning() {
-  if (typeof window === 'undefined') {
-    return
-  }
-
-  try {
-    window.localStorage.setItem(
-      CONTROL_TUNING_STORAGE_KEY,
-      JSON.stringify({
-        forward: forwardSpeed.value,
-        strafe: strafeSpeed.value,
-        turn: turnSpeed.value,
-        turbo: turboMultiplier.value,
-      }),
-    )
-  } catch {
-    // Ignore storage failures so tuning still works for the current session.
-  }
-}
-
-function persistControlInputMode() {
-  if (typeof window === 'undefined') {
-    return
-  }
-
-  try {
-    window.localStorage.setItem(CONTROL_INPUT_MODE_STORAGE_KEY, controlInputMode.value)
-  } catch {
-    // Ignore storage failures so mode switching still works for the current session.
-  }
-}
-
-function setControlInputMode(next: ControlInputMode) {
-  const resolved = normalizeControlInputMode(next)
-  const previous = controlInputMode.value
-
-  if (resolved === previous) {
-    return
-  }
-
-  controlInputMode.value = resolved
-  persistControlInputMode()
-
-  if (previous === 'keyboard') {
-    pressedKeys.value = new Set()
-  }
-
-  refreshSendLoop(true)
-}
-
-function setControlTuning(next: Partial<ControlTuning>) {
-  const resolved = normalizeControlTuning({
-    forward: next.forward ?? forwardSpeed.value,
-    strafe: next.strafe ?? strafeSpeed.value,
-    turn: next.turn ?? turnSpeed.value,
-    turbo: next.turbo ?? turboMultiplier.value,
-  })
-  const changed =
-    resolved.forward !== forwardSpeed.value ||
-    resolved.strafe !== strafeSpeed.value ||
-    resolved.turn !== turnSpeed.value ||
-    resolved.turbo !== turboMultiplier.value
-
-  forwardSpeed.value = resolved.forward
-  strafeSpeed.value = resolved.strafe
-  turnSpeed.value = resolved.turn
-  turboMultiplier.value = resolved.turbo
-  persistControlTuning()
-
-  if (changed) {
-    refreshSendLoop(true)
-  }
-}
-
-function resetControlTuning() {
-  setControlTuning(DEFAULT_CONTROL_TUNING)
-}
-
-function packCommand(values: CommandTuple) {
-  const buffer = new ArrayBuffer(24)
-  const view = new DataView(buffer)
-  values.forEach((value, index) => view.setFloat32(index * 4, value, true))
-  return buffer
-}
-
-function isZeroCommand(values: CommandTuple) {
-  return values.every((value) => Math.abs(value) < 0.0001)
-}
-
-function commandSignature(values: CommandTuple, source: ControlSource) {
-  return `${source}:${values.map((value) => value.toFixed(3)).join(',')}`
-}
-
-function activeTurnAxis() {
-  const axis2 = normalizeAxis(gamepadAxes.value[2] ?? 0)
-  const axis3 = normalizeAxis(gamepadAxes.value[3] ?? 0)
-  return Math.abs(axis2) >= Math.abs(axis3) ? axis2 : axis3
-}
-
-function keyboardCommandValues(): CommandTuple {
-  const keys = pressedKeys.value
-  const turbo = keys.has('ShiftLeft') || keys.has('ShiftRight') ? turboMultiplier.value : 1
-
-  let lx = 0
-  let ly = 0
-  let az = 0
-
-  if (keys.has('KeyW')) lx += forwardSpeed.value
-  if (keys.has('KeyS')) lx -= forwardSpeed.value
-  if (keys.has('KeyA')) ly += strafeSpeed.value
-  if (keys.has('KeyD')) ly -= strafeSpeed.value
-  if (keys.has('KeyQ')) az += turnSpeed.value
-  if (keys.has('KeyE')) az -= turnSpeed.value
-
-  if (keys.has('Space')) {
-    return ZERO_COMMAND
-  }
-
-  return [
-    roundValue(lx * turbo),
-    roundValue(ly * turbo),
-    0,
-    0,
-    0,
-    roundValue(az * turbo),
-  ]
-}
-
-function gamepadCommandValues(): CommandTuple {
-  if (!gamepadConnected.value) {
-    return ZERO_COMMAND
-  }
-
-  const buttons = gamepadButtonPressed.value
-  const turbo = buttons[5] ? turboMultiplier.value : 1
-
-  if (buttons[0]) {
-    return ZERO_COMMAND
-  }
-
-  const lx = roundValue(-normalizeAxis(gamepadAxes.value[1] ?? 0) * forwardSpeed.value * turbo)
-  const ly = roundValue(-normalizeAxis(gamepadAxes.value[0] ?? 0) * strafeSpeed.value * turbo)
-  const az = roundValue(-activeTurnAxis() * turnSpeed.value * turbo)
-
-  return [lx, ly, 0, 0, 0, az]
-}
-
-function keyboardActiveRaw() {
-  return pressedKeys.value.size > 0
-}
-
-function keyboardActive() {
-  return controlInputMode.value === 'keyboard' && keyboardActiveRaw()
-}
-
-function gamepadActiveRaw() {
-  if (!gamepadConnected.value) {
-    return false
-  }
-  return !isZeroCommand(gamepadCommandValues()) || gamepadButtonPressed.value.some(Boolean)
-}
-
-function gamepadActiveInternal() {
-  return controlInputMode.value === 'gamepad' && gamepadActiveRaw()
-}
-
-function resolvedSource(): ControlSource {
-  if (controlInputMode.value === 'keyboard' && keyboardActiveRaw()) {
-    return 'keyboard'
-  }
-  if (controlInputMode.value === 'gamepad' && gamepadActiveRaw()) {
-    return 'gamepad'
-  }
-  return 'idle'
-}
-
-function resolvedCommandValues(): CommandTuple {
-  const source = resolvedSource()
-  activeSource.value = source
-  if (source === 'keyboard') {
-    return keyboardCommandValues()
-  }
-  if (source === 'gamepad') {
-    return gamepadCommandValues()
-  }
-  return ZERO_COMMAND
-}
-
-function stopSendLoop() {
-  if (sendTimer != null) {
-    window.clearInterval(sendTimer)
-    sendTimer = null
-  }
-}
-
-function sendCurrentCommand() {
-  if (socket == null || socket.readyState !== WebSocket.OPEN) {
-    return
-  }
-  socket.send(packCommand(resolvedCommandValues()))
-}
-
-function refreshSendLoop(force = false, noteInput = true) {
-  const source = resolvedSource()
-  const values = resolvedCommandValues()
-  const signature = commandSignature(values, source)
-
-  if (!force && signature === lastCommandSignature) {
-    return
-  }
-  lastCommandSignature = signature
-  if (noteInput) {
-    noteOperatorInput()
-  }
-
-  stopSendLoop()
-  if (socket == null || socket.readyState !== WebSocket.OPEN) {
-    return
-  }
-
-  sendCurrentCommand()
-  if (isZeroCommand(values)) {
-    return
-  }
-
-  sendTimer = window.setInterval(() => {
-    sendCurrentCommand()
-  }, COMMAND_SEND_INTERVAL_MS)
-}
-
-function clearKeyboardCommands() {
-  pressedKeys.value = new Set()
-  refreshSendLoop()
-}
-
-function handleKeydown(event: KeyboardEvent) {
-  if (!TRACKED_KEYS.includes(event.code)) {
-    return
-  }
-  if (controlInputMode.value !== 'keyboard') {
-    return
-  }
-  if (event.target instanceof HTMLElement) {
-    const tag = event.target.tagName
-    if (tag === 'INPUT' || tag === 'TEXTAREA' || tag === 'SELECT') {
-      return
-    }
-  }
-
-  event.preventDefault()
-  const next = new Set(pressedKeys.value)
-  next.add(event.code)
-  pressedKeys.value = next
-  refreshSendLoop()
-}
-
-function handleKeyup(event: KeyboardEvent) {
-  if (!TRACKED_KEYS.includes(event.code)) {
-    return
-  }
-  if (controlInputMode.value !== 'keyboard') {
-    return
-  }
-
-  event.preventDefault()
-  const next = new Set(pressedKeys.value)
-  next.delete(event.code)
-  pressedKeys.value = next
-  refreshSendLoop()
-}
-
-function resetGamepadState() {
-  gamepadConnected.value = false
-  gamepadNameRaw.value = ''
-  gamepadIndex.value = null
-  gamepadMapping.value = ''
-  gamepadAxes.value = [0, 0, 0, 0]
-  gamepadButtonPressed.value = Array.from({ length: GAMEPAD_BUTTON_LABELS.length }, () => false)
-}
-
-function pollGamepadState() {
-  gamepadSupported.value = typeof navigator !== 'undefined' && typeof navigator.getGamepads === 'function'
-  if (!gamepadSupported.value) {
-    resetGamepadState()
-    if (controlInputMode.value === 'gamepad') {
-      refreshSendLoop()
-    }
-    return
-  }
-
-  const pad = Array.from(navigator.getGamepads()).find((entry): entry is Gamepad => entry != null)
-
-  if (pad == null) {
-    if (gamepadConnected.value) {
-      resetGamepadState()
-      lastGamepadSignature = ''
-      if (controlInputMode.value === 'gamepad') {
-        refreshSendLoop()
-      }
-    }
-    return
-  }
-
-  const axes = Array.from({ length: 4 }, (_, index) => roundValue(normalizeAxis(pad.axes[index] ?? 0)))
-  const buttons = GAMEPAD_BUTTON_LABELS.map((_, index) => Boolean(pad.buttons[index]?.pressed))
-  const signature = `${pad.index}:${pad.id}:${pad.mapping}:${axes.join(',')}:${buttons.map((pressed) => (pressed ? '1' : '0')).join('')}`
-
-  if (signature === lastGamepadSignature) {
-    return
-  }
-
-  lastGamepadSignature = signature
-  gamepadConnected.value = true
-  gamepadNameRaw.value = pad.id || ''
-  gamepadIndex.value = pad.index
-  gamepadMapping.value = pad.mapping || ''
-  gamepadAxes.value = axes
-  gamepadButtonPressed.value = buttons
-  if (controlInputMode.value === 'gamepad') {
-    refreshSendLoop()
-  }
-}
-
-function connectSocket() {
-  if (socket != null && (socket.readyState === WebSocket.OPEN || socket.readyState === WebSocket.CONNECTING)) {
-    return
-  }
-
-  manualClose = false
-  socketState.value = 'connecting'
-  socket = new WebSocket(buildControlWebSocketUrl())
-  socket.binaryType = 'arraybuffer'
-
-  socket.onopen = () => {
-    socketState.value = 'open'
-    lastServerMessagePreset.value = 'live'
-    lastServerMessageOverride.value = ''
-    refreshSendLoop(true, false)
-  }
-
-  socket.onmessage = (event) => {
-    if (typeof event.data === 'string') {
-      lastServerMessageOverride.value = event.data
-    }
-  }
-
-  socket.onclose = () => {
-    socketState.value = 'closed'
-    lastServerMessagePreset.value = 'waiting'
-    lastServerMessageOverride.value = ''
-    stopSendLoop()
-    socket = null
-    if (manualClose) {
-      return
-    }
-    if (reconnectTimer != null) {
-      window.clearTimeout(reconnectTimer)
-    }
-    reconnectTimer = window.setTimeout(() => {
-      connectSocket()
-    }, 1000)
-  }
-}
-
-function disconnectSocket() {
-  manualClose = true
-  stopSendLoop()
-  if (reconnectTimer != null) {
-    window.clearTimeout(reconnectTimer)
-    reconnectTimer = null
-  }
-  socket?.close()
-  socket = null
-}
-
-function startGamepadLoop() {
-  if (gamepadTimer != null) {
-    window.clearInterval(gamepadTimer)
-  }
-  pollGamepadState()
-  gamepadTimer = window.setInterval(() => {
-    pollGamepadState()
-  }, COMMAND_SEND_INTERVAL_MS)
-}
-
-function stopGamepadLoop() {
-  if (gamepadTimer != null) {
-    window.clearInterval(gamepadTimer)
-    gamepadTimer = null
-  }
-}
-
-function attachGlobalListeners() {
-  connectSocket()
-  startGamepadLoop()
-  window.addEventListener('keydown', handleKeydown)
-  window.addEventListener('keyup', handleKeyup)
-  window.addEventListener('blur', clearKeyboardCommands)
-  window.addEventListener('gamepadconnected', pollGamepadState)
-  window.addEventListener('gamepaddisconnected', pollGamepadState)
-}
-
-function detachGlobalListeners() {
-  window.removeEventListener('keydown', handleKeydown)
-  window.removeEventListener('keyup', handleKeyup)
-  window.removeEventListener('blur', clearKeyboardCommands)
-  window.removeEventListener('gamepadconnected', pollGamepadState)
-  window.removeEventListener('gamepaddisconnected', pollGamepadState)
-  clearKeyboardCommands()
-  stopGamepadLoop()
-  disconnectSocket()
-}
-
-function mountConsumer() {
-  consumerCount += 1
-  if (consumerCount === 1) {
-    attachGlobalListeners()
-  }
-}
-
-function unmountConsumer() {
-  consumerCount = Math.max(consumerCount - 1, 0)
-  if (consumerCount === 0) {
-    detachGlobalListeners()
-  }
-}
-
-const socketLabel = computed(() => {
-  if (socketState.value === 'open') return t('control.socket.open')
-  if (socketState.value === 'connecting') return t('control.socket.connecting')
-  return t('control.socket.reconnecting')
-})
-
-const activeSourceLabel = computed(() => {
-  if (activeSource.value === 'keyboard') return t('common.keyboard')
-  if (activeSource.value === 'gamepad') return t('common.gamepad')
-  return t('common.idle')
-})
-
-const controlInputModeLabel = computed(() => {
-  if (controlInputMode.value === 'gamepad') return t('common.gamepad')
-  return t('common.keyboard')
-})
-
-const lastServerMessage = computed(() => {
-  if (lastServerMessageOverride.value) {
-    return lastServerMessageOverride.value
-  }
-  return lastServerMessagePreset.value === 'live' ? t('control.server.live') : t('control.server.waiting')
-})
-
-const commandValues = computed(() => {
-  const [lx, ly, lz, ax, ay, az] = resolvedCommandValues()
-  return { lx, ly, lz, ax, ay, az }
-})
-
-const commandLabel = computed(() => {
-  const { lx, ly, az } = commandValues.value
-  return `lx=${lx.toFixed(2)} ly=${ly.toFixed(2)} az=${az.toFixed(2)}`
-})
-
-const commandMagnitude = computed(() => {
-  const { lx, ly, az } = commandValues.value
-  const limits = controlLimits.value
-  return Math.min(
-    1,
-    Math.max(
-      Math.abs(lx) / Math.max(limits.forward, MIN_AXIS_SPEED),
-      Math.abs(ly) / Math.max(limits.strafe, MIN_AXIS_SPEED),
-      Math.abs(az) / Math.max(limits.turn, MIN_AXIS_SPEED),
-    ),
-  )
-})
-
-const pressedKeysLabel = computed(() => Array.from(pressedKeys.value).sort().join(', ') || t('common.none'))
-
-const keyboardKeys = computed<KeyFeedback[]>(() =>
-  TRACKED_KEYS.map((code) => ({
-    code,
-    label: code === 'Space' ? t('control.key.stop') : (KEY_LABELS[code] ?? code),
-    pressed: pressedKeys.value.has(code),
-  })),
-)
-
-const keyboardTurbo = computed(
-  () => controlInputMode.value === 'keyboard' && (pressedKeys.value.has('ShiftLeft') || pressedKeys.value.has('ShiftRight')),
-)
-const controlTuning = computed<ControlTuning>(() => ({
-  forward: forwardSpeed.value,
-  strafe: strafeSpeed.value,
-  turn: turnSpeed.value,
-  turbo: turboMultiplier.value,
-}))
-const controlLimits = computed(() => ({
-  forward: roundValue(forwardSpeed.value * turboMultiplier.value),
-  strafe: roundValue(strafeSpeed.value * turboMultiplier.value),
-  turn: roundValue(turnSpeed.value * turboMultiplier.value),
-}))
-
-const gamepadButtons = computed<ButtonFeedback[]>(() =>
-  GAMEPAD_BUTTON_LABELS.map((label, index) => ({
-    label,
-    pressed: gamepadButtonPressed.value[index] ?? false,
-  })),
-)
-
-const gamepadName = computed(() => {
-  if (!gamepadConnected.value) {
-    return t('control.gamepad.none')
-  }
-  return gamepadNameRaw.value || t('control.gamepad.unnamed')
-})
-
-const gamepadLeftStick = computed(() => ({
-  x: gamepadAxes.value[0] ?? 0,
-  y: gamepadAxes.value[1] ?? 0,
-}))
-
-const gamepadRightStick = computed(() => ({
-  x: activeTurnAxis(),
-  y: gamepadAxes.value[3] ?? 0,
-}))
-
-export function useControlInterface() {
-  onMounted(() => {
-    mountConsumer()
-  })
-
-  onUnmounted(() => {
-    unmountConsumer()
-  })
-
-  return {
-    controlInputMode,
-    controlInputModeLabel,
-    setControlInputMode,
-    socketState,
-    socketLabel,
-    lastServerMessage,
-    activeSource,
-    activeSourceLabel,
-    commandValues,
-    commandLabel,
-    commandMagnitude,
-    controlTuning,
-    controlLimits,
-    setControlTuning,
-    resetControlTuning,
-    pressedKeysLabel,
-    keyboardKeys,
-    keyboardTurbo,
-    keyboardActive: computed(() => keyboardActive()),
-    gamepadSupported,
-    gamepadConnected,
-    gamepadName,
-    gamepadIndex,
-    gamepadMapping,
-    gamepadButtons,
-    gamepadLeftStick,
-    gamepadRightStick,
-    gamepadAxes,
-    gamepadActive: computed(() => gamepadActiveInternal()),
-    operatorInputSequence,
-    lastOperatorInputPerfMs,
-  }
-}
-
-export function useOperatorInputTelemetry() {
-  return {
-    operatorInputSequence,
-    lastOperatorInputPerfMs,
-  }
-}

frontend/src/composables/useMonitoringData.ts

@@ -1,7 +1,6 @@
 import { computed, onMounted, onUnmounted, ref } from 'vue'
 
 import { fetchDashboardSnapshot } from '@/lib/api'
-import { t } from '@/lib/locale'
 import type { GpsTelemetry, NetworkTelemetry, VideoStatus } from '@/types'
 
 type UseMonitoringDataOptions = {
@@ -14,7 +13,7 @@ export function useMonitoringData(options: UseMonitoringDataOptions = {}) {
   const video = ref<VideoStatus | null>(null)
   const loading = ref(true)
   const errorMessage = ref('')
-  const refreshIntervalMs = Math.max(200, options.refreshIntervalMs ?? 2000)
+  const refreshIntervalMs = Math.max(200, options.refreshIntervalMs ?? 500)
 
   let refreshTimer: number | null = null
 
@@ -26,7 +25,7 @@ export function useMonitoringData(options: UseMonitoringDataOptions = {}) {
       video.value = snapshot.video
       errorMessage.value = ''
     } catch (error) {
-      errorMessage.value = error instanceof Error ? error.message : t('common.requestFailed', { status: '-', statusText: '' })
+      errorMessage.value = error instanceof Error ? error.message : '数据加载失败'
     } finally {
       loading.value = false
     }
@@ -37,9 +36,9 @@ export function useMonitoringData(options: UseMonitoringDataOptions = {}) {
       return errorMessage.value
     }
     if (loading.value) {
-      return t('monitoring.loading')
+      return '正在连接 Django 后端并加载监控数据...'
     }
-    return t('monitoring.connected')
+    return '页面已连接 Django 后端。GPS 与网络状态按当前页面策略轮询更新，视频区域单独按目标 30FPS 请求单帧 JPEG。'
   })
 
   onMounted(() => {

frontend/src/lib/api.ts

@@ -1,5 +1,4 @@
-import type { DashboardSnapshot, VideoStatus } from '@/types'
+import type { DashboardSnapshot } from '@/types'
-import { t } from '@/lib/locale'
 
 const envBaseUrl = import.meta.env.VITE_API_BASE_URL as string | undefined
 
@@ -8,7 +7,7 @@ export const API_BASE = (envBaseUrl?.trim() || 'http://127.0.0.1:8001').replace(
 async function fetchJson<T>(path: string): Promise<T> {
   const response = await fetch(`${API_BASE}${path}`)
   if (!response.ok) {
-    throw new Error(t('common.requestFailed', { status: response.status, statusText: response.statusText }))
+    throw new Error(`请求失败: ${response.status} ${response.statusText}`)
   }
   return response.json() as Promise<T>
 }
@@ -17,46 +16,10 @@ export function fetchDashboardSnapshot() {
   return fetchJson<DashboardSnapshot>('/api/dashboard/')
 }
 
-export function fetchVideoStatus() {
-  return fetchJson<VideoStatus>('/api/video/status/')
-}
-
-export async function fetchClockCalibrationSample() {
-  const response = await fetch(`${API_BASE}/api/clock/calibrate/`, {
-    cache: 'no-store',
-  })
-  if (!response.ok) {
-    throw new Error(`clock calibration failed: ${response.status} ${response.statusText}`)
-  }
-  return response.json() as Promise<{
-    server_received_unix_ms: number
-    server_sent_unix_ms: number
-  }>
-}
-
 export function buildVideoFrameUrl(frameKey: number) {
   return `${API_BASE}/api/video/frame/?frame=${frameKey}&t=${Date.now()}`
 }
 
-export async function postVideoDisplayProbe(payload: Record<string, unknown>) {
+export function buildVideoStreamUrl(fps: number, token: number) {
-  const response = await fetch(`${API_BASE}/api/video/display-probe/`, {
+  return `${API_BASE}/api/video/stream/?fps=${fps}&t=${token}`
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/json',
-    },
-    body: JSON.stringify(payload),
-  })
-  if (!response.ok) {
-    throw new Error(`display probe post failed: ${response.status} ${response.statusText}`)
-  }
-}
-
-export function buildControlWebSocketUrl() {
-  const url = new URL(API_BASE, window.location.origin)
-  const basePath = url.pathname.replace(/\/$/, '')
-  url.protocol = url.protocol === 'https:' ? 'wss:' : 'ws:'
-  url.pathname = `${basePath}/ws/control/`
-  url.search = ''
-  url.hash = ''
-  return url.toString()
 }

frontend/src/lib/locale.ts

@@ -1,512 +0,0 @@
-import { computed, readonly, ref } from 'vue'
-
-export type Locale = 'zh-CN' | 'en-US'
-
-const LOCALE_STORAGE_KEY = 'robot-command-center.locale'
-const DEFAULT_LOCALE: Locale = 'zh-CN'
-
-const zhCNMessages = {
-  'common.loading': '加载中',
-  'common.waiting': '等待中',
-  'common.unavailable': '不可用',
-  'common.unknown': '未知',
-  'common.none': '无',
-  'common.na': 'n/a',
-  'common.yes': '是',
-  'common.no': '否',
-  'common.keyboard': '键盘',
-  'common.gamepad': '手柄',
-  'common.idle': '空闲',
-  'common.control': '控制',
-  'common.video': '视频',
-  'common.online': '在线',
-  'common.offline': '离线',
-  'common.fresh': '新鲜',
-  'common.stale': '过期',
-  'common.stable': '稳定',
-  'common.rising': '上升',
-  'common.falling': '下降',
-  'common.selected': '已选中',
-  'common.standby': '待命',
-  'common.turbo': '加速',
-  'common.ackLoop': 'ACK 闭环',
-  'common.srttFallback': 'SRTT 回退',
-  'common.requestFailed': '请求失败: {status} {statusText}',
-  'app.brandTitle': '机器人指挥中心',
-  'app.brandSubtitle': '远程机器人控制台',
-  'app.nav.overview': '概览',
-  'app.nav.video': '视频',
-  'app.nav.map': '地图定位',
-  'app.nav.network': '网络状态',
-  'app.localeToggle': 'English',
-  'dashboard.eyebrow': '概览',
-  'dashboard.title': '机器人指挥中心',
-  'dashboard.description': 'A 端统一后台进程持续刷新视频、控制仲裁和链路遥测。',
-  'networkView.eyebrow': '网络',
-  'networkView.title': '网络遥测',
-  'networkView.description': '查看 A <-> D 与 D <-> B 两段链路的实时队列、重传、窗口压力和延迟估计。',
-  'videoView.eyebrow': '视频',
-  'videoView.title': '视频监控',
-  'videoView.description': '查看机器人实时 JPEG 视频流、画面新鲜度和端到端延迟估计。',
-  'mapView.eyebrow': '地图',
-  'mapView.title': '地图定位',
-  'mapView.description': '查看机器人最新 GPS 数据，并按需使用高德地图做坐标转换和展示。',
-  'monitoring.loading': '正在连接 Django 后端并加载实时监控数据...',
-  'monitoring.connected': '仪表盘已连接。视频、GPS 和会话遥测正在持续刷新。',
-  'control.socket.open': 'WebSocket 已连接',
-  'control.socket.connecting': '连接中',
-  'control.socket.reconnecting': '重连中',
-  'control.server.waiting': '等待控制链路就绪',
-  'control.server.live': '控制链路已建立',
-  'control.gamepad.none': '未检测到手柄',
-  'control.gamepad.unnamed': '未命名手柄',
-  'control.gamepad.unknownMapping': '未知映射',
-  'control.key.stop': '停止',
-  'controlPanel.eyebrow': '控制',
-  'controlPanel.title': '控制反馈',
-  'controlPanel.resetDefaults': '恢复默认',
-  'controlPanel.inputModeEyebrow': '输入模式',
-  'controlPanel.inputModeCopy': '同一时刻只能有一种本地输入模式控制页面。',
-  'controlPanel.keyboardDetail': '使用 W/S、A/D、Q/E、Shift 和 Space。',
-  'controlPanel.gamepadDetail': '仅使用浏览器识别到的手柄。',
-  'controlPanel.forward': '前进',
-  'controlPanel.strafe': '横移',
-  'controlPanel.turn': '转向',
-  'controlPanel.turbo': '加速',
-  'controlPanel.keyboardHint': '键盘映射: W/S 前后, A/D 横移, Q/E 转向, Shift 加速, Space 停止。',
-  'controlPanel.tuningHint': '速度调节由两种本地输入模式共享，并保存在当前浏览器中。',
-  'controlPanel.gamepadHint': '手柄模式下左摇杆控制移动，右摇杆控制转向，RB 加速，A 发送停止。',
-  'controlFeedback.modeChip': '{mode} 模式',
-  'controlFeedback.forward': '前进',
-  'controlFeedback.strafe': '横移',
-  'controlFeedback.turn': '转向',
-  'controlFeedback.tuningSummary': '调参: 前进 {forward} m/s, 横移 {strafe} m/s, 转向 {turn} rad/s, 加速 x{turbo}',
-  'controlFeedback.keyboard': '键盘',
-  'controlFeedback.gamepad': '手柄',
-  'controlFeedback.waitingForController': '等待手柄接入',
-  'controlFeedback.gamepadMeta': '#{index} / 映射={mapping}',
-  'controlFeedback.gamepadHint': '左摇杆控制移动，右摇杆控制转向，RB 加速，A 停止。',
-  'controlFeedback.leftStick': '左摇杆',
-  'controlFeedback.rightStick': '右摇杆',
-  'controlFeedback.outgoingCommand': '当前发出命令: {command}',
-  'videoPanel.eyebrow': '视频',
-  'videoPanel.title': '实时视频',
-  'videoPanel.frameAlt': '机器人实时画面',
-  'videoPanel.waitingFrames': '等待实时视频帧',
-  'videoPanel.mode.loading': '加载中',
-  'videoPanel.mode.live': '{fps} FPS 实时',
-  'videoPanel.stats.frames': '帧数',
-  'videoPanel.stats.latestSeq': '最新序号',
-  'videoPanel.stats.videoE2E': '视频端到端估计',
-  'videoPanel.stats.paintDelay': '绘制延迟',
-  'videoPanel.section.pipeline': '流水线估计',
-  'videoPanel.section.freshness': '新鲜度',
-  'videoPanel.section.operator': '操作员闭环',
-  'videoPanel.captureToSend': '采集到发送',
-  'videoPanel.networkOneWay': '网络单程',
-  'videoPanel.partialEstimate': '部分估计',
-  'videoPanel.endToEndEstimate': '端到端估计',
-  'videoPanel.interFrameAvg': '帧间平均',
-  'videoPanel.interFrameP95': '帧间 p95',
-  'videoPanel.repeatedRatio': '重复比例',
-  'videoPanel.skipRatio': '跳帧比例',
-  'videoPanel.longestFreeze': '最长卡顿',
-  'videoPanel.lagFrames': '落后帧数',
-  'videoPanel.inputToNextSeq': '输入到下一新序号',
-  'videoPanel.inputToChangedFrame': '输入到下一变化帧',
-  'videoPanel.inputToPaint': '输入到下一次绘制',
-  'videoPanel.displayProbeRequestToPaint': '显示探针请求到绘制',
-  'videoPanel.senderClockDelta': '发送端时钟差',
-  'videoPanel.timing.waiting': '等待中',
-  'videoPanel.timing.noTrailer': '正在等待第一帧带有效 trailer 的视频数据',
-  'videoPanel.timing.rawHint': '这里只显示发送端原始时钟差，设备时钟未同步',
-  'videoPanel.noSourceDetail': '暂无实时视频详情',
-  'networkPanel.eyebrow': '网络',
-  'networkPanel.title': '双段链路遥测',
-  'networkPanel.controlLoopRtt': '控制闭环 RTT',
-  'networkPanel.controlToPersist': '控制到持久化',
-  'networkPanel.controlSrttOneWay': '控制单程 SRTT',
-  'networkPanel.videoOneWayEst': '视频单程估计',
-  'networkPanel.txRate': '发送速率',
-  'networkPanel.rxRate': '接收速率',
-  'networkPanel.robotFault': '机器人故障',
-  'networkPanel.recoveryState': '恢复状态',
-  'networkPanel.healthConfidence': '健康置信度',
-  'networkPanel.healthUpdated': '健康更新时间',
-  'networkPanel.transport': '传输',
-  'networkPanel.activeControl': '当前控制源',
-  'networkPanel.lease': '租约',
-  'networkPanel.ackMode': 'ACK 模式',
-  'networkPanel.ackUpdated': 'ACK 更新时间',
-  'networkPanel.telemetryPeer': '遥测 Peer',
-  'networkPanel.telemetryRegistered': '遥测已注册',
-  'networkPanel.hubFreshness': 'Hub 新鲜度',
-  'networkPanel.hubState': 'Hub 状态',
-  'networkPanel.telemetryReconnects': '遥测重连次数',
-  'networkPanel.hubError': 'Hub 错误',
-  'networkPanel.telemetrySessionError': '遥测会话错误',
-  'networkPanel.online': '在线',
-  'networkPanel.maxPressure': '最大压力',
-  'networkPanel.queued': '排队量',
-  'networkPanel.inFlightBuffer': '在途缓冲',
-  'networkPanel.retransDelta': '重传增量',
-  'networkPanel.repairRate': '修复率',
-  'networkPanel.updated': '更新时间',
-  'networkPanel.srtt': 'SRTT',
-  'networkPanel.rttvar': 'RTTVAR',
-  'networkPanel.rto': 'RTO',
-  'networkPanel.sndWnd': '发送窗口',
-  'networkPanel.rmtWnd': '远端窗口',
-  'networkPanel.inflight': '在途',
-  'networkPanel.windowLimit': '窗口上限',
-  'networkPanel.pressure': '压力',
-  'networkPanel.sndQueue': '发送队列',
-  'networkPanel.sndBuffer': '发送缓冲',
-  'networkPanel.queueDelta': '队列增量',
-  'networkPanel.bufferDelta': '缓冲增量',
-  'networkPanel.retrans': '重传',
-  'networkPanel.fastRetrans': '快速重传',
-  'networkPanel.lost': '丢失',
-  'networkPanel.repeat': '重复',
-  'networkPanel.appBytes': '应用字节',
-  'networkPanel.registered': '已注册',
-  'networkPanel.serverError': '服务端错误',
-  'networkPanel.combined': '总计',
-  'networkPanel.videoE2E': '视频端到端估计',
-  'networkPanel.controlEstimateConfidence': '控制估计置信度',
-  'networkPanel.videoFreshness': '视频新鲜度',
-  'networkPanel.videoFreshnessRepeat': '重复',
-  'networkPanel.videoFreshnessSkip': '跳帧',
-  'networkPanel.videoFreshnessFreeze': '卡顿',
-  'networkPanel.nativeUdp': '原生 UDP',
-  'networkPanel.controlSender': '控制发送端',
-  'networkPanel.ackReceiver': 'ACK 接收端',
-  'networkPanel.controlReconnects': '控制重连次数',
-  'networkPanel.controlSessionError': '控制会话错误',
-  'networkPanel.loadingPeer': '加载中',
-  'networkPanel.unassigned': '未分配',
-  'gpsMap.eyebrow': 'GPS',
-  'gpsMap.title': '地图定位',
-  'gpsMap.intro': '这里展示机器人最新的 GPS 定位，并在需要时调用高德地图做坐标转换。',
-  'gpsMap.keyPlaceholder': '高德 Web 端 Key',
-  'gpsMap.jscodePlaceholder': '安全密钥 jscode',
-  'gpsMap.loadMap': '加载地图',
-  'gpsMap.stopMap': '停止加载',
-  'gpsMap.status.waitingInit': '等待加载高德地图。',
-  'gpsMap.status.fillCredentials': '请先填写高德 Key 和安全密钥 jscode。',
-  'gpsMap.status.loading': '正在加载高德地图...',
-  'gpsMap.status.loaded': '地图已加载。',
-  'gpsMap.status.stopped': '已停止高德地图加载与坐标转换。需要时再点击“加载地图”即可。',
-  'gpsMap.status.waitingGps': '等待 GPS 数据。',
-  'gpsMap.status.noFix': 'GPS 在线，但当前还没有有效定位。',
-  'gpsMap.status.convertFailed': 'GPS 坐标转换失败。',
-  'gpsMap.status.refreshedSource': '地图已刷新，数据源: {source}',
-  'gpsMap.status.restoredConfig': '已恢复高德配置。地图不会自动加载，按需点击“加载地图”。',
-  'gpsMap.status.loadFailed': '地图加载失败。',
-  'gpsMap.mapPlaceholder': '高德地图当前未加载。点击上方“加载地图”后才会开始请求地图与坐标转换服务。',
-  'gpsMap.wgs84': 'WGS84 坐标',
-  'gpsMap.gcj02': '高德 GCJ-02',
-  'gpsMap.rawLatHex': '纬度原始 8 字节',
-  'gpsMap.rawLonHex': '经度原始 8 字节',
-  'gpsMap.utcTime': 'UTC 时间',
-  'gpsMap.satAltitude': '卫星 / 海拔',
-  'gpsMap.coordMeta': '坐标系 / 格式',
-  'gpsMap.lastUpdated': '最近刷新',
-  'gpsMap.noValue': '暂无',
-  'gpsMap.noValidFix': '暂无有效定位',
-  'gpsMap.infoTitle': '机器人 GPS 定位',
-  'gpsMap.infoSatellites': '卫星数',
-  'gpsMap.infoAltitude': '海拔',
-} as const
-
-export type MessageKey = keyof typeof zhCNMessages
-
-const enUSMessages: Record<MessageKey, string> = {
-  'common.loading': 'Loading',
-  'common.waiting': 'Waiting',
-  'common.unavailable': 'Unavailable',
-  'common.unknown': 'Unknown',
-  'common.none': 'None',
-  'common.na': 'n/a',
-  'common.yes': 'Yes',
-  'common.no': 'No',
-  'common.keyboard': 'Keyboard',
-  'common.gamepad': 'Gamepad',
-  'common.idle': 'Idle',
-  'common.control': 'Control',
-  'common.video': 'Video',
-  'common.online': 'Online',
-  'common.offline': 'Offline',
-  'common.fresh': 'Fresh',
-  'common.stale': 'Stale',
-  'common.stable': 'Stable',
-  'common.rising': 'Rising',
-  'common.falling': 'Falling',
-  'common.selected': 'Selected',
-  'common.standby': 'Standby',
-  'common.turbo': 'Turbo',
-  'common.ackLoop': 'ACK loop',
-  'common.srttFallback': 'SRTT fallback',
-  'common.requestFailed': 'Request failed: {status} {statusText}',
-  'app.brandTitle': 'Robot Command Center',
-  'app.brandSubtitle': 'Remote robot command console',
-  'app.nav.overview': 'Overview',
-  'app.nav.video': 'Video',
-  'app.nav.map': 'Map',
-  'app.nav.network': 'Network',
-  'app.localeToggle': '中文',
-  'dashboard.eyebrow': 'Overview',
-  'dashboard.title': 'Robot Command Center',
-  'dashboard.description': 'The A-side unified backend keeps video, control arbitration, and live transport telemetry refreshed.',
-  'networkView.eyebrow': 'Network',
-  'networkView.title': 'Network Telemetry',
-  'networkView.description': 'Inspect queueing, retransmissions, window pressure, and latency estimates for the A <-> D and D <-> B legs.',
-  'videoView.eyebrow': 'Video',
-  'videoView.title': 'Video Monitor',
-  'videoView.description': 'Inspect the live robot JPEG stream, freshness metrics, and end-to-end latency estimates.',
-  'mapView.eyebrow': 'Map',
-  'mapView.title': 'Map Positioning',
-  'mapView.description': 'Inspect the latest robot GPS fix and use AMap for coordinate conversion when needed.',
-  'monitoring.loading': 'Connecting to the Django backend and loading live monitoring data...',
-  'monitoring.connected': 'Dashboard connected. Video, GPS, and session telemetry are refreshing continuously.',
-  'control.socket.open': 'WebSocket open',
-  'control.socket.connecting': 'Connecting',
-  'control.socket.reconnecting': 'Reconnecting',
-  'control.server.waiting': 'Waiting for control link',
-  'control.server.live': 'Control link live',
-  'control.gamepad.none': 'No gamepad detected',
-  'control.gamepad.unnamed': 'Unnamed gamepad',
-  'control.gamepad.unknownMapping': 'unknown',
-  'control.key.stop': 'Stop',
-  'controlPanel.eyebrow': 'Control',
-  'controlPanel.title': 'Control Feedback',
-  'controlPanel.resetDefaults': 'Reset Defaults',
-  'controlPanel.inputModeEyebrow': 'Input Mode',
-  'controlPanel.inputModeCopy': 'Only one local input mode can control the page at a time.',
-  'controlPanel.keyboardDetail': 'Use W/S, A/D, Q/E, Shift, and Space.',
-  'controlPanel.gamepadDetail': 'Use the browser-detected controller only.',
-  'controlPanel.forward': 'Forward',
-  'controlPanel.strafe': 'Strafe',
-  'controlPanel.turn': 'Turn',
-  'controlPanel.turbo': 'Turbo',
-  'controlPanel.keyboardHint': 'Keyboard mapping: W/S forward-back, A/D strafe, Q/E turn, Shift turbo, Space stop.',
-  'controlPanel.tuningHint': 'Speed tuning is shared by both local input modes and saved in this browser.',
-  'controlPanel.gamepadHint': 'Gamepad mode uses the left stick to drive, the right stick to turn, RB to boost, and A to stop.',
-  'controlFeedback.modeChip': '{mode} mode',
-  'controlFeedback.forward': 'Forward',
-  'controlFeedback.strafe': 'Strafe',
-  'controlFeedback.turn': 'Turn',
-  'controlFeedback.tuningSummary': 'Tuning: fwd {forward} m/s, strafe {strafe} m/s, turn {turn} rad/s, turbo x{turbo}',
-  'controlFeedback.keyboard': 'Keyboard',
-  'controlFeedback.gamepad': 'Gamepad',
-  'controlFeedback.waitingForController': 'Waiting for controller',
-  'controlFeedback.gamepadMeta': '#{index} / mapping={mapping}',
-  'controlFeedback.gamepadHint': 'Left stick drives, right stick turns, RB boosts, A stops.',
-  'controlFeedback.leftStick': 'Left stick',
-  'controlFeedback.rightStick': 'Right stick',
-  'controlFeedback.outgoingCommand': 'Outgoing command: {command}',
-  'videoPanel.eyebrow': 'Video',
-  'videoPanel.title': 'Live Video',
-  'videoPanel.frameAlt': 'Robot live frame',
-  'videoPanel.waitingFrames': 'waiting for live video frames',
-  'videoPanel.mode.loading': 'loading',
-  'videoPanel.mode.live': '{fps} FPS live',
-  'videoPanel.stats.frames': 'Frames',
-  'videoPanel.stats.latestSeq': 'Latest Seq',
-  'videoPanel.stats.videoE2E': 'Video E2E Est.',
-  'videoPanel.stats.paintDelay': 'Paint Delay',
-  'videoPanel.section.pipeline': 'Pipeline Estimate',
-  'videoPanel.section.freshness': 'Freshness',
-  'videoPanel.section.operator': 'Operator Loop',
-  'videoPanel.captureToSend': 'Capture to send',
-  'videoPanel.networkOneWay': 'Network one-way',
-  'videoPanel.partialEstimate': 'Partial estimate',
-  'videoPanel.endToEndEstimate': 'End-to-end estimate',
-  'videoPanel.interFrameAvg': 'Inter-frame avg',
-  'videoPanel.interFrameP95': 'Inter-frame p95',
-  'videoPanel.repeatedRatio': 'Repeated ratio',
-  'videoPanel.skipRatio': 'Skip ratio',
-  'videoPanel.longestFreeze': 'Longest freeze',
-  'videoPanel.lagFrames': 'Lag frames',
-  'videoPanel.inputToNextSeq': 'Input to next seq',
-  'videoPanel.inputToChangedFrame': 'Input to changed frame',
-  'videoPanel.inputToPaint': 'Input to paint',
-  'videoPanel.displayProbeRequestToPaint': 'Display probe request-to-paint',
-  'videoPanel.senderClockDelta': 'Sender Clock Delta',
-  'videoPanel.timing.waiting': 'waiting',
-  'videoPanel.timing.noTrailer': 'waiting for the first valid video trailer',
-  'videoPanel.timing.rawHint': 'raw sender clock delta only, unsynced clocks',
-  'videoPanel.noSourceDetail': 'no live video detail available',
-  'networkPanel.eyebrow': 'Network',
-  'networkPanel.title': 'Dual-Leg Telemetry',
-  'networkPanel.controlLoopRtt': 'Control Loop RTT',
-  'networkPanel.controlToPersist': 'Control to Persist',
-  'networkPanel.controlSrttOneWay': 'Control SRTT One-way',
-  'networkPanel.videoOneWayEst': 'Video One-way Est.',
-  'networkPanel.txRate': 'TX Rate',
-  'networkPanel.rxRate': 'RX Rate',
-  'networkPanel.robotFault': 'Robot Fault',
-  'networkPanel.recoveryState': 'Recovery State',
-  'networkPanel.healthConfidence': 'Health Confidence',
-  'networkPanel.healthUpdated': 'Health Updated',
-  'networkPanel.transport': 'Transport',
-  'networkPanel.activeControl': 'Active Control',
-  'networkPanel.lease': 'Lease',
-  'networkPanel.ackMode': 'ACK Mode',
-  'networkPanel.ackUpdated': 'ACK Updated',
-  'networkPanel.telemetryPeer': 'Telemetry Peer',
-  'networkPanel.telemetryRegistered': 'Telemetry Registered',
-  'networkPanel.hubFreshness': 'Hub Freshness',
-  'networkPanel.hubState': 'Hub State',
-  'networkPanel.telemetryReconnects': 'Telemetry Reconnects',
-  'networkPanel.hubError': 'Hub Error',
-  'networkPanel.telemetrySessionError': 'Telemetry Session Error',
-  'networkPanel.online': 'Online',
-  'networkPanel.maxPressure': 'Max Pressure',
-  'networkPanel.queued': 'Queued',
-  'networkPanel.inFlightBuffer': 'In Flight Buffer',
-  'networkPanel.retransDelta': 'Retrans Delta',
-  'networkPanel.repairRate': 'Repair Rate',
-  'networkPanel.updated': 'Updated',
-  'networkPanel.srtt': 'SRTT',
-  'networkPanel.rttvar': 'RTTVAR',
-  'networkPanel.rto': 'RTO',
-  'networkPanel.sndWnd': 'SND WND',
-  'networkPanel.rmtWnd': 'RMT WND',
-  'networkPanel.inflight': 'Inflight',
-  'networkPanel.windowLimit': 'Window Limit',
-  'networkPanel.pressure': 'Pressure',
-  'networkPanel.sndQueue': 'SND Queue',
-  'networkPanel.sndBuffer': 'SND Buffer',
-  'networkPanel.queueDelta': 'Queue Delta',
-  'networkPanel.bufferDelta': 'Buffer Delta',
-  'networkPanel.retrans': 'Retrans',
-  'networkPanel.fastRetrans': 'Fast Retrans',
-  'networkPanel.lost': 'Lost',
-  'networkPanel.repeat': 'Repeat',
-  'networkPanel.appBytes': 'App Bytes',
-  'networkPanel.registered': 'Registered',
-  'networkPanel.serverError': 'Server Error',
-  'networkPanel.combined': 'Combined',
-  'networkPanel.videoE2E': 'Video E2E Est.',
-  'networkPanel.controlEstimateConfidence': 'Control Estimate Confidence',
-  'networkPanel.videoFreshness': 'Video Freshness',
-  'networkPanel.videoFreshnessRepeat': 'repeat',
-  'networkPanel.videoFreshnessSkip': 'skip',
-  'networkPanel.videoFreshnessFreeze': 'freeze',
-  'networkPanel.nativeUdp': 'Native UDP',
-  'networkPanel.controlSender': 'Control Sender',
-  'networkPanel.ackReceiver': 'ACK Receiver',
-  'networkPanel.controlReconnects': 'Control Reconnects',
-  'networkPanel.controlSessionError': 'Control Session Error',
-  'networkPanel.loadingPeer': 'loading',
-  'networkPanel.unassigned': 'unassigned',
-  'gpsMap.eyebrow': 'GPS',
-  'gpsMap.title': 'Map Positioning',
-  'gpsMap.intro': 'This panel displays the latest robot GPS fix and uses AMap for coordinate conversion when needed.',
-  'gpsMap.keyPlaceholder': 'AMap Web Key',
-  'gpsMap.jscodePlaceholder': 'Security jscode',
-  'gpsMap.loadMap': 'Load Map',
-  'gpsMap.stopMap': 'Stop Loading',
-  'gpsMap.status.waitingInit': 'Waiting to load AMap.',
-  'gpsMap.status.fillCredentials': 'Please enter the AMap key and security jscode first.',
-  'gpsMap.status.loading': 'Loading AMap...',
-  'gpsMap.status.loaded': 'Map loaded.',
-  'gpsMap.status.stopped': 'Stopped AMap loading and coordinate conversion. Click "Load Map" again when needed.',
-  'gpsMap.status.waitingGps': 'Waiting for GPS data.',
-  'gpsMap.status.noFix': 'GPS is online, but there is no valid fix yet.',
-  'gpsMap.status.convertFailed': 'GPS coordinate conversion failed.',
-  'gpsMap.status.refreshedSource': 'Map refreshed, source: {source}',
-  'gpsMap.status.restoredConfig': 'Recovered saved AMap config. The map will not auto-load; click "Load Map" when needed.',
-  'gpsMap.status.loadFailed': 'Map loading failed.',
-  'gpsMap.mapPlaceholder': 'AMap is not loaded right now. Click "Load Map" above before requesting map and coordinate conversion services.',
-  'gpsMap.wgs84': 'WGS84 Coordinates',
-  'gpsMap.gcj02': 'AMap GCJ-02',
-  'gpsMap.rawLatHex': 'Raw Latitude 8 Bytes',
-  'gpsMap.rawLonHex': 'Raw Longitude 8 Bytes',
-  'gpsMap.utcTime': 'UTC Time',
-  'gpsMap.satAltitude': 'Satellites / Altitude',
-  'gpsMap.coordMeta': 'Coordinate System / Format',
-  'gpsMap.lastUpdated': 'Last Updated',
-  'gpsMap.noValue': 'Unavailable',
-  'gpsMap.noValidFix': 'No valid fix',
-  'gpsMap.infoTitle': 'Robot GPS Position',
-  'gpsMap.infoSatellites': 'Satellites',
-  'gpsMap.infoAltitude': 'Altitude',
-}
-
-const messages: Record<Locale, Record<MessageKey, string>> = {
-  'zh-CN': zhCNMessages,
-  'en-US': enUSMessages,
-}
-
-function normalizeLocale(raw: unknown): Locale {
-  return raw === 'en-US' ? 'en-US' : DEFAULT_LOCALE
-}
-
-function loadStoredLocale(): Locale {
-  if (typeof window === 'undefined') {
-    return DEFAULT_LOCALE
-  }
-  try {
-    return normalizeLocale(window.localStorage.getItem(LOCALE_STORAGE_KEY))
-  } catch {
-    return DEFAULT_LOCALE
-  }
-}
-
-const localeState = ref<Locale>(loadStoredLocale())
-
-function storeLocale(locale: Locale) {
-  if (typeof window === 'undefined') {
-    return
-  }
-  try {
-    window.localStorage.setItem(LOCALE_STORAGE_KEY, locale)
-  } catch {
-    // Ignore storage failures; locale still works for current session.
-  }
-}
-
-function interpolate(template: string, params?: Record<string, string | number | null | undefined>) {
-  if (!params) {
-    return template
-  }
-  return template.replace(/\{(\w+)\}/g, (_, key: string) => String(params[key] ?? ''))
-}
-
-export function t(key: MessageKey, params?: Record<string, string | number | null | undefined>) {
-  const template = messages[localeState.value][key] ?? key
-  return interpolate(template, params)
-}
-
-export function formatDateTime(value?: string | null) {
-  if (!value) {
-    return t('common.unavailable')
-  }
-  return new Date(value).toLocaleString(localeState.value, { hour12: false })
-}
-
-export function setLocale(locale: Locale) {
-  const next = normalizeLocale(locale)
-  if (localeState.value === next) {
-    return
-  }
-  localeState.value = next
-  storeLocale(next)
-}
-
-export function toggleLocale() {
-  setLocale(localeState.value === 'zh-CN' ? 'en-US' : 'zh-CN')
-}
-
-export function useLocale() {
-  return {
-    locale: readonly(localeState),
-    setLocale,
-    toggleLocale,
-    t,
-    formatDateTime,
-    nextLocaleLabel: computed(() => t('app.localeToggle')),
-  }
-}

frontend/src/types.ts

@@ -3,8 +3,6 @@ export interface GpsTelemetry {
   utc_time: string
   latitude: number | null
   longitude: number | null
-  raw_latitude_hex?: string
-  raw_longitude_hex?: string
   satellites: number | null
   altitude_m: number | null
   coordinate_system: string
@@ -14,236 +12,18 @@ export interface GpsTelemetry {
   updated_at: string
 }
 
-export interface SessionAppStats {
-  connected: number
-  registered?: number
-  send_calls?: number
-  send_bytes?: number
-  send_errors?: number
-  recv_calls?: number
-  recv_bytes?: number
-  recv_timeouts?: number
-  recv_errors?: number
-  last_server_error?: string
-}
-
-export interface SessionKcpStats {
-  connected?: number
-  conv?: number
-  rto_ms?: number
-  srtt_ms?: number
-  min_srtt_ms?: number
-  srttvar_ms?: number
-  last_feedback_age_ms?: number
-  snd_wnd?: number
-  rmt_wnd?: number
-  inflight?: number
-  window_limit?: number
-  window_pressure_pct?: number
-  snd_queue?: number
-  rcv_queue?: number
-  snd_buffer?: number
-  out_segs_total?: number
-  retrans_total?: number
-  fast_retrans_total?: number
-  lost_total?: number
-  repeat_total?: number
-  xmit_total?: number
-}
-
-export interface SessionTelemetry {
-  app: SessionAppStats
-  kcp: SessionKcpStats
-}
-
-export interface SessionTrendStats {
-  snd_queue_delta: number
-  snd_buffer_delta: number
-  snd_queue_trend: string
-  snd_buffer_trend: string
-  retrans_delta: number
-  fast_retrans_delta: number
-  lost_delta: number
-  repeat_delta: number
-  out_segs_delta: number
-  repair_rate_pct: number
-}
-
-export interface LinkSessionTelemetry {
-  peer_id: string
-  connected: boolean
-  updated_at: string | null
-  stale: boolean
-  app: SessionAppStats | null
-  kcp: SessionKcpStats
-  trend: SessionTrendStats
-}
-
-export interface LinkAggregateTelemetry {
-  online_sessions: number
-  max_window_pressure_pct: number
-  sum_snd_queue: number
-  sum_snd_buffer: number
-  sum_retrans_delta: number
-  sum_out_segs_delta: number
-  repair_rate_pct: number
-}
-
-export interface LinkTelemetry {
-  source: string
-  updated_at: string | null
-  stale: boolean
-  aggregate: LinkAggregateTelemetry
-  sessions: {
-    control: LinkSessionTelemetry
-    video: LinkSessionTelemetry
-  }
-}
-
-export interface NativeUdpIngress {
-  started: boolean
-  bind_addr: string
-  packets_received: number
-  invalid_packets: number
-  last_sender: string
-  last_error: string
-}
-
-export interface ControlArbiterStatus {
-  active_source: string | null
-  control_lease_remaining_ms: number
-  packet_counts: Record<string, number>
-  send_rate_hz: number
-  source_lease_ms: number
-  zero_burst_packets: number
-  last_error: string
-  last_sent_at_monotonic: number
-}
-
-export interface ControlSenderStatus {
-  backend_ready: boolean
-  started: boolean
-  connected: boolean
-  registered: boolean
-  peer_id: string
-  target_peer: string
-  send_count: number
-  send_errors: number
-  drain_errors: number
-  reconnect_count: number
-  last_server_error: string
-  last_error: string
-}
-
-export interface ControlAckReceiverStatus {
-  backend_ready: boolean
-  started: boolean
-  connected: boolean
-  peer_id: string
-  expected_sender: string
-  reconnect_count: number
-  last_error: string
-}
-
-export interface TelemetryReceiverStatus {
-  hub_connected: boolean
-  hub_updated_at: string | null
-  hub_stale: boolean
-  last_error: string
-  peer_id: string
-  registered: boolean
-  last_server_error: string
-  reconnect_count: number
-}
-
-export interface RobotHealthStatus {
-  fault_reason: string
-  recovery_state: string
-  confidence: string
-  updated_at: string
-}
-
-export interface VideoFreshnessStatus {
-  inter_frame_avg_ms: number | null
-  inter_frame_p95_ms: number | null
-  repeated_frame_ratio: number
-  skip_ratio: number
-  longest_freeze_ms: number
-  stale_frame_run_length: number
-  relative_freshness_lag_frames: number
-}
-
-export interface LatencyEstimateStatus {
-  control_loop_rtt_ms: number | null
-  control_to_persist_est_ms: number | null
-  control_oneway_srtt_est_ms: number | null
-  control_oneway_bestcase_est_ms: number | null
-  video_network_oneway_est_ms: number | null
-  video_partial_est_ms: number | null
-  video_e2e_est_ms: number | null
-  estimate_method: {
-    control: string
-    video: string
-  }
-  clock_sync_required: boolean
-  assumptions: string[]
-  confidence: {
-    control: string
-    video: string
-  }
-}
-
-export interface ControlAckStatus {
-  ack_available: boolean
-  updated_at: string | null
-  control_loop_rtt_ms: number | null
-  b_recv_to_persist_ms: number | null
-  control_oneway_network_est_ms: number | null
-  control_to_persist_est_ms: number | null
-  sample_reason: string | null
-  receiver: ControlAckReceiverStatus
-}
-
 export interface NetworkTelemetry {
   peer_status: string
-  latency_ms: number | null
+  latency_ms: number
-  jitter_ms: number | null
+  jitter_ms: number
-  packet_loss_pct: number | null
+  retrans_pct: number
+  packet_loss_pct?: number
   tx_kbps: number
   rx_kbps: number
+  signal_dbm: number | null
   transport: string
   source_mode: string
   updated_at: string
-  active_control_source: string | null
-  control_lease_remaining_ms: number
-  combined: {
-    connected_sessions: number
-    send_bytes: number
-    recv_bytes: number
-    tx_kbps: number
-    rx_kbps: number
-  }
-  sessions: {
-    video: SessionTelemetry
-    control: SessionTelemetry
-  }
-  links: {
-    a_to_d: LinkTelemetry
-    d_to_b: LinkTelemetry
-  }
-  latency_estimate: LatencyEstimateStatus
-  video_freshness: VideoFreshnessStatus
-  control_ack_status: ControlAckStatus
-  telemetry_receiver: TelemetryReceiverStatus
-  robot_health: RobotHealthStatus
-  ingress: {
-    native_udp: NativeUdpIngress
-  }
-  control: {
-    arbiter: ControlArbiterStatus
-    sender: ControlSenderStatus
-    ack_receiver: ControlAckReceiverStatus
-  }
 }
 
 export interface VideoStatus {
@@ -253,67 +33,19 @@ export interface VideoStatus {
   fps: number
   frame_dir: string
   source_detail?: string
-  timing?: {
-    available: boolean
-    sender_clock_delta_ms_raw: number | null
-    sender_clock_delta_samples_ms_raw: number[]
-    sample_count: number
-    sample_window_size: number
-    timestamp_unit: string | null
-    timestamp_endianness: string | null
-    unsynced_clock: boolean
-  }
-  freshness?: VideoFreshnessStatus
-  display_probe?: {
-    updated_at: string | null
-    frame_seq: number | null
-    frame_hash: string
-    input_to_next_fresh_frame_ms: number | null
-    input_to_next_changed_frame_ms: number | null
-    input_to_next_paint_ms: number | null
-    request_to_paint_ms: number | null
-    response_to_paint_ms: number | null
-    backend_to_request_ms: number | null
-    backend_to_request_ms_raw: number | null
-    backend_to_paint_ms: number | null
-    backend_to_paint_ms_raw: number | null
-    browser_backend_clock_offset_ms: number | null
-    browser_backend_clock_rtt_ms: number | null
-    browser_backend_clock_sample_count: number
-    browser_backend_clock_calibrated_at: string | null
-  }
   receiver?: {
     backend_ready: boolean
     mode: string
     connected: boolean
-    registered: boolean
     has_recent_frame: boolean
     frames_received: number
     latest_sequence: number | null
-    latest_frame_hash?: string
-    latest_backend_received_unix_ns?: number | null
-    latest_backend_received_mono_ns?: number | null
-    latest_frame_bytes?: number
-    latest_capture_to_send_ms?: number | null
-    reconnect_count: number
-    last_server_error: string
     last_error: string
     config_path: string
     server_addr?: string
     relay_via?: string
     peer_id?: string
     buffer_bytes?: number
-    timing?: {
-      available: boolean
-      sender_clock_delta_ms_raw: number | null
-      sender_clock_delta_samples_ms_raw: number[]
-      sample_count: number
-      sample_window_size: number
-      timestamp_unit: string | null
-      timestamp_endianness: string | null
-      unsynced_clock: boolean
-    }
-    freshness?: VideoFreshnessStatus
   }
 }
 

frontend/src/views/DashboardView.vue

@@ -1,9 +1,7 @@
 <script setup lang="ts">
-import ControlPanel from '@/components/ControlPanel.vue'
 import GpsMapPanel from '@/components/GpsMapPanel.vue'
 import NetworkPanel from '@/components/NetworkPanel.vue'
 import VideoPanel from '@/components/VideoPanel.vue'
-import { t } from '@/lib/locale'
 import { useMonitoringData } from '@/composables/useMonitoringData'
 
 const { gps, network, video, errorMessage, headerStatus } = useMonitoringData()
@@ -13,10 +11,13 @@ const { gps, network, video, errorMessage, headerStatus } = useMonitoringData()
   <div class="page-shell">
     <header class="hero">
       <div>
-        <p class="eyebrow">{{ t('dashboard.eyebrow') }}</p>
+        <p class="eyebrow">Overview</p>
-        <h1>{{ t('dashboard.title') }}</h1>
+        <h1>机器人竞赛指挥台</h1>
       </div>
-      <p class="hero-text">{{ t('dashboard.description') }}</p>
+      <p class="hero-text">
+        当前版本已经接通三块核心能力：JPEG 视频流、GPS 地图定位、网络状态展示。后面接真实
+        C 数据源时，前端页面不需要大改。
+      </p>
     </header>
 
     <section class="banner" :class="{ error: !!errorMessage }">
@@ -24,11 +25,7 @@ const { gps, network, video, errorMessage, headerStatus } = useMonitoringData()
     </section>
 
     <main class="layout">
-      <section class="primary-grid">
+      <VideoPanel :video="video" />
-        <VideoPanel :video="video" :network="network" />
-        <ControlPanel />
-      </section>
-
       <GpsMapPanel :gps="gps" />
       <NetworkPanel :network="network" />
     </main>
@@ -88,19 +85,6 @@ h1 {
   gap: 20px;
 }
 
-.primary-grid {
-  display: grid;
-  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 0.95fr);
-  gap: 20px;
-  align-items: start;
-}
-
-@media (max-width: 1280px) {
-  .primary-grid {
-    grid-template-columns: 1fr;
-  }
-}
-
 @media (max-width: 960px) {
   .hero {
     grid-template-columns: 1fr;

frontend/src/views/MapView.vue

@@ -1,6 +1,5 @@
 <script setup lang="ts">
 import GpsMapPanel from '@/components/GpsMapPanel.vue'
-import { t } from '@/lib/locale'
 import { useMonitoringData } from '@/composables/useMonitoringData'
 
 const { gps, errorMessage, headerStatus } = useMonitoringData({
@@ -12,10 +11,13 @@ const { gps, errorMessage, headerStatus } = useMonitoringData({
   <div class="page-shell">
     <header class="page-header">
       <div>
-        <p class="eyebrow">{{ t('mapView.eyebrow') }}</p>
+        <p class="eyebrow">Map</p>
-        <h1>{{ t('mapView.title') }}</h1>
+        <h1>地图定位页面</h1>
       </div>
-      <p class="description">{{ t('mapView.description') }}</p>
+      <p class="description">
+        这里整合了 `GeoStream` 的 GPS 展示逻辑。只要原来的 GPS 模块继续写
+        `gps_latest.json`，这个页面就能直接显示实时定位。
+      </p>
     </header>
 
     <section class="banner" :class="{ error: !!errorMessage }">

frontend/src/views/NetworkView.vue

@@ -1,21 +1,20 @@
 <script setup lang="ts">
 import NetworkPanel from '@/components/NetworkPanel.vue'
-import { t } from '@/lib/locale'
 import { useMonitoringData } from '@/composables/useMonitoringData'
 
-const { network, errorMessage, headerStatus } = useMonitoringData({
+const { network, errorMessage, headerStatus } = useMonitoringData()
-  refreshIntervalMs: 500,
-})
 </script>
 
 <template>
   <div class="page-shell">
     <header class="page-header">
       <div>
-        <p class="eyebrow">{{ t('networkView.eyebrow') }}</p>
+        <p class="eyebrow">Network</p>
-        <h1>{{ t('networkView.title') }}</h1>
+        <h1>网络状态页面</h1>
       </div>
-      <p class="description">{{ t('networkView.description') }}</p>
+      <p class="description">
+        当前先展示模拟网络遥测数据，后续只需要把后端采集函数替换成真实 C 输出，就能保留同样的渲染界面。
+      </p>
     </header>
 
     <section class="banner" :class="{ error: !!errorMessage }">
@@ -70,3 +69,4 @@ h1 {
   border-color: rgba(255, 107, 107, 0.28);
 }
 </style>
+

frontend/src/views/VideoView.vue

@@ -1,26 +1,25 @@
 <script setup lang="ts">
 import VideoPanel from '@/components/VideoPanel.vue'
-import { t } from '@/lib/locale'
 import { useMonitoringData } from '@/composables/useMonitoringData'
 
-const { video, network, errorMessage, headerStatus } = useMonitoringData()
+const { video, errorMessage, headerStatus } = useMonitoringData()
 </script>
 
 <template>
   <div class="page-shell">
     <header class="page-header">
       <div>
-        <p class="eyebrow">{{ t('videoView.eyebrow') }}</p>
+        <p class="eyebrow">Video</p>
-        <h1>{{ t('videoView.title') }}</h1>
+        <h1>视频流页面</h1>
       </div>
-      <p class="description">{{ t('videoView.description') }}</p>
+      <p class="description">这个页面专门用于看逐帧 JPEG 画面。前端会按固定频率请求单张 JPEG，后端每次返回一帧。</p>
     </header>
 
     <section class="banner" :class="{ error: !!errorMessage }">
       {{ headerStatus }}
     </section>
 
-    <VideoPanel :video="video" :network="network" />
+    <VideoPanel :video="video" />
   </div>
 </template>