feat: 完善 USB UVC 设备异常处理，添加 USB 设备复位功能

web/src/i18n/en-US.ts

@@ -328,6 +328,14 @@ export default {
         title: 'Video channel busy',
         detail: 'Applying a new configuration or another component is using the device, please wait…',
       },
+      uvc_usb_error: {
+        title: 'USB capture transport error',
+        detail: 'The USB capture device encountered a protocol error (EPROTO). You can try resetting the device from Settings → Environment → USB Devices.',
+      },
+      uvc_capture_stall: {
+        title: 'UVC capture stalled',
+        detail: 'Check the device connection. If already connected, try changing the capture format and resetting the device.',
+      },
       reason: {
         no_cable: 'HDMI cable not detected — check the cable and that the target is powered on',
         no_sync: 'Unstable signal: timings could not be locked — try a lower resolution or refresh rate',
@@ -337,6 +345,9 @@ export default {
         device_lost: 'Video node disappeared, waiting for the driver to recover',
         config_changing: 'Applying new configuration',
         mode_switching: 'Switching video mode',
+        uvc_usb_error:
+          'Try another USB port or cable, avoid hubs, or reconnect the device. You can also reset the device from Settings → Environment → USB Devices.',
+        uvc_capture_stall: '',
       },
     },
     // WebRTC
@@ -836,6 +847,21 @@ export default {
       currentHardwareEncoder: 'Current Hardware Encoder',
       none: 'None',
     },
+    usbDevices: {
+      title: 'USB Devices',
+      desc: 'View connected USB devices and reset them to recover from errors',
+      refresh: 'Refresh',
+      loadFailed: 'Failed to load USB device list',
+      noDevices: 'No USB devices found',
+      colDevice: 'Device',
+      colSpeed: 'Speed',
+      colVideo: 'Video',
+      colAction: 'Action',
+      reset: 'Reset',
+      resetConfirmTitle: 'Confirm USB Device Reset',
+      resetConfirmDesc: 'This will reset USB device "{device}" by cycling its authorized attribute. All connections to this device will be temporarily interrupted. Continue?',
+      resetAction: 'Reset Device',
+    },
     // WebRTC / ICE
     webrtcSettings: 'WebRTC Settings',
     webrtcSettingsDesc: 'Configure STUN/TURN servers for NAT traversal',

web/src/i18n/zh-CN.ts

@@ -327,6 +327,14 @@ export default {
         title: '视频通道忙',
         detail: '正在切换配置或被其他组件占用，请稍候…',
       },
+      uvc_usb_error: {
+        title: 'USB 采集传输异常',
+        detail: 'USB 采集卡遇到协议错误（EPROTO），可在 设置 → 环境 → USB 设备 中尝试复位。',
+      },
+      uvc_capture_stall: {
+        title: 'UVC 采集超时',
+        detail: '检查设备连接，若设备已连接，可尝试修改采集格式并复位设备。',
+      },
       reason: {
         no_cable: '未检测到 HDMI 线缆，请检查连接或被控机是否已开机',
         no_sync: '信号不稳定，无法锁定时序，可尝试降低被控机分辨率/刷新率',
@@ -336,6 +344,9 @@ export default {
         device_lost: '视频节点丢失，等待驱动恢复',
         config_changing: '正在应用新配置',
         mode_switching: '正在切换视频模式',
+        uvc_usb_error:
+          '可尝试更换 USB 口或线、避免 HUB、或重新插拔设备；也可在 设置 → 环境 → USB 设备 中复位。',
+        uvc_capture_stall: '',
       },
     },
     // WebRTC
@@ -835,6 +846,21 @@ export default {
       currentHardwareEncoder: '当前硬件编码器',
       none: '无',
     },
+    usbDevices: {
+      title: 'USB 设备',
+      desc: '查看已连接的 USB 设备，可通过复位恢复异常设备',
+      refresh: '刷新',
+      loadFailed: '加载 USB 设备列表失败',
+      noDevices: '未发现 USB 设备',
+      colDevice: '设备',
+      colSpeed: '速度',
+      colVideo: '视频',
+      colAction: '操作',
+      reset: '复位',
+      resetConfirmTitle: '确认复位 USB 设备',
+      resetConfirmDesc: '将通过 authorized 属性复位 USB 设备「{device}」，该设备上的所有连接将短暂中断。确定继续？',
+      resetAction: '确认复位',
+    },
     // WebRTC / ICE
     webrtcSettings: 'WebRTC 设置',
     webrtcSettingsDesc: '配置 STUN/TURN 服务器以实现 NAT 穿透',