feat: 自动建立实时监看媒体路径 (#51)

Sense/ui/src/views/sense/liveview/LiveView.vue

@@ -2,14 +2,14 @@
   <section class="page-container">
     <div class="page-heading"><div><h1>实时监看</h1><p>一次打开一路视频，可在已验证的主、子码流之间切换。</p></div><el-tag v-if="session.expires_at" type="info">会话短期有效</el-tag></div>
     <el-row :gutter="16">
-      <el-col :span="7"><el-card shadow="never"><template #header><strong>选择视频</strong></template><el-form label-position="top"><el-form-item label="设备与 Profile"><el-select v-model="selectedRoute" filterable placeholder="选择一路视频" style="width:100%" @change="open"><el-option v-for="item in routes" :key="item.id" :label="`${item.device_id} · ${profileLabel(item.profile_token)}`" :value="item.id"><span>{{ item.device_id }}</span><span class="option-detail">{{ profileLabel(item.profile_token) }} · {{ stateLabel(item.actual) }}</span></el-option></el-select></el-form-item></el-form><el-descriptions v-if="current" :column="1" border><el-descriptions-item label="设备">{{ current.device_id }}</el-descriptions-item><el-descriptions-item label="Profile">{{ profileLabel(current.profile_token) }}</el-descriptions-item><el-descriptions-item label="媒体状态"><el-tag :type="current.actual === 'ready' ? 'success' : 'warning'">{{ stateLabel(current.actual) }}</el-tag></el-descriptions-item><el-descriptions-item label="观看连接">{{ current.readers }}</el-descriptions-item></el-descriptions><el-alert v-else title="先在视频服务中建立并对账媒体路径" type="info" show-icon :closable="false" /></el-card></el-col>
+      <el-col :span="7"><el-card shadow="never"><template #header><strong>选择视频</strong></template><el-form label-position="top"><el-form-item label="设备与码流"><el-select v-model="selectedRoute" filterable placeholder="选择一路视频" style="width:100%" @change="open"><el-option v-for="item in routes" :key="item.id" :label="`${item.device_name} · ${profileLabel(item)}`" :value="item.id"><span>{{ item.device_name }}</span><span class="option-detail">{{ profileLabel(item) }} · {{ stateLabel(item.actual) }}</span></el-option></el-select></el-form-item></el-form><el-descriptions v-if="current" :column="1" border><el-descriptions-item label="设备">{{ current.device_name }}</el-descriptions-item><el-descriptions-item label="位置">{{ current.device_location || '未填写' }}</el-descriptions-item><el-descriptions-item label="码流">{{ profileLabel(current) }}</el-descriptions-item><el-descriptions-item label="媒体状态"><el-tag :type="current.actual === 'ready' ? 'success' : 'warning'">{{ stateLabel(current.actual) }}</el-tag></el-descriptions-item><el-descriptions-item label="观看连接">{{ current.readers }}</el-descriptions-item></el-descriptions><el-alert v-else title="请先在视频接入完成检查；系统会自动建立媒体路径。若仍无视频，请到视频服务排错。" type="info" show-icon :closable="false" /></el-card></el-col>
       <el-col :span="17"><el-card shadow="never"><template #header><div class="player-header"><strong>单路画面</strong><el-button v-if="selectedRoute" :icon="Refresh" @click="retry">重新连接</el-button></div></template><StreamPlayer :state="playerState" :detail="playerDetail" :player-url="session.player_url" @retry="retry" /></el-card></el-col>
     </el-row>
   </section>
 </template>
 <script setup>
 import{computed,onBeforeUnmount,onMounted,reactive,ref}from'vue';import{ElMessage}from'element-plus';import{Refresh}from'@element-plus/icons-vue';import{createSession,getSession,playbackRoutes}from'../../../api/sense/liveview';import StreamPlayer from'../../../components/sense/liveview/StreamPlayer.vue'
-const routes=ref([]),selectedRoute=ref(''),session=reactive({}),playerState=ref('waiting'),playerDetail=ref('请选择一路视频'),timer=ref();const current=computed(()=>routes.value.find(item=>item.id===selectedRoute.value));function profileLabel(value){return value?.toLowerCase().includes('sub')?'子码流':value?.toLowerCase().includes('main')?'主码流':value}function stateLabel(value){return({ready:'正常',waiting:'等待视频',stopped:'已停止',process_failed:'服务未启动',apply_failed:'配置失败',unconverged:'状态未同步'})[value]||value}
+const routes=ref([]),selectedRoute=ref(''),session=reactive({}),playerState=ref('waiting'),playerDetail=ref('请选择一路视频'),timer=ref();const current=computed(()=>routes.value.find(item=>item.id===selectedRoute.value));function profileLabel(item){const kind=({main:'主码流',sub:'子码流',other:'其他码流'})[item?.profile_kind];return kind?`${kind}${item.profile_name?`（${item.profile_name}）`:''}`:(item?.profile_name||item?.profile_token)}function stateLabel(value){return({ready:'正常',waiting:'等待视频',stopped:'已停止',process_failed:'服务未启动',apply_failed:'配置失败',unconverged:'状态未同步'})[value]||value}
 async function load(){routes.value=(await playbackRoutes()).items||[]}
 async function open(){if(!selectedRoute.value)return;playerState.value='loading';try{Object.assign(session,await createSession(selectedRoute.value));playerState.value=session.status==='ready'?'ready':session.status;playerDetail.value=session.detail;startPolling()}catch(error){playerState.value='offline';playerDetail.value=error.message||'无法创建播放会话'}}
 function startPolling(){clearInterval(timer.value);timer.value=setInterval(async()=>{if(!session.id)return;try{const latest=await getSession(session.id);Object.assign(session,latest);playerState.value=latest.status==='ready'?'ready':latest.status;playerDetail.value=latest.detail}catch{playerState.value='expired';playerDetail.value='播放会话已过期，请重新连接';clearInterval(timer.value)}},5000)}
@@ -17,3 +17,4 @@ async function retry(){if(!selectedRoute.value){ElMessage.info('请先选择视
 onMounted(load);onBeforeUnmount(()=>clearInterval(timer.value))
 </script>
 <style scoped>.player-header{display:flex;align-items:center;justify-content:space-between}.option-detail{float:right;color:#86909c;font-size:12px}</style>
+