独立监控核心和模块
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zhongluofeng
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import { defineStore } from 'pinia'
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import { computed, ref } from 'vue'
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import { invoke } from '@tauri-apps/api/core'
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import { listen, type UnlistenFn } from '@tauri-apps/api/event'
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import { createLogger } from '@/lib/logger'
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const logger = createLogger('monitor')
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// ===== 与 Rust 端 / C# Contracts.cs 对应的数据结构（camelCase） =====
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// schemaVersion=1 契约由 Kernel 维护，前端按 schemaVersion 解析。
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export interface SensorEntry {
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id: string
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name: string
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/** 传感器类型（LHB SensorType 小写）：temperature/load/power/voltage/fan/clock/data/smalldata/throughput/level/control 等 */
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type: string
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hardwareName: string
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/** null 表示首轮未就绪或硬件不可读 */
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value: number | null
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unit: string
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}
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export interface SensorGroup {
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id: string
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name: string
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sensors: SensorEntry[]
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}
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export interface SensorSnapshot {
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schemaVersion: number
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timestamp: number
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/** 仅首个快照有意义，后续为 0 */
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coldStartMs?: number
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isAdmin: boolean
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ready: boolean
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groups: SensorGroup[]
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}
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export interface MonitorStatus {
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running: boolean
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pid: number | null
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ready: boolean
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sensorCount: number
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restartCount: number
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}
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export interface MonitorKernelInfo {
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path: string
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exists: boolean
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port: number
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}
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/** 连接状态机：与后端事件一一对应 */
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export type ConnectionState = 'idle' | 'loading' | 'connected' | 'disconnected' | 'error'
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/** 5 秒未收到 monitor-data 事件视为掉线（与后端心跳节奏一致） */
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const STALE_TIMEOUT_MS = 5000
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export const useMonitorStore = defineStore('monitor', () => {
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// ===== state =====
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const status = ref<MonitorStatus | null>(null)
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const snapshot = ref<SensorSnapshot | null>(null)
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const kernelInfo = ref<MonitorKernelInfo | null>(null)
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const errorMsg = ref<string | null>(null)
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/** 累计收到的 monitor-data 事件数，用于诊断与"已连接"判定 */
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const eventCount = ref(0)
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/** 最近一次收到 monitor-data 的时间戳（ms） */
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const lastEventTime = ref(0)
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/** 是否正在启动 / 停止 Kernel（防止重复点击） */
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const starting = ref(false)
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const stopping = ref(false)
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/** 是否已完成首次加载（避免初始 null/false 导致 UI 闪烁误导状态） */
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const initialized = ref(false)
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let unlistenFns: UnlistenFn[] = []
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// ===== getters =====
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/** 当前连接状态（基于 status + 最近事件时间推断） */
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const connState = computed<ConnectionState>(() => {
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if (errorMsg.value) return 'error'
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if (!status.value) return 'idle'
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if (!status.value.running) return 'idle'
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if (!status.value.ready) return 'loading'
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if (eventCount.value === 0) return 'loading'
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if (Date.now() - lastEventTime.value > STALE_TIMEOUT_MS) return 'disconnected'
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return 'connected'
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})
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/** 是否处于"已就绪 + 收到数据"的健康状态 */
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const isLive = computed(() => connState.value === 'connected')
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/** 按分组 id 查找快照 */
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const groupById = computed(() => {
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const map: Record<string, SensorGroup> = {}
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for (const g of snapshot.value?.groups ?? []) map[g.id] = g
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return map
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})
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/**
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* 在指定分组下查找首个匹配的传感器值。
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* @param groupId 分组 id（cpu/memory/gpuintel/storage 等）
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* @param matcher 传感器名匹配（精确或子串）
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*/
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function findSensorValue(groupId: string, matcher: { name?: string; hardwareName?: string; type?: string }): number | null {
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const g = groupById.value[groupId]
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if (!g) return null
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const s = g.sensors.find(s =>
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(!matcher.name || s.name === matcher.name || s.name.includes(matcher.name)) &&
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(!matcher.hardwareName || s.hardwareName === matcher.hardwareName || s.hardwareName.includes(matcher.hardwareName)) &&
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(!matcher.type || s.type === matcher.type)
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)
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return s?.value ?? null
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}
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// ===== actions =====
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async function refreshStatus() {
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try {
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status.value = await invoke<MonitorStatus>('monitor_status')
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errorMsg.value = null
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} catch (e) {
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logger.error('获取状态失败: ' + e)
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} finally {
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initialized.value = true
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}
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return status.value
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}
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async function refreshKernelInfo() {
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try {
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kernelInfo.value = await invoke<MonitorKernelInfo>('monitor_kernel_info')
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} catch (e) {
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logger.error('获取 Kernel 信息失败: ' + e)
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}
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return kernelInfo.value
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}
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async function start() {
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if (starting.value) return
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starting.value = true
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errorMsg.value = null
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try {
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await invoke('monitor_start')
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await refreshStatus()
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} catch (e) {
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errorMsg.value = String(e)
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logger.error('启动失败: ' + e)
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} finally {
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starting.value = false
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}
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}
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async function stop() {
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if (stopping.value) return
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stopping.value = true
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try {
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await invoke('monitor_stop')
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snapshot.value = null
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eventCount.value = 0
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lastEventTime.value = 0
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await refreshStatus()
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} catch (e) {
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errorMsg.value = String(e)
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logger.error('停止失败: ' + e)
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} finally {
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stopping.value = false
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}
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}
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/** 主动拉取一次性快照（切回 tab 时立即填充，不等下一个 SSE tick） */
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async function fetchSnapshot() {
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try {
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snapshot.value = await invoke<SensorSnapshot>('monitor_get_snapshot')
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} catch (e) {
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logger.error('拉取快照失败: ' + e)
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}
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return snapshot.value
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}
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/** 订阅 Tauri 事件：monitor-data / monitor-ready / monitor-loading / monitor-disconnected / monitor-error */
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async function subscribe() {
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if (unlistenFns.length) return
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unlistenFns.push(await listen<SensorSnapshot>('monitor-data', (e) => {
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// schemaVersion 守卫：仅接受 v1，未来版本需在此处显式升级
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if (e.payload?.schemaVersion !== 1) {
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logger.warn('收到未知 schemaVersion: ' + e.payload?.schemaVersion)
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return
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}
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snapshot.value = e.payload
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eventCount.value++
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lastEventTime.value = Date.now()
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}))
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unlistenFns.push(await listen('monitor-ready', () => {
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refreshStatus()
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}))
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unlistenFns.push(await listen('monitor-loading', () => {
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// 状态由 status 轮询反映
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}))
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unlistenFns.push(await listen('monitor-disconnected', () => {
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logger.warn('SSE 断开，等待自动重连')
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refreshStatus()
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}))
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unlistenFns.push(await listen<{ message?: string }>('monitor-error', (e) => {
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errorMsg.value = e.payload?.message ?? 'Kernel 错误'
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logger.error('Kernel 错误: ' + JSON.stringify(e.payload))
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}))
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}
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function unsubscribe() {
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unlistenFns.forEach(fn => fn())
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unlistenFns = []
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}
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/** 模块挂载时调用：刷新状态 + 订阅事件 + 拉取一次快照 */
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async function init() {
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await Promise.all([refreshStatus(), refreshKernelInfo()])
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await subscribe()
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// 若 Kernel 已就绪，立即拉一次快照避免 UI 空白
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if (status.value?.ready) {
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await fetchSnapshot()
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}
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}
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/** 模块卸载时调用：仅取消事件订阅，不停止 Kernel（Kernel 由 ProcessManager 全局管理） */
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function dispose() {
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unsubscribe()
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}
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return {
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// state
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status,
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snapshot,
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kernelInfo,
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errorMsg,
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eventCount,
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lastEventTime,
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starting,
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stopping,
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initialized,
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// getters
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connState,
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isLive,
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groupById,
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// actions
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findSensorValue,
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refreshStatus,
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refreshKernelInfo,
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start,
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stop,
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fetchSnapshot,
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init,
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dispose,
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}
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})
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