feat: 初始化项目基础架构和核心功能

- 添加项目基础结构：Cargo.toml、.gitignore、设备UID和密钥文件
- 实现前端Vue3项目结构：路由、登录页面、设备管理页面
- 添加核心协议定义(crates/protocol)：设备状态、资产、USB事件等
- 实现客户端监控模块：系统状态收集、资产收集
- 实现服务端基础API和插件系统
- 添加数据库迁移脚本：设备管理、资产跟踪、告警系统等
- 实现前端设备状态展示和基本交互
- 添加使用时长统计和水印功能插件

web/src/stores/devices.ts

@@ -0,0 +1,87 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import axios from 'axios'
+
+const api = axios.create({
+  baseURL: '/api',
+  headers: {
+    'Content-Type': 'application/json',
+  },
+})
+
+// Add auth token to requests
+api.interceptors.request.use((config) => {
+  const token = localStorage.getItem('token')
+  if (token) {
+    config.headers.Authorization = `Bearer ${token}`
+  }
+  return config
+})
+
+export interface Device {
+  id: number
+  device_uid: string
+  hostname: string
+  ip_address: string
+  mac_address: string | null
+  os_version: string | null
+  client_version: string | null
+  status: 'online' | 'offline'
+  last_heartbeat: string | null
+  registered_at: string
+  group_name: string
+}
+
+export interface DeviceStatusDetail {
+  cpu_usage: number
+  memory_usage: number
+  memory_total: number
+  disk_usage: number
+  disk_total: number
+  running_procs: number
+  top_processes: Array<{ name: string; pid: number; cpu_usage: number; memory_mb: number }>
+}
+
+export const useDeviceStore = defineStore('devices', () => {
+  const devices = ref<Device[]>([])
+  const loading = ref(false)
+  const total = ref(0)
+
+  async function fetchDevices(params?: Record<string, string>) {
+    loading.value = true
+    try {
+      const { data } = await api.get('/devices', { params })
+      if (data.success) {
+        devices.value = data.data.devices
+        total.value = data.data.total ?? devices.value.length
+      }
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function fetchDeviceStatus(uid: string): Promise<DeviceStatusDetail | null> {
+    const { data } = await api.get(`/devices/${uid}/status`)
+    return data.success ? data.data : null
+  }
+
+  async function fetchDeviceHistory(uid: string, params?: Record<string, string>) {
+    const { data } = await api.get(`/devices/${uid}/history`, { params })
+    return data.success ? data.data : null
+  }
+
+  async function removeDevice(uid: string) {
+    await api.delete(`/devices/${uid}`)
+    devices.value = devices.value.filter((d) => d.device_uid !== uid)
+  }
+
+  return {
+    devices,
+    loading,
+    total,
+    fetchDevices,
+    fetchDeviceStatus,
+    fetchDeviceHistory,
+    removeDevice,
+  }
+})