feat: AI虚拟用户新闻互动系统 v1.3.0 初始提交

- 虚拟用户管理（昵称/头像/性别/简介/邮箱同步到目标平台）
- AI互动调度（点赞/收藏/评论/转发）
- 日志时间改为北京时间
- 评论达上限后继续执行点赞收藏转发
- 一键登出全部功能
- 浅色主题UI

frontend/src/api/index.js

@@ -0,0 +1,76 @@
+import axios from 'axios'
+import { ElMessage } from 'element-plus'
+
+const request = axios.create({
+  baseURL: '/api',
+  timeout: 30000,
+})
+
+request.interceptors.response.use(
+  res => {
+    const data = res.data
+    if (data.code && data.code !== 200) {
+      ElMessage.error(data.message || '请求失败')
+      return Promise.reject(new Error(data.message))
+    }
+    return data
+  },
+  err => {
+    const msg = err.response?.data?.detail || err.response?.data?.message || err.message || '网络错误'
+    ElMessage.error(msg)
+    return Promise.reject(err)
+  }
+)
+
+// Dashboard
+export const getDashboard = () => request.get('/dashboard')
+export const getTokenTrend = (days = 30) => request.get('/dashboard/token-trend', { params: { days } })
+export const getMonthlyTokenTrend = () => request.get('/dashboard/monthly-token-trend')
+
+// Users
+export const getUsers = (params) => request.get('/users', { params })
+export const createUser = (data) => request.post('/users', data)
+export const updateUser = (id, data) => request.put(`/users/${id}`, data)
+export const deleteUser = (id) => request.delete(`/users/${id}`)
+export const batchUserAction = (data) => request.post('/users/batch/action', data)
+export const loginUser = (id) => request.post(`/users/${id}/login`)
+export const logoutUser = (id) => request.post(`/users/${id}/logout`)
+export const generatePersonality = (id) => request.post(`/users/${id}/personality/generate`)
+export const updatePersonality = (id, data) => request.put(`/users/${id}/personality`, data)
+export const importUsers = (formData) => request.post('/users/excel/import', formData, {
+  headers: { 'Content-Type': 'multipart/form-data' }
+})
+export const downloadTemplate = () => request.get('/users/excel/template', { responseType: 'blob' })
+export const exportUsers = () => request.get('/users/excel/export', { responseType: 'blob' })
+export const deduplicateUsers = () => request.post('/users/deduplicate')
+export const clearAllUsers = () => request.post('/users/clear-all')
+export const loginAllUsers = () => request.post('/users/login-all')
+export const syncAllProfiles = () => request.post('/users/sync-all-profiles')
+export const cancelInteraction = (id) => request.post(`/interactions/${id}/cancel`)
+export const runInteractionNow = () => request.post('/system/interaction/run-now')
+
+// Interactions
+export const getInteractions = (params) => request.get('/interactions', { params })
+export const retryInteraction = (id) => request.post(`/interactions/${id}/retry`)
+export const exportInteractions = (params) => request.get('/interactions/export', { params, responseType: 'blob' })
+
+// AI Models
+export const getAIModels = () => request.get('/ai-models')
+export const createAIModel = (data) => request.post('/ai-models', data)
+export const updateAIModel = (id, data) => request.put(`/ai-models/${id}`, data)
+export const deleteAIModel = (id) => request.delete(`/ai-models/${id}`)
+export const testAIModel = (data) => request.post('/ai-models/test', data)
+
+// System
+export const getSystemConfigs = () => request.get('/system/configs')
+export const updateSystemConfigs = (data) => request.put('/system/configs', data)
+export const toggleScheduler = (enabled) => request.post('/system/scheduler/toggle', { enabled })
+export const resetAllSessions = () => request.post('/system/sessions/reset-all')
+
+// Logs
+export const getLoginLogs = (params) => request.get('/logs/login', { params })
+export const getLogFiles = () => request.get('/logs/files')
+export const tailLogFile = (filename, lines = 100) => request.get(`/logs/files/${filename}/tail`, { params: { lines } })
+
+export default request
+export const uploadAvatar = (userId, formData) => request.post(`/users/${userId}/upload-avatar`, formData, { headers: { "Content-Type": "multipart/form-data" } })