chore: 初始化uniapp前端项目基础框架

新增项目配置、静态资源、工具类、状态管理、API接口、组件库集成等全套基础代码，完成项目初始化搭建

frontend/app/src/api/module_system/ticket.ts

@@ -0,0 +1,70 @@
+import { http } from '@/http'
+
+const SYSTEM_BASE = '/system'
+
+/**
+ * 工单管理 API
+ * 与 web 端 module_system/ticket.ts 对齐（完整字段定义）
+ */
+export const TicketAPI = {
+  getPage(params?: Record<string, any>): Promise<PageResult<TicketItem>> {
+    return http.Get(`${SYSTEM_BASE}/ticket/list`, params)
+  },
+  getDetail(id: number): Promise<TicketItem> {
+    return http.Get(`${SYSTEM_BASE}/ticket/detail/${id}`)
+  },
+  create(data: TicketForm): Promise<TicketItem> {
+    return http.Post(`${SYSTEM_BASE}/ticket/create`, data)
+  },
+  update(id: number, data: Record<string, any>): Promise<TicketItem> {
+    return http.Put(`${SYSTEM_BASE}/ticket/update/${id}`, data)
+  },
+  remove(ids: number[]): Promise<void> {
+    return http.Delete(`${SYSTEM_BASE}/ticket/delete`, { ids: JSON.stringify(ids) })
+  },
+  batch(data: { ids: number[], status: number, assigned_id?: number }): Promise<void> {
+    return http.Put(`${SYSTEM_BASE}/ticket/batch`, data)
+  },
+  exportTickets(params?: Record<string, any>): Promise<unknown> {
+    return http.Post(`${SYSTEM_BASE}/ticket/export`, params)
+  },
+  getComments(ticketId: number, params?: Record<string, any>): Promise<PageResult<TicketComment>> {
+    return http.Get(`${SYSTEM_BASE}/ticket/${ticketId}/comments`, params)
+  },
+  createComment(ticketId: number, data: { content: string }): Promise<TicketComment> {
+    return http.Post(`${SYSTEM_BASE}/ticket/${ticketId}/comments`, data)
+  },
+}
+
+export interface TicketForm extends BaseFormType {
+  title: string
+  ticket_content?: string
+  summary?: string
+  ticket_type: string
+  images?: string
+  reply?: string
+  assigned_id?: number
+  status?: number
+  description?: string
+}
+
+export interface TicketItem extends BaseType {
+  title?: string
+  ticket_content?: string
+  summary?: string
+  ticket_type?: string
+  status?: string | number
+  assigned_id?: number
+  assigned_by?: CommonType
+  images?: string
+  reply?: string
+  description?: string
+}
+
+export interface TicketComment extends BaseType {
+  ticket_id?: number
+  user_id?: number
+  username?: string
+  content?: string
+  created_by_name?: string
+}