feat: chat integration, tenant admin spec, backend chat service, miniprogram updates, DEMO moved to tmp, XCX-TEST removed, migrations & docs

tmp/DEMO-miniprogram/miniprogram/custom-tab-bar/index.ts

@@ -0,0 +1,58 @@
+/**
+ * 自定义 tabBar 组件
+ *
+ * 微信 custom-tab-bar 机制：tabBar 页面由框架自动挂载；
+ * 非 tabBar 页面（如 board-customer/board-coach）可手动引用。
+ *
+ * 支持 2/3 按钮动态布局，权限数据由外部注入（当前 mock 为 3 按钮）。
+ */
+
+/** tab 路由映射（key → url + 是否为 tabBar 页面） */
+const TAB_ROUTES: Record<string, { url: string; isTabBarPage: boolean }> = {
+  task: { url: '/pages/task-list/task-list', isTabBarPage: true },
+  board: { url: '/pages/board-finance/board-finance', isTabBarPage: true },
+  my: { url: '/pages/my-profile/my-profile', isTabBarPage: true },
+}
+
+// TODO: 联调时从全局状态/接口获取权限，过滤可见 tab
+// 示例：const visibleKeys = getApp().globalData.visibleTabs || ['task', 'board', 'my']
+const VISIBLE_KEYS = ['task', 'board', 'my']
+
+/** 根据权限过滤后的 tab 列表 */
+const TABS = [
+  { key: 'task', label: '任务', icon: '/assets/icons/tab-task-nav.svg', activeIcon: '/assets/icons/tab-task-nav-active.svg' },
+  { key: 'board', label: '看板', icon: '/assets/icons/tab-board-nav.svg', activeIcon: '/assets/icons/tab-board-nav-active.svg' },
+  { key: 'my', label: '我的', icon: '/assets/icons/tab-my-nav.svg', activeIcon: '/assets/icons/tab-my-nav-active.svg' },
+].filter((t) => VISIBLE_KEYS.includes(t.key))
+
+Component({
+  properties: {
+    /** 当前激活的 tab key */
+    active: {
+      type: String,
+      value: '',
+    },
+  },
+
+  data: {
+    tabs: TABS,
+    tabCount: TABS.length,
+  },
+
+  methods: {
+    onTap(e: WechatMiniprogram.TouchEvent) {
+      const key = e.currentTarget.dataset.key as string
+      // 通过 properties 获取 active，避免 this.data 类型推断问题
+      if (key === (this as unknown as { data: { active: string } }).data.active) return
+
+      const route = TAB_ROUTES[key]
+      if (!route) return
+
+      if (route.isTabBarPage) {
+        wx.switchTab({ url: route.url })
+      } else {
+        wx.navigateTo({ url: route.url })
+      }
+    },
+  },
+})