backup: 紫色UI换肤前完整备份（当前橙色逍遥梦主题）

保留改造前全部页面样式与功能代码，便于回滚。

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/staff-join/staff-join.js

@@ -0,0 +1,55 @@
+import request from '../../utils/request.js';
+import { STAFF_API, applyStaffFromLoginData } from '../../utils/staff-api.js';
+import { enterLockedRole, lockPrimaryRole } from '../../utils/primary-role.js';
+
+const app = getApp();
+
+Page({
+  data: {
+    inviteCode: '',
+    loading: false,
+  },
+
+  onLoad(options) {
+    const code = options.code || options.inviteCode || '';
+    if (code) this.setData({ inviteCode: decodeURIComponent(code) });
+  },
+
+  onInput(e) {
+    this.setData({ inviteCode: (e.detail.value || '').trim() });
+  },
+
+  async onBind() {
+    const inviteCode = this.data.inviteCode;
+    if (!inviteCode) {
+      wx.showToast({ title: '请输入邀请码', icon: 'none' });
+      return;
+    }
+    this.setData({ loading: true });
+    try {
+      const res = await request({
+        url: STAFF_API.bind,
+        method: 'POST',
+        data: { inviteCode },
+      });
+      const d = res.data || {};
+      if (d.code === 0 && d.data && d.data.staff_context) {
+        applyStaffFromLoginData({
+          staffstatus: 1,
+          staff_context: d.data.staff_context,
+        });
+        lockPrimaryRole('shangjia', app);
+        wx.showToast({ title: '绑定成功', icon: 'success' });
+        setTimeout(() => {
+          enterLockedRole('shangjia', app);
+        }, 800);
+      } else {
+        wx.showToast({ title: d.msg || '绑定失败', icon: 'none' });
+      }
+    } catch (e) {
+      wx.showToast({ title: '网络错误', icon: 'none' });
+    } finally {
+      this.setData({ loading: false });
+    }
+  },
+});