feat(profile): 桌面端账户管理「绑定小程序」—— 小程序码+扫码确认绑定

- 小程序行加「绑定」按钮 → Modal(bind-start小程序码, 轮询确认); auth.ts 加 bindMpStart

console/src/api/modules/auth.ts

@@ -190,6 +190,11 @@ export const authApi = {
     });
   },
 
+  /** 发起「绑定小程序」：返回小程序码(微信扫码自动打开小程序确认)，绑定到当前账号 */
+  bindMpStart: async (): Promise<{ scene: string; qr_image?: string; qr_url?: string; mp_enabled: boolean }> => {
+    return request("/auth/mp-qr/bind-start");
+  },
+
   /** 小程序扫码登录：轮询登录态 */
   mpQrPoll: async (scene: string): Promise<{ status: string; token?: string; profile?: UserProfile }> => {
     return request(`/auth/mp-qr/poll?scene=${encodeURIComponent(scene)}`);

console/src/pages/Settings/Account/index.tsx

@@ -1,5 +1,5 @@
-import { useEffect, useState } from "react";
-import { Avatar, Button, Divider, Form, Input, Space, Tag } from "antd";
+import { useEffect, useState, useRef } from "react";
+import { Avatar, Button, Divider, Form, Input, Modal, Space, Tag, Spin } from "antd";
 
 import { PageHeader } from "@/components/PageHeader";
 import { useAppMessage } from "../../../hooks/useAppMessage";
@@ -81,6 +81,31 @@ function AccountPage() {
     finally { setBinding(false); }
   };
 
+  // 绑定小程序 modal
+  const [bindMpOpen, setBindMpOpen] = useState(false);
+  const [mpImg, setMpImg] = useState("");
+  const timerRef = useRef<number | null>(null);
+  useEffect(() => {
+    if (!bindMpOpen) return;
+    let scene = "";
+    (async () => {
+      try {
+        const r = await authApi.bindMpStart();
+        scene = r.scene;
+        setMpImg(r.qr_image || "");
+        timerRef.current = window.setInterval(async () => {
+          try {
+            const poll = await authApi.mpQrPoll(scene);
+            if (poll.status === "done") { window.clearInterval(timerRef.current || 0); setBindMpOpen(false); message.success("小程序绑定成功"); await refreshBindings(); }
+            else if (poll.status === "expired") { window.clearInterval(timerRef.current || 0); setBindMpOpen(false); }
+          } catch { /* ignore */ }
+        }, 2000);
+      } catch (e) { message.error(e instanceof Error ? e.message : "发起失败"); setBindMpOpen(false); }
+    })();
+    return () => { if (timerRef.current) window.clearInterval(timerRef.current); };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [bindMpOpen]);
+
   const onSaveProfile = async (values: { nickname?: string }) => {
     setSaving(true);
     try {
@@ -197,6 +222,7 @@ function AccountPage() {
           <span>小程序</span>
           <Space>
             <Tag color={bind.wxMiniBound ? "green" : "default"}>{bind.wxMiniBound ? "已绑定" : "未绑定"}</Tag>
+            {!bind.wxMiniBound && <Button size="small" type="primary" onClick={() => setBindMpOpen(true)}>绑定</Button>}
             {bind.wxMiniBound && <Button size="small" loading={binding} onClick={() => doUnbind("wx_mini")}>解绑</Button>}
           </Space>
         </div>
@@ -234,7 +260,17 @@ function AccountPage() {
             修改密码
           </Button>
         </Form>
+
+        <Divider />
+        <div className={styles.bindTip}>③ 小程序绑定：用微信「扫一扫」打开小程序确认，即可把当前账号与该小程序微信身份绑定（若该微信已属其它账号会自动合并）。</div>
       </div>
+
+      <Modal open={bindMpOpen} footer={null} onCancel={() => setBindMpOpen(false)} title="绑定小程序">
+        <div style={{ textAlign: "center", padding: "12px 0" }}>
+          <p style={{ color: "#888", marginBottom: 12 }}>用微信扫一扫打开小程序并确认</p>
+          {mpImg ? <img src={mpImg} alt="小程序码" style={{ width: 200, height: 200 }} /> : <Spin />}
+        </div>
+      </Modal>
     </div>
   );
 }