feat(h5): unify WeChat OAuth under m.runxian.top path routing

Serve user/shop/partner H5 under /user/, /shop/, /partner/ on a single authorized domain; update nginx, SSL script, and router base paths.

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

apps/h5-user/vite.config.ts

@@ -3,6 +3,7 @@ import react from '@vitejs/plugin-react';
 import path from 'path';
 
 export default defineConfig({
+  base: '/user/',
   plugins: [react()],
   resolve: {
     alias: {