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>

deploy/nginx-runxian-dukang.conf

@@ -1,21 +1,16 @@
-# 杜康好客 — runxian.top 别名域名（与 lingshivip.cn 同后端）
-# user/shop/partner → 8091/8092/8093；webadmin → 8094；dkapi → 8090
-# 证书：certbot --cert-name user.runxian.top -d user.runxian.top -d shop.runxian.top ...
+# 杜康好客 — runxian.top（HTTP）
+# 三端 H5 统一入口 m.runxian.top/{user,shop,partner}/（微信网页授权单域名）
+# 旧子域名 user/shop/partner 301 到统一入口；webadmin → 8094；dkapi → 8090
 
-map $host $dukang_runxian_port {
-    user.runxian.top       8091;
-    shop.runxian.top       8092;
-    partner.runxian.top    8093;
-    webadmin.runxian.top   8094;
-}
-
-# --- HTTP: H5 三端（校验文件 + API；证书就绪后见 dukang-runxian-ssl.conf）---
+# --- 统一 H5 入口（证书就绪前 HTTP；HTTPS 见 dukang-runxian-ssl.conf）---
 server {
     listen 80;
-    server_name user.runxian.top shop.runxian.top partner.runxian.top;
+    server_name m.runxian.top;
 
-    access_log /var/log/nginx/dukang/runxian-h5.access.log main;
-    error_log  /var/log/nginx/dukang/runxian-h5.error.log warn;
+    access_log /var/log/nginx/dukang/runxian-m.access.log main;
+    error_log  /var/log/nginx/dukang/runxian-m.error.log warn;
+
+    client_max_body_size 20m;
 
     location ^~ /.well-known/acme-challenge/ {
         root /var/www/certbot;
@@ -38,14 +33,43 @@ server {
         proxy_set_header Connection "";
     }
 
-    location / {
-        proxy_pass http://127.0.0.1:$dukang_runxian_port;
-        proxy_http_version 1.1;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
+    location = / {
+        return 302 /user/;
     }
+
+    location /user/ {
+        alias /opt/dukang-haoke/apps/h5-user/dist/;
+        try_files $uri $uri/ index.html;
+    }
+
+    location /shop/ {
+        alias /opt/dukang-haoke/apps/h5-shop/dist/;
+        try_files $uri $uri/ index.html;
+    }
+
+    location /partner/ {
+        alias /opt/dukang-haoke/apps/h5-partner/dist/;
+        try_files $uri $uri/ index.html;
+    }
+}
+
+# --- 旧 H5 子域名 → 统一入口（保留书签/推广链接）---
+server {
+    listen 80;
+    server_name user.runxian.top;
+    return 301 http://m.runxian.top/user$request_uri;
+}
+
+server {
+    listen 80;
+    server_name shop.runxian.top;
+    return 301 http://m.runxian.top/shop$request_uri;
+}
+
+server {
+    listen 80;
+    server_name partner.runxian.top;
+    return 301 http://m.runxian.top/partner$request_uri;
 }
 
 # --- HTTP: API ---