feat: update admin navigation and customer management

nginx/default.conf.template

@@ -22,8 +22,24 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
     }
 
+    # HTML must be revalidated on every visit so a new deployment cannot keep
+    # referencing hashed chunks that were removed with the previous image.
+    location = /index.html {
+        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
+        add_header Pragma "no-cache" always;
+        add_header Expires "0" always;
+    }
+
+    # Vite assets are content-hashed and safe to cache permanently. Missing
+    # chunks must remain a real 404 instead of falling back to index.html.
+    location /assets/ {
+        try_files $uri =404;
+        add_header Cache-Control "public, max-age=31536000, immutable" always;
+    }
+
     # Vue Router 的 history 路由刷新时仍返回 index.html。
     location / {
         try_files $uri $uri/ /index.html;
+        add_header Cache-Control "no-cache" always;
     }
 }