fix(vercel): route admin static assets before api fallback

DEPLOY.en.md

@@ -66,6 +66,7 @@ Notes:
 - Serverless entry: `api/index.go`
 - Rewrites and cache headers: `vercel.json`
 - Build stage runs `npm ci --prefix webui && npm run build --prefix webui` automatically
+- `vercel.json` routes `/admin/assets/*` and the `/admin` page to static output, while `/admin/*` APIs still go to `api/index`
 
 Minimum environment variables:
 

DEPLOY.md

@@ -66,6 +66,7 @@ docker-compose up -d --build
 - serverless 入口：`api/index.go`
 - 路由与缓存头：`vercel.json`
 - 构建阶段会自动执行 `npm ci --prefix webui && npm run build --prefix webui`
+- `vercel.json` 已将 `/admin/assets/*` 与 `/admin` 页面走静态产物，`/admin/*` API 仍走 `api/index`
 
 至少配置环境变量：
 

vercel.json

@@ -2,12 +2,59 @@
   "version": 2,
   "buildCommand": "npm ci --prefix webui && npm run build --prefix webui",
   "outputDirectory": "static/admin",
-  "functions": {
-    "api/index.go": {
-      "includeFiles": "static/admin/**"
-    }
-  },
   "rewrites": [
+    {
+      "source": "/admin/login",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/verify",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/config",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/keys(.*)",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/accounts(.*)",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/queue/status",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/import",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/test",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/vercel/(.*)",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/export",
+      "destination": "/api/index"
+    },
+    {
+      "source": "/admin/assets/(.*)",
+      "destination": "/assets/$1"
+    },
+    {
+      "source": "/admin",
+      "destination": "/index.html"
+    },
+    {
+      "source": "/admin/(.*)",
+      "destination": "/index.html"
+    },
     {
       "source": "/(.*)",
       "destination": "/api/index"