chore: 暂时屏蔽根路径跳转到后台

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/server/src/http/server.ts

@@ -66,7 +66,8 @@ export async function buildServer(app: App, opts: { logger: FastifyServerOptions
   if (adminDist && fs.existsSync(path.join(adminDist, 'index.html'))) {
     await f.register(fastifyStatic, { root: adminDist, prefix: '/admin/', wildcard: false })
     f.get('/admin/*', (_req, reply) => reply.sendFile('index.html'))
-    f.get('/', (_req, reply) => reply.redirect('/admin/'))
+    // 暂时屏蔽：根路径不再跳转到后台
+    // f.get('/', (_req, reply) => reply.redirect('/admin/'))
   }
 
   // 业务平台使用的 SDK 包（scripts/build-sdk.mjs 生成，公开、不含密钥）：生产在 app/sdk，开发在仓库的 dist-sdk