refactor: 清理死代码与构建加固

package.json

@@ -10,10 +10,6 @@
     "start": "pnpm run build && node src/server.js",
     "test": "pnpm run build && node src/smoke-test.js"
   },
-  "imports": {
-    "#common/*": "./src/common/*.js",
-    "#renderer/*": "./src/renderer/*.js"
-  },
   "dependencies": {
     "@fastify/cors": "^11.3.0",
     "@fastify/swagger": "^9.8.1",