Fix build: exclude eval scripts from tsconfig, enhance feedback UI

apps/api/tsconfig.app.json

@@ -8,6 +8,6 @@
     "target": "es2021",
     "module": "commonjs"
   },
-  "exclude": ["**/*.spec.ts", "**/*.test.ts", "jest.config.ts"],
+  "exclude": ["**/*.spec.ts", "**/*.test.ts", "jest.config.ts", "**/agent-eval*.ts"],
   "include": ["**/*.ts"]
 }