feat: Day 10-11 - Agent Configuration System completed

Backend:
- Create agents.yaml config file with 12 agents definition
- Create Prompt templates for topic-evaluation agent
- Implement agentService.ts for loading and managing agent configs
- Create agentController.ts with CRUD operations
- Create agent routes (GET /agents, /agents/:id, etc.)
- Register agent routes in main server

Frontend:
- Create agentApi.ts service module
- Update AgentChatPage to dynamically load agent config from API
- Add loading state and error handling
- Display agent details (description, category, model)

Build: Both frontend and backend build successfully

frontend/package.json

@@ -10,12 +10,14 @@
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0"
   },
   "dependencies": {
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
-    "react-router-dom": "^6.28.0",
+    "@ant-design/icons": "^5.5.2",
+    "@types/js-yaml": "^4.0.9",
     "antd": "^5.22.5",
     "axios": "^1.7.9",
-    "@ant-design/icons": "^5.5.2"
+    "js-yaml": "^4.1.0",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "react-router-dom": "^6.28.0"
   },
   "devDependencies": {
     "@types/react": "^18.3.18",
@@ -33,4 +35,3 @@
     "vite": "^6.0.7"
   }
 }
-