feat: 初始化考培练系统项目

- 从服务器拉取完整代码
- 按框架规范整理项目结构
- 配置 Drone CI 测试环境部署
- 包含后端(FastAPI)、前端(Vue3)、管理端

技术栈: Vue3 + TypeScript + FastAPI + MySQL

backend/tests/test_main.py

@@ -0,0 +1,35 @@
+"""
+主应用测试
+"""
+import pytest
+from fastapi.testclient import TestClient
+from app.main import app
+
+client = TestClient(app)
+
+
+def test_root():
+    """测试根路径"""
+    response = client.get("/")
+    assert response.status_code == 200
+    data = response.json()
+    assert data["name"] == "考培练系统"
+    assert data["status"] == "running"
+    assert "version" in data
+    assert "timestamp" in data
+
+
+def test_health():
+    """测试健康检查端点"""
+    response = client.get("/health")
+    assert response.status_code == 200
+    assert response.json() == {"status": "healthy"}
+
+
+def test_api_health():
+    """测试API健康检查"""
+    response = client.get("/api/v1/health")
+    assert response.status_code == 200
+    data = response.json()
+    assert data["status"] == "healthy"
+    assert data["api_version"] == "v1"