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搜索最新 AI 新闻\n- **作家 (Writer)** - 撰写新闻摘要\n- **审核员 (Reviewer)** - 审核内容准确性\n\n## 项目结构\n\n```\nnewsletter_crew/\n├── main.py                           # CLI 入口\n├── streamlit_app.py                  # 可视化界面\n├── tests/\n│   └── test_runner.py                # 基础单元测试\n├── src/newsletter_crew/\n│   ├── config.py                    # 配置管理\n│   ├── agents.py                    # Agent 定义\n│   ├── tasks.py                     # Task 定义\n│   ├── crew.py                      # Crew 装配\n│   ├── runner.py                    # 共享运行逻辑\n│   └── __init__.py                  # 包入口\n├── .env                             # 环境变量\n├── .env.example                     # 环境变量模板\n├── pyproject.toml                   # 项目配置\n├── uv.lock                          # 依赖锁定\n└── LICENSE                          # MIT 许可\n```\n\n## 快速开始\n\n### 1. 安装依赖\n\n```bash\ncd newsletter_crew\nuv sync\n```\n\n### 2. 配置环境变量\n\n复制 `.env.example` 为 `.env`，填入你的配置：\n\n```env\nOPENAI_API_KEY=sk-your-key\nOPENAI_BASE_URL=https://api.openai.com/v1\nOPENAI_MODEL=gpt-4o\nSERPER_API_KEY=your-serper-api-key\n```\n\n说明：\n- `OPENAI_BASE_URL` 用于 OpenAI 兼容接口地址\n- `SERPER_API_KEY` 可选；未配置时研究任务会降级为无实时搜索模式\n\n### 3. 运行\n\n**命令行模式：**\n```bash\nuv run python main.py\nuv run python main.py AI\nuv run python main.py 机器人\n```\n\n默认主题为 `AI`。\n\n**可视化界面模式：**\n```bash\nuv run streamlit run streamlit_app.py\n# 浏览器打开 http://localhost:8501\n```\n\n界面功能：输入主题、生成简报、下载 Markdown\n\n### 4. 运行测试\n\n```bash\nuv run python -m unittest discover -s tests -p \"test_*.py\"\n```\n\n### 5. 输出文件\n\n- CLI 运行后会生成 `newsletter_output.md`\n- 该文件已在 `.gitignore` 中忽略\n\n## Agent 工作流程\n\n| 阶段 | Agent | 任务 |\n|------|-------|------|\n| 1 | 研究员 | 搜索当日最重要的 5 条 AI 新闻 |\n| 2 | 作家 | 撰写 300 字中文摘要 |\n| 3 | 审核员 | 审核内容准确性和质量 |\n\n## 环境要求\n\n- Python >= 3.10, < 3.14\n- CrewAI >= 1.0.0\n- crewai-tools\n- streamlit >= 1.57.0\n- python-dotenv >= 1.0.0\n\n## License\n\nMIT\n","readmeExcerpt":"AI Newsletter Crew 基于 $1 的 AI 新闻简报生成团队。 项目概述 三个 AI Agent 组成团队分工协作： - 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