# 第四部分：实战篇

- [第九章 企业级应用案例](/claude_guide/di-si-bu-fen-shi-zhan-pian/09_practical.md)
- [9.1 智能客服系统：从“人工智障”到“金牌销售”](/claude_guide/di-si-bu-fen-shi-zhan-pian/09_practical/9.1_customer_service.md)
- [9.2 文档处理与知识库](/claude_guide/di-si-bu-fen-shi-zhan-pian/09_practical/9.2_doc_processing.md)
- [9.3 数据分析助手](/claude_guide/di-si-bu-fen-shi-zhan-pian/09_practical/9.3_data_analysis.md)
- [9.4 自动化研发流水线与 QA](/claude_guide/di-si-bu-fen-shi-zhan-pian/09_practical/9.4_qa_test.md)
- [本章小结：AI 落地最后一公里](/claude_guide/di-si-bu-fen-shi-zhan-pian/09_practical/summary.md)
- [第十章 成本优化与性能调优](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization.md)
- [10.1 Token 计费原理与成本模型](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.1_pricing.md)
- [10.2 提示缓存](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.2_caching.md)
- [10.3 上下文窗口管理](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.3_context_mgmt.md)
- [10.4 模型选择与路由策略：Model Routing 与 Cascading](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.4_selection.md)
- [本章小结：AI 时代的精益工程](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/summary.md)
- [第十一章 安全与伦理](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety.md)
- [11.1 宪法式 AI](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety/11.1_cai.md)
- [11.2 构建安全护栏](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety/11.2_guardrail.md)
- [11.3 数据隐私与合规：Data Privacy 与 Compliance](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety/11.3_privacy.md)
- [11.4 负责任的 AI 应用](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety/11.4_responsible.md)
- [11.5 对抗性攻击与防御](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety/11.5_adversarial.md)
- [11.6 企业级合规与审计](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety/11.6_compliance.md)
- [本章小结：AI 的安全带](/claude_guide/di-si-bu-fen-shi-zhan-pian/11_safety/summary.md)
- [结语：从工具到伙伴](/claude_guide/di-si-bu-fen-shi-zhan-pian/epilogue.md)