docs: add 4 comprehensive Chinese protocol analysis documents

- 04-api-protocol-impact.md (API Protocol - 15 files)
  - REST Server, GraphQL, WebSocket, OData analysis
  - AI agent API consumption and auto-discovery
  - Documentation generation and SDK auto-generation
  - 2900+ words with concrete Zod schema examples

- 07-auth-protocol-impact.md (Auth Protocol - 6 files)
  - Identity, Role, Policy, Organization, SCIM analysis
  - AI-powered access control and permission management
  - Context-based dynamic access control (CBAC)
  - 2800+ words with real-world case studies

- 08-integration-protocol-impact.md (Integration Protocol - 7 files)
  - Database, SaaS, File Storage, Message Queue connectors
  - AI-driven field mapping and auto-configuration
  - Zero-config integration and self-healing
  - 3100+ words with Salesforce/HubSpot examples

- 10-permission-protocol-impact.md (Permission Protocol - 4 files)
  - RLS, Sharing, Territory, Permission analysis
  - AI security rule generation and conflict detection
  - PostgreSQL RLS implementation with AI enhancement
  - 3100+ words with HIPAA compliance examples

All documents include:
- 概述 (Overview)
- Protocol 深度分析 (2-3 sections per major protocol)
- AI 影响与优势 (AI Impact & Advantages)
- 真实案例对比 (Real-world Case Comparisons)
- 改进建议 (Improvement Suggestions)
- 总结 (Summary)
- Concrete code examples from actual Zod schemas
- Quantified metrics and performance comparisons

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot