2. Version-Specific Documentation

Create a comprehensive migration guide:

v1.0 -> v2.0 Migration Guide

Changes:
1.
Authentication header format (Bearer token required)
2.
Response structure (new metadata field)
3.
New endpoints (/api/v2/analytics)
4.
Deprecated features (old search endpoint)

Include:
- Breaking changes with impact assessment
- Step-by-step migration instructions
- Code examples showing before/after
- Compatibility notes for different clients
- Update scripts or migration tools
- Rollback procedures
- Timeline recommendations

Please provide a complete migration guide that helps users transition smoothly.