Clarify that the dp_claude_cross_upstream feature flag controls routing
of Claude protocol requests to both OpenAI-compatible and Google-family
upstream providers.
Replace health_handler with status_handler providing public /status and
/about endpoints. Add build-time version injection via ldflags in
Makefile, and support --version/-v CLI flag.
- Add /status endpoint returning runtime status, uptime, and version
- Add /about endpoint with system metadata (name, description, repo)
- Configure VERSION variable with git describe fallback
- Update swagger docs and api.md for new public endpoints
- Remove deprecated /api/status/test endpoint
Rewrite docs/api.md to provide a more structured overview of business
logic, core models, and authentication mechanisms. Include detailed
cURL examples for typical operations and add a new management
relationship diagram asset.
- Significant rewrite of docs/api.md with better formatting and content
- Add mermaid diagram for resource relationships
- Update README.md to reference the expanded documentation
- Add docs/管理关系图.png asset
