- Add docs/api/action.md: full API reference for ActionConfigSchema and ActionArgumentSchema — field tables, factory methods, camelCase compat mapping, env-var interpolation, database integrity note, and complete YAML example
- Update docs/api/index.md: add cleveragents.action entry to module index
- Update mkdocs.yml: add 'Action Schema: api/action.md' to the API Reference nav
- Update CHANGELOG.md [Unreleased] Fixed: document plan use UNIQUE constraint violation fix (#4174, #4197)
- Clarify from_yaml_file ValueError semantics, document inputs_schema type as dict[str, Any] | None, and update A2A ASV benchmarks to pass method= requests after JSON-RPC migration
ISSUES CLOSED: #7472
