- Updated OpenAPI version from 0.0.7 to 0.3.2
- Added documentation for response signing headers (X-License-Signature, X-License-Timestamp)
- Enhanced API description with security information about signature verification
- Added header component definitions to OpenAPI spec
- All endpoint 200 responses now reference optional signature headers
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>