Address Copilot AI feedback:
- Remove underscore support from header names (RFC 7230 compliance)
- Add explicit null check for JSON parsing
- Update validation regex to /^[A-Za-z0-9-]+$/
- Add test case for null value handling
- Update documentation to clarify header name requirements
Changes:
- Header names now only accept alphanumeric characters and hyphens
- Improved error messages for invalid headers
- Added test for null JSON input
- Updated APIM example tests
All 81 tests passing.
This change adds support for custom HTTP headers in AI inference requests,
enabling integration with API Management platforms (Azure APIM, AWS API
Gateway, Kong, etc.) and custom request routing/tracking.
Features:
- New 'custom-headers' input supporting both YAML and JSON formats
- Auto-detection of input format for better UX
- Header name validation (alphanumeric, hyphens, underscores)
- Automatic masking of sensitive headers in logs
- Full backward compatibility (optional parameter)
Changes:
- Added parseCustomHeaders() function in helpers.ts
- Updated InferenceRequest interface with optional customHeaders field
- Modified simpleInference() and mcpInference() to pass headers to OpenAI client
- Added 18 comprehensive test cases
- Updated documentation with examples and use cases
All 80 tests passing. Zero breaking changes.
