6d144ac474
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.