- Remove unused buildToolCalls() function (logic is inlined)\n- Simplify randomString() using global rand (Go 1.20+)\n- Use dynamic timestamps instead of hardcoded 1234567890\n- Add time import to converter.go
- Add request/response converters (OpenAI <-> Anthropic formats) - Implement SSE streaming conversion (Anthropic events -> OpenAI SSE) - Add /v1/models endpoint with Claude model list - Add /v1/chat/completions endpoint with streaming and non-streaming support - Fix context key type matching bug (sessionIDKey) - Configurable upstream URL via config.yaml - Mimic claude-code CLI headers for upstream requests