OpenAI models are already accessible via OpenRouter. The proposed 491-line
OpenAIAgent duplicates the existing OpenAI-compatible API in OpenRouterAgent.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Memory concerns addressed by PR #806. Two Anthropic providers would create
confusion and maintenance overhead.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>