Add Poe (api.poe.com) as a provider plugin with OpenAI-compatible API. - Create extensions/poe with plugin implementation - Add API key validation via /v1/models endpoint - Include 8 popular models: Claude, GPT-4o, Gemini, Llama - Add unit tests (6 tests) - Add documentation at docs/providers/poe.md - Update provider index and docs navigation Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>