Problem (one or two sentences)

Add a provider for Poe (https://poe.com/) which offers an OpenAPI compatible API: https://creator.poe.com/docs/external-applications/openai-compatible-api

Context (who is affected and when)

Previously requested in #6594

Desired behavior (conceptual, not technical)

Add a provider for Poe allowing users to add in their API key and select a supported model

Constraints / preferences (optional)

No response

Request checklist

• I've searched existing Issues and Discussions for duplicates
• This describes a specific problem with clear context and impact

Roo Code Task Links (optional)

No response

Acceptance criteria (optional)

No response

Proposed approach (optional)

No response

Trade-offs / risks (optional)

No response