Problem (one or two sentences)

Add MiniMax AI provider for RooCode for coding ,reasoning and other AI-assisted development tasks using Minimax-M2 model

Context (who is affected and when)

new feature ,an integration of the new provider should theoretically have no impact

Desired behavior (conceptual, not technical)

There is a provider called MiniMax that offers the MiniMax-M2 model for coding.

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