[ENHANCEMENT] Add MiniMax AI provider

[Maosghoul]

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

[roomote]

I'm exploring a potential fix for adding MiniMax AI provider support with the MiniMax-M2 model. I'll implement the integration following the existing provider patterns in the codebase and will open a PR to share progress.

[Maosghoul]

Claiming

[roomote]

Opened PR #8819 with my attempt at adding MiniMax AI provider support. The implementation includes:

• Support for three MiniMax-M2 model variants (abab5.5s-chat, abab6.5s-chat, abab6.5g-chat)
• Full integration with the provider system using OpenAI-compatible API format
• Comprehensive test coverage (all tests passing locally)

The code-specific CI checks are passing. Some integration tests are failing but these appear to be pre-existing issues unrelated to this MiniMax provider implementation.

Feedback welcome!

[Maosghoul]

Here is my PR Link: Kilo-Org/kilocode#3295

[secondsky]

MiniMax should not use OpenAi endpoints but Anthropic endpoints to preserve thinking!
It's also what their engineers suggest using as their model performance is significantly better with the anthropic endpoint.
Therefore, if this is using OpenAI endpoints, it should not be merged and used.

[nokaka]

This model is currently available for free use via the official API until November 7th.