Fix/minimax context window and models

[Rexarrior]

• Add MiniMax-M2.7, MiniMax-M2.7-highspeed, MiniMax-M2.5-highspeed, MiniMax-M2.1-highspeed models
• Update contextWindow for MiniMax-M2 and MiniMax-M2.1 from 192000 to 204800
• Add pricing links and TokenPlan billing notes to model descriptions
• Add highspeed subscription note to -highspeed models
• Update tests for new models and corrected contextWindow values

Related GitHub Issue

Closes: #11999
Note; unfortunally, there is no way to get models list dynamically from the provider. So, i've skip changes, related to fix of this aspect.

Related Issues (Addressing Long-Standing Requests)

This PR also addresses several related MiniMax model requests that have been waiting for implementation:

• [BUG] The MiniMax-M2.7 model is missing #11981 - [BUG] The MiniMax-M2.7 model is missing from dropdown
• [ENHANCEMENT] Add MiniMax M2.7 to Minimax Provider #11953 - [ENHANCEMENT] Add MiniMax M2.7 to Minimax Provider
• [ENHANCEMENT] add model minimax -m2.5 #11457 - [ENHANCEMENT] add model minimax -m2.5

Roo Code Task Context (Optional)

Description

Adds the complete set of MiniMax M2 series models to the Roo Code provider:

• MiniMax-M2.7 - New model with 204,800 context window
• MiniMax-M2.7-highspeed - High-speed variant (100 tps vs 60 tps)
• MiniMax-M2.5-highspeed - High-speed variant of existing M2.5
• MiniMax-M2.1-highspeed - High-speed variant of existing M2.1

Also fixes incorrect context window values:

• MiniMax-M2: 192,000 → 204,800
• MiniMax-M2.1: 192,000 → 204,800

Updated model descriptions to include:

• Links to MiniMax pricing
• Note about TokenPlan billing: "When using TokenPlan, usage is billed per request, not per token."
• High-speed subscription requirements for -highspeed models

Test Procedure

• Unit tests pass: 30 MiniMax provider tests + 23 useSelectedModel tests
• Manual testing confirmed new models appear in model selector
• Verified context window values display correctly (204,800) for all M2 series models

Pre-Submission Checklist

• Issue Linked: This PR is linked to an approved GitHub Issue ([BUG] MiniMax provider, model m2.7 (when use as custom value ) - bad context length (extremly small) #11999).
• Scope: My changes are focused on the linked issue (one major feature/fix per PR).
• Self-Review: I have performed a thorough self-review of my code.
• Testing: New and/or updated tests have been added to cover my changes.
• Documentation Impact: No user-facing documentation updates required (model list is auto-generated).
• Contribution Guidelines: I have read and agree to the Contributor Guidelines.

Screenshots / Videos

Documentation Updates

• No documentation updates are required.

Additional Notes

Get in Touch

Diskord: rexarrior
telegram: t.me/rexarrior
email: rexarrior@yandex.ru

Interactively review PR in Roo Code Cloud