feat(ai-provider): default MiniMax to the current MiniMax-M3 model

[octo-patch]

Reason: The MiniMax provider still defaulted to a superseded model and did not expose the current MiniMax-M3 model.

What changed

• lib/ai-provider.ts: the MiniMax provider now defaults to the current MiniMax-M3 model instead of the previous one. The MINIMAX_MODEL environment variable still overrides the default, so the earlier MiniMax-M2.7 model remains selectable.
• __tests__/ai-provider.test.ts: updated the two assertions that pinned the default MiniMax model so they expect MiniMax-M3.
• __tests__/ai-provider.integration.test.ts: updated the integration test title to reference MiniMax-M3.

The change follows the existing provider pattern: a single string default that can be overridden via MINIMAX_MODEL. No endpoint, base URL, or request-shape changes were made.

Checks

• npm test — 79 passed, 4 skipped (live-key integration tests).
• npx eslint lib/ai-provider.ts __tests__/ai-provider.test.ts __tests__/ai-provider.integration.test.ts — 0 errors.

Summary by CodeRabbit

• New Features

  • Updated the default MiniMax model to MiniMax-M3.
  • Existing configuration options can still override the default model.

• Tests

  • Updated provider and integration coverage to validate MiniMax-M3 requests and responses.

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[coderabbitai]

📝 Walkthrough

Walkthrough

The MiniMax provider default model changed from MiniMax-M2.7 to MiniMax-M3. Unit and integration tests were updated to reflect the new default and request model.

Changes

MiniMax model update

Layer / File(s)	Summary
MiniMax default and validation lib/ai-provider.ts, __tests__/ai-provider.test.ts, __tests__/ai-provider.integration.test.ts	The default MiniMax model, API request expectation, configuration expectation, and integration test label now use MiniMax-M3.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• Open-Dev-Society/OpenStock#61: Updates MiniMax provider model selection and related tests.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: MiniMax now defaults to the M3 model.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Fix failing CI checks

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@__tests__/ai-provider.integration.test.ts`:
- Line 13: Update the test named “generates a response from MiniMax M3” so its
behavior matches the title: pin MINIMAX_MODEL to MiniMax-M3 for the test and
restore the prior environment value during cleanup, or rename the test to be
model-neutral if it intentionally supports configurable models.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 396d54e0-8c17-408c-9575-31a3f39df857

📥 Commits

Reviewing files that changed from the base of the PR and between 4597c9a and 99bab91.

📒 Files selected for processing (3)

• __tests__/ai-provider.integration.test.ts
• __tests__/ai-provider.test.ts
• lib/ai-provider.ts

[coderabbitai]

🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Do not claim this test always exercises MiniMax M3.

Because MINIMAX_MODEL remains configurable and this test neither sets nor asserts it, an environment override can make the test run against another model. Either pin MINIMAX_MODEL to MiniMax-M3 for this test with proper cleanup, or use a model-neutral title.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@__tests__/ai-provider.integration.test.ts` at line 13, Update the test named
“generates a response from MiniMax M3” so its behavior matches the title: pin
MINIMAX_MODEL to MiniMax-M3 for the test and restore the prior environment value
during cleanup, or rename the test to be model-neutral if it intentionally
supports configurable models.