MiniMax open-sources Code CLI under MIT with FrontierHarness SOTA claim

Why it matters

• MiniMax open-sourced MiniMax Code CLI v0.4.12 under MIT.
• It says FrontierHarness Eval showed a state-of-the-art pass rate, the fastest average task completion time, and the second-lowest token usage.
• Repo: https://github.com/MiniMax-AI/minimax-code