mlx-bun library API
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    interface MropeForwardState {
        invFreq: MlxArray;
        posIds: MlxArray;
        rotaryDims: number;
    }
    Index
    invFreq: MlxArray

    Borrowed model-owned f32 inv_freq (mropeInvFreq) — not disposed here.

    posIds: MlxArray

    Effective positions [3, B, L] int32 for the current forward window.

    rotaryDims: number