[LTX2] Add LTX-2 Attention and Spatio-Temporal RoPE#342
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[LTX2] Add LTX-2 Attention and Spatio-Temporal RoPE#342
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entrpn
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This PR implements the core attention mechanism and specialized RoPE for the LTX-2.0 model (Video/Audio). This implementation ensures parity with the reference PyTorch/Diffusers logic, specifically handling the multi-modal coordinate generation and interleaved/split rotary application.
Test: https://screenshot.googleplex.com/6KZP7yTFne8eszv