- monkey-patch LTX2ConnectorTransformer1d.forward to restore pre-#13564
padding logic when the upstream torch.flip pattern is detected; fixes
word-order scrambling in audio dialogue tracks
- reorganize LTX model entries into version-group separators (2.3 v1.1,
2.3 v1.0, 2.0, 0.9.x) with base/distilled subgroups; separators are
selectable no-ops handled in run_ltx