Eight phases close every AnimateDiff carry from the v0.26 cycle:

- Phase 0: V3 SD 1.5 inference dispatch (closes v0.26.1 deferral)
- Phase 1: SDXL motion adapter load (guoyww/animatediff-motion-adapter-sdxl-beta)
- Phase 2: SDXL AnimateDiff inference dispatch + critical motion_module tensor naming fix
- Phase 3: AnimateDiff + ControlNet (SD 1.5)
- Phase 4: AnimateDiff + ControlNet (SDXL)
- Phase 5: Long-form sliding window (SD 1.5)
- Phase 6: Long-form sliding window (SDXL)
- Phase 7: Tutorials + integration tests

948 lib + 32 integration tests green.