Brings in 18 commits from master so worksplit-multigpu does not regress
fixes that landed on main since the last sync:
- #13699 Hunyuan 3D 2.1 batch-size fixes (overlap with our own backport;
conflict resolved in favor of the shape>=2 gate that binds
swap_cfg_halves once and reuses it for the output swap-back)
- #14031 ModelPatcherDynamic lora reshape / backup restore fix
- #13802 Multi-threaded model load (memory_management / pinned_memory /
model_management / aimdo plumbing)
- #12679 lanczos single-channel tensor fix
- #14010 Stable Audio 3 support
- assorted partner-node, openapi, workflow-template, and tooling updates
Amp-Thread-ID: https://ampcode.com/threads/T-019e4a00-fe3d-76bd-a2f2-a8c8c4040082
Co-authored-by: Amp <amp@ampcode.com>
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