Linux CPU sidecar: PyPI's default torch on Linux includes CUDA
(~800MB). UV_NO_SOURCES only bypasses our custom CUDA index but
still gets CUDA-enabled torch from PyPI. Now explicitly installs
CPU-only torch from pytorch.org/whl/cpu after sync. Same fix
applied to Windows.
New cleanup-releases.yml workflow (manual trigger):
- Configurable: keep N app releases, keep N sidecar releases
- Dry run mode (default) shows what would be deleted without deleting
- Protects v1.4.0 (last pre-Tauri release)
- Shows release sizes in MB
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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