feat: use node-local overlayfs rootfs cache to eliminate per-restore untar (#228)#283

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chenggui53 (chenggui53) wants to merge 9 commits into

agent-substrate:mainfrom

chenggui53:worktree-overlayfs-rootfs-cache

Commits on Jul 6, 2026

feat: add node-local overlayfs rootfs cache for actor resume
chenggui53 (chenggui53)
committed
perf(atelet): make rootfs cache skip image pull on hit
chenggui53 (chenggui53)
committed
refactor: move overlay rootfs mount from atelet to privileged ateom
chenggui53 (chenggui53)
committed
fix(ateom): harden overlay mount teardown against leaks
chenggui53 (chenggui53)
committed
feat: skip in-use lowerdirs during rootfs cache eviction
chenggui53 (chenggui53)
committed
refactor(atelet): scope identity mount-point creation to untar path
chenggui53 (chenggui53)
committed
perf(atelet): evict rootfs cache at startup and size entries from untar
chenggui53 (chenggui53)
committed
feat: fall back to untar and retry when ateom reports overlay mount failure
chenggui53 (chenggui53)
committed
feat: make rootfs cache disk budget configurable via flag
chenggui53 (chenggui53)
committed