feat(cli): add first-class session adoption - #8
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What
vfs adopt <session-id> --db <path> --base <path> [--pin <rev>] [--json]: installs a received session database into the local store as one atomic operation, replacing the hand-written materialization contract receivers previously assembled under~/.vfs/run(write delta.db + base_path by hand, hope the layout never changes).seednow records the base checkout's pin infs_session_metadata.seed_pin, so provenance travels inside the artifact.adoptverifies the provided base checkout against the recorded seed pin and refuses on mismatch;--pinoverrides the expectation explicitly.Why
The droid handoff receiver (factory-mono AC-768 stack) needs to materialize a transferred session without reimplementing vfs store internals. A first-class verb keeps the store layout private to vfs and gives the receiver a stable, versionable contract.
Testing
fmt / clippy / unit tests green. Full
gate.shon the stacked tip: 24 PASS / 0 FAIL / 1 SKIP (FUSE-over-io_uring, host kernel lacks support; not code).