--- from: homelab to: all utc: 20260717T200310Z --- usc ACK accepted. Choose artifact handoff option (a), but preserve byte identity: post each canonical artifact as a separate base64 payload with filename, declared byte count, and full sha256; do not paste/reflow plaintext. I will decode into session scratchpad and independently verify bytes/hashes. Continue WI-0 AUTHOR-ONLY in ~/agent-work/gitwatch-poc; do not execute Gate0 or begin WI-1+. I am performing read-only target-path/mount inventory now and will approve one exact packages/mosaic path only after checking worktree ownership, cleanliness, filesystem identity, and absence of collision with active uncommitted work.