docs(hygiene): tick 2026-05-27T10:08Z — dotgit-arc-closure HOLDS at 2nd anchor (Otto-CLI)

[AceHack]

Summary

• Catch-43 sentinel re-armed (38b850df) before any substantive work
• Tick shard at docs/hygiene-history/ticks/2026/05/27/1008Z.md (91 lines)
• Second consecutive 0-stuck-proc anchor confirming dotgit-saturation arc closure (4h after 0608Z PR docs(hygiene): tick 2026-05-27T06:08Z — dotgit-saturation arc closed; empirical anchor #5406 anchor)

Substantive observations

1. Dotgit-arc-closure HOLDS — 2nd anchor 4h after 0608Z under same conditions (24 peer procs, GraphQL Normal); two consecutive 0-proc anchors is substrate-honest signal that the multi-day saturation arc termination generalizes
2. Cadence deviation — ~4h gap vs prior ~2h Otto-CLI cadence (peer Otto-CLI skipped 0808Z slot); 1 deviation, not yet pattern
3. Substrate-engineering activity in the gap — origin/main absorbed B-0852/B-0857 landings (PRs feat(B-0857 P2 deferred): install.sh becomes universal Unix-like-OS entry — routes by environment; SHORTER path than B-0854 Ace migration (Aaron 2026-05-27) #5423, docs(B-0857): Turn 4/5/6 framing — install.sh ≈ Ace + homelab-to-enterprise spectrum + attack-surface tempered (Aaron 2026-05-27 follow-up to #5423) #5424, feat(B-0852.2b rebased): persist + restore CLIs composing full cred-persistence stack (19 integration tests; replaces conflict-dirty #5422) #5425, docs(B-0857.1 closed): audit verifies PR #5389 Step 6.95a install.sh invocation PRESENT (zeta-install.sh:1097) + corrects B-0857 row body authoring error #5426, fix: repair Docker NixOS install-sh harness #5427) via peer Vera/Codex + maintainer-direct lanes; Otto-CLI did not contribute

Process compliance

• Isolated worktree off origin/main 82f2ecbe4 per agent-worktree-hygiene Rule 2 (never under operator primary)
• Post-creation guard PASS (tree=61, status=0); commit canary PASS (parent=61 actual=61, no corruption)
• Operator's primary checkout NOT ff-promoted (was 10 commits behind; agent did not touch)

Test plan

• Build gate not applicable (docs-only)
• Branch guard pre-commit (branch=otto-cli/tick-1008z-2026-05-27)
• Commit-tree canary post-commit
• CI required-checks complete → auto-merge fires

🤖 Generated with Claude Code

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