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…criminator generalizes Follow-up to PR #4461 + PR #4468 (0059Z cold-boot + corrections). Verifies the orphaned `otto/2012z-...` branch carry-forward against current origin/main: 4 of 5 commits' substrate already rescued via peer agents. The HC-8 NCI commit (f0abf3e) was rescued by PR #4205 between 2026-05-18 (orphan creation) and 2026-05-21 (this cold-boot). Generalizes the substrate-drift discriminator from backlog-row scope (in .claude/rules/backlog-item-start-gate.md step 0) to orphaned-branch scope: before assuming orphaned commits need re-landing, check substrate against origin/main via per-file diff. 0 lines = fully rescued; 20-50 lines = partial drift cell-by-cell; hundreds = genuine deltas. Supersedes the 0059Z carry-forward as overestimated. Co-Authored-By: Claude <noreply@anthropic.com>
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Pull request overview
Adds a new hygiene-history tick shard documenting an orphaned-branch triage verification against origin/main, and generalizes the existing “substrate-drift discriminator” concept to orphaned-commit triage so future sessions avoid redundant re-landing or regressions.
Changes:
- Adds tick 0149Z documenting that most orphaned commits’ substrate is already present on
origin/main(via other PRs/rescues). - Introduces an “orphaned-branch triage discriminator” procedure using
git show+git diff origin/main..<sha> -- <file>to classify rescue vs drift vs real deltas. - Records explicit guidance not to re-apply the stale Lior prompt fix commit due to on-main evolution.
This was referenced May 21, 2026
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…o orphaned-branch scope (#4477) The substrate-drift discriminator (row-scope, step 0) generalizes naturally to orphaned-branch surface: before assuming orphaned commits need re-landing, verify the substrate they encode against current origin/main via per-file diff. Discovered while triaging the orphaned `otto/2012z-...` branch (2026-05-18 vintage, 5 unmerged commits including HC-8 NCI). The HC-8 commit (f0abf3e) had been rescued by PR #4205 between orphan creation and the cold-boot tick — re-landing would have been duplicate work. 4 of 5 commits showed similar already-on-main state; the 5th was a runtime-script (.gemini/bin/lior-loop-tick.ts) that the special-case guard correctly flags as DO NOT re-apply. Adds a new "Orphaned-branch triage discriminator" section after the main gate steps with: - 3-step verification procedure (grep main, per-file diff, line count) - 3-tier interpretation table (0 / 20-50 / hundreds of lines) - Special-case guard for runtime scripts that evolve continuously - Empirical anchors: PR #4205 + PR #4461 + PR #4472 - Composes-with edge to honor-those-that-came-before.md at orphaned-commit scope The shard at PR #4472 documented the discovery; this PR makes the discriminator actually reachable for future-Otto cold-boots via the auto-loaded rule. Co-authored-by: Claude <noreply@anthropic.com>
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…ull-file verification (#4478) Upgrades #4472's first-file spot-check to full per-file diff verification across all 5 orphaned commits on otto/2012z-...: - 29d89be Agora V6 followup: ALL 4 files at 0 lines diff (fully rescued) - 09a9a3c V6 constitution: 32 files, 20-163 line diffs (main preferred) - 2ca87ef Mirror/Beacon: 4 files, 30-37 line drift (main preferred) - 467424e Lior prompt: 22 lines diff (confirmed DO NOT re-apply) - f0abf3e HC-8 NCI: already on main via #4205 (re-confirmed) Branch is local-only (git ls-remote origin returns empty) → no remote cleanup. Substrate-drift discriminator at orphaned-branch scope now has empirical-anchor confirmation: first-file spot-check correctly classified all 4 of 4 cases this session checked. Composes with the 0149Z generalization of the substrate-drift discriminator from row-scope (backlog-item-start-gate.md step 0) to orphaned-branch-scope. Honors peer agents (Lior, peer Otto) whose rescues made re-landing unnecessary. Authored from isolated worktree per zeta-expected-branch.md race- window-caveat (contested root has 311 stale mods + 52 stashes from prior-session state). Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
4 tasks
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… empirical anchor (#4482) Aaron's #4477 landed the orphaned-branch discriminator section with 3 empirical anchors (#4461 cold-boot, #4472 spot-check discovery, #4205 peer rescue). My #4478 merged ~1 min after #4477 was authored — too late to be included in the original empirical anchor list. Adds #4478 between #4472 and #4205 in chronological substrate-evolution order: cold-boot → spot-check discovery → full-file verification → rescue context. The full-file diff across ALL 32 + 4 + 4 + 4 + 2 files of the 5 orphaned commits confirmed the cheap first-file heuristic correctly classified 4 of 4 cases this session checked exhaustively, anchoring the discriminator's operational reliability. Strengthens the rule's empirical-anchor density without changing the operational discipline. Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
5 tasks
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…-43 prevented); orphaned-branch triage for `otto/2012z-...` + PR #4574 (#4585) 7h 48min after the last in-repo shard (1421Z). CronList empty at cold-boot; CronCreate job `ebc958b7` armed per `tick-must-never-stop.md`. Refresh: graphql=3005 (Normal tier), 11 peer procs (Lior cycling), ls-tree=54 (canary clean). Substantive substrate of this tick: orphaned-branch triage for `otto/2012z-land-nci-tonal-momentum-rules-cross-substrate-triangulator-skill-2026-05-18` + PR #4574 (DIRTY, auto-merge armed since May 18 era; 384 files / 10779 insertions vs origin/main; 17 unresolved threads; 2 required-check failures). Per-commit substrate verification per orphaned-branch triage discriminator (`backlog-item-start-gate.md`): HC-8 NCI fully rescued on main (PR #4205 family + #4478 + #4477 + #4472 + #4461); Agora V6 wave/particle + free-will + cross-substrate triangulation fully rescued (#4537 + #4530 + #4522 + #4517); Lior prompt fix falls under runtime-scripts special-case guard (do NOT re-apply); `tools/kiro/kiro-loop-wrapper.sh` is the single non-redundant slice (file does NOT exist on origin/main). Recommended Pattern A → C blend: disarm auto-merge + close PR #4574 substrate-honest with rescue cross-links + open small focused PR for kiro-loop-wrapper.sh slice only. Forward-signal, not this-tick execution (multi-step + 17-thread + 2-required-check scope deserves operator awareness). Working-tree contested mod (`tools/kiro/kiro-loop-wrapper.sh` shellenv.sh source-block) NOT committed — peer-Otto/Alexa uncommitted state preserved. 3 untracked Lior worktree directories NOT touched. Composes with: backlog-item-start-gate orphaned-branch triage discriminator + claim-acquire stale-armed-PR patterns + honor-those-that-came-before + holding-without-named-dependency (concrete artifact = this shard) + zeta-expected-branch isolated-worktree race-window-caveat + codeql-canary pre/post-commit checks + refined-detection regex `lior|gemini.*--yolo` (Anchor 6 from the 21min-Lior session-arc memo). Co-authored-by: Claude <noreply@anthropic.com>
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Summary
Follow-up to PR #4461 + PR #4468 (0059Z cold-boot + corrections). Verifies the orphaned
otto/2012z-...branch carry-forward against currentorigin/main.Finding: 4 of 5 orphaned commits' substrate is already rescued via peer agents. HC-8 NCI (
f0abf3ed) was landed by PR #4205 between 2026-05-18 (orphan creation) and 2026-05-21 (cold-boot). The 0059Z carry-forward overestimated re-landing needs.Generalization: the substrate-drift discriminator from
.claude/rules/backlog-item-start-gate.mdstep 0 (row-scope) generalizes to orphaned-branch scope: before re-landing, rungit diff origin/main..<sha>per file. 0 lines = fully rescued; 20-50 = partial drift; hundreds = genuine deltas worth cherry-picking.DO NOT re-apply
467424ecLior prompt fix — Lior's prompt has evolved repeatedly since 2026-05-18; re-applying the stranded fix would regress 22 lines of newer prompt-engineering work.Verify
docs/hygiene-history/ticks/2026/05/21/0149Z.md(83 lines)origin/main(7dd66fb7) — no rebase conflict expected🤖 Generated with Claude Code