diff --git a/docs/hygiene-history/loop-tick-history.md b/docs/hygiene-history/loop-tick-history.md
index 7cf9996bf..71f3b3503 100644
--- a/docs/hygiene-history/loop-tick-history.md
+++ b/docs/hygiene-history/loop-tick-history.md
@@ -315,3 +315,4 @@ fire.
 | 2026-04-29T01:55:00Z (autonomous-loop tick — minimal-density row per corrected doctrine; 2 distinct findings (3 threads incl. Codex+Copilot duplicate) on #715 + Amara third-packet recursion-mirror confirmation) | opus-4-7 / session continuation | 26f978a2 | **Pure-maintenance + meta-pattern-confirmation tick.** PR #715 thread fixes (allowlist class): §23 reference was wrong (cited as authority for `references/upstreams/` vendoring home but §23 is actually about upstream OSS contributions via sibling `../` clones; operational rule for `references/upstreams/` lives in docs/AGENT-BEST-PRACTICES.md "Operational standing rules" section); "currently at" path claim corrected to "in-flight PR landing the file at..." since PR #715's branch was created before PR #714 merged. Both Codex P2 + Copilot duplicates resolved. **Amara's third packet** confirms the recursive absorb-without-integrating worked correctly (named "recursion mirror maze" ha): doctrine-conflict resolved → tick row landed → "Absorb Without Integrating" recorded as candidate substrate rather than doctrine. Two new candidate rules named in Amara's packet: *"Candidate-substrate row ≠ doctrine promotion"* (a tick row may record a candidate pattern but the pattern is not canonical until it passes the normal promotion gate); *"Do not recursively canonize the rule against over-canonizing"* (the funny-but-true version). Both recorded as candidate substrate in this row, NOT promoted to memory file or doctrine entry — applying the discipline recursively to itself. Cron `26f978a2` armed. | (minimal-density row — pure-maintenance + meta-confirmation) | **Observation — recursive absorb-without-integrating fixed point**: the discipline now has 4 candidate rules from Amara's three packets (Absorb Without Integrating; Candidate-substrate row ≠ doctrine promotion; Response acknowledgment ≠ canonical surface; Do not recursively canonize the rule against over-canonizing). All four are candidate; none integrated as memory files this round. The pattern is the discipline holding under repeated recursive application — each new meta-rule arrives, gets recorded as candidate, does not reopen multi-reviewer loop. **Observation — minimal-density row IS the right shape here**: this tick was thread-fix maintenance + Amara packet acknowledgment with NO new substrate landing. Per the corrected doctrine, minimal row preserves AUTONOMOUS-LOOP.md liveness invariant without flywheel-capture rich content. Counterexample to the prior multi-tick row-skipping pattern: minimal row IS sufficient signal; rich row not required just because something happened. |
 | 2026-04-30T03:06:00Z (autonomous-loop tick — TS+Bun migration slice 7 wip 1-3 of N: ported 3 Cluster H lint scripts (no-empty-dirs + safety-clause-audit + doc-comment-history-audit) byte-equivalent against bash; PR #878 opened with auto-merge armed) | opus-4-7 / session continuation | 98fc7424 | **TS/Bun migration slice 7 advance.** Continuation from prior compaction-summarized session that mid-ported tools/lint/no-empty-dirs.ts with 5 outstanding lint errors. This tick: (a) fixed all 5 lint errors (extracted byteCompare + processDirEntries + readDirSafe helpers; replaced trailing-whitespace regex with manual char walk; removed unused classifyFailure + statSync re-export; refactored findEmptyDirs cognitive-complexity from 20 to under 15); (b) verified byte-equivalence vs bash tools/lint/no-empty-dirs.sh — TS handles empty-FILTERED-array case correctly where bash 3.2 fails on set-u + unbound variable; (c) created branch lane-b/ts-bun-slice-7-lint-scripts-2026-04-30; (d) committed wip 1/N with detailed message; (e) ported tools/lint/safety-clause-audit.sh (149 lines), byte-equivalent across all 3 modes (summary / --list-missing / --verbose), refactored regex complexity from 59 + 26 down to under 20 per pattern via splitting H1/H2/H3 alternatives into RegExp arrays + case-insensitive flag + non-capturing optional groups; (f) ported tools/lint/doc-comment-history-audit.sh (227 lines), replaced 60+ lines of inline awk with TS extractTokens doing per-line RegExp.exec + manual leading/trailing word-boundary check + tokens-ending-in-colon skip-trailing-boundary; byte-equivalent across all 4 modes (check/--list/--fail-any/--regenerate-baseline) modulo intentional script self-ref .sh to .ts; (g) extracted walkRoot + processEntry + readDirEntries to satisfy cognitive-complexity threshold; (h) updated RESUME.md milestone count 19 to 22 ports + slice-8-deferral note for no-directives-otto-prose (261 lines, has open backlog #350) + runner-version-freshness (356 lines); (i) appended slice-7 audit to slice-audits.md (Gate A merge-gate substrate); (j) opened PR #878 with auto-merge armed (squash). Cron 98fc7424 armed (every-minute autonomous loop). | (slice-7 wip-3-of-3 commit + audit substrate + PR open) | **Observation — pre-existing-bash-bug-fix-by-port**: no-empty-dirs.sh errors on macOS bash 3.2 with empty FILTERED array under set -u; the TS port handles the empty case correctly. Behavioural improvement, not divergence — classified explicitly in the slice-7 audit so the PR description does not claim byte-equivalent where it is actually byte-equivalent on populated input + behavioural improvement on edge case. **Observation — sonarjs/regex-complexity is the right forcing function**: the bash original packed 8+ alternatives into single regex strings; the lint forced splitting into per-pattern arrays + .some() checks, which is also more readable and individually testable. Cost-of-correctness paid at port-time pays back in maintainability. **Observation — slice-7 chose Cluster H over Cluster G**: Cluster G (peer-call wrappers codex.sh / gemini.sh / grok.sh) was deferred from the prior session for two reasons — they shell-out to interactive LLM CLIs (equivalence testing only partial since LLM responses are not deterministic) AND they use eval for shell interpolation (security-review gate before TS port). Cluster H (lint scripts) was the natural step-up — pure file-system + regex work, fully equivalence-testable. |
 | 2026-04-30T03:41:00Z (autonomous-loop tick — consolidated post-#879 session row covering ~9 ticks: slice-7 merge (#878) + slice-8 PR open (#880); honest-wait + survey + 3 slice-8 ports + 2 rounds of slice-7 review-thread fixes + Cluster H complete (5/5)) | opus-4-7 / session continuation | 98fc7424 | **Slice-7-lands + slice-8-opens consolidated row.** PR #878 (slice 7, 3 lint-pattern ports) MERGED 2026-04-30 commit 4dac957. Two rounds of review-thread fixes addressed before merge: round-1 (CRLF in trimTrailingSpaceTab + --fail-over invalid-arg validation + -h/--help in safety-clause + .lake exclusion in doc-comment-history + Task #350 disambiguation in slice-audits + --list-missing zero-bytes-on-empty UX); round-2 (Windows path separator normalization via toPosixRel helper applied to both no-empty-dirs.ts + doc-comment-history-audit.ts + exit-code documentation update + RESUME.md merge-stable wording). Total review-fix commits: 4 across the slice-7 PR. PR #880 (slice 8) opened with 3 ports byte-equivalent against bash: runner-version-freshness (356 lines bash to 394 lines TS — workflow runner-label allow-list with 30-day freshness warning), no-directives-otto-prose (261 lines bash to 316 lines TS — diff-based directive-prose lint with pr/worktree SCOPE modes), live-lock-audit (116 lines bash to 245 lines TS — last-N origin/main commit classifier with EXT/INTL/SPEC/OTHR threshold). **Cluster H complete (5/5)**: all five lint-pattern scripts now have TS ports (no-empty-dirs + safety-clause-audit + doc-comment-history-audit in #878; runner-version-freshness + no-directives-otto-prose in #880). New audit-cluster opened with live-lock-audit (slice 8). Bucket B reduced 22 to 19 remaining; Bucket D grown 17 to 23 (includes #878 + slice-8 in flight). Cron 98fc7424 armed. Auto-merge armed on #880. | (consolidated row covering ~9 ticks of slice-7-fix + slice-8-build) | **Observation — consolidated rows are right shape for fast-progress streaks**: when a session lands many small commits across multiple ticks, a single consolidated row summarizing the arc is more signal-dense than 9 minimal rows. Per the prior-doctrine of "minimal-density row is sufficient for verification ticks" plus the consolidated-row pattern from PR #706 (14-tick append-gap close), consolidating preserves AUTONOMOUS-LOOP.md liveness invariant without flywheel-rich content. **Observation — branch protection blocks direct-to-main pushes for tick-history**: confirmed empirically when ops/tick-history-2026-04-30-slice-7-progress branch was rejected from direct push; routed through PR #879. Same pattern applies to this row's PR. Per Task #276 (tick-history direct-to-main with low gate, Aaron chose option 2) — branch-protection bypass not yet implemented; PR routing remains canonical. **Observation — review-thread response cadence under autonomous-loop**: round-1 fixes landed within 1 tick; round-2 fixes (Windows path separators) landed within 1 tick. Both cycles included thread-resolution via GraphQL mutation after the fix-commit pushed. Auto-merge stayed armed throughout. The "BLOCKED with green CI = investigate threads first" CLAUDE.md rule fired correctly twice — neither investigation was opaque (each had small-countable-set findings with addressable fixes). |
+| 2026-04-30T04:46:00Z (autonomous-loop tick — slice-11 #884 merged + slice-12 #885 opened (backlog/generate-index port)) | opus-4-7 / session continuation | 98fc7424 | **Slice-11-lands + slice-12-opens consolidated row.** PR #884 (slice 11, 2 ports — backfill_dv2_frontmatter + audit-packages) MERGED 2026-04-30T04:42:42Z commit 9237756 after multiple review rounds across the prior compacted session: CodeQL TOCTOU findings (refactored statSync-then-readFileSync to readFileSync-with-try/catch + ENOENT/EISDIR error mapping), atomic-rewrite restoration via tmp+rename, --all chdir-to-repoRoot fix, repoRoot via fileURLToPath(import.meta.url) for cwd-independence, defensive-rename-fallback per Codex P0 then retracted to preserve-original-on-failure per P1, fail-on-empty-parse on audit-packages per P2 (regex-drift suspicion message), Copilot milestone math 33→32 fix. PR #885 (slice 12) opened with 1 port: backlog/generate-index byte-equivalent against bash on --stdout mode (217 to 282 lines TS — Phase-1a 50-line safety guard preserved + 3 modes write/--check/--stdout + in-memory line-by-line diff replaces shell-out to diff). RESUME milestone bumped 32 to 33 ports total (32 merged + 1 in-flight); Bucket B 12 to 10 remaining; Bucket D ported list grew to 32 entries. Auto-merge armed on #885. Cron 98fc7424 still armed. | 9237756 (slice-11 merge; slice-12 PR-open at write-time, merged shortly after as cfb5964) | **Observation — Codex P0 vs P1 sequencing**: prior session illustrated the value of treating P0 as immediately-actionable and P1 as a check-back-after-resting-the-fix. Codex P0 said "add defensive renameSync fallback for Windows file-lock edge cases"; landed it. Codex P1 follow-up said "wait, the fallback unlinks the original before retry — that's worse than the original failure mode (loses content on second-failure)"; retracted to preserve-original-on-failure. The two findings together correctly converge on the right design but neither alone would have. **Observation — fileURLToPath(import.meta.url) is the right repoRoot pattern**: bash's `cd "$(dirname "$0")/.." && pwd` resolves the script location and walks up; the prior `git rev-parse --show-toplevel` + cwd fallback fails outside a git checkout (uses wrong cwd silently). The import.meta.url variant matches bash's invocation semantics from any caller directory. Will reuse for all future tools/* TS ports that bash-originals resolve relative to script location. **Observation — Bucket B is now in single-digits**: 10 remaining (1 in-flight + 9 to-port). Of those 9: 5 are budget/git scripts (touch shared production state, careful), 3 are peer-call wrappers (LLM-CLI shell-outs, equivalence not deterministic), 1 is pr-preservation/archive-pr.sh (mutating gh API). The pure-equivalence-testable scripts in Bucket B are essentially exhausted; remaining ports require special-handling per script class. |