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Pull request overview
Adds a new tick-history shard entry for the 2026-04-29 0410Z autonomous-loop tick, continuing the move to per-tick shard files under docs/hygiene-history/ticks/.
Changes:
- Added a new shard file
2026/04/29/0410Z.mdcontaining the tick’s single-row record.
…pilot review) Per docs/hygiene-history/ticks/README.md schema, the first column must be a plain ISO-8601 UTC timestamp. The parenthetical note that previously appeared after the timestamp is preserved implicitly via the body cell. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Same defect as PRs #745-755 — col1 must be plain ISO-8601 UTC timestamp per docs/hygiene-history/ticks/README.md schema. The parenthetical context is preserved by the body cell. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This was referenced Apr 30, 2026
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…rds (#971) Per docs/hygiene-history/ticks/README.md schema, the first column of each shard MUST be exactly an ISO-8601 UTC timestamp. 15 shards (April 28, 29, 30) carried a parenthetical context appended to the timestamp in col1 — pattern caught by Copilot on PRs #745-755 + #970. The parenthetical content is preserved by each shard's body column (col4) which already restates the tick context. The fix removes the col1 violation without losing information. Surface drift fix per the just-landed rediscoverable-from-main invariant on docs/AUTONOMOUS-LOOP.md (#969): tick-history is one of the four properties that makes the invariant true. If shards drift in format on main, future agents see two incompatible patterns and have to guess. Schema-uniform shards make the read surface predictable. Files affected (15): - docs/hygiene-history/ticks/2026/04/28/{0408,0418,0433,0501}Z.md - docs/hygiene-history/ticks/2026/04/29/{0235,0240,0320,0350,0400,0425,0430,0435,0440}Z.md - docs/hygiene-history/ticks/2026/04/30/{2018,2312}Z.md No data loss — only col1 prose drift removed; body context fully preserved. Trailing newline added on 3 files where it was missing. Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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…g future tick-times — surface for maintainer decision before mass-fixing col1 (#973) Codex P2 review on PR #740 caught a pattern across 14+ open tick-history shard PRs from 2026-04-29: col1 tick-times are 40-80 minutes ahead of the commits' author-times. The shards weren't recording past ticks — they were prefabricating shard files for future tick slots. Empirical sample: | PR | PR opened | Claimed tick | Commit author | Gap | |---|---|---|---|---| | #728 | 02:05:49Z | 02:45:00Z | 02:05:42Z | +40m | | #730 | 02:07:17Z | 02:55:00Z | 02:07:14Z | +48m | | #734 | 02:14:15Z | 03:15:00Z | 02:14:12Z | +61m | | #740 | 02:24:24Z | 03:45:00Z | 02:24:20Z | +81m | The prior-tick col1 cleanup (PR #971) on 15 shards already on main and the per-PR force-pushes on #745-755 + #968 fixed the schema-violating parenthetical, but the underlying prefabrication concern was buried under the more visible Copilot-P1 col1 finding. Two interpretations: 1. Mis-timestamped recording — agent computed col1 wrong 2. Intentional batch prefabrication of future-tick receipts Either way, mechanically fixing col1 on the remaining 14 PRs would launder the prefabrication: shards would look schema- compliant but still claim factually-incorrect tick times. Composes with the rediscoverable-from-main invariant landed in PR #969: tick-history-on-main is one of four supporting properties; false time-claims subvert the invariant. Decision options for the maintainer (in the file): - Close affected PRs (audit-trail integrity over evidence- density) - Rewrite col1 to commit-time - Add a note column for time-of-record vs time-of-event - Accept prefab pattern as intentional Filing this as substrate (per substrate-or-it-didn't-happen) and explicitly NOT mass-fixing col1 on those PRs until direction. MEMORY.md index entry added; latest-paired-edit marker updated. Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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Minimal.