hygiene(#268+): pr-preservation drain-log for #422 (correction-row pattern)#451
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hygiene(#268+): pr-preservation drain-log for #422 (correction-row pattern)#451
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…rrection-row) Otto-268 follow-on: drain-log for the canonical Otto-229 append-only correction-row pattern applied to tick-history clarifications. PR #422 captured 4 post-merge Copilot threads on parent #403 (tick-history append) via a single correction row pointing back at the original timestamp. Per Otto-250 training-signal discipline. Captures 4 clarifications: 1. Otto-NNN placeholder should have been Otto-279 specifically. 2. "Three-thread day" vs (a)-(f) enumeration disambiguation. 3. Memory file path: forward-mirror landed in #405 post-tick. 4. MAME / FBN naming canonical = FBNeo (not FBN). Pattern observations: - Otto-229 append-only correction-row is the canonical pattern for tick-history clarifications; preserves historical record of what was believed at the original timestamp. - Drain-subagent dispatch prompts must include the Otto-229 constraint (originating finding from a subagent normalising prior rows). - Single correction row can capture multiple clarifications. - Forward-mirror-landed-after-tick is its own correction sub-class: the parent row was correct at authoring time; subsequent PR landed the forward-mirror; path is now resolvable in-repo. Correction-row notes the post-tick state-shift without asserting the original was wrong.
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Pull request overview
Adds a PR-preservation drain log for PR #422, intended to document post-merge Copilot threads and the Otto-229 append-only correction-row pattern as an Otto-250 training-signal artifact.
Changes:
- Introduces
docs/pr-preservation/422-drain-log.mdcapturing four Copilot clarifications and a correction-row resolution narrative. - Documents pattern observations about Otto-229 correction rows (including forward-mirror-landed-after-tick as a correction sub-class).
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| Per Otto-250 (PR review comments + responses + resolutions are | ||
| high-quality training signals): full record of the four post-merge | ||
| clarifications captured via the **append-only correction-row** | ||
| pattern (Otto-229 discipline). |
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| Drain session: 2026-04-25 (Otto, sustained-drain-wave during maintainer- | ||
| asleep window; pre-summary-checkpoint earlier in this session) |
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| - Outcome: **APPEND-ONLY CORRECTION-ROW (Otto-229)** — original row | ||
| stays untouched; correction row points back at the original | ||
| timestamp + records "should have been Otto-279 cluster" with |
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Summary
Otto-268 follow-on: drain-log for PR #422 — canonical example of the Otto-229 append-only correction-row pattern applied to tick-history clarifications. Captures 4 post-merge Copilot threads on parent #403 via a single correction row pointing back at the original timestamp.
Per Otto-250 (PR review comments + responses + resolutions are high-quality training signals).
Coverage — 4 clarifications, 1 correction row
fbneomay appear as slug.Pattern observations
May-01→2026-05-01in a prior row "for consistency."Test plan
docs/pr-preservation/*-drain-log.mdtemplate.🤖 Generated with Claude Code