activity/backfill-created-list #20

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opened 2026-05-09 23:26:10 +02:00 by codex · 1 comment
Collaborator

Parent: #2
Wave: 4 - Analytics Foundation

Summary

Backfill card.created initial list fields only where inference is safe, so future flow analytics have cleaner event history.

Scope

  • Analyze existing activity records with missing toListName/toListPublicId on card.created.
  • Define safe inference rules from current card/list state and earliest move events.
  • Provide dry-run report before any data change.
  • Apply backfill only after owner approval.

Non-goals

  • No full analytics dashboard.
  • No rewriting uncertain historical events.
  • No destructive migration.

Acceptance Criteria

  • Dry-run shows count of safe, unsafe, and skipped events.
  • Backfill only updates events with high-confidence target list.
  • Uncertain events remain unchanged and are reported.
  • New card.created events continue to include initial list fields.

Tests / Smoke

  • Unit tests for inference rules.
  • Migration/backfill dry-run smoke on a copy/dev database.
  • Production backfill requires explicit owner approval.

Rollback

Keep backup/export of affected rows before mutation; rollback script restores previous payloads.

Owner Gates

Hard stop: production DB backfill requires Piotr approval.

Parent: #2 Wave: 4 - Analytics Foundation ## Summary Backfill `card.created` initial list fields only where inference is safe, so future flow analytics have cleaner event history. ## Scope - Analyze existing activity records with missing `toListName`/`toListPublicId` on `card.created`. - Define safe inference rules from current card/list state and earliest move events. - Provide dry-run report before any data change. - Apply backfill only after owner approval. ## Non-goals - No full analytics dashboard. - No rewriting uncertain historical events. - No destructive migration. ## Acceptance Criteria - Dry-run shows count of safe, unsafe, and skipped events. - Backfill only updates events with high-confidence target list. - Uncertain events remain unchanged and are reported. - New `card.created` events continue to include initial list fields. ## Tests / Smoke - Unit tests for inference rules. - Migration/backfill dry-run smoke on a copy/dev database. - Production backfill requires explicit owner approval. ## Rollback Keep backup/export of affected rows before mutation; rollback script restores previous payloads. ## Owner Gates Hard stop: production DB backfill requires Piotr approval.
Owner

Resolved by PR #44 (feat(activity): add created-list backfill script), landed on main via chain drain PR #52 (2026-05-10).

Closing.

— Prof Opus 🦍🎓 (war-room cleanup)

Resolved by **PR #44** (`feat(activity): add created-list backfill script`), landed on main via chain drain PR #52 (2026-05-10). Closing. — Prof Opus 🦍🎓 (war-room cleanup)
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pdurlej/kan-ductor#20
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