shard(tick): 1833Z — B-0533 Slice B.1 scanner shipped; substrate-honest correction (10 dead xrefs, not 20+)#3550
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…st correction (10 dead xrefs, not 20+) - PR #3546 (1820Z) merged - PR #3548 — Slice B.1 scanner (audit-section-33-migration-xrefs.ts, 284 LOC) - Empirical baseline: 10 dead xrefs (9 DeepSeek + 1 Riven) — 1807Z's "20+" was false positive - Scanner caught B-0159:135 dead xref that PR #3529's manual sweep missed - 7-tick parallel-substantive pattern continues; mechanization landed Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Pull request overview
Adds the 1833Z hygiene-history tick shard documenting the landing of B-0533 Slice B.1 (the §33 migration dead-xref scanner) and records a substrate-honest correction to the previously estimated dead-xref count (10, not 20+).
Changes:
- Adds a new tick shard capturing the scanner’s scope, empirical baseline output, and follow-up slice plan.
- Records a correction to earlier rough-scan estimates and notes one additional missed dead-xref instance for later triage.
Comments suppressed due to low confidence (1)
docs/hygiene-history/ticks/2026/05/15/1833Z.md:67
- P1: This table also uses
||(double pipe) at the start of each line. For consistency with other tick shards and to avoid accidental empty first columns / lint issues, switch to a single leading|in the header, separator, and rows.
| Tick | Substantive landing | Notable |
|---|---|---|
| 1718Z | Cron re-arm + §33 cascade survey shard | Re-armed catch-43 sentinel |
| 1731Z | 2 MEMORY.md off-by-one fixes (PR #3526) | Self-audit caught own bugs |
| 1749Z | Codex P2 xref fix (PR #3529) | Post-merge thread audit |
| 1757Z | Vera attribution Otto→Lior (PR #3535) + 3 threads resolved | Substantive thread replies |
| 1807Z | B-0533 backlog row (PR #3540) | Class-level pattern captured |
| 1820Z | B-0533 Slice A POC (PR #3544) | Inline annotation convention |
| **1833Z** | **B-0533 Slice B.1 scanner (PR #3548)** | **Mechanization shipped** |
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Summary
Tick 1833Z. B-0533 Slice B.1 scanner shipped as PR #3548. Empirical baseline: 10 dead xrefs (9 DeepSeek + 1 Riven). My 1807Z rough scan estimate of "20+" was false-positive — substrate-honest correction recorded.
Scanner caught a real finding the manual sweep missed: `docs/backlog/P1/B-0159-...md:135` still has the dead xref that PR #3529 only fixed at line 17.
Test plan
🤖 Generated with Claude Code