Second Codex (gpt-6.1-sol, xhigh) pass over 60634d3, each item verified
before fixing:
- new: the sync recheck hashed an existing empty database before schema
setup, so the first sync falsely reported an external change. Hash
after setup; a published snapshot already has the schema and keeps
its bytes.
- sync, import, and entity edits now hold a cross-process lock
(<db>.lock, std File::lock), so a sync cannot replace the database
under an import running in another process. Import validates and
downloads before taking the lock, keeping its error order. MSRV
1.85 -> 1.89 for File::lock.
- the row-count rebuild branch also never downgrades history.
- cache reads no longer delete corrupt entries (a concurrent writer may
have just replaced them); the next put overwrites atomically.
- idx-mcp validates the changes limit before querying and runs each
requested section or analysis once.
- XLSX parsing bounds total cell text, so one large shared string
referenced from many cells cannot exhaust memory.
- PDF/archive percentages must be 0-100%; HHI uses saturating math.
CLI goldens unchanged. Live A/B vs 0.2.4: 16 passed, discover hits the
IDX 403 on both builds (exit 4 vs 1, intended).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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