Steve Yegge 7b1573c4d4 fix(bd-f2f): Add hash-based staleness detection to prevent stale DB from corrupting JSONL ...

The existing ZFC checks only compared issue counts, missing the case where
counts match but content differs (e.g., status=open vs status=closed).

Added Case 3 (bd-f2f) hash-based staleness detection:
- Before export, check if JSONL content hash differs from stored hash
- If hash mismatch detected, import JSONL first to get remote changes
- Then proceed with export to write merged state

This prevents the corruption scenario where:
1. Stale DB has old status values (e.g., status=closed)
2. Remote JSONL has correct values (e.g., status=open)
3. Export would overwrite correct JSONL with stale DB values
4. Git 3-way merge would propagate the corruption

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Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-29 19:44:52 -08:00

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