The early ID deduplication in the main loop (seenIDs check) already
prevents duplicate IDs from reaching newIssues. The pre-batch
deduplication was dead code that could never fire.
Keeping two layers:
1. Early dedup in main loop - catches duplicates in JSONL input
2. INSERT OR IGNORE at DB level - safety net for all code paths
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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