- Add checkForExistingIDs function to detect duplicate IDs within batch and conflicts with existing database entries before insert - Remove thread_id index creation from schema.go since thread_id column is added by migration 020_edge_consolidation.go 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>