- Removed unused empty nodes-v2.db file - Updated NodeDocumentationService to use nodes.db as default - Updated test file to use correct database - Added secret scanning exclusion for database files This prevents confusion about which database is actually used and removes the file that GitHub's security advisor was flagging. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>