Bound compact native JSON with the existing writer, keep a valid code facet when the graph cannot fit, and pass the supervised byte budget explicitly. Verify real SQLite Parser/Pragma captures, exact preserved C/mappings/graph facts and public MCP reads. Keep string inventory parsing/projection under its own owner. Co-authored-by: gensokyo-dev <[email protected]> Co-authored-by: Kaoru0822 <[email protected]>