- Create 01-01-SUMMARY.md documenting both bug fixes and test addition
- Advance plan counter to 2/2 in STATE.md
- Record decisions and metrics in STATE.md
- Update ROADMAP.md plan progress (1/2 summaries)
- Mark requirements DATA-01 and DATA-02 complete
Investigates SQLite UPSERT semantics, FK enforcement per-connection
requirement, http.MaxBytesReader behavior, and t.Fatal test patterns.
All four DATA-0x bugs confirmed with authoritative sources and line
numbers. No open blockers; ready for planning.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
