Checklist added to RULES-S.md close sequence step 6. Every decision must be written to BOTH records.db (short, get rec_id) and system DB (full detail, store rec_id). Session must be written to BOTH DBs. Link-back must be complete — records.db decisions have sys_id pointing to system DB decision. System DB decisions have rec_id pointing to records.db. knowledge.md written. Backup run if significant work. Session is NOT confirmed closed until all 8 checklist items complete. Standing order ID31 distributed.

D098 — Pre-close checklist mandatory — all records must be complete before close