REQ-FUN-007
Append-only audit log of every create/update/approve/reject/transition
What
The system SHALL store an append-only audit log of every create/update/approve/reject/transition with actor_id, timestamp, entity, before/after.
Acceptance
Append-only enforced at DB level (no UPDATE or DELETE permitted via app role); covers every mutation path.
Source
OBJ-6.
established project management guidelines Mapping
Append-only audit log is the integrated Monitor and Control evidence stream for every state-changing operation.