Why: Dev composite test-pg failed: PostgreSQL rejects the unqualified
permission_version self-reference in the role_permissions upsert
(SQLSTATE 42702), and TestResolveHITLSecondRoundKeepsTerminalStatus read
the round-2 card before it was persisted.
Evidence: go test ./internal/store ./internal/runmgr pass and the HITL
test passes 20 consecutive runs locally on SQLite (SELF); PostgreSQL is
verified by the Dev composite test-pg job.
Impact: role_permissions.permission_version+1 on conflict; test-only
wait mirrors round 1. No other behavior change.
Refs: Agent-System-Backend#240, Agent-System-Dev#691 (test-pg run 4841);
agent-exec receipt u7-run (pi, success)
Co-authored-by: Cursor <cursoragent@cursor.com>