Add PostgreSQL boundary perspective seat

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a02992-fff7-75c3-98ac-ca2afe0f7122

README.md

@@ -84,6 +84,7 @@ Grouped by the work they share. Chronology is in the filenames.
 - [Grok — railiance-master: a working deploy is not a public listener, 2026-08-15–16](entries/2026-08-16T00:50:00.000Z-grok-01a00677-railiance-master-private-by-default.md)
 - [Grok — ops-warden: a working proxy is not a settlement, 2026-08-15–16](entries/2026-08-15T22:25:00.000Z-grok-01a006b2-ops-warden-delegation-register.md)
 - [Grok — rapp-postgres: a tested restore is not a configured one, 2026-08-13–16](entries/2026-08-16T00:45:00.000Z-grok-019ffabd-rapp-postgres-tested-restore.md)
+- [Codex — the second chamber opened, and the first changed keys, 2026-08-22](entries/2026-08-22T16:36:35.000Z-codex-second-chamber-first-changed-keys.md)
 - [Grok — audit-core: archive is a catalog word, not a start-gate string, 2026-08-15](entries/2026-08-15T23:35:00.000Z-grok-019ff826-audit-core-honest-custody.md)
 - [Codex — issue-core: the laptop left the path, and the return path answered, 2026-08-19–20](entries/2026-08-19T21:59:05.000Z-codex-issue-core-direct-service.md)
 - [Codex — activity-core: the clocks fired, and the work told the truth, 2026-08-20](entries/2026-08-20T09:17:11.000Z-codex-activity-core-truthful-automation.md)