feat(admission): add group VPN exceptions

design/us-012-admin-operations.md

@@ -3,7 +3,7 @@ type: User Story
 title: Operate settings and audit views
 description: Authorized administrators control server messaging and investigate recent platform events.
 tags: [admin, settings, audit, operations]
-timestamp: 2026-08-01T22:34:31Z
+timestamp: 2026-08-02T14:12:43Z
 story_id: US-012
 status: verified
 ---
@@ -21,11 +21,16 @@ As an administrator, I want operational settings and audit visibility, so that I
 - [x] Event views show type, subject, IP, classification, and approximate location when available.
 - [x] Admin console access itself creates an audit event with the SSO identity.
 - [x] Settings, users, and events are linked from the shared admin navigation.
+- [x] Administrators can independently configure registration-required, group-access-disabled, and VPN/proxy/Tor-denied game messages.
+- [x] Every message is validated server-side and has a safe default.
+- [x] Admission-message changes are audited with the administrator identity without logging credentials.
 
 # Implementation
 
 - [`apps/web/src/app/admin/(console)/page.tsx`](../apps/web/src/app/admin/%28console%29/page.tsx)
 - [`apps/web/src/app/admin/(console)/actions.ts`](../apps/web/src/app/admin/%28console%29/actions.ts)
+- [`apps/web/src/lib/admission-settings.ts`](../apps/web/src/lib/admission-settings.ts)
+- [`packages/database/drizzle/0004_zippy_silver_centurion.sql`](../packages/database/drizzle/0004_zippy_silver_centurion.sql)
 - [`apps/web/src/app/admin/(console)/events/page.tsx`](../apps/web/src/app/admin/%28console%29/events/page.tsx)
 
 # Validation