Land RPF-WP-0039 third apps-pg consumer source.

Admit vergabe_demo_company as the third declared consumer, track
the bounded provisioner and scoped controls, and refresh admission
occupancy to 3/3. Overflow remains apps-pg-2 before any fourth.

Assistant: grok
Assistant-Session: 01a0a23b-3bf0-7341-b4e5-9dc05f72573a

assurance/placement-owners.json

@@ -11,6 +11,12 @@
   "service_class": "interactive",
   "evidence": "docs/evidence/RPF-WP-0019-isolation-2026-08-20.md"
  },
+ "vergabe_demo_company": {
+  "owner": "vergabe-demo-company",
+  "cell": "apps-pg",
+  "service_class": "interactive",
+  "evidence": "workplans/RPF-WP-0039-vergabe-demo-company-database.md"
+ },
  "audit-core": {
   "owner": "audit-core",
   "cell": "platform-pg",