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

helm/apps-pg-databases.yaml

@@ -36,3 +36,20 @@ spec:
   name: coulomb_social_db
   owner: coulomb_social
   ensure: present
+---
+apiVersion: postgresql.cnpg.io/v1
+kind: Database
+metadata:
+  name: vergabe-demo-company-db            # RPF-WP-0039
+  namespace: databases
+  labels:
+    app.kubernetes.io/name: apps-pg
+    app.kubernetes.io/component: database-instance
+    railiance.io/layer: s3-platform
+    railiance.io/consumer: vergabe-demo-company
+spec:
+  cluster:
+    name: apps-pg
+  name: vergabe_demo_company
+  owner: vergabe_demo_company
+  ensure: present