Declare forge graph contracts

fabric/dependencies/railiance-forge-postgresql.yaml

@@ -0,0 +1,28 @@
+apiVersion: railiance.fabric/v1alpha1
+kind: DependencyDeclaration
+metadata:
+  id: railiance-forge.source-forge.needs-postgresql
+  name: Forge PostgreSQL dependency
+  owner: railiance-forge
+  repo: railiance-forge
+  domain: railiance
+  source_links:
+    - label: Backup and restore handoff
+      path: /home/worsch/railiance-forge/docs/backup-restore-secret-handoff.md
+spec:
+  lifecycle: active
+  environments: [dev, staging, prod]
+  consumer_service_id: railiance-forge.source-forge
+  requires:
+    capability_type: postgresql-database-service
+    capability_id: railiance-platform.cnpg.postgresql
+  interface:
+    type: database-connection
+    version_constraint: ">=v16"
+  auth:
+    method: database_role
+  criticality: critical
+  data_classification: confidential
+  fallback:
+    mode: none
+    description: The forge runtime requires the Gitea database state and cannot degrade safely without it.