Version the common and derived rail contract

examples/common-workload.json

@@ -0,0 +1,30 @@
+{
+  "contract_version": "1.0.0",
+  "workload_id": "example-platform-service",
+  "ownership_repo": "railiance-platform",
+  "criticality": "medium",
+  "data_classification": "internal",
+  "dependencies": ["kubernetes-api"],
+  "identity": {
+    "principal": "example-platform-service",
+    "secret_references": []
+  },
+  "health": {
+    "readiness": "HTTP readiness probe succeeds",
+    "smoke": "Authenticated package smoke succeeds"
+  },
+  "recovery": {
+    "rollback": "Restore the previous verified Kubernetes release"
+  },
+  "rail_bindings": [
+    {
+      "rail_id": "rail-kubernetes",
+      "rail_contract": "1.0",
+      "readiness_state": "declared",
+      "required_substrate_capabilities": ["kubernetes-api"],
+      "deployment_artifacts": ["railiance/app.toml"],
+      "rollout": {"mode": "stage2-isolated-canary"},
+      "rollback": {"mode": "previous-release"}
+    }
+  ]
+}