feat: add messaging R2 polling producer

src/config/messaging/release-profile-assertions.yaml

@@ -0,0 +1,55 @@
+schemaVersion: 1
+releaseProfiles:
+  - releaseProfileId: messaging-first-r2-polling-producer-release.v1
+    compatibilityProfileId: messaging-first-r2-polling-producer.v1
+    selectedCardIds:
+      - messaging-outbox-publish.v1
+      - kafka-spring-acknowledged-idempotent.v1
+      - postgresql-polling-outbox.v2
+      - postgresql-per-record-jit-claim.v1
+      - json-schema-envelope.v1
+      - external-topic-validated.v1
+      - kafka-sasl-ssl-scram-sha-512.v1
+      - kafka-compression-none.v1
+      - per-key-normal-path-sequence-detectable.v1
+      - same-postgresql-transaction-resource.v1
+      - authenticated-internal-web-disposition.v1
+    requiredCardMaturity: release-eligible
+    expectedProfileHash: ""
+    expectedCatalogHash: ""
+    expectedSchemaHash: ""
+    expectedSettingsHash: ""
+    requiredEvidenceTasks:
+      - verifyMessagingContracts
+      - verifyMessagingJsonSchemaV1
+      - verifyMessagingPollingOutboxR2
+      - verifyMessagingKafkaProducerR2
+      - verifyMessagingSecurityR2
+      - verifyMessagingReleaseProfile
+      - verifyMessagingTargetBindingPreflight
+      - verifyMessagingTargetBinding
+      - verifyMessagingDeploymentCutover
+      - verifyMessagingCleanupTargetBinding
+      - verifyMessagingFinalR2Profile
+    requiredScenarios:
+      - messaging.release.contracts-schema.v1
+      - messaging.release.polling-outbox.v2
+      - messaging.release.kafka-producer.v1
+      - messaging.release.security-topology.v1
+      - messaging.release.shutdown-rotation.v1
+    runbookIds:
+      - runbook.messaging-producer-unavailable-or-unauthorized.v1
+      - runbook.messaging-outbox-backlog-and-stale-lease.v1
+      - runbook.messaging-delivery-indeterminate-and-duplicate-burst.v1
+      - runbook.messaging-schema-poison-or-record-too-large.v1
+      - runbook.messaging-terminal-delivery-disposition.v1
+      - runbook.messaging-topic-policy-or-partition-change.v1
+      - runbook.messaging-shutdown-deploy-and-secret-rotation.v1
+      - runbook.messaging-legacy-to-v2-relay-authority-cutover.v1
+    evidencePolicy:
+      rejectMissing: true
+      rejectSkipped: true
+      rejectStale: true
+      rejectWrongSource: true
+      rejectMismatchedProfile: true
+      maximumAgeSeconds: 86400