refactor: 빌드 로직 개선, gradle 파일 경량화

docs/registries/env-keys.yaml

@@ -3325,6 +3325,21 @@ env_keys:
     compatibility_impact: behavior-change
     required_test: adapter-contract:messaging-broker-selection
 
+  - name: APP_MESSAGING_PRODUCER_ID
+    # source: canonical messaging platform bridge 2026-09-18
+    # Explicit logical producing-service identity for IntegrationEventPublishPort.
+    # Blank/absent = canonical platform bridge is not exposed; identity is never inferred.
+    type: string
+    default: null
+    allowed_values: null
+    classification: public-config
+    required: false
+    reload_policy: restart-only
+    owner_branch: feature-integration-adapter-templates
+    validation: none
+    compatibility_impact: additive
+    required_test: adapter-contract:messaging-platform-producer-id
+
   - name: APP_MESSAGING_KAFKA_BROKERS
     # source: feature-domain-event-outbox-contract — "Kafka는 optional integration adapter"
     #         (broker 활성화 시 endpoint 필요)
@@ -4358,6 +4373,22 @@ env_keys:
     validation: boolean
     compatibility_impact: behavior-change
     required_test: adapter-contract:outbox-capability-disabled-safe
+  - name: APP_OUTBOX_CANONICAL_TRANSPORT_ENABLED
+    # source: MSG-015 transport-only cutover 2026-09-18
+    # Enables canonical outbox rows/platform transport without switching publication authority.
+    type: boolean
+    default: false
+    allowed_values:
+      - "true"
+      - "false"
+    classification: public-config
+    required: false
+    reload_policy: restart-only
+    owner_branch: feature-integration-adapter-templates
+    validation: boolean
+    compatibility_impact: additive
+    required_test: app-bootstrap:outbox-canonical-transport-gate
+
   - name: APP_OUTBOX_RELAY_ENABLED
     # source: five-adapter-runtime-remediation §6.3 MSG-INT-001 — starts the relay scheduler.
     # Requires APP_OUTBOX_ENABLED, APP_PERSISTENCE_JPA_ENABLED and APP_MESSAGING_ENABLED with a