feat: add unified OA event flow

docker-compose.yml

@@ -118,6 +118,7 @@ services:
     depends_on:
       - database
       - backend-core
+      - oa-event-flow
     expose:
       - "4222"
     environment:
@@ -134,6 +135,7 @@ services:
       CODE_QUEUE_MODEL_REASONING_EFFORTS: "gpt-5.5=xhigh"
       CODE_QUEUE_SANDBOX: "danger-full-access"
       CODE_QUEUE_APPROVAL_POLICY: "never"
+      OA_EVENT_FLOW_BASE_URL: "http://oa-event-flow:4255"
       CODE_QUEUE_MAX_ATTEMPTS: "99"
       CODE_QUEUE_MAX_ACTIVE_QUEUES: "${UNIDESK_CODE_QUEUE_MAX_ACTIVE_QUEUES:-0}"
       NODE_OPTIONS: "${UNIDESK_CODE_QUEUE_NODE_OPTIONS:---max-old-space-size=768}"
@@ -180,6 +182,36 @@ services:
       timeout: 3s
       retries: 20
 
+
+  oa-event-flow:
+    image: oa-event-flow
+    build:
+      context: .
+      dockerfile: src/components/microservices/oa-event-flow/Dockerfile
+    container_name: oa-event-flow-backend
+    restart: unless-stopped
+    depends_on:
+      - database
+      - backend-core
+    expose:
+      - "4255"
+    environment:
+      HOST: "0.0.0.0"
+      PORT: "4255"
+      DATABASE_URL: "postgres://${UNIDESK_DATABASE_USER}:${UNIDESK_DATABASE_PASSWORD}@database:5432/${UNIDESK_DATABASE_NAME}"
+      PIPELINE_OA_BRIDGE_BASE_URL: "http://backend-core:8080/api/microservices/pipeline/proxy"
+      PIPELINE_OA_BRIDGE_INTERVAL_MS: "${UNIDESK_PIPELINE_OA_BRIDGE_INTERVAL_MS:-15000}"
+      PIPELINE_OA_BRIDGE_RUN_LIMIT: "${UNIDESK_PIPELINE_OA_BRIDGE_RUN_LIMIT:-50}"
+      LOG_FILE: "/var/log/unidesk/${UNIDESK_LOG_DAY}/${UNIDESK_LOG_PREFIX}_oa-event-flow.jsonl"
+      UNIDESK_LOG_RETENTION_BYTES: "${UNIDESK_LOG_RETENTION_BYTES:-1GiB}"
+    volumes:
+      - ${UNIDESK_LOG_DIR}:/var/log/unidesk
+    healthcheck:
+      test: ["CMD", "bun", "-e", "fetch('http://127.0.0.1:4255/health').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"]
+      interval: 5s
+      timeout: 3s
+      retries: 20
+
   project-manager:
     image: project-manager
     build: