feat: 落地聊天记录异步持久化基础设施

- 新增 chatlog 模块、AnalyticalDB 公共层与 common-mq Redis Streams 实现

- 建立 Redis 热态、MySQL 热数据、AnalyticalDB 历史查询与同步链路

- 收紧聊天记录幂等、摘要时序与持久化失败语义

easyflow-starter/easyflow-starter-all/src/main/resources/application-prod.yml

@@ -14,5 +14,47 @@ spring:
       password: ${REDIS_PASSWORD:123456}
 
 easyflow:
+  chat:
+    cache:
+      session-list-ttl: 300s
+      session-summary-ttl: 600s
+      session-tail-ttl: 1800s
+      tail-size: 50
+    sync:
+      enabled: true
+      batch-size: 500
+      fixed-delay: 30000
+      repair-lookback-days: 3
+      retention-months: 3
+  mq:
+    enabled: true
+    type: redis
+    redis:
+      database: 1
+      stream-prefix: easyflow:mq
+      chat-persist-shard-count: 4
+      consumer-batch-size: 200
+      consumer-block-timeout: 2000ms
+      pending-claim-idle: 60000ms
+      max-retry: 16
+  analytical-db:
+    enabled: true
+    url: ${EASYFLOW_ANALYTICAL_DB_URL:jdbc:clickhouse://127.0.0.1:8123/easyflow?jdbc_ignore_unsupported_values=true&socket_timeout=30000&compress=false&ssl=false}
+    username: ${EASYFLOW_ANALYTICAL_DB_USERNAME:default}
+    password: ${EASYFLOW_ANALYTICAL_DB_PASSWORD:}
+    driver-class-name: com.clickhouse.jdbc.ClickHouseDriver
+    pool:
+      max-pool-size: 10
+      min-idle: 1
+      connection-timeout: 5000
+      validation-timeout: 3000
+      idle-timeout: 600000
+      max-lifetime: 1800000
+  flyway:
+    analytical-db:
+      locations: classpath:db/migration/analyticaldb
+      table: flyway_schema_history_analytical_db
+      baseline-on-migrate: false
+      validate-on-migrate: true
   storage:
     type: xFileStorage