feat: 实现Redis集成与Kafka消息处理优化

- 新增Redis集成模块，支持心跳写入与控制台日志队列
- 优化Kafka消费者实现，支持多实例与自动重连
- 改进消息处理器，支持批量处理与多层解码
- 更新数据库表结构，调整字段类型与约束
- 添加Redis与Kafka的配置项和环境变量支持
- 补充测试用例和文档说明

scripts/db/apply.js

@@ -15,10 +15,10 @@ function getEnv(name, fallback) {
 function buildClientConfig(database) {
   const db = config.db;
   return {
-    host: getEnv('PGHOST', db.host),
-    port: Number(getEnv('PGPORT', db.port)),
-    user: getEnv('PGUSER', db.user),
-    password: getEnv('PGPASSWORD', db.password),
+    host: getEnv('POSTGRES_HOST', getEnv('PGHOST', db.host)),
+    port: Number(getEnv('POSTGRES_PORT', getEnv('PGPORT', db.port))),
+    user: getEnv('POSTGRES_USER', getEnv('PGUSER', db.user)),
+    password: getEnv('POSTGRES_PASSWORD', getEnv('PGPASSWORD', db.password)),
     database,
   };
 }
@@ -36,7 +36,7 @@ async function main() {
   const schemaFile = path.join(scriptsDir, '010_heartbeat_schema.sql');
   const partitionFile = path.join(scriptsDir, '020_partitioning_auto_daily.sql');
 
-  const targetDb = getEnv('PGTARGETDB', config.db.database);
+  const targetDb = getEnv('POSTGRES_DATABASE', getEnv('PGTARGETDB', config.db.database));
 
   console.log(`[db] Connecting to target db: ${targetDb}`);
   const targetClient = new Client(buildClientConfig(targetDb));