feat: 更新文档和数据库管理逻辑，添加运行模式说明，修复分区表空间设置

scripts/db/020_partitioning_auto_daily.sql

@@ -48,7 +48,7 @@ BEGIN
   part_name := heartbeat.partition_name_for_day(p_day);
 
   EXECUTE format(
-    'CREATE TABLE IF NOT EXISTS heartbeat.%I PARTITION OF heartbeat.heartbeat_events FOR VALUES FROM (%s) TO (%s)',
+    'CREATE TABLE IF NOT EXISTS heartbeat.%I PARTITION OF heartbeat.heartbeat_events FOR VALUES FROM (%s) TO (%s) TABLESPACE ts_hot',
     part_name, start_ms, end_ms
   );
 END;