chore: 调整健康检查端口和SQL注释验证内容

1. 更新docker-compose健康检查使用环境变量PORT
2. 优化SQL迁移脚本的注释和验证查询语句

docker-compose.yml

@@ -89,7 +89,7 @@ services:
       postgres:
         condition: service_healthy
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8000/docs"]
+      test: ["CMD", "curl", "-f", "http://localhost:${PORT:-8000}/docs"]
       interval: 30s
       timeout: 10s
       start_period: 10s

scripts/migrate/monitor/monitor_tables.sql

@@ -185,8 +185,8 @@ VALUES (
 );
 
 -- =====================================================
--- 完成提示
+-- 完成提示与验证
 -- =====================================================
--- 执行完成后，可通过以下命令验证:
--- SELECT name FROM sqlite_master WHERE type='table';
--- SELECT * FROM schema_version ORDER BY applied_at DESC;
+-- 验证建表结果（执行此查询以确认所有表已创建）
+SELECT name FROM sqlite_master WHERE type='table' ORDER BY name;
+SELECT 'Schema version applied: ' || version AS result FROM schema_version ORDER BY applied_at DESC LIMIT 1;