新增代理服务的离线接口，优化认证逻辑，代理服务表添加状态字段

scripts/sql/init.sql

@@ -516,14 +516,17 @@ create table proxy (
     version    int          not null,
     name       varchar(255) not null unique,
     host       varchar(255) not null,
-    type       int          not null default 0,
     secret     varchar(255),
-    created_at timestamp             default current_timestamp,
-    updated_at timestamp             default current_timestamp,
+    type       int          not null,
+    status     int          not null,
+    created_at timestamp default current_timestamp,
+    updated_at timestamp default current_timestamp,
     deleted_at timestamp
 );
 create index proxy_name_index on proxy (name);
 create index proxy_host_index on proxy (host);
+create index proxy_type_index on proxy (type);
+create index proxy_status_index on proxy (status);
 create index proxy_deleted_at_index on proxy (deleted_at);
 
 -- proxy表字段注释
@@ -534,6 +537,7 @@ comment on column proxy.name is '代理服务名称';
 comment on column proxy.host is '代理服务地址';
 comment on column proxy.type is '代理服务类型：1-三方，2-自有';
 comment on column proxy.secret is '代理服务密钥';
+comment on column proxy.status is '代理服务状态：0-离线，1-在线';
 comment on column proxy.created_at is '创建时间';
 comment on column proxy.updated_at is '更新时间';
 comment on column proxy.deleted_at is '删除时间';