新增备份监控与定时配置

backend/migrations/000050_backup_monitor_permissions.sql

@@ -0,0 +1,35 @@
+-- +goose Up
+
+INSERT INTO permissions (code, name, resource, action) VALUES
+('backup:view', '查看备份状态', 'backup', 'view'),
+('backup:schedule:update', '修改备份定时', 'backup', 'schedule_update')
+ON DUPLICATE KEY UPDATE
+  name = VALUES(name),
+  resource = VALUES(resource),
+  action = VALUES(action);
+
+INSERT IGNORE INTO role_permissions (role_id, permission_id)
+SELECT r.id, p.id FROM roles r, permissions p
+WHERE r.code = 'super_admin' AND p.code IN ('backup:view', 'backup:schedule:update');
+
+INSERT INTO system_configs (`key`, `value`, description) VALUES
+('backup.schedule_enabled', 'true', '在线备份定时任务是否启用'),
+('backup.full_hour', '4', '每日全量备份小时（Asia/Shanghai）'),
+('backup.full_minute', '30', '每日全量备份分钟（Asia/Shanghai）'),
+('backup.binlog_interval_minutes', '1', 'binlog 归档间隔分钟（1-5）')
+ON DUPLICATE KEY UPDATE description = VALUES(description);
+
+-- +goose Down
+
+DELETE rp FROM role_permissions rp
+JOIN permissions p ON p.id = rp.permission_id
+WHERE p.code IN ('backup:view', 'backup:schedule:update');
+
+DELETE FROM permissions WHERE code IN ('backup:view', 'backup:schedule:update');
+
+DELETE FROM system_configs WHERE `key` IN (
+  'backup.schedule_enabled',
+  'backup.full_hour',
+  'backup.full_minute',
+  'backup.binlog_interval_minutes'
+);