feat(admin): add a snowflake reservation system (#34)

fluxer_api/src/constants/API.ts

@@ -279,6 +279,8 @@ export const AdminACLs = {
 
 	INSTANCE_CONFIG_VIEW: 'instance:config:view',
 	INSTANCE_CONFIG_UPDATE: 'instance:config:update',
+	INSTANCE_SNOWFLAKE_RESERVATION_VIEW: 'instance:snowflake_reservation:view',
+	INSTANCE_SNOWFLAKE_RESERVATION_MANAGE: 'instance:snowflake_reservation:manage',
 
 	METRICS_VIEW: 'metrics:view',
 

fluxer_api/src/constants/InstanceConfig.ts

@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export const SNOWFLAKE_RESERVATION_KEY_PREFIX = 'snowflake_reservation:';
+export const SNOWFLAKE_RESERVATION_REFRESH_CHANNEL = 'snowflake_reservation:refresh';