feat: auto cleanup workflow history runs and expired certificates

ui/src/domain/settings.ts

@@ -3,6 +3,7 @@ export const SETTINGS_NAMES = Object.freeze({
   NOTIFY_TEMPLATES: "notifyTemplates",
   NOTIFY_CHANNELS: "notifyChannels",
   SSL_PROVIDER: "sslProvider",
+  PERSISTENCE: "persistence",
 } as const);
 
 export type SettingsNames = (typeof SETTINGS_NAMES)[keyof typeof SETTINGS_NAMES];
@@ -165,3 +166,10 @@ export type SSLProviderGoogleTrustServicesConfig = {
   eabHmacKey: string;
 };
 // #endregion
+
+// #region Settings: Persistence
+export type PersistenceSettingsContent = {
+  workflowRunsMaxDaysRetention?: number;
+  expiredCertificatesMaxDaysRetention?: number;
+};
+// #endregion