feat(config): add configurable default shutdown delay for shutdown actions

ts/cli/action-handler.ts

@@ -4,6 +4,7 @@ import { type ITableColumn, logger } from '../logger.ts';
 import { symbols, theme } from '../colors.ts';
 import type { IActionConfig } from '../actions/base-action.ts';
 import { ProxmoxAction } from '../actions/proxmox-action.ts';
+import { SHUTDOWN } from '../constants.ts';
 import type { IGroupConfig, IUpsConfig } from '../daemon.ts';
 import * as helpers from '../helpers/index.ts';
 
@@ -81,16 +82,20 @@ export class ActionHandler {
         if (typeValue === 1) {
           // Shutdown action
           newAction.type = 'shutdown';
+          const defaultShutdownDelay =
+            this.nupst.getDaemon().getConfig().defaultShutdownDelay ?? SHUTDOWN.DEFAULT_DELAY_MINUTES;
 
           const delayStr = await prompt(
-            `  ${theme.dim('Shutdown delay')} ${theme.dim('(minutes) [5]:')} `,
+            `  ${theme.dim('Shutdown delay')} ${theme.dim(`(minutes, leave empty for default ${defaultShutdownDelay}):`)} `,
           );
-          const shutdownDelay = delayStr ? parseInt(delayStr, 10) : 5;
-          if (isNaN(shutdownDelay) || shutdownDelay < 0) {
-            logger.error('Invalid shutdown delay. Must be >= 0.');
-            process.exit(1);
+          if (delayStr.trim()) {
+            const shutdownDelay = parseInt(delayStr, 10);
+            if (isNaN(shutdownDelay) || shutdownDelay < 0) {
+              logger.error('Invalid shutdown delay. Must be >= 0.');
+              process.exit(1);
+            }
+            newAction.shutdownDelay = shutdownDelay;
           }
-          newAction.shutdownDelay = shutdownDelay;
         } else if (typeValue === 2) {
           // Webhook action
           newAction.type = 'webhook';
@@ -468,7 +473,9 @@ export class ActionHandler {
     ];
 
     const rows = target.actions.map((action, index) => {
-      let details = `${action.shutdownDelay || 5}min delay`;
+      const defaultShutdownDelay =
+        this.nupst.getDaemon().getConfig().defaultShutdownDelay ?? SHUTDOWN.DEFAULT_DELAY_MINUTES;
+      let details = `${action.shutdownDelay ?? defaultShutdownDelay}min delay`;
       if (action.type === 'proxmox') {
         const mode = action.proxmoxMode || 'auto';
         if (mode === 'cli' || (mode === 'auto' && !action.proxmoxTokenId)) {