add docker hot update management

web/src/pages/settingsGroupSystemUpdate.ts

@@ -0,0 +1,33 @@
+import type { SettingGroup } from './settingsGroupTypes'
+
+export const systemUpdateSettingsGroup: SettingGroup = {
+  key: 'system-update',
+  label: '系统更新',
+  description: 'Docker 部署可在这里检查并拉取最新版镜像。',
+  items: [
+    {
+      key: 'system.update.image',
+      label: '应用镜像',
+      type: 'text',
+      defaultValue: 'ghcr.io/shukebta/mediastation-go:latest',
+      placeholder: 'ghcr.io/shukebta/mediastation-go:latest',
+      hint: '用于检查远端摘要；保持 latest 即可跟随主分支镜像。',
+    },
+    {
+      key: 'system.update.watchtower_image',
+      label: 'Watchtower 镜像',
+      type: 'text',
+      defaultValue: 'containrrr/watchtower:latest',
+      placeholder: 'containrrr/watchtower:latest',
+      hint: '默认使用一次性 Watchtower 更新当前容器。',
+    },
+    {
+      key: 'system.update.command',
+      label: '自定义更新命令',
+      type: 'textarea',
+      placeholder:
+        'docker run --rm -v /var/run/docker.sock:/var/run/docker.sock {{watchtower_image}} --run-once --cleanup {{container}}',
+      hint: '留空时使用默认命令。支持 {{image}}、{{watchtower_image}}、{{container}}、{{container_id}}、{{container_name}}。',
+    },
+  ],
+}