fix(updater): downgrade manual check failure notice to warning

Manual update-check failures surfaced as red error toasts that read as
an app fault. Add a warning severity to the notice service and use it
in both check entry points alongside a console.warn; automatic checks
and install failures keep their existing behavior.

src/components/home/system-info-card.tsx

@@ -108,7 +108,8 @@ export const SystemInfoCard = () => {
         goToSettings()
       }
     } catch (err) {
-      showNotice.error(err)
+      console.warn('update check failed:', err)
+      showNotice.warning(err)
     }
   })
 

src/components/setting/setting-verge-advanced.tsx

@@ -54,8 +54,9 @@ const SettingVergeAdvanced = ({ onError: _ }: Props) => {
       } else {
         updateRef.current?.open()
       }
-    } catch (err: any) {
-      showNotice.error(err)
+    } catch (err) {
+      console.warn('update check failed:', err)
+      showNotice.warning(err)
     }
   }
 

src/services/notice-service.ts

@@ -4,7 +4,7 @@ import { ReactNode, isValidElement } from 'react'
 import type { FailedOperation } from '@/services/cmds'
 import type { TranslationKey } from '@/types/generated/i18n-keys'
 
-type NoticeType = 'success' | 'error' | 'info'
+type NoticeType = 'success' | 'error' | 'info' | 'warning'
 
 interface NoticeTranslationDescriptor {
   key: string
@@ -47,6 +47,7 @@ type ShowNotice = ((
   success: NoticeShortcut
   error: NoticeShortcut
   info: NoticeShortcut
+  warning: NoticeShortcut
 }
 
 type NoticeSubscriber = () => void
@@ -54,6 +55,7 @@ type NoticeSubscriber = () => void
 const DEFAULT_DURATIONS: Readonly<Record<NoticeType, number>> = {
   success: 3000,
   info: 5000,
+  warning: 6000,
   error: 8000,
 }
 
@@ -509,6 +511,8 @@ export const showNotice: ShowNotice = Object.assign(baseShowNotice, {
     baseShowNotice('error', message, ...extras),
   info: (message: NoticeContent, ...extras: NoticeExtra[]) =>
     baseShowNotice('info', message, ...extras),
+  warning: (message: NoticeContent, ...extras: NoticeExtra[]) =>
+    baseShowNotice('warning', message, ...extras),
 })
 
 export function hideNotice(id: number) {