chore(release): stage v1.7.55-alpha

neode-ui/src/views/SystemUpdate.vue

@@ -739,6 +739,10 @@ function showStatus(msg: string, isError = false) {
   setTimeout(() => { statusMessage.value = '' }, 8000)
 }
 
+function errorMessage(e: unknown): string {
+  return e instanceof Error ? e.message : String(e)
+}
+
 async function loadStatus() {
   try {
     const res = await rpcClient.call<{
@@ -814,7 +818,17 @@ async function downloadUpdate() {
     const sizeMB = (res.downloaded_bytes / 1_048_576).toFixed(1)
     showStatus(t('systemUpdate.downloadSuccess', { count: res.components_downloaded, size: sizeMB }))
   } catch (e) {
-    showStatus(t('systemUpdate.downloadFailed'), true)
+    const msg = errorMessage(e)
+    if (/no update.*available/i.test(msg)) {
+      updateInfo.value = null
+      updateMethod.value = null
+      downloaded.value = false
+      updateInProgress.value = false
+      await loadStatus()
+      showStatus(t('systemUpdate.upToDateMessage'))
+    } else {
+      showStatus(`${t('systemUpdate.downloadFailed')} ${msg}`, true)
+    }
     if (import.meta.env.DEV) console.warn('Download failed', e)
   } finally {
     clearInterval(progressInterval)