前端热更新

web/src/services/appUpdates.ts

@@ -18,10 +18,8 @@ interface AppUpdateCheckResponse {
 
 const updateChannel =
   import.meta.env.VITE_APP_UPDATE_CHANNEL?.trim() || 'production'
-const foregroundCheckInterval = 5 * 60 * 1000
 
 let checkInProgress: Promise<void> | undefined
-let lastCheckedAt = 0
 
 function absoluteApiUrl(relativePath: string) {
   const configuredBase = String(http.defaults.baseURL ?? '/api')
@@ -36,9 +34,7 @@ function absoluteApiUrl(relativePath: string) {
 
 async function checkForAppUpdate() {
   if (checkInProgress) return checkInProgress
-  if (!navigator.onLine || Date.now() - lastCheckedAt < foregroundCheckInterval) {
-    return
-  }
+  if (!navigator.onLine) return
 
   checkInProgress = (async () => {
   try {
@@ -64,6 +60,9 @@ async function checkForAppUpdate() {
           nativeVersion: current.native,
           currentVersion,
         },
+        // Update discovery is deliberately public. Do not delay startup for a
+        // token refresh or send a stale Authorization header to this endpoint.
+        skipAuthSession: true,
         timeout: 15000,
       },
     )
@@ -96,7 +95,6 @@ async function checkForAppUpdate() {
     // OTA failure must never stop users from entering the bundled application.
     console.warn('[app-update] update check failed', error)
   } finally {
-    lastCheckedAt = Date.now()
     checkInProgress = undefined
   }
   })()
@@ -116,10 +114,8 @@ export async function initializeAppUpdates() {
     console.warn('[app-update] bundle readiness confirmation failed', error)
   }
 
+  // Every cold start checks the latest public release immediately. A bundle
+  // downloaded here is activated when the app is next launched.
   void checkForAppUpdate()
-  window.addEventListener('visibilitychange', () => {
-    if (document.visibilityState === 'visible') {
-      void checkForAppUpdate()
-    }
-  })
+  window.addEventListener('online', () => void checkForAppUpdate())
 }