Add "Best" option to book cover search

client/components/modals/item/tabs/Cover.vue

@@ -134,7 +134,7 @@ export default {
     },
     providers() {
       if (this.isPodcast) return this.$store.state.scanners.podcastProviders
-      return [{ text: 'All', value: 'all' }, ...this.$store.state.scanners.providers, ...this.$store.state.scanners.coverOnlyProviders]
+      return [{ text: 'Best', value: 'best' }, ...this.$store.state.scanners.providers, ...this.$store.state.scanners.coverOnlyProviders, { text: 'All', value: 'all' }]
     },
     searchTitleLabel() {
       if (this.provider.startsWith('audible')) return this.$strings.LabelSearchTitleOrASIN
@@ -243,7 +243,19 @@ export default {
       this.searchTitle = this.mediaMetadata.title || ''
       this.searchAuthor = this.mediaMetadata.authorName || ''
       if (this.isPodcast) this.provider = 'itunes'
-      else this.provider = localStorage.getItem('book-cover-provider') || localStorage.getItem('book-provider') || 'google'
+      else {
+        // Migrate from 'all' to 'best' (only once)
+        const migrationKey = 'book-cover-provider-migrated'
+        const currentProvider = localStorage.getItem('book-cover-provider') || localStorage.getItem('book-provider') || 'google'
+
+        if (!localStorage.getItem(migrationKey) && currentProvider === 'all') {
+          localStorage.setItem('book-cover-provider', 'best')
+          localStorage.setItem(migrationKey, 'true')
+          this.provider = 'best'
+        } else {
+          this.provider = currentProvider
+        }
+      }
     },
     removeCover() {
       if (!this.coverPath) {

server/finders/BookFinder.js

@@ -608,6 +608,14 @@ class BookFinder {
         Logger.debug(`[BookFinder] Found ${providerResults.length} covers from ${providerString}`)
         searchResults.push(...providerResults)
       }
+    } else if (provider === 'best') {
+      // Best providers: google, fantlab, and audible.com
+      const bestProviders = ['google', 'fantlab', 'audible']
+      for (const providerString of bestProviders) {
+        const providerResults = await this.search(null, providerString, title, author, options)
+        Logger.debug(`[BookFinder] Found ${providerResults.length} covers from ${providerString}`)
+        searchResults.push(...providerResults)
+      }
     } else {
       searchResults = await this.search(null, provider, title, author, options)
     }

server/managers/CoverSearchManager.js

@@ -119,6 +119,9 @@ class CoverSearchManager {
 
     if (provider === 'all') {
       providers = [...BookFinder.providers]
+    } else if (provider === 'best') {
+      // Best providers: google, fantlab, and audible.com
+      providers = ['google', 'fantlab', 'audible']
     } else {
       providers = [provider]
     }