add ai descriptions and extracted text

src/lib/db.ts

@@ -103,6 +103,7 @@ function initDb(db: Database.Database): void {
   migrateMediaItemsFingerprint(db)
   migrateMediaTagsToItemKey(db)
   migrateMediaItemsAiTagged(db)
+  migrateMediaItemsAiFields(db)
   seedAppSettings(db)
 }
 
@@ -114,6 +115,7 @@ function seedAppSettings(db: Database.Database): void {
     ai_enabled: 'false',
     ai_endpoint: '',
     ai_model: '',
+    preferred_language: 'English',
   }
   const insert = db.prepare(
     'INSERT OR IGNORE INTO app_settings (key, value) VALUES (?, ?)'
@@ -241,6 +243,22 @@ function migrateMediaItemsAiTagged(db: Database.Database): void {
   }
 }
 
+function migrateMediaItemsAiFields(db: Database.Database): void {
+  const row = db
+    .prepare("SELECT sql FROM sqlite_master WHERE type='table' AND name='media_items'")
+    .get() as { sql: string } | undefined
+  if (!row) return
+  if (!row.sql.includes('ai_description')) {
+    db.exec('ALTER TABLE media_items ADD COLUMN ai_description TEXT')
+  }
+  if (!row.sql.includes('extracted_text')) {
+    db.exec('ALTER TABLE media_items ADD COLUMN extracted_text TEXT')
+  }
+  if (!row.sql.includes('extracted_text_translated')) {
+    db.exec('ALTER TABLE media_items ADD COLUMN extracted_text_translated TEXT')
+  }
+}
+
 function migrateLibrariesType(db: Database.Database): void {
   const row = db
     .prepare("SELECT sql FROM sqlite_master WHERE type='table' AND name='libraries'")