update code level

migrations/001_initial.sql

@@ -5,6 +5,7 @@ CREATE TABLE IF NOT EXISTS albums (
     document TEXT NOT NULL,
     description TEXT,
     cover_image_id TEXT,
+    image_count INTEGER NOT NULL DEFAULT 0, -- 新增图片数量字段
     created_at DATETIME NOT NULL,
     updated_at DATETIME NOT NULL
 );