saving 25ms-50ms + move summary column

src/internal/app/app.go

@@ -7,12 +7,12 @@ import (
 )
 
 type App struct {
-	articles *database.ArticleModel
+	articles *database.ArticleRepository
 }
 
 func NewApp(db *sql.DB) *App {
 	return &App{
-		articles: &database.ArticleModel{DB: db},
+		articles: &database.ArticleRepository{DB: db},
 	}
 }