db fix and new update request

internal/database/db.go

@@ -15,7 +15,7 @@ type DB struct {
 
 // Connect opens (or creates) the SQLite file at path and runs pragmas for
 // safe, performant operation. Pass ":memory:" for tests.
-func Connect(_ context.Context, path string) (*DB, error) {
+func Connect(_ context.Context, path string) (*sql.DB, error) {
 	db, err := sql.Open("sqlite", path)
 	if err != nil {
 		return nil, fmt.Errorf("open sqlite: %w", err)
@@ -38,5 +38,5 @@ func Connect(_ context.Context, path string) (*DB, error) {
 		return nil, fmt.Errorf("ping sqlite: %w", err)
 	}
 
-	return &DB{db}, nil
+	return db, nil
 }