fix: lint errors

internal/migration/migration.go

@@ -49,7 +49,11 @@ func GetAppliedMigrations(db *sql.DB) ([]int, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func() {
+		if err := rows.Close(); err != nil {
+			fmt.Printf("Error closing rows: %v\n", err)
+		}
+	}()
 
 	var versions []int
 	for rows.Next() {
@@ -128,7 +132,9 @@ func Migrate(db *sql.DB) error {
 
 			// Apply the migration
 			if err := migration.Up(db); err != nil {
-				tx.Rollback()
+				if err := tx.Rollback(); err != nil {
+					fmt.Printf("Error rolling back transaction: %v\n", err)
+				}
 				return fmt.Errorf("failed to apply migration %d: %w", version, err)
 			}
 
@@ -137,7 +143,9 @@ func Migrate(db *sql.DB) error {
 				"INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)",
 				version, time.Now(),
 			); err != nil {
-				tx.Rollback()
+				if err := tx.Rollback(); err != nil {
+					fmt.Printf("Error rolling back transaction: %v\n", err)
+				}
 				return fmt.Errorf("failed to mark migration %d as applied: %w", version, err)
 			}
 
@@ -188,13 +196,17 @@ func MigrateDown(db *sql.DB, targetVersion int) error {
 
 			// Apply the down migration
 			if err := migration.Down(db); err != nil {
-				tx.Rollback()
+				if err := tx.Rollback(); err != nil {
+					fmt.Printf("Error rolling back transaction: %v\n", err)
+				}
 				return fmt.Errorf("failed to roll back migration %d: %w", version, err)
 			}
 
 			// Remove from applied list
 			if _, err := tx.Exec("DELETE FROM schema_migrations WHERE version = ?", version); err != nil {
-				tx.Rollback()
+				if err := tx.Rollback(); err != nil {
+					fmt.Printf("Error rolling back transaction: %v\n", err)
+				}
 				return fmt.Errorf("failed to remove migration %d from applied list: %w", version, err)
 			}
 
@@ -208,4 +220,4 @@ func MigrateDown(db *sql.DB, targetVersion int) error {
 	}
 
 	return nil
-}
+}