add tui features

internal/validation/validator.go

@@ -9,7 +9,8 @@ import (
 
 var (
 	// Valid pool/dataset name pattern (ZFS naming rules)
-	zfsNamePattern = regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9_\-\.:]*$`)
+	// Note: Forward slash (/) is allowed for dataset paths (e.g., "tank/data")
+	zfsNamePattern = regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9_\-\.:/]*$`)
 
 	// Valid username pattern
 	usernamePattern = regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9_\-\.]{2,31}$`)
@@ -51,7 +52,7 @@ func ValidateZFSName(name string) error {
 	}
 
 	if !zfsNamePattern.MatchString(name) {
-		return &ValidationError{Field: "name", Message: "invalid characters (allowed: a-z, A-Z, 0-9, _, -, ., :)"}
+		return &ValidationError{Field: "name", Message: "invalid characters (allowed: a-z, A-Z, 0-9, _, -, ., :, /)"}
 	}
 
 	// ZFS names cannot start with certain characters