chore: auto-commit (3 archivos)

- tool_create_function.go
- naming.go
- naming_test.go

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tool_create_function.go

@@ -141,8 +141,11 @@ func validateCreateFunctionArgs(a *createFunctionArgs) error {
 	if a.Name == "" || a.Lang == "" || a.Domain == "" || a.Description == "" || a.Code == "" {
 		return fmt.Errorf("name, lang, domain, description, code are required")
 	}
-	if !isSnakeCase(a.Name) {
-		return fmt.Errorf("name must be snake_case (lowercase + digits + underscores), got %q", a.Name)
+	if err := validateName(a.Name, a.Kind); err != nil {
+		return err
+	}
+	if err := validateDomain(a.Domain); err != nil {
+		return err
 	}
 	switch a.Lang {
 	case "go", "py", "bash", "ts":