refac/enh: allow underscore for prompt command

src/lib/components/workspace/Prompts/PromptEditor.svelte

@@ -59,8 +59,8 @@
 	};
 
 	const validateCommandString = (inputString) => {
-		// Regular expression to match only alphanumeric characters and hyphen
-		const regex = /^[a-zA-Z0-9-]+$/;
+		// Regular expression to match only alphanumeric characters, hyphen, and underscore
+		const regex = /^[a-zA-Z0-9-_]+$/;
 
 		// Test the input string against the regular expression
 		return regex.test(inputString);

src/lib/utils/index.ts

@@ -1389,8 +1389,8 @@ export const slugify = (str: string): string => {
 			.replace(/[\u0300-\u036f]/g, '')
 			// 3. Replace any sequence of whitespace with a single hyphen
 			.replace(/\s+/g, '-')
-			// 4. Remove all characters except alphanumeric characters and hyphens
-			.replace(/[^a-zA-Z0-9-]/g, '')
+			// 4. Remove all characters except alphanumeric characters, hyphens, and underscores
+			.replace(/[^a-zA-Z0-9-_]/g, '')
 			// 5. Convert to lowercase
 			.toLowerCase()
 	);