feat: check if mod can be used before listing it

src/commands/tts/setmode.ts

@@ -30,6 +30,7 @@ const cmd: Command = {
 		const modeName = interaction.options.getString('mode', true);
 		const selectedMode = TTSManager.get
 			.getModules()
+			.filter(async (mod) => await mod.canBeUsed())
 			.find((mode) => mode.name === modeName);
 
 		if (!selectedMode) {
@@ -50,12 +51,13 @@ const cmd: Command = {
 		const modes = TTSManager.get.getModules();
 
 		const filtered: string[] = modes
-			.filter((mode) => {
-				return mode.name
-					? mode.name.toLowerCase().startsWith(focused.value.toLowerCase())
+			.filter((mod) => mod.canBeUsed())
+			.filter((mod) => {
+				return mod.name
+					? mod.name.toLowerCase().startsWith(focused.value.toLowerCase())
 					: undefined;
 			})
-			.map((mode) => mode.name)
+			.map((mod) => mod.name)
 			.slice(0, 25);
 
 		await interaction.respond(