feat: slot select command

src/commands/index.ts

@@ -6,5 +6,6 @@ export * from './format'
 export * from './notify'
 export * from './record'
 export * from './slotInfo'
+export * from './slotSelect'
 export * from './stop'
 export * from './transportInfo'

src/commands/slotSelect.ts

@@ -0,0 +1,19 @@
+import { AbstractCommandNoResponse } from './abstractCommand'
+import { NamedMessage } from '../message'
+
+export class SlotSelectCommand extends AbstractCommandNoResponse {
+	slotId?: string
+
+	serialize () {
+		const res: NamedMessage = {
+			name: 'slot select',
+			params: {}
+		}
+
+		if (this.slotId) {
+			res.params['slot id'] = this.slotId
+		}
+
+		return res
+	}
+}