Add /instruct-state command

public/script.js

@@ -9257,6 +9257,27 @@ jQuery(async function () {
         callback: disableInstructCallback,
         helpString: 'Disables instruct mode',
     }));
+    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
+        name: 'instruct-state',
+        aliases: ['instruct-toggle'],
+        helpString: 'Gets the current instruct mode state. If an argument is provided, it will set the instruct mode state.',
+        unnamedArgumentList: [
+            SlashCommandArgument.fromProps({
+                description: 'instruct mode state',
+                typeList: [ARGUMENT_TYPE.BOOLEAN],
+                enumList: commonEnumProviders.boolean('trueFalse')(),
+            }),
+        ],
+        callback: async (_args, state) => {
+            if (!state || typeof state !== 'string') {
+                return String(power_user.instruct.enabled);
+            }
+
+            const newState = isTrueBoolean(state);
+            newState ? enableInstructCallback() : disableInstructCallback();
+            return String(power_user.instruct.enabled);
+        },
+    }));
     SlashCommandParser.addCommandObject(SlashCommand.fromProps({
         name: 'context',
         callback: selectContextCallback,