add help page for macros

public/script.js

@@ -346,6 +346,7 @@ const system_message_types = {
     SLASH_COMMANDS: "slash_commands",
     FORMATTING: "formatting",
     HOTKEYS: "hotkeys",
+    MACROS: "macros",
 };
 
 const extension_prompt_types = {
@@ -366,6 +367,7 @@ const system_messages = {
             <li><a href="javascript:displayHelp('1')">Slash Commands</a> (or <tt>/help slash</tt>)</li>
             <li><a href="javascript:displayHelp('2')">Formatting</a> (or <tt>/help format</tt>)</li>
             <li><a href="javascript:displayHelp('3')">Hotkeys</a> (or <tt>/help hotkeys</tt>)</li>
+            <li><a href="javascript:displayHelp('4')">{{Macros}}</a> (or <tt>/help macros</tt>)</li>
             </ul>
             <br><b>Still got questions left? The <a target="_blank" href="https://docs.sillytavern.app/">Official SillyTavern Documentation Website</a> has much more information!</b>`
         ]
@@ -420,6 +422,23 @@ const system_messages = {
             </ul>`
         ]
     },
+    macros: {
+        name: systemUserName,
+        force_avatar: system_avatar,
+        is_user: false,
+        is_system: true,
+        is_name: true,
+        mes: [
+            `System-wide Replacement Macros:
+            <ul>
+            <li><tt>{​{user}​}</tt> - your current Persona username</li>
+            <li><tt>{​{char}​}</tt> - the Character's name</li>
+            <li><tt>{​{time}​}</tt> - the current time</li>
+            <li><tt>{​{date}​}</tt> - the current date</li>
+            <li><tt>{{random:(args)}}</tt> - returns a random item from the list. (ex: {{random:1,2,3,4}} will return 1 of the 4 numbers at random. Works with text lists too.</li>
+            </ul>`
+        ]
+    },
     welcome:
     {
         name: systemUserName,

public/scripts/slash-commands.js

@@ -343,6 +343,10 @@ function helpCommandCallback(_, type) {
         case '3':
             sendSystemMessage(system_message_types.HOTKEYS);
             break;
+        case 'macros':
+        case '4':
+            sendSystemMessage(system_message_types.MACROS);
+            break;
         default:
             sendSystemMessage(system_message_types.HELP);
             break;