Add server chat slash commands for me and uptime

client/public/help.json

@@ -40,6 +40,10 @@
           "keys": "Slash",
           "description": "Start chat"
         },
+        {
+          "keys": "Slash commands",
+          "description": "In chat, use /me <action> for action text or /up for server uptime"
+        },
         {
           "keys": "Comma / Period",
           "description": "Previous/next message"

client/public/version.js

@@ -1,5 +1,5 @@
 // Maintainer-controlled web client version.
 // Format: YYYY.MM.DD Rn (example: 2026.02.20 R2)
-window.CHGRID_WEB_VERSION = "2026.02.27 R292";
+window.CHGRID_WEB_VERSION = "2026.02.27 R293";
 // Optional display timezone for timestamps. Falls back to America/Detroit if unset/invalid.
 window.CHGRID_TIME_ZONE = "America/Detroit";

client/src/main.ts

@@ -238,6 +238,7 @@ const SYSTEM_SOUND_URLS = {
   logout: withBase('sounds/logout.ogg'),
   notify: withBase('sounds/notify.ogg'),
 } as const;
+const ACTION_SOUND_URL = SYSTEM_SOUND_URLS.notify;
 const FOOTSTEP_SOUND_URLS = Array.from({ length: 11 }, (_, index) => withBase(`sounds/step-${index + 1}.ogg`));
 const FOOTSTEP_GAIN = 0.7;
 const TELEPORT_START_SOUND_URL = withBase('sounds/teleport_start.ogg');
@@ -1820,6 +1821,7 @@ const onAppMessage = createOnMessageHandler({
   getAudioLayers: () => audioLayers,
   pushChatMessage,
   classifySystemMessageSound,
+  ACTION_SOUND_URL,
   SYSTEM_SOUND_URLS,
   playSample: (url, gain = 1) => {
     void audio.playSample(url, gain);

client/src/network/messageHandlers.ts

@@ -54,6 +54,7 @@ type MessageHandlerDeps = {
   getAudioLayers: () => { world: boolean; item: boolean };
   pushChatMessage: (message: string) => void;
   classifySystemMessageSound: (message: string) => 'logon' | 'logout' | 'notify' | null;
+  ACTION_SOUND_URL: string;
   SYSTEM_SOUND_URLS: { logon: string; logout: string; notify: string };
   playSample: (url: string, gain?: number) => void;
   updateStatus: (message: string) => void;
@@ -225,7 +226,10 @@ export function createOnMessageHandler(deps: MessageHandlerDeps): (message: Inco
       }
 
       case 'chat_message': {
-        if (message.system) {
+        if (message.action) {
+          deps.pushChatMessage(message.message);
+          deps.playSample(deps.ACTION_SOUND_URL, 1);
+        } else if (message.system) {
           deps.pushChatMessage(message.message);
           const sound = deps.classifySystemMessageSound(message.message);
           if (sound) {

client/src/network/protocol.ts

@@ -185,6 +185,7 @@ export const chatMessageSchema = z.object({
   senderId: z.string().optional(),
   senderNickname: z.string().optional(),
   system: z.boolean().optional(),
+  action: z.boolean().optional(),
 });
 
 export const pongSchema = z.object({