feat: add masquerade to messages

src/routes/channels.ts

@@ -169,6 +169,7 @@ resource('/channels/:channel/messages', {
             ...channelParams,
             ...await body("Message to be sent.", schema`
                 import type { Id, AutumnId } from './_common';
+                import type { Masquerade } from './Channels';
 
                 interface ${'SendMessage'} {
                     /**
@@ -197,6 +198,8 @@ resource('/channels/:channel/messages', {
                          */
                         mention: boolean;
                     }[]
+
+                    masquerade?: Masquerade;
                 }
             `),
             ...await success(

types/Channels.ts

@@ -148,6 +148,22 @@ export type VoiceChannel = ServerChannel & {
 
 export type Channel = (SavedMessagesChannel | DirectMessageChannel | GroupChannel | TextChannel | VoiceChannel)
 
+/**
+ * Masquerade displayed for a message.
+ * Replaces user's name and avatar.
+ */
+export type Masquerade = {
+    /**
+     * Nickname to display
+     */
+    name: string
+
+    /**
+     * Avatar URL
+     */
+    avatar: string
+}
+
 export type Message = {
     /**
      * Message Id
@@ -195,6 +211,8 @@ export type Message = {
      * Array of message IDs replied to
      */
     replies?: Id[]
+
+    masqurade?: Masquerade
 }
 
 export type SystemMessage =