refactor(channels): share reset message construction across adapters

src/channels/discord/adapter.ts

@@ -17,7 +17,7 @@ import type {
   ChannelAdapter,
   ChannelStatus,
 } from '../types.js';
-import { normalizeResetCommandText, splitMessage } from '../utils.js';
+import { buildResetInboundMessage, normalizeResetCommandText, splitMessage } from '../utils.js';
 import type { PairingManager } from '../pairing.js';
 
 /** Configuration for the Discord channel adapter. */
@@ -242,15 +242,12 @@ export class DiscordAdapter implements ChannelAdapter {
 
     // ── Reset command ──
     if (text === '!reset') {
-      this.messageHandler({
+      this.messageHandler(buildResetInboundMessage({
         id: message.id,
         channel: 'discord',
         senderId: message.channelId,
         senderName: message.author.username,
-        text: '!reset',
-        timestamp: Date.now(),
-        metadata: { isCommand: true, command: 'reset' },
-      });
+      }));
       return;
     }