refactor(channels): share reset message construction across adapters

src/channels/slack/adapter.ts

@@ -15,7 +15,7 @@ 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 Slack channel adapter. */
@@ -357,16 +357,13 @@ export class SlackAdapter implements ChannelAdapter {
 
     // Detect reset command
     if (text === '!reset') {
-      this.messageHandler({
+      this.messageHandler(buildResetInboundMessage({
         id: message.ts ?? '',
         channel: 'slack',
         senderId: peerId,
         senderName,
-        text: '!reset',
-        timestamp: Date.now(),
-        metadata: { isCommand: true, command: 'reset' },
-        ...(attachments.length > 0 && { attachments }),
-      });
+        attachments,
+      }));
       return;
     }