refactor(channels): share reset-command normalization utility

src/channels/discord/adapter.ts

@@ -17,7 +17,7 @@ import type {
   ChannelAdapter,
   ChannelStatus,
 } from '../types.js';
-import { splitMessage } from '../utils.js';
+import { normalizeResetCommandText, splitMessage } from '../utils.js';
 import type { PairingManager } from '../pairing.js';
 
 /** Configuration for the Discord channel adapter. */
@@ -221,7 +221,8 @@ export class DiscordAdapter implements ChannelAdapter {
     } catch { /* ignore typing errors */ }
 
     // Strip bot mention from the message text
-    const text = message.content.replace(/<@!?\d+>/g, '').trim();
+    const rawText = message.content.replace(/<@!?\d+>/g, '').trim();
+    const text = normalizeResetCommandText(rawText);
 
     // ── Extract media attachments ──
     const attachments: Attachment[] = [];
@@ -240,7 +241,7 @@ export class DiscordAdapter implements ChannelAdapter {
     }
 
     // ── Reset command ──
-    if (text === '!reset' || text === 'reset') {
+    if (text === '!reset') {
       this.messageHandler({
         id: message.id,
         channel: 'discord',

src/channels/slack/adapter.ts

@@ -15,7 +15,7 @@ import type {
   ChannelAdapter,
   ChannelStatus,
 } from '../types.js';
-import { splitMessage } from '../utils.js';
+import { normalizeResetCommandText, splitMessage } from '../utils.js';
 import type { PairingManager } from '../pairing.js';
 
 /** Configuration for the Slack channel adapter. */
@@ -344,7 +344,8 @@ export class SlackAdapter implements ChannelAdapter {
     const peerId = `${channelId}:${threadTs}`;
 
     // Strip bot mentions: <@U\w+> pattern
-    let text = (message.text ?? '').replace(/<@U\w+>/g, '').trim();
+    const rawText = (message.text ?? '').replace(/<@U\w+>/g, '').trim();
+    const text = normalizeResetCommandText(rawText);
 
     // Resolve display name from Slack user ID
     const senderName = message.user
@@ -355,7 +356,7 @@ export class SlackAdapter implements ChannelAdapter {
     const attachments = await this.extractMediaAttachments(message.files);
 
     // Detect reset command
-    if (text === '!reset' || text === 'reset') {
+    if (text === '!reset') {
       this.messageHandler({
         id: message.ts ?? '',
         channel: 'slack',

src/channels/utils.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect } from 'vitest';
-import { splitMessage } from './utils.js';
+import { normalizeResetCommandText, splitMessage } from './utils.js';
 
 describe('splitMessage', () => {
   it('returns single chunk for empty string', () => {
@@ -84,3 +84,17 @@ describe('splitMessage', () => {
     expect(result[1]).toBe('klmnopqrst');
   });
 });
+
+describe('normalizeResetCommandText', () => {
+  it('normalizes reset to !reset', () => {
+    expect(normalizeResetCommandText('reset')).toBe('!reset');
+  });
+
+  it('keeps !reset unchanged', () => {
+    expect(normalizeResetCommandText('!reset')).toBe('!reset');
+  });
+
+  it('does not change non-command text', () => {
+    expect(normalizeResetCommandText('hello')).toBe('hello');
+  });
+});

src/channels/utils.ts

@@ -31,3 +31,14 @@ export function splitMessage(text: string, maxLength: number): string[] {
 
   return chunks;
 }
+
+/**
+ * Normalize reset command variants to a canonical text form.
+ * Returns '!reset' for recognized variants, otherwise returns the original text.
+ */
+export function normalizeResetCommandText(text: string): string {
+  if (text === '!reset' || text === 'reset') {
+    return '!reset';
+  }
+  return text;
+}

src/channels/whatsapp/adapter.ts

@@ -17,7 +17,7 @@ import type {
   ChannelAdapter,
   ChannelStatus,
 } from '../types.js';
-import { splitMessage } from '../utils.js';
+import { normalizeResetCommandText, splitMessage } from '../utils.js';
 import type { PairingManager } from '../pairing.js';
 
 /** Configuration for the WhatsApp channel adapter. */
@@ -309,8 +309,10 @@ export class WhatsAppAdapter implements ChannelAdapter {
       }
     }
 
+    text = normalizeResetCommandText(text);
+
     // Detect reset command
-    if (text === '!reset' || text === 'reset') {
+    if (text === '!reset') {
       this.messageHandler({
         id: message.id.id,
         channel: 'whatsapp',