Show WA nicknames and auto-fill group subjects in access UI (4.9.1-ops.9).

Fetch groupMetadata.subject on @mentions for group cards; render contact pushName under phone rows so admins are not staring at bare numbers.

Co-authored-by: Cursor <cursoragent@cursor.com>

test/channels/whatsapp/group-subject.test.mjs

@@ -0,0 +1,21 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { resolveWhatsappGroupSubject } from '../../../src/channels/whatsapp/whatsapp-identity.mjs';
+
+test('resolveWhatsappGroupSubject reads Baileys groupMetadata.subject', async () => {
+  const subject = await resolveWhatsappGroupSubject({
+    groupMetadata: async (jid) => {
+      assert.equal(jid, '120363429229984366@g.us');
+      return { subject: '  运维值班群  ' };
+    },
+  }, '120363429229984366@g.us');
+  assert.equal(subject, '运维值班群');
+});
+
+test('resolveWhatsappGroupSubject fails soft without socket metadata', async () => {
+  assert.equal(await resolveWhatsappGroupSubject(null, '120363429229984366@g.us'), '');
+  assert.equal(await resolveWhatsappGroupSubject({
+    groupMetadata: async () => { throw new Error('offline'); },
+  }, '120363429229984366@g.us'), '');
+});