Index: test/object-links.test.js
===================================================================
--- test/object-links.test.js	(revision eb36688598f8d808a62a4fd9336d9bbdf02cbf9f)
+++ test/object-links.test.js	(revision eb36688598f8d808a62a4fd9336d9bbdf02cbf9f)
@@ -0,0 +1,32 @@
+// FEP-e232: Klonkt keeps inbound object-link (quote/ref) tags and serves them on the C2S inbox read.
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+process.env.DATABASE_PATH = ':memory:';
+process.env.PUBLIC_BASE_URL = 'https://test.example';
+const dbMod = await import('../src/config/database.js');
+dbMod.initializeDatabase();
+const { extractObjectLinkTags, timelineObjectLinks } = await import('../src/services/ActivityPubService.js');
+const AP = { extractObjectLinkTags, timelineObjectLinks };
+
+test('extractObjectLinkTags keeps AS2-profiled ld+json and activity+json Links; drops plain links and mentions', () => {
+  const tag = [
+    { type: 'Link', mediaType: 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"', href: 'https://s/objects/1', name: '#1374' },
+    { type: 'Link', mediaType: 'application/activity+json', href: 'https://s/objects/2', rel: ['https://misskey-hub.net/ns#_misskey_quote'] },
+    { type: 'Link', mediaType: 'text/html', href: 'https://plain.example/page' },  // plain hyperlink → dropped
+    { type: 'Mention', href: 'https://s/u/x' },
+  ];
+  const json = AP.extractObjectLinkTags(tag);
+  assert.ok(json);
+  const back = AP.timelineObjectLinks(json);
+  assert.equal(back.length, 2);
+  assert.equal(back[0].href, 'https://s/objects/1');
+  assert.equal(back[0].name, '#1374');
+  assert.equal(back[1].mediaType, 'application/activity+json');
+});
+
+test('no object links → null / undefined (nothing served)', () => {
+  assert.equal(AP.extractObjectLinkTags([{ type: 'Link', mediaType: 'text/html', href: 'https://x' }]), null);
+  assert.equal(AP.extractObjectLinkTags([{ type: 'Hashtag', name: '#hi' }]), null);
+  assert.equal(AP.timelineObjectLinks(null), undefined);
+  assert.equal(AP.timelineObjectLinks('not json'), undefined);
+});