feat(runner): /status meldet bekannte Dev-Spezifikationen (known)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

runner/test/server.test.js

@@ -64,7 +64,7 @@ test('GET /status', async () => {
   await withServer(config, async (base) => {
     const r = await fetch(`${base}/status`, { headers: auth });
     assert.equal(r.status, 200);
-    assert.deepEqual(await r.json(), { dev: [], queue: 0, memAvailable: 123 });
+    assert.deepEqual(await r.json(), { dev: [], known: [], queue: 0, memAvailable: 123 });
   });
 });