shifting node-3 clock +300s (NTP disabled for the duration)
  node-3 now reports: Wed Apr 22 01:36:16 UTC 2026
alice writes on node-1 (normal clock); waiting for quorum fanout to skewed node-3
settle 15s for skewed-peer convergence
reverting node-3 clock
Traceback (most recent call last):
  File "/home/runner/work/ai-memory-ai2ai-gate/ai-memory-ai2ai-gate/scripts/scenarios/25_clock_skew.py", line 83, in <module>
    main()
  File "/home/runner/work/ai-memory-ai2ai-gate/ai-memory-ai2ai-gate/scripts/scenarios/25_clock_skew.py", line 46, in main
    seen_n3 = h.count_matching(h.node3_ip, ns, content_contains=marker, limit=20)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/ai-memory-ai2ai-gate/ai-memory-ai2ai-gate/scripts/a2a_harness.py", line 209, in count_matching
    rc, resp = self.list_memories(node_ip, namespace, limit=limit)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/ai-memory-ai2ai-gate/ai-memory-ai2ai-gate/scripts/a2a_harness.py", line 186, in list_memories
    return self.http_on(node_ip, "GET", f"/api/v1/memories?{q}")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/ai-memory-ai2ai-gate/ai-memory-ai2ai-gate/scripts/a2a_harness.py", line 136, in http_on
    result = self.ssh_exec(node_ip, remote_cmd, timeout=timeout)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/ai-memory-ai2ai-gate/ai-memory-ai2ai-gate/scripts/a2a_harness.py", line 78, in ssh_exec
    return subprocess.run(
           ^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/subprocess.py", line 550, in run
    stdout, stderr = process.communicate(input, timeout=timeout)
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/subprocess.py", line 1209, in communicate
    stdout, stderr = self._communicate(input, endtime, timeout)
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/subprocess.py", line 2116, in _communicate
    self._check_timeout(endtime, orig_timeout, stdout, stderr)
  File "/usr/lib/python3.12/subprocess.py", line 1253, in _check_timeout
    raise TimeoutExpired(
subprocess.TimeoutExpired: Command '['ssh', '-o', 'StrictHostKeyChecking=no', '-o', 'ConnectTimeout=10', '-o', 'ServerAliveInterval=5', 'root@167.99.59.68', "curl -sS -X GET 'http://127.0.0.1:9077/api/v1/memories?namespace=scenario25-clock&limit=20' -H 'Content-Type: application/json'"]' timed out after 30 seconds