feat(create): warn on --no-onboard for post-discovered-id agents (Issue #68)

tests/data/skill_code_blocks.json

@@ -633,7 +633,7 @@
     "other"
    ],
    "passthrough": {
-    "4": "multi-agent-mux-create/scripts/create_session.sh:550"
+    "4": "multi-agent-mux-create/scripts/create_session.sh:554"
    }
   }
  },

tests/test_issue68_onboard_default.py

@@ -23,6 +23,7 @@ if str(SKILLS) not in sys.path:
 
 from lib_py.agents.base import POST_DISCOVERED  # noqa: E402
 from lib_py.agents.registry import get_adapter  # noqa: E402
+from test_issue63_same_cwd_ids import _mock_herdr_agent, _read_rows, _row, _write_rows  # noqa: E402
 
 ALL_AGENTS = ("claude", "agy", "hermes", "grok", "opencode", "codex")
 EXPECTED_POST_DISCOVERED = {
@@ -33,6 +34,15 @@ EXPECTED_POST_DISCOVERED = {
     "claude": 0,
     "grok": 0,
 }
+UUID_RE = re.compile(r"[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}", re.I)
+
+
+def _norm_uuid(text: str) -> str:
+    return UUID_RE.sub("<UUID>", text)
+
+
+def _warn_lines(stderr: str) -> list[str]:
+    return [l for l in stderr.splitlines() if l.startswith("WARNING: --no-onboard:")]
 
 
 @pytest.mark.parametrize("agent", ALL_AGENTS)
@@ -50,3 +60,123 @@ def test_facts_expose_post_discovered(agent):
     adapter = get_adapter(agent)
     assert val == (1 if adapter.id_lifecycle == POST_DISCOVERED else 0)
     assert val == EXPECTED_POST_DISCOVERED[agent]
+
+
+@pytest.mark.parametrize("agent", ALL_AGENTS)
+def test_no_onboard_warning_dry_run(mam_sandbox, mock_herdr, mock_agents, monkeypatch, agent):
+    monkeypatch.setenv("XAI_API_KEY", "test-key")
+    ws = mam_sandbox / f"ws-dry-{agent}"
+    ws.mkdir(parents=True, exist_ok=True)
+    create_sh = mam_sandbox / ".agents" / "skills" / "multi-agent-mux-create" / "scripts" / "create_session.sh"
+
+    res = subprocess.run(
+        ["bash", str(create_sh), "--dry-run", "--no-onboard", "--workspace", str(ws),
+         "--agent", agent, "--role", "creator", "--session", f"t68-{agent}"],
+        capture_output=True, text=True, cwd=str(mam_sandbox), timeout=60,
+    )
+    assert res.returncode == 0, res.stdout + res.stderr
+    warns = _warn_lines(res.stderr)
+    assert len(warns) == EXPECTED_POST_DISCOVERED[agent], res.stderr
+    if warns:
+        assert "Issue #63" in warns[0] and agent in warns[0]
+
+    # Control: --dry-run with default onboarding emits 0 warning lines for all agents
+    ctl_res = subprocess.run(
+        ["bash", str(create_sh), "--dry-run", "--workspace", str(ws),
+         "--agent", agent, "--role", "creator", "--session", f"t68-ctl-{agent}"],
+        capture_output=True, text=True, cwd=str(mam_sandbox), timeout=60,
+    )
+    assert ctl_res.returncode == 0, ctl_res.stdout + ctl_res.stderr
+    assert _warn_lines(ctl_res.stderr) == [], ctl_res.stderr
+
+
+@pytest.mark.parametrize("agent", ALL_AGENTS)
+def test_no_onboard_warning_keeps_exit_and_row(mam_sandbox, mock_herdr, mock_agents, monkeypatch, agent):
+    monkeypatch.setenv("XAI_API_KEY", "test-key")
+    ws = mam_sandbox / f"ws-real-{agent}"
+    ws.mkdir(parents=True, exist_ok=True)
+    session_name = f"t68-{agent}"
+    create_sh = mam_sandbox / ".agents" / "skills" / "multi-agent-mux-create" / "scripts" / "create_session.sh"
+    lib_sh = mam_sandbox / ".agents" / "skills" / "lib.sh"
+    ws_slug = subprocess.run(
+        ["bash", "-c", f'source "{lib_sh}" && derive_workspace_slug "{ws}"'],
+        capture_output=True, text=True, check=True, cwd=str(mam_sandbox),
+    ).stdout.strip()
+
+    res = subprocess.run(
+        ["bash", str(create_sh), "--no-onboard", "--workspace", str(ws),
+         "--agent", agent, "--role", "creator", "--session", session_name],
+        capture_output=True, text=True, cwd=str(mam_sandbox), timeout=120,
+    )
+    # 1. Exit code
+    assert res.returncode == 0, res.stdout + res.stderr
+
+    # 2. Stable row fields (checked BEFORE warning assertion so base b9c828f fails only at step 3)
+    rows = _read_rows(mam_sandbox)
+    assert session_name in rows
+    row = rows[session_name]
+    pre_assigned = agent in ("claude", "grok")
+    expected_cmd_full = _norm_uuid(
+        get_adapter(agent).spawn_spec(
+            str(mock_agents / agent),
+            "00000000-0000-0000-0000-000000000000" if pre_assigned else "",
+        )
+    )
+    expected_source = "assigned" if pre_assigned else ("pending-discovery" if agent in ("opencode", "codex") else None)
+    expected_verified = False if agent in ("claude", "grok", "opencode", "codex") else None
+    expected_vis = "assigned (awaiting first message)" if pre_assigned else "unverified"
+    expected_cp = {
+        "workspace_root": os.path.realpath(mam_sandbox),
+        "agent_sessions_yaml": os.path.realpath(mam_sandbox / ".mam" / "agent-sessions.yaml"),
+        "mam_jobs_dir": os.path.realpath(mam_sandbox / ".mam" / "jobs"),
+        "delegate_job_logs_dir": os.path.realpath(mam_sandbox / ".mam" / "delegate_job_logs"),
+    }
+
+    assert row["name"] == session_name
+    assert row["status"] == "running"
+    assert row["role"] == "creator"
+    assert row["delegate_job_id"] is None
+    assert row["herdr_server"] == ws_slug
+    assert row["herdr_workspace"] == ws_slug.removeprefix("mam-")
+    assert row["pane"]["cmd"] == agent
+    assert _norm_uuid(row["pane"]["cmd_full"]) == expected_cmd_full
+    assert os.path.realpath(row["pane"]["cwd"]) == os.path.realpath(ws)
+    assert row.get("session_id_source") == expected_source
+    assert row.get("session_id_verified") == expected_verified
+    assert row["last_visible_status"] == expected_vis
+    assert row["control_plane"] == expected_cp
+
+    # 3. Warning line count
+    warns = _warn_lines(res.stderr)
+    assert len(warns) == EXPECTED_POST_DISCOVERED[agent], res.stderr
+    if warns:
+        assert "Issue #63" in warns[0] and agent in warns[0]
+
+
+def test_no_onboard_warning_precedes_a_later_refusal(mam_sandbox, mock_herdr, mock_agents):
+    ws = mam_sandbox / "c68-ws"
+    ws.mkdir(parents=True, exist_ok=True)
+    epoch_a = int(time.time()) - 100
+    name_a, name_b = "c68-ws-creator-agy", "c68-ws-reviewer-agy"
+    create_sh = mam_sandbox / ".agents" / "skills" / "multi-agent-mux-create" / "scripts" / "create_session.sh"
+
+    holder = subprocess.Popen(["sleep", "120"])
+    try:
+        _write_rows(mam_sandbox, [_row(name_a, "agy", ws, epoch_a, pid=holder.pid)])
+        _mock_herdr_agent(mock_herdr, name_a, ws, holder.pid, epoch_a, pane_id="w1:p_a")
+
+        env0 = dict(os.environ, MAM_ID_ORDER_WAIT_S="0")
+        res = subprocess.run(
+            ["bash", str(create_sh), "--workspace", str(ws), "--agent", "agy",
+             "--role", "reviewer", "--session", name_b, "--no-onboard"],
+            capture_output=True, text=True, cwd=str(mam_sandbox), env=env0, timeout=120,
+        )
+        assert res.returncode == 1, res.stdout + res.stderr
+        warns = _warn_lines(res.stderr)
+        assert len(warns) == 1, res.stderr
+        assert "Issue #63" in warns[0]
+        assert name_a in res.stderr
+        assert res.stderr.index("WARNING: --no-onboard:") < res.stderr.index(name_a), res.stderr
+    finally:
+        holder.kill()
+        holder.wait()