fix(node): clarify wireless enrollment and restore active K1 after upgrade

tests/test_node_k1_bridge.py

@@ -165,6 +165,8 @@ def test_node_scan_real_service_preserves_operation_identity_and_replay(
             "action": "scan", "parameters": {},
         }
         result = await device.deliver(command)
+        if not radio_failure:
+            assert scanner.capture_discovered_device("AA:BB:CC:DD:EE:FF") is not None
         repeated = await device.deliver(command)
         assert len(calls) == 1
         assert result["discovery_generation"] == 1
@@ -307,6 +309,21 @@ def test_networkmanager_ssids_are_not_split_at_escaped_colons():
     assert nm_fields(r"field\:network\\name:88:WPA2") == ["field:network\\name", "88", "WPA2"]
 
 
+def test_wired_board_bridge_does_not_require_host_wifi_association(tmp_path, monkeypatch):
+    from k1link.device_plugins.xgrids_k1 import linux_host
+
+    (tmp_path / "enp1s0").mkdir()
+
+    def forbidden(*_args, **_kwargs):
+        raise AssertionError("Ethernet must not request Wi-Fi association")
+
+    monkeypatch.setattr(linux_host, "_run", forbidden)
+    value = linux_host.LinuxWifiAssociationProbe(tmp_path).observe(interface_name="enp1s0")
+    assert value["association_state"] == "not-wifi"
+    assert value["continuity_proven"] is True
+    assert value["reason_code"] is None
+
+
 def test_linux_kernel_route_is_matched_route_not_resolved_host(monkeypatch):
     from k1link.device_plugins.xgrids_k1 import linux_host
     from k1link.device_plugins.xgrids_k1.facade import _classify_host_route

tests/test_node_k1_package_lifecycle.py

@@ -0,0 +1,56 @@
+"""Execute the real maintainer scripts with isolated OS paths and commands."""
+
+import os
+import subprocess
+from pathlib import Path
+
+import pytest
+
+PACKAGING = Path(__file__).resolve().parents[1] / "apps/node-agent/packaging"
+
+
+@pytest.mark.parametrize("active,configured", [(True, True), (False, True), (True, False)])
+def test_node_update_restores_only_previously_running_configured_plugin(
+    tmp_path, active, configured,
+):
+    binary = tmp_path / "bin"
+    binary.mkdir()
+    run = tmp_path / "run"
+    (run / "systemd/system").mkdir(parents=True)
+    release = tmp_path / "os-release"
+    release.write_text("ID=ubuntu\nVERSION_ID=24.04\n")
+    state = tmp_path / "active"
+    if active:
+        state.touch()
+    events = tmp_path / "events"
+    systemctl = binary / "systemctl"
+    systemctl.write_text('''#!/bin/sh
+printf '%s\\n' "$*" >> "$TEST_EVENTS"
+case "$1" in
+ is-active) [ -f "$TEST_ACTIVE" ]; exit $? ;;
+ show) echo inactive ;;
+ stop) rm -f "$TEST_ACTIVE" ;;
+ start) touch "$TEST_ACTIVE" ;;
+esac
+''')
+    (binary / "getent").write_text("#!/bin/sh\nexit 0\n")
+    (binary / "dpkg-query").write_text(
+        "#!/bin/sh\necho 'install ok " + ("installed" if configured else "unpacked") + "'\n"
+    )
+    for file in binary.iterdir():
+        file.chmod(0o700)
+    env = dict(os.environ, PATH=str(binary) + os.pathsep + os.environ["PATH"],
+               TEST_EVENTS=str(events), TEST_ACTIVE=str(state))
+    for name, args in [("preinst", ["upgrade", "0.8.2"]), ("postinst", ["configure", "0.8.2"])]:
+        script = tmp_path / name
+        script.write_text((PACKAGING / name).read_text()
+                          .replace("/run/", str(run) + "/")
+                          .replace("/etc/os-release", str(release)))
+        subprocess.run(["/bin/sh", str(script), *args], env=env, check=True,
+                       capture_output=True, text=True)
+        if name == "preinst":
+            assert not state.exists()
+    calls = events.read_text().splitlines()
+    assert ("start mission-core-k1.service" in calls) is (active and configured)
+    assert state.exists() is (active and configured)
+    assert not (run / "mission-core-node-k1-upgrade-active").exists()