fix(k1): stabilize repeated acquisition and live viewer recovery

tests/test_wifi_provisioning.py

@@ -128,3 +128,60 @@ def test_read_wifi_status_once_reads_only_and_returns_current_dhcp_address(
     assert result["operation"] == "single_reviewed_wifi_status_read"
     assert result["write_performed"] is False
     assert result["status"]["ipv4"] == "10.255.254.77"
+
+
+def test_read_wifi_status_recovery_rediscover_ignores_retained_handle(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    value = bytearray(54)
+    value[0] = 11
+    value[1:12] = b"WIFI_CLIENT"
+    value[33] = 4
+    value[34:38] = bytes((10, 255, 254, 77))
+    value[50] = 1
+    stale_handle = object()
+    recovered_handle = object()
+    characteristic = SimpleNamespace(
+        uuid=wifi_module.STATUS_CHARACTERISTIC_UUID,
+        service_uuid=wifi_module.SERVICE_UUID,
+        properties=["read"],
+    )
+    service = SimpleNamespace(uuid=wifi_module.SERVICE_UUID)
+
+    class FakeServices:
+        def get_service(self, uuid: str) -> object | None:
+            return service if uuid == wifi_module.SERVICE_UUID else None
+
+        def get_characteristic(self, uuid: str) -> object | None:
+            return characteristic if uuid == wifi_module.STATUS_CHARACTERISTIC_UUID else None
+
+    class FakeClient:
+        def __init__(self, device: object, **_kwargs: object) -> None:
+            assert device is recovered_handle
+            self.services = FakeServices()
+            self.name = "XGR-K1"
+
+        async def __aenter__(self) -> Any:
+            return self
+
+        async def __aexit__(self, *_args: object) -> None:
+            return None
+
+        async def read_gatt_char(self, _characteristic: object) -> bytes:
+            return bytes(value)
+
+    async def rediscover(*_args: object, **_kwargs: object) -> object:
+        return recovered_handle
+
+    monkeypatch.setattr(wifi_module, "discovered_device", lambda _uuid: stale_handle)
+    monkeypatch.setattr(wifi_module.BleakScanner, "find_device_by_address", rediscover)
+    monkeypatch.setattr(wifi_module, "BleakClient", FakeClient)
+
+    result = asyncio.run(
+        read_wifi_status_once(
+            "synthetic-corebluetooth-uuid",
+            rediscover=True,
+        )
+    )
+
+    assert result["status"]["ipv4"] == "10.255.254.77"