diff --git a/tests/conftest.py b/tests/conftest.py
index de9b260..e995a59 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -36,3 +36,8 @@ def dishwasher_resources() -> dict[str, dict]:
 @pytest.fixture
 def fridge_resources() -> dict[str, dict]:
     return _load_device('refrigerator')
+
+
+@pytest.fixture
+def washer_resources() -> dict[str, dict]:
+    return _load_device('washer')
diff --git a/tests/fixtures/golden/washer.json b/tests/fixtures/golden/washer.json
new file mode 100644
index 0000000..bf80007
--- /dev/null
+++ b/tests/fixtures/golden/washer.json
@@ -0,0 +1,25 @@
+{
+  "state_keys": [
+    "alarm_code",
+    "buzzer_sound",
+    "child_lock",
+    "cycle",
+    "cycle_active",
+    "delay_start_hours",
+    "diagnosis_status",
+    "energy_kwh",
+    "finish_time",
+    "firmware_update",
+    "job_beginning_status",
+    "machine_state",
+    "power_switch",
+    "power_watts",
+    "progress",
+    "progress_percentage",
+    "remote_control",
+    "rinse_cycles",
+    "spin_speed",
+    "wash_temperature",
+    "water_liters"
+  ]
+}
diff --git a/tests/fixtures/washer_device.json b/tests/fixtures/washer_device.json
new file mode 100644
index 0000000..2f2eece
--- /dev/null
+++ b/tests/fixtures/washer_device.json
@@ -0,0 +1,473 @@
+{
+  "device0": [
+    {
+      "rt": [
+        "x.com.samsung.devcol",
+        "oic.wk.col"
+      ],
+      "if": [
+        "oic.if.baseline",
+        "oic.if.ll",
+        "oic.if.b"
+      ]
+    },
+    {
+      "href": "/realtimenotiforclient/vs/0",
+      "rep": {
+        "x.com.samsung.da.timeforshortnoti": "0",
+        "x.com.samsung.da.periodicnotisubscription": "true"
+      }
+    },
+    {
+      "href": "/alarms/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/diagnosis/vs/0",
+      "rep": {
+        "x.com.samsung.da.diagnosisStart": "Ready"
+      }
+    },
+    {
+      "href": "/energy/consumption/vs/0",
+      "rep": {
+        "x.com.samsung.da.instantaneousPower": "-500",
+        "x.com.samsung.da.instantaneousPowerUnit": "W",
+        "x.com.samsung.da.cumulativePower": "18800",
+        "x.com.samsung.da.cumulativeUnit": "Wh",
+        "x.com.samsung.da.cumulativeDate": "1783774800",
+        "x.com.samsung.da.cumulativeDateUTC": "1783767600",
+        "x.com.samsung.da.cumulativeSavedPower": "0"
+      }
+    },
+    {
+      "href": "/energy/consumption/0",
+      "rep": {}
+    },
+    {
+      "href": "/course/vs/0",
+      "rep": {
+        "x.com.samsung.da.supportedModes": [
+          "HOMECARE_WIZARD_V2"
+        ],
+        "x.com.samsung.da.options": [
+          "DeviceType_0167",
+          "UpdateAllow_NotAllowed",
+          "Course_1C",
+          "AiOption_On",
+          "LaundryOutTime_0",
+          "SteamWash_Disable",
+          "SeamlessControl_Disable",
+          "KidsLockBypass_On",
+          "WashingTimes_3",
+          "DrumCleanProposal_40",
+          "DetergentOnce_1",
+          "DetergentLeft_0",
+          "DetergentBase_5",
+          "DetergentAlarm_Off",
+          "DetergentType_2",
+          "DetergentTotal_0",
+          "SoftenerOnce_0",
+          "SoftenerLeft_0",
+          "SoftenerBase_0",
+          "SoftenerAlarm_Off",
+          "SoftenerType_0",
+          "SoftenerTotal_0",
+          "SpecialFunction_4",
+          "AvailableDelayTime_163",
+          "BubbleSoak_Off",
+          "LaundryPlannerUserSetTime_0",
+          "ProgressTimeSet_4201048201A4A200D4",
+          "SendToDevice_Off",
+          "GMT_04",
+          "PreWashSetting_Off",
+          "IntensiveSetting_Off",
+          "BubbleSoakSet_00F000F00000F000F0F0F0F00000F000F0F0F0F0000000",
+          "EnergyLevelSet_050304010402010402040402050302020202050303050101",
+          "MostUsed_1C8410923FA67F00000000000000",
+          "TextureLevel_None",
+          "SavingModeCondition_010102151B1D1C1E8F202122232425261C2D30323396662E2F030149035E2830",
+          "SavingMode_Off",
+          "DetergentUserSet_0000",
+          "SoftenerUserSet_0000",
+          "DetergentSetting_01",
+          "DetergentSettingList_01",
+          "SoftenerCustomSetting_01",
+          "SoftenerCustomSettingList_0102",
+          "DetergentDefaultCourseList_030422232F2604012E",
+          "LaundryManageFinish_Off",
+          "UserLocation_Indoor",
+          "GeoFenceAlarm",
+          "UsagesDB_ok",
+          "EnergyKW_396",
+          "DrumCleanLog_2026-07-01T20:18:07",
+          "TimeSync_NotSupported"
+        ],
+        "x.com.samsung.da.supportedOptions": [
+          "31C8410923FA67F1B847E923FA67F1E811E933FA33F1D841E923FA67F96841E920FA37F8F8102923FA57F25843E933FA57F26831E920FA20733857E933FA67F24841E930FA30F32833E923FA37F20857E943FA67F22841E920FA30F23831E930FA57F2F831E933FA30F21841E943FA57F66831E933FA30F2E867E943FA67F2D841E923FA30F30843E923FA67F2985209204A520278000913FA67F2880009000A67E"
+        ]
+      }
+    },
+    {
+      "href": "/power/vs/0",
+      "rep": {
+        "x.com.samsung.da.power": "On"
+      }
+    },
+    {
+      "href": "/power/0",
+      "rep": {
+        "value": true
+      }
+    },
+    {
+      "href": "/cycleinterface/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/kidslock/vs/0",
+      "rep": {
+        "x.com.samsung.da.kidsLock": "Ready"
+      }
+    },
+    {
+      "href": "/kidslock/0",
+      "rep": {
+        "value": false
+      }
+    },
+    {
+      "href": "/operational/state/vs/0",
+      "rep": {
+        "x.com.samsung.da.state": "Ready",
+        "x.com.samsung.da.remainingTime": "02:43:00",
+        "x.com.samsung.da.progressPercentage": "1",
+        "x.com.samsung.da.progress": "None",
+        "x.com.samsung.da.delayEndTime": "00:00:00",
+        "x.com.samsung.da.supportedProgress": [
+          "None",
+          "Weightsensing",
+          "Wash",
+          "Rinse",
+          "Spin",
+          "Finish"
+        ]
+      }
+    },
+    {
+      "href": "/operational/state/0",
+      "rep": {
+        "currentMachineState": "**REDACTED**",
+        "machineStates": "**REDACTED**",
+        "jobStates": [
+          "None",
+          "Weightsensing",
+          "Wash",
+          "Rinse",
+          "Spin",
+          "Finish"
+        ],
+        "currentJobState": "None",
+        "remainingTime": "02:43:00",
+        "progressPercentage": "1"
+      }
+    },
+    {
+      "href": "/information/vs/0",
+      "rep": {
+        "x.com.samsung.da.modelNum": "TEST-MODEL",
+        "x.com.samsung.da.description": "DA_WM_TP1_21_COMMON_WD7000B/DC92-03724A_004D",
+        "x.com.samsung.da.serialNum": "**REDACTED**",
+        "x.com.samsung.da.otnDUID": "**REDACTED**",
+        "x.com.samsung.da.diagProtocolType": "BLE_OCF",
+        "x.com.samsung.da.diagLogType": [
+          "errCode",
+          "dump"
+        ],
+        "x.com.samsung.da.diagDumpType": "file",
+        "x.com.samsung.da.diagEndPoint": "SSM",
+        "x.com.samsung.da.diagMnid": "0AJT",
+        "x.com.samsung.da.diagSetupid": "WFC",
+        "x.com.samsung.da.diagMinVersion": "3.0",
+        "x.com.samsung.da.diagTsId": "DA01",
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "DA_WM_TP1_21_COMMON|20375141|20010002001811424AA30217008A0000",
+            "x.com.samsung.da.type": "Software",
+            "x.com.samsung.da.number": "02986A260118(A182)",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.description": "Firmware_1_DB_20375141240308040FFFFF203724412507152904FFFF(01672037514120372441_30000000)(FileDown:0)(Type:0)",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.number": "03751A24030804,03724A25071529",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "2",
+            "x.com.samsung.da.description": "Firmware_2_DB_2036284224030602042FFFFFFFFFFFFFFFFFFFFFFFFE(016720362842FFFFFFFF_30000000)(FileDown:0)(Type:0)",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.number": "03628B24030602,FFFFFFFFFFFFFF"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/file/information/vs/0",
+      "rep": {
+        "x.com.samsung.timeoffset": "+02:00"
+      }
+    },
+    {
+      "href": "/washer/vs/0",
+      "rep": {
+        "x.com.samsung.da.waterTemperature": "40",
+        "x.com.samsung.da.supportedWaterTemperature": [
+          "None",
+          "Cold",
+          "20",
+          "30",
+          "40",
+          "60",
+          "90"
+        ],
+        "x.com.samsung.da.spinLevel": "1400",
+        "x.com.samsung.da.supportedSpinLevel": [
+          "RinseHold",
+          "NoSpin",
+          "400",
+          "800",
+          "1000",
+          "1200",
+          "1400"
+        ],
+        "x.com.samsung.da.rinseCycles": "2",
+        "x.com.samsung.da.supportedRinseCycles": [
+          "0",
+          "1",
+          "2",
+          "3",
+          "4",
+          "5"
+        ],
+        "x.com.samsung.da.currentAvailableTemperature": "00",
+        "x.com.samsung.da.currentAvailableRinse": "3F",
+        "x.com.samsung.da.currentAvailableSpin": "7F",
+        "x.com.samsung.da.currentAvailableSubOptions": "00000000000000000000"
+      }
+    },
+    {
+      "href": "/st/washercourse/vs/0",
+      "rep": {
+        "x.com.samsung.da.st.washerMode": "Table_02_Course_1C",
+        "x.com.samsung.da.st.courseTable": "Table_02"
+      }
+    },
+    {
+      "href": "/water/consumption/vs/0",
+      "rep": {
+        "x.com.samsung.da.cumulativeWater": "1966500"
+      }
+    },
+    {
+      "href": "/setting/vs/0",
+      "rep": {
+        "x.com.samsung.da.supportedSetLanguage": [
+          "ko_KR",
+          "en_US"
+        ],
+        "x.com.samsung.da.setLanguage": "sk_SK"
+      }
+    },
+    {
+      "href": "/wm/editcourse/vs/0",
+      "rep": {
+        "x.com.samsung.da.editCourseList": "EditCourseList_1C1D211B1E29243328262722202325322F2E30662D8F96",
+        "x.com.samsung.da.fixedCourseList": "FixedCourseList_1C29"
+      }
+    },
+    {
+      "href": "/wm/setinfo/vs/0",
+      "rep": {
+        "x.com.samsung.da.isModelSettingWithoutSC": "true",
+        "x.com.samsung.da.aiCourse": "true",
+        "x.com.samsung.da.isModelSettingPowerOnOff": "false",
+        "x.com.samsung.da.modelCode": "M(None),W(WW90DG6U25LEU4)"
+      }
+    },
+    {
+      "href": "/wm/jobbeginingstatus/vs/0",
+      "rep": {
+        "x.com.samsung.da.currentStatus": "None"
+      }
+    },
+    {
+      "href": "/wm/welcomemsg/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/wm/personalcourse/vs/0",
+      "rep": {
+        "x.com.samsung.da.courses": [
+          "F1_00",
+          "F2_00",
+          "F3_00",
+          "F4_00",
+          "F5_00",
+          "F6_00",
+          "F7_00",
+          "F8_00",
+          "F9_00",
+          "FA_00"
+        ],
+        "x.com.samsung.da.maxCourseNum": "10",
+        "x.com.samsung.da.labelScanCourse": "FB_00"
+      }
+    },
+    {
+      "href": "/otninformation/vs/0",
+      "rep": {
+        "x.com.samsung.da.target": "",
+        "x.com.samsung.da.newVersionAvailable": "false",
+        "x.com.samsung.da.newVersionNo": "00000000",
+        "x.com.samsung.da.currentVersionInfo": "00000000",
+        "otnStatus": "None",
+        "flashingProgress": "",
+        "otnTarget": "main",
+        "otnCompleteDate": "2026-03-22",
+        "otnList": [
+          {
+            "type": "WIFI",
+            "modelId": "DA_WM_TP1_21_COMMON",
+            "versions": [
+              "30260118"
+            ],
+            "visVersion": "260118"
+          },
+          {
+            "type": "Micom",
+            "modelId": "01672037514120372441",
+            "versions": [
+              "24030804",
+              "25071529"
+            ],
+            "visVersion": "250715"
+          },
+          {
+            "type": "Micom",
+            "modelId": "016720362842FFFFFFFF",
+            "versions": [
+              "24030602",
+              "FFFFFFFF"
+            ],
+            "visVersion": "240306"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/buzzersound/vs/0",
+      "rep": {
+        "supportedBuzzerSound": [
+          "Off",
+          "On"
+        ],
+        "setBuzzerSound": "On"
+      }
+    },
+    {
+      "href": "/remotectrl/vs/0",
+      "rep": {
+        "x.com.samsung.da.remoteControlEnabled": "false"
+      }
+    },
+    {
+      "href": "/remotectrl/0",
+      "rep": {
+        "value": false
+      }
+    },
+    {
+      "href": "/configuration/vs/0",
+      "rep": {
+        "x.com.samsung.da.region": "0000000000",
+        "x.com.samsung.da.countryCode": "SK"
+      }
+    },
+    {
+      "href": "/drlc/0",
+      "rep": {
+        "DRLevel": 0,
+        "start": "0000-00-00T00:00:00Z",
+        "duration": 0,
+        "override": false
+      }
+    },
+    {
+      "href": "/drlc/vs/0",
+      "rep": {
+        "x.com.samsung.da.drlcLevel": "0",
+        "x.com.samsung.da.durationminutes": "0",
+        "x.com.samsung.da.start": "0000-00-00T00:00:00Z",
+        "x.com.samsung.da.override": "Off",
+        "x.com.samsung.da.realSaving": "Off"
+      }
+    },
+    {
+      "href": "/timezone/vs/0",
+      "rep": {
+        "timezoneid": "Europe/Bratislava",
+        "offset": "+02:00",
+        "DST": "ON"
+      }
+    },
+    {
+      "href": "/connectionconfig/vs/0",
+      "rep": {
+        "autoReconnectionMinVersion": "1.0",
+        "autoReconnection": "true",
+        "autoReconnectionProtocolType": [
+          "helper_hotspot",
+          "ble_ocf"
+        ],
+        "supportedWiFiAuthType": [
+          "OPEN",
+          "WEP",
+          "WPA-PSK",
+          "WPA2-PSK",
+          "SAE"
+        ],
+        "supportedWiFiCryptoType": [
+          "TKIP",
+          "AES",
+          "WEP-64",
+          "WEP-128"
+        ],
+        "supportedWiFiFreq": [
+          "2.4G"
+        ],
+        "calmConnectionCare": {
+          "version": "1.0",
+          "role": [
+            "things"
+          ]
+        }
+      }
+    },
+    {
+      "href": "/wirelessinfo/vs/0",
+      "rep": {
+        "macaddressWiFi": "**REDACTED**",
+        "macaddressBLE": "**REDACTED**"
+      }
+    },
+    {
+      "href": "/quickcontrol/info/vs/0",
+      "rep": {
+        "supportedVersion": "1.0"
+      }
+    }
+  ]
+}
diff --git a/tests/test_golden_regression.py b/tests/test_golden_regression.py
index 23b1b7b..98884b8 100644
--- a/tests/test_golden_regression.py
+++ b/tests/test_golden_regression.py
@@ -7,12 +7,18 @@ GOLDEN = Path(__file__).parent / 'fixtures' / 'golden'
 
 
 def _new_state_keys(name, resources):
-    from custom_components.localthings.registry.by_type import for_device
+    from custom_components.localthings.registry.by_type import for_device, for_device_by_model
     from custom_components.localthings.registry.discovery import discover
     from custom_components.localthings.registry.adapter import flatten
     otn = resources.get('/otninformation/vs/0', {})
     one_ui = otn.get('swVersionInfo', {}).get('oneUiVersion', '')
+    info = resources.get('/information/vs/0', {})
     reg = for_device(one_ui) if one_ui else None
+    if reg is None:
+        reg = for_device_by_model(
+            info.get('x.com.samsung.da.modelNum', ''),
+            info.get('x.com.samsung.da.description', ''),
+        )
     if reg is None:
         from custom_components.localthings.registry.registry import CAPABILITIES
         caps, pats = CAPABILITIES, []
@@ -39,6 +45,18 @@ def test_registry_reproduces_golden_state_keys(name, ip, request):
     )
 
 
+def test_registry_reproduces_golden_state_keys_for_washer():
+    from tests.conftest import _load_device
+    resources = _load_device('washer')
+    golden = json.loads((GOLDEN / 'washer.json').read_text())
+    state_keys = _new_state_keys('washer', resources)
+    assert set(state_keys) == set(golden['state_keys']), (
+        f"state_keys mismatch:\n"
+        f"  extra:   {sorted(set(state_keys) - set(golden['state_keys']))}\n"
+        f"  missing: {sorted(set(golden['state_keys']) - set(state_keys))}"
+    )
+
+
 def test_resources_from_batch_preferred_over_flat():
     from tests.conftest import _resources_from_dump
     dump = {