chore: bump version to 0.9.0

Covers PR #36's TP1X temperature-fallback fix and display-light switch,
plus TP2X_RAC_20K device-type recognition and full TP1X_DA-AC-RAC-01001
capability coverage (issues #37, #38).

custom_components/localthings/climate.py

@@ -41,6 +41,7 @@ from .registry.capabilities.airconditioner import (
     HREF_TEMP_CURRENT as TEMP_CURRENT_HREF,
     HREF_TEMP_DESIRED as TEMP_DESIRED_HREF,
     HREF_TEMP_CONTROL as TEMP_CONTROL_HREF,
+    HREF_TEMPS_VS as TEMPS_VS_HREF,
     HREF_WIND_STRENGTH as WIND_STRENGTH_HREF,
     HREF_WIND_DIRECTION as WIND_DIRECTION_HREF,
     HREF_CONVENIENT as CONVENIENT_HREF,
@@ -125,6 +126,22 @@ def _num(value):
         return None
 
 
+def _temps_vs_item(rep: dict) -> dict:
+    """First item of the vendor `/temperatures/vs/0` items[] array.
+
+    Newer AC firmware (Tizen Lite, oneUiVersion "7.0 Air conditioner", e.g.
+    model TP1X_DA-AC-RAC-01011) does NOT expose the OCF-standard
+    /temperature/current/0 + /temperature/desired/0 pair; it reports current
+    and target under a single `/temperatures/vs/0` resource whose
+    `x.com.samsung.da.items[0]` carries current/desired/minimum/maximum/
+    increment/unit. Returns {} when absent, so callers fall through cleanly.
+    """
+    items = rep.get('x.com.samsung.da.items')
+    if isinstance(items, (list, tuple)) and items and isinstance(items[0], dict):
+        return items[0]
+    return {}
+
+
 class LocalThingsClimate(LocalThingsEntity, ClimateEntity):
     """Composite climate entity for a Samsung air conditioner."""
 
@@ -172,24 +189,41 @@ class LocalThingsClimate(LocalThingsEntity, ClimateEntity):
 
     # -- temperature --------------------------------------------------------
 
+    def _temps_vs(self) -> dict:
+        """Vendor `/temperatures/vs/0` items[0] (empty {} when absent)."""
+        return _temps_vs_item(self._rep(TEMPS_VS_HREF))
+
     @property
     def temperature_unit(self) -> str:
         raw = self._rep(TEMP_DESIRED_HREF).get('units')
+        if raw is None:
+            raw = self._temps_vs().get('x.com.samsung.da.unit')
         return (UnitOfTemperature.FAHRENHEIT
                 if normalize_temp_unit(raw, '°C') == '°F'
                 else UnitOfTemperature.CELSIUS)
 
     @property
     def current_temperature(self):
-        return _num(self._rep(TEMP_CURRENT_HREF).get('temperature'))
+        v = _num(self._rep(TEMP_CURRENT_HREF).get('temperature'))
+        if v is None:
+            v = _num(self._temps_vs().get('x.com.samsung.da.current'))
+        return v
 
     @property
     def target_temperature(self):
-        return _num(self._rep(TEMP_DESIRED_HREF).get('temperature'))
+        v = _num(self._rep(TEMP_DESIRED_HREF).get('temperature'))
+        if v is None:
+            v = _num(self._temps_vs().get('x.com.samsung.da.desired'))
+        return v
 
     def _range(self) -> list | None:
         r = self._rep(TEMP_DESIRED_HREF).get('range')
-        return r if (isinstance(r, (list, tuple)) and len(r) == 2) else None
+        if isinstance(r, (list, tuple)) and len(r) == 2:
+            return r
+        item = self._temps_vs()
+        lo = _num(item.get('x.com.samsung.da.minimum'))
+        hi = _num(item.get('x.com.samsung.da.maximum'))
+        return [lo, hi] if (lo is not None and hi is not None) else None
 
     @property
     def min_temp(self) -> float:
@@ -203,7 +237,10 @@ class LocalThingsClimate(LocalThingsEntity, ClimateEntity):
 
     @property
     def target_temperature_step(self) -> float:
-        return _num(self._rep(TEMP_CONTROL_HREF).get('increment')) or 1.0
+        return (_num(self._rep(TEMP_CONTROL_HREF).get('increment'))
+                or _num(self._rep(TEMP_CONTROL_HREF).get('x.com.samsung.da.increment'))
+                or _num(self._temps_vs().get('x.com.samsung.da.increment'))
+                or 1.0)
 
     # -- hvac mode ----------------------------------------------------------
 

custom_components/localthings/manifest.json

@@ -12,5 +12,5 @@
     "pyOpenSSL>=23.0",
     "smartthings-local>=0.1.0"
   ],
-  "version": "0.8.0"
+  "version": "0.9.0"
 }

custom_components/localthings/registry/by_type/__init__.py

@@ -96,4 +96,9 @@ def for_device_by_model(model_num: str, description: str) -> Optional[DeviceRegi
     # a modelNum carrying the '_PRAC_' (Package Room Air Conditioner) token.
     if key is None and '_PRAC_' in (model_num or ''):
         key = 'airconditioner'
+    # Older/simpler RAC boards (e.g. TP2X_RAC_20K, issue #37) use the plain
+    # '_RAC_' token instead -- distinct from '_PRAC_' above (no overlap: the
+    # 'P' sits between the underscore and 'RAC' in that token).
+    if key is None and '_RAC_' in (model_num or ''):
+        key = 'airconditioner'
     return _REGISTRY_BY_KEY.get(key) if key else None

custom_components/localthings/registry/by_type/airconditioner.py

@@ -19,11 +19,15 @@ REGISTRY = DeviceRegistry(
         common.ALARMS,
         common.ENERGY_METER,
         fridge.FIRMWARE_UPDATE,
+        fridge.SELF_CHECK,
         dishwasher.DIAGNOSIS,
         airconditioner.CLIMATE,
         airconditioner.AIR_PURIFY,
         airconditioner.AUTO_CLEAN,
         airconditioner.AIR_FILTER,
+        airconditioner.DISPLAY_LIGHT,
+        airconditioner.MUTE_ONCE,
+        airconditioner.CURRENT_LIMIT,
         *airconditioner.COVERAGE,
     ]),
 )

custom_components/localthings/registry/by_type/refrigerator.py

@@ -20,6 +20,7 @@ REGISTRY = DeviceRegistry(
         dishwasher.DIAGNOSIS,
         fridge.ICEMAKER_NIGHTTIME,
         fridge.FLEX_ZONE,
+        fridge.AI_ENERGY_LEVEL,
         fridge.REFRIGERATION,
         fridge.AUTOFILL,
         fridge.WELCOME_LIGHTING,

custom_components/localthings/registry/capabilities/airconditioner.py

@@ -15,7 +15,7 @@ different schema (see capabilities/__init__.py). They live only in the AC
 by_type registry.
 """
 from ..capability import Capability
-from ..entities import ClimateDesc, SensorDesc, SwitchDesc
+from ..entities import BinarySensorDesc, ClimateDesc, SensorDesc, SwitchDesc
 
 # ---------------------------------------------------------------------------
 # Canonical AC resource hrefs. The climate entity (climate.py) binds the
@@ -34,10 +34,12 @@ HREF_TEMP_CONTROL = '/temperature/control/vs/0'   # target_temperature_step
 HREF_WIND_STRENGTH = '/wind/strength/vs/0'        # fan_mode
 HREF_WIND_DIRECTION = '/wind/direction/vs/0'      # swing_mode
 HREF_CONVENIENT = '/mode/convenient/vs/0'         # preset_mode
+HREF_TEMPS_VS = '/temperatures/vs/0'              # vendor temp fallback (items[] array)
 
 CLIMATE_CONSUMED_HREFS = [
     HREF_POWER, HREF_POWER_VS, HREF_TEMP_CURRENT, HREF_TEMP_DESIRED,
-    HREF_TEMP_CONTROL, HREF_WIND_STRENGTH, HREF_WIND_DIRECTION, HREF_CONVENIENT,
+    HREF_TEMP_CONTROL, HREF_TEMPS_VS, HREF_WIND_STRENGTH, HREF_WIND_DIRECTION,
+    HREF_CONVENIENT,
 ]
 
 
@@ -146,6 +148,57 @@ AIR_FILTER = Capability(
     ),
 )
 
+DISPLAY_LIGHT = Capability(
+    href='/light/vs/0',
+    poll_tier='cold',
+    entities=(
+        SwitchDesc(key='display_light', field='mode',
+                   name='Display light', icon='mdi:led-on',
+                   entity_category='config',
+                   value_fn=lambda v: v == 'On',
+                   write_fn=lambda p, rep, href=None: (
+                       ['light', 'vs', '0'],
+                       {'mode': 'On' if p == 'On' else 'Off'})),
+    ),
+)
+
+# Confirmed against issue #38's dump (TP1X_DA-AC-RAC-01001_0000): a single
+# boolean field, no vendor prefix, mirroring the On/Off convention used
+# throughout the rest of this API.
+MUTE_ONCE = Capability(
+    href='/option/muteonce/vs/0',
+    poll_tier='warm',
+    entities=(
+        SwitchDesc(key='mute_once', field='muteonce',
+                   name='Mute once', icon='mdi:volume-mute',
+                   entity_category='config',
+                   value_fn=lambda v: v == 'On',
+                   write_fn=lambda p, rep, href=None: (
+                       ['option', 'muteonce', 'vs', '0'],
+                       {'muteonce': 'On' if p == 'On' else 'Off'})),
+    ),
+)
+
+# Circuit-breaker current-limit setting (issue #38, TP1X board): `operation`
+# toggles the limiter and `modes` picks a level out of `supportedModes`
+# (seen as '3'..'9'). No vendor field-name prefix and no unit/label in the
+# dump to confirm what the levels mean (amps vs. an abstract tier) --
+# exposed read-only per the 'don't guess' rule rather than risking an
+# unverified write to live HVAC hardware.
+CURRENT_LIMIT = Capability(
+    href='/electriccurrent/vs/0',
+    poll_tier='cold',
+    entities=(
+        BinarySensorDesc(key='current_limit_enabled', field='operation',
+                          name='Current limit enabled', icon='mdi:current-ac',
+                          entity_category='diagnostic',
+                          value_fn=lambda v: v == 'On'),
+        SensorDesc(key='current_limit_level', field='modes',
+                   name='Current limit level', icon='mdi:current-ac',
+                   entity_category='diagnostic'),
+    ),
+)
+
 # ---------------------------------------------------------------------------
 # AC-scoped coverage: the CLIMATE_CONSUMED_HREFS above (read by the climate
 # entity) plus vendor duplicates / all-zero-ambiguous / plumbing resources.
@@ -155,8 +208,6 @@ AIR_FILTER = Capability(
 # bound so discover() reports no coverage gap.
 # ---------------------------------------------------------------------------
 _AC_IGNORED = [
-    # Vendor superset that duplicates the OCF /temperature/current+desired pair.
-    '/temperatures/vs/0',
     # All-zero and ambiguously encoded on this model (2-value arrays); the
     # 'don't guess' rule -- leave unmodeled rather than invent entities.
     '/sensors/vs/0',
@@ -164,6 +215,23 @@ _AC_IGNORED = [
     '/humidity/vs/0',
     # Presence-personalization plumbing (empty item list here).
     '/personality/presence/vs/0',
+    # --- TP1X/TP2X-class housekeeping / opaque blobs. These carry no
+    # user-actionable state or no documented write contract, so per the
+    # 'don't guess' rule they are ignored rather than modeled.
+    # /option/muteonce/vs/0 and /selfcheck/vs/0 are deliberately NOT here --
+    # see MUTE_ONCE and fridge.SELF_CHECK above/in the by_type registry,
+    # both of which have a confirmed, cleanly modelable contract.
+    '/airlevelcheck/vs/0',         # periodic air-quality sensing scheduler plumbing
+    '/aisleep/vs/0',               # AI-sleep feedback state (no actionable control)
+    '/availablecontrolsets/vs/0',  # opaque hex-encoded control-set bitmap
+    '/da/softreset/vs/0',          # soft-reset trigger plumbing
+    '/keepnormalstate/vs/0',       # internal keep-normal flag
+    '/mds/absencemonitoring/vs/0', # motion-detection sensor plumbing (empty here)
+    '/mds/absencestate/vs/0',      # motion-detection state (empty here)
+    '/remotedatacontrol/vs/0',     # remote data-control session status
+    '/remotetemperature/vs/0',     # external temp-sensor feed (unset on this unit)
+    '/reserverulesets/vs/0',       # opaque hex-encoded schedule reservation blob
+    '/welcome/temperature/vs/0',   # welcome-cooling plumbing
 ]
 
 # Built as bare no-entity caps; folded into the AC registry (not global).

custom_components/localthings/registry/capabilities/fridge.py

@@ -242,6 +242,14 @@ SELF_CHECK = Capability(
         SensorDesc(key='selfcheck_result', field='x.com.samsung.da.result',
                    name='Self-check result', icon='mdi:clipboard-check-outline',
                    entity_category='diagnostic'),
+        # List of error codes from the last self-check; joined for display.
+        # Not every fridge reports the field, hence the exists_fn.
+        SensorDesc(key='selfcheck_error', field='x.com.samsung.da.error',
+                   name='Self-check error', icon='mdi:alert-circle-outline',
+                   entity_category='diagnostic',
+                   exists_fn=lambda rep, resources: (
+                       not rep or 'x.com.samsung.da.error' in rep),
+                   value_fn=lambda v: (', '.join(v) if v else None) if isinstance(v, list) else v),
         ButtonDesc(key='selfcheck_start', field='', name='Start self-check',
                    payload='Start', icon='mdi:play-circle-outline',
                    entity_category='diagnostic',
@@ -580,6 +588,33 @@ FLEX_ZONE = Capability(
     ),
 )
 
+# ---------------------------------------------------------------------------
+# AI energy-saving level
+#
+# supportedAiLevel is a single-entry list ('1' only) on some hardware, where
+# a select would offer no real choice — gated to >1 supported level.
+# ---------------------------------------------------------------------------
+
+AI_ENERGY_LEVEL = Capability(
+    href='/energy/ailevel/vs/0',
+    poll_tier='cold',
+    entities=(
+        # Only levels '1'/'2' have translated labels in strings.json/translations;
+        # a higher supportedAiLevel entry renders as its raw value until added.
+        SelectDesc(key='ai_energy_level', field='aiLevel',
+                   name='AI energy level', icon='mdi:leaf',
+                   translation_key='ai_energy_level',
+                   entity_category='config',
+                   options_field='supportedAiLevel',
+                   exists_fn=lambda rep, resources: (
+                       not rep or (
+                           isinstance((sl := rep.get('supportedAiLevel')), (list, tuple))
+                           and len(sl) > 1)),
+                   write_fn=lambda p, rep, href=None: (
+                       ['energy', 'ailevel', 'vs', '0'], {'aiLevel': p})),
+    ),
+)
+
 # ---------------------------------------------------------------------------
 # Firmware update
 # ---------------------------------------------------------------------------

custom_components/localthings/registry/capabilities/ignored.py

@@ -85,14 +85,9 @@ IGNORED: list[Capability] = [
     # Warranty/service-plan enrollment status — every field reads "Unknown"
     # on hardware not enrolled in a Samsung Care+ style program.
     Capability(href='/dginformation/vs/0'),
-    # AI energy-saving level; only one value ('1') is ever in
-    # supportedAiLevel on hardware seen so far, so there's no real choice
-    # to expose. Revisit if a device surfaces more than one supported level.
-    Capability(href='/energy/ailevel/vs/0'),
     # OCF-native vacation-mode flag (fridge). Only one value ('RVACATION_OFF')
-    # has ever been seen in `modes` (issue #7's dump), same "no real choice
-    # to expose yet" situation as /energy/ailevel/vs/0 above. Revisit if a
-    # device surfaces it toggled on.
+    # has ever been seen in `modes` (issue #7's dump) -- no real choice to
+    # expose yet. Revisit if a device surfaces it toggled on.
     Capability(href='/mode/0'),
     # Opaque integer with no supportedModes/options list to interpret it
     # against — meaning unclear from the raw resource alone.

custom_components/localthings/strings.json

@@ -143,6 +143,12 @@
           "180": "3 hr",
           "240": "4 hr"
         }
+      },
+      "ai_energy_level": {
+        "state": {
+          "1": "Level 1",
+          "2": "Level 2"
+        }
       }
     },
     "sensor": {

custom_components/localthings/translations/en.json

@@ -143,6 +143,12 @@
           "180": "3 hr",
           "240": "4 hr"
         }
+      },
+      "ai_energy_level": {
+        "state": {
+          "1": "Level 1",
+          "2": "Level 2"
+        }
       }
     },
     "sensor": {

tests/fixtures/airconditioner_tp1x_da_ac_rac_01011_device.json

@@ -0,0 +1,595 @@
+{
+  "meta": {
+    "note": "Samsung Room A/C, model TP1X_DA-AC-RAC-01011 (oneUiVersion '7.0 Air conditioner', Tizen Lite). Scrubbed real /device/0 dump. Adds temperature via /temperatures/vs/0 + display light. Issue #17 (newer model class).",
+    "issue": 17,
+    "model": "TP1X_DA-AC-RAC-01011",
+    "oneUiVersion": "7.0 Air conditioner"
+  },
+  "device0": [
+    {
+      "rt": [
+        "x.com.samsung.devcol",
+        "oic.wk.col"
+      ],
+      "if": [
+        "oic.if.baseline",
+        "oic.if.ll",
+        "oic.if.b"
+      ]
+    },
+    {
+      "href": "/airlevelcheck/vs/0",
+      "rep": {
+        "x.com.samsung.da.periodicSensingInterval": "1800",
+        "x.com.samsung.da.sensingState": "NonProcessing",
+        "x.com.samsung.da.lastSensingTime": "1784508715",
+        "x.com.samsung.da.lastSensingLevel": "Kr1",
+        "x.com.samsung.da.periodicSensingSkipStatus": "Off",
+        "x.com.samsung.da.periodicSensingSkipTime": "00000000",
+        "x.com.samsung.da.periodicSensingActivationState": "On",
+        "x.com.samsung.da.autoExeState": "Alarm",
+        "x.com.samsung.da.supportedAutoExeState": [
+          "Airpurify",
+          "Alarm",
+          "Sensing"
+        ],
+        "x.com.samsung.da.startSensingOnce": "Off",
+        "x.com.samsung.da.autoExeSetting": "Off",
+        "x.com.samsung.da.supportedAutoExeSetting": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/aisleep/vs/0",
+      "rep": {
+        "x.com.samsung.da.displayNightMode": "Off",
+        "x.com.samsung.da.elapsedTime": "0",
+        "x.com.samsung.da.requestFeedback": "Off",
+        "x.com.samsung.da.resultFeedback": 0,
+        "x.com.samsung.da.statusFeedback": "Idle",
+        "x.com.samsung.da.sleepTime": "14002200"
+      }
+    },
+    {
+      "href": "/alarms/vs/0",
+      "rep": {
+        "rt": [
+          "x.com.samsung.da.alarms"
+        ],
+        "if": [
+          "oic.if.baseline",
+          "oic.if.a"
+        ],
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "ErrorCode_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-22T07:13:19",
+            "x.com.samsung.da.state": "Deleted"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "FilterAlarm_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-22T07:13:19",
+            "x.com.samsung.da.state": "Deleted"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/availablecontrolsets/vs/0",
+      "rep": {
+        "x.com.samsung.da.sets": "000000A0012C016102490F0F0000",
+        "x.com.samsung.da.id": "RAC",
+        "x.com.samsung.da.version": "1.0"
+      }
+    },
+    {
+      "href": "/configuration/vs/0",
+      "rep": {
+        "x.com.samsung.da.region": "0000000000",
+        "x.com.samsung.da.airconOptionList": [
+          "PRODUCT_GLOBAL",
+          "AI_GLOBAL_HEATPUMP_4.0",
+          "AI_3.0",
+          "Auto_To_AI",
+          "AI_Heat",
+          "ENERGY_2.0",
+          "HOMECARE_WIZARD_V2",
+          "DR",
+          "SingleCommand_1"
+        ]
+      }
+    },
+    {
+      "href": "/da/softreset/vs/0",
+      "rep": {
+        "x.com.samsung.da.softwarereset": "false"
+      }
+    },
+    {
+      "href": "/drlc/vs/0",
+      "rep": {
+        "x.com.samsung.da.start": "1970-01-01T00:00:00Z",
+        "x.com.samsung.da.override": "Off",
+        "x.com.samsung.da.durationminutes": "0",
+        "x.com.samsung.da.drlcLevel": "0",
+        "x.com.samsung.da.realSaving": "Off"
+      }
+    },
+    {
+      "href": "/energy/consumption/vs/0",
+      "rep": {
+        "x.com.samsung.da.cumulativeDate": "1784704371",
+        "x.com.samsung.da.cumulativeSavedPower": "-1",
+        "x.com.samsung.da.cumulativePower": "75025",
+        "x.com.samsung.da.cumulativeUnit": "Wh",
+        "x.com.samsung.da.instantaneousPowerUnit": "W",
+        "x.com.samsung.da.cumulativePowerType": "total"
+      }
+    },
+    {
+      "href": "/file/information/vs/0",
+      "rep": {
+        "x.com.samsung.timeoffset": "+02:00",
+        "x.com.samsung.supprtedtype": 1
+      }
+    },
+    {
+      "href": "/filter/airdustfilter/vs/0",
+      "rep": {
+        "x.com.samsung.da.filterUsageResolution": "1",
+        "x.com.samsung.da.filterCapacity": "500",
+        "x.com.samsung.da.filterCapacityUnit": "Hour",
+        "x.com.samsung.da.filterResetType": [
+          "replaceable",
+          "washable"
+        ],
+        "x.com.samsung.da.filterStatus": "normal",
+        "x.com.samsung.da.filterUsage": "42",
+        "x.com.samsung.da.filterDesiredUsage": "500",
+        "x.com.samsung.da.supportedFilterDesiredUsage": [
+          "180",
+          "300",
+          "500",
+          "700"
+        ]
+      }
+    },
+    {
+      "href": "/humidity/vs/0",
+      "rep": {
+        "x.com.samsung.da.humidity": "0",
+        "x.com.samsung.da.fivepercentHumidity": "53"
+      }
+    },
+    {
+      "href": "/information/vs/0",
+      "rep": {
+        "x.com.samsung.da.otnDUID": "**REDACTED**",
+        "x.com.samsung.da.modelNum": "TP1X_DA-AC-RAC-01011_0000|10275643|60010523001911F58E0049320092E900",
+        "x.com.samsung.da.description": "TP1X_DA-AC-RAC-01011_0000",
+        "x.com.samsung.da.serialNum": "**REDACTED**",
+        "x.com.samsung.da.serialNumOption": "**REDACTED**",
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Software",
+            "x.com.samsung.da.number": "02762A260401",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.newVersionAvailable": "0",
+            "x.com.samsung.da.number": "02756C25082500,FFFFFFFFFFFFFF"
+          },
+          {
+            "x.com.samsung.da.id": "2",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.newVersionAvailable": "0",
+            "x.com.samsung.da.number": "02669A24092600,02636A10001200"
+          },
+          {
+            "x.com.samsung.da.id": "3",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.newVersionAvailable": "0",
+            "x.com.samsung.da.number": "02672A10001000,FFFFFFFFFFFFFF"
+          }
+        ],
+        "x.com.samsung.da.diagDumpType": "file",
+        "x.com.samsung.da.diagEndPoint": "SSM",
+        "x.com.samsung.da.diagLogType": [
+          "errCode",
+          "dump"
+        ],
+        "x.com.samsung.da.diagMnid": "0AJT",
+        "x.com.samsung.da.diagSetupid": "AR4",
+        "x.com.samsung.da.diagProtocolType": "BLE_OCF",
+        "x.com.samsung.da.diagMinVersion": "3.0",
+        "x.com.samsung.da.diagTsId": "DA01"
+      }
+    },
+    {
+      "href": "/keepnormalstate/vs/0",
+      "rep": {
+        "x.com.samsung.da.keepnormal": 1
+      }
+    },
+    {
+      "href": "/light/vs/0",
+      "rep": {
+        "mode": "On",
+        "supportedModes": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/mds/absencemonitoring/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/mds/absencestate/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/mode/convenient/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "Off",
+        "x.com.samsung.da.supportedModes": [
+          "Off",
+          "Sleep",
+          "Quiet",
+          "Smart",
+          "Speed",
+          "MotionIndirect",
+          "Nano",
+          "NanoSleep",
+          "DryComfort"
+        ]
+      }
+    },
+    {
+      "href": "/mode/vs/0",
+      "rep": {
+        "rt": [
+          "x.com.samsung.da.mode"
+        ],
+        "if": [
+          "oic.if.baseline",
+          "oic.if.a"
+        ],
+        "x.com.samsung.da.modes": [
+          "Heat"
+        ],
+        "workingMode": "Heat",
+        "x.com.samsung.da.supportedModes": [
+          "Auto",
+          "Cool",
+          "Dry",
+          "Heat",
+          "Wind"
+        ],
+        "x.com.samsung.da.options": [
+          "OptionCode_56378",
+          "Sleep_6",
+          "ArtificialWorking_Off",
+          "Off",
+          "OutdoorTemp_68",
+          "OutdoorConnection_Connected"
+        ]
+      }
+    },
+    {
+      "href": "/option/airpurify/vs/0",
+      "rep": {
+        "rt": [
+          "x.com.samsung.da.option.airpurify"
+        ],
+        "if": [
+          "oic.if.baseline",
+          "oic.if.a"
+        ],
+        "x.com.samsung.da.modes": "Off",
+        "x.com.samsung.da.supportedModes": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/option/autoclean/vs/0",
+      "rep": {
+        "x.com.samsung.da.status": "Stop",
+        "x.com.samsung.da.supportedStatus": [
+          "Start",
+          "Stop"
+        ],
+        "x.com.samsung.da.progress": "0",
+        "x.com.samsung.da.settingStatus": "On",
+        "x.com.samsung.da.supportedSettingStatus": [
+          "On",
+          "Off"
+        ],
+        "defaultSettingStatus": "On"
+      }
+    },
+    {
+      "href": "/option/muteonce/vs/0",
+      "rep": {
+        "muteonce": "Off"
+      }
+    },
+    {
+      "href": "/personality/presence/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/power/vs/0",
+      "rep": {
+        "x.com.samsung.da.power": "Off",
+        "operationNumber": "39",
+        "displayCondition": "Enable"
+      }
+    },
+    {
+      "href": "/realtimenotiforclient/vs/0",
+      "rep": {
+        "x.com.samsung.da.timeforshortnoti": "0",
+        "x.com.samsung.da.longnotisubscription": "true",
+        "x.com.samsung.da.periodicnotisubscription": "true"
+      }
+    },
+    {
+      "href": "/remotedatacontrol/vs/0",
+      "rep": {
+        "x.com.samsung.da.status": "Off",
+        "x.com.samsung.da.connectionStatus": "Disconnected"
+      }
+    },
+    {
+      "href": "/remotetemperature/vs/0",
+      "rep": {
+        "x.com.samsung.da.temperature": "",
+        "x.com.samsung.da.unit": "",
+        "x.com.samsung.da.error": ""
+      }
+    },
+    {
+      "href": "/reserverulesets/vs/0",
+      "rep": {
+        "x.com.samsung.da.sets": "3EFFFFFFFF101E121EFFFF101EFFFF000001001F0001001F001F0000009CACFFFF0000",
+        "x.com.samsung.da.id": "RAC",
+        "x.com.samsung.da.version": "1.0"
+      }
+    },
+    {
+      "href": "/selfcheck/vs/0",
+      "rep": {
+        "x.com.samsung.da.start": "Cancel",
+        "x.com.samsung.da.status": "Ready",
+        "x.com.samsung.da.progress": "0",
+        "x.com.samsung.da.result": "NA",
+        "x.com.samsung.da.supportedActions": [
+          "Start",
+          "Cancel"
+        ],
+        "x.com.samsung.da.error": [
+          "DA_ERROR_NONE"
+        ]
+      }
+    },
+    {
+      "href": "/sensors/vs/0",
+      "rep": {
+        "x.com.samsung.da.cleanLevel": "1",
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Sensor for CleanLevel",
+            "x.com.samsung.da.type": "CleanLevel",
+            "x.com.samsung.da.value": [
+              "1"
+            ]
+          },
+          {
+            "x.com.samsung.da.id": "2",
+            "x.com.samsung.da.description": "Sensor for Dust",
+            "x.com.samsung.da.type": "Dust",
+            "x.com.samsung.da.value": [
+              "0",
+              "0"
+            ]
+          },
+          {
+            "x.com.samsung.da.id": "3",
+            "x.com.samsung.da.description": "Sensor for FineDust",
+            "x.com.samsung.da.type": "FineDust",
+            "x.com.samsung.da.value": [
+              "0",
+              "0"
+            ]
+          },
+          {
+            "x.com.samsung.da.id": "4",
+            "x.com.samsung.da.description": "Sensor for SuperFineDust",
+            "x.com.samsung.da.type": "SuperFineDust",
+            "x.com.samsung.da.value": [
+              "0",
+              "0"
+            ]
+          }
+        ]
+      }
+    },
+    {
+      "href": "/temperature/control/vs/0",
+      "rep": {
+        "x.com.samsung.da.increment": "1"
+      }
+    },
+    {
+      "href": "/temperatures/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Temperature",
+            "x.com.samsung.da.current": "17.0",
+            "x.com.samsung.da.desired": "25.0",
+            "x.com.samsung.da.minimum": "16",
+            "x.com.samsung.da.maximum": "30",
+            "x.com.samsung.da.increment": "1",
+            "x.com.samsung.da.unit": "Celsius"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/welcome/temperature/vs/0",
+      "rep": {
+        "operatingStatus": "None",
+        "requestId": "0000"
+      }
+    },
+    {
+      "href": "/wind/direction/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "Fix",
+        "x.com.samsung.da.supportedModes": [
+          "Fix",
+          "Up_And_Low",
+          "Left_And_Right",
+          "All"
+        ]
+      }
+    },
+    {
+      "href": "/wind/strength/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "0",
+        "x.com.samsung.da.supportedModes": [
+          "0",
+          "1",
+          "2",
+          "3",
+          "4"
+        ],
+        "x.com.samsung.da.modesName": [
+          "Auto",
+          "Low",
+          "Mid",
+          "High",
+          "Turbo"
+        ]
+      }
+    },
+    {
+      "href": "/otninformation/vs/0",
+      "rep": {
+        "x.com.samsung.da.target": "",
+        "x.com.samsung.da.newVersionAvailable": "false",
+        "otnStatus": "None",
+        "flashingProgress": "0",
+        "otnCompleteDate": "noHistory",
+        "scheduledTime": "None",
+        "swVersionInfo": {
+          "platform": "Tizen Lite",
+          "oneUiVersion": "7.0 Air conditioner",
+          "osVersion": "4.0"
+        },
+        "otnList": [
+          {
+            "type": "WIFI",
+            "modelId": "ARA-KR-TP1-25-ARXX00",
+            "versions": [
+              "11260401"
+            ],
+            "visVersion": "260401"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/timezone/vs/0",
+      "rep": {
+        "timezoneid": "Africa/Johannesburg",
+        "offset": "+02:00",
+        "DST": "OFF"
+      }
+    },
+    {
+      "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**",
+        "connectedApSsid": "**REDACTED**"
+      }
+    },
+    {
+      "href": "/quickcontrol/info/vs/0",
+      "rep": {
+        "supportedVersion": "1.0"
+      }
+    },
+    {
+      "href": "/dginformation/vs/0",
+      "rep": {
+        "enrolmentstatus": "Unknown",
+        "devicestate": "Unknown",
+        "lockstatus": "Normal",
+        "nextduedate": "",
+        "workingminutes": 0,
+        "paymentinfo": {
+          "emiplan": "Unknown",
+          "currency": "Unknown",
+          "totalemi": 0,
+          "totalemipaid": 0
+        }
+      }
+    }
+  ]
+}

tests/fixtures/airconditioner_tp1x_rac_device.json

@@ -0,0 +1,591 @@
+{
+  "meta": {
+    "model": "TP1X_DA-AC-RAC-01001_0000",
+    "device_type": "airconditioner",
+    "source": "issue #38 diagnostics (scrubbed)",
+    "note": "Newer TP1X RAC board (oneUiVersion '7.0 Air conditioner') with a fuller resource set than the ARTIK051/TP2X boards: display light, self-check, mute-once, and a circuit-breaker current-limit setting."
+  },
+  "device0": [
+    {
+      "rt": [
+        "x.com.samsung.devcol",
+        "oic.wk.col"
+      ],
+      "if": [
+        "oic.if.baseline",
+        "oic.if.ll",
+        "oic.if.b"
+      ]
+    },
+    {
+      "href": "/aisleep/vs/0",
+      "rep": {
+        "x.com.samsung.da.displayNightMode": "Off",
+        "x.com.samsung.da.elapsedTime": "0",
+        "x.com.samsung.da.requestFeedback": "Off",
+        "x.com.samsung.da.resultFeedback": 0,
+        "x.com.samsung.da.statusFeedback": "Idle",
+        "x.com.samsung.da.sleepTime": "14002200"
+      }
+    },
+    {
+      "href": "/alarms/vs/0",
+      "rep": {
+        "rt": [
+          "x.com.samsung.da.alarms"
+        ],
+        "if": [
+          "oic.if.baseline",
+          "oic.if.a"
+        ],
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "ErrorCode_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-22T12:58:00",
+            "x.com.samsung.da.state": "Deleted"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "FilterAlarm_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-22T12:58:00",
+            "x.com.samsung.da.state": "Deleted"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/availablecontrolsets/vs/0",
+      "rep": {
+        "x.com.samsung.da.sets": "AEB700A0012C01610248040F0000",
+        "x.com.samsung.da.id": "RAC",
+        "x.com.samsung.da.version": "1.0"
+      }
+    },
+    {
+      "href": "/configuration/vs/0",
+      "rep": {
+        "x.com.samsung.da.region": "0000000000",
+        "x.com.samsung.da.airconOptionList": [
+          "PRODUCT_GLOBAL",
+          "AI_GLOBAL_HEATPUMP_4.0",
+          "AI_3.0",
+          "Auto_To_AI",
+          "AI_Heat",
+          "ENERGY_2.0",
+          "HOMECARE_WIZARD_V2",
+          "DR",
+          "SingleCommand_1"
+        ]
+      }
+    },
+    {
+      "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": "/da/softreset/vs/0",
+      "rep": {
+        "x.com.samsung.da.softwarereset": "false"
+      }
+    },
+    {
+      "href": "/dginformation/vs/0",
+      "rep": {
+        "enrolmentstatus": "Unknown",
+        "devicestate": "Unknown",
+        "lockstatus": "Unknown",
+        "nextduedate": "",
+        "workingminutes": 0,
+        "paymentinfo": {
+          "emiplan": "Unknown",
+          "currency": "Unknown",
+          "totalemi": 0,
+          "totalemipaid": 0
+        }
+      }
+    },
+    {
+      "href": "/drlc/vs/0",
+      "rep": {
+        "x.com.samsung.da.start": "2026-07-22T10:59:14Z",
+        "x.com.samsung.da.override": "Off",
+        "x.com.samsung.da.durationminutes": "1148",
+        "x.com.samsung.da.drlcLevel": "1",
+        "x.com.samsung.da.realSaving": "Off"
+      }
+    },
+    {
+      "href": "/electriccurrent/vs/0",
+      "rep": {
+        "operation": "Off",
+        "modes": "3",
+        "supportedModes": [
+          "3",
+          "4",
+          "5",
+          "6",
+          "7",
+          "8",
+          "9"
+        ]
+      }
+    },
+    {
+      "href": "/energy/consumption/vs/0",
+      "rep": {
+        "x.com.samsung.da.cumulativeDate": "1784725078",
+        "x.com.samsung.da.cumulativeSavedPower": "-1",
+        "x.com.samsung.da.cumulativePower": "160922",
+        "x.com.samsung.da.cumulativeUnit": "Wh",
+        "x.com.samsung.da.instantaneousPowerUnit": "W",
+        "x.com.samsung.da.cumulativePowerType": "total"
+      }
+    },
+    {
+      "href": "/file/information/vs/0",
+      "rep": {
+        "x.com.samsung.timeoffset": "+03:00",
+        "x.com.samsung.supprtedtype": 1
+      }
+    },
+    {
+      "href": "/filter/airdustfilter/vs/0",
+      "rep": {
+        "x.com.samsung.da.filterUsageResolution": "1",
+        "x.com.samsung.da.filterCapacity": "500",
+        "x.com.samsung.da.filterCapacityUnit": "Hour",
+        "x.com.samsung.da.filterResetType": [
+          "replaceable",
+          "washable"
+        ],
+        "x.com.samsung.da.filterStatus": "normal",
+        "x.com.samsung.da.filterUsage": "30",
+        "x.com.samsung.da.filterDesiredUsage": "500",
+        "x.com.samsung.da.supportedFilterDesiredUsage": [
+          "180",
+          "300",
+          "500",
+          "700"
+        ]
+      }
+    },
+    {
+      "href": "/information/vs/0",
+      "rep": {
+        "x.com.samsung.da.otnDUID": "**REDACTED**",
+        "x.com.samsung.da.modelNum": "TP1X_DA-AC-RAC-01001_0000|10267841|60010532001911000E0041220090A000",
+        "x.com.samsung.da.description": "TP1X_DA-AC-RAC-01001_0000",
+        "x.com.samsung.da.serialNum": "**REDACTED**",
+        "x.com.samsung.da.serialNumOption": "**REDACTED**",
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Software",
+            "x.com.samsung.da.number": "02762A260401",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.newVersionAvailable": "0",
+            "x.com.samsung.da.number": "02678A24092500,FFFFFFFFFFFFFF"
+          },
+          {
+            "x.com.samsung.da.id": "2",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.newVersionAvailable": "0",
+            "x.com.samsung.da.number": "02669A24092600,02636A10001200"
+          },
+          {
+            "x.com.samsung.da.id": "3",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.newVersionAvailable": "0",
+            "x.com.samsung.da.number": "02672A10001000,FFFFFFFFFFFFFF"
+          }
+        ],
+        "x.com.samsung.da.diagDumpType": "file",
+        "x.com.samsung.da.diagEndPoint": "SSM",
+        "x.com.samsung.da.diagLogType": [
+          "errCode",
+          "dump"
+        ],
+        "x.com.samsung.da.diagMnid": "0AJT",
+        "x.com.samsung.da.diagSetupid": "AR2",
+        "x.com.samsung.da.diagProtocolType": "BLE_OCF",
+        "x.com.samsung.da.diagMinVersion": "3.0",
+        "x.com.samsung.da.diagTsId": "DA01"
+      }
+    },
+    {
+      "href": "/keepnormalstate/vs/0",
+      "rep": {
+        "x.com.samsung.da.keepnormal": 1
+      }
+    },
+    {
+      "href": "/light/vs/0",
+      "rep": {
+        "mode": "On",
+        "supportedModes": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/mds/absencemonitoring/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/mds/absencestate/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/mode/convenient/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "Off",
+        "x.com.samsung.da.supportedModes": [
+          "Off",
+          "Sleep",
+          "Quiet",
+          "Smart",
+          "Speed"
+        ]
+      }
+    },
+    {
+      "href": "/mode/vs/0",
+      "rep": {
+        "rt": [
+          "x.com.samsung.da.mode"
+        ],
+        "if": [
+          "oic.if.baseline",
+          "oic.if.a"
+        ],
+        "x.com.samsung.da.modes": [
+          "Cool"
+        ],
+        "workingMode": "Cool",
+        "x.com.samsung.da.supportedModes": [
+          "Auto",
+          "Cool",
+          "Dry",
+          "Fan",
+          "Heat"
+        ],
+        "x.com.samsung.da.options": [
+          "OptionCode_54328",
+          "Sleep_0",
+          "ArtificialWorking_Off",
+          "ComfortAICooling_Off",
+          "AiTempChanged_Off",
+          "AiTemp_240",
+          "Volume_100",
+          "StopAutoClean_Idle",
+          "DiagnosisAI_Off",
+          "ProgressDiagnosisAI_0",
+          "ResultDiagnosisAI_Normal",
+          "ExtendOptionCode_230024",
+          "UpdateAllow_NotAllowed",
+          "DurationOn_120",
+          "OutdoorTemp_92",
+          "CoolCapa_50",
+          "WarmCapa_60",
+          "Autoclean_Off",
+          "WelcomeCoolingState_Off",
+          "WelcomeHeatingState_Off",
+          "OutdoorConnection_Connected"
+        ]
+      }
+    },
+    {
+      "href": "/option/airpurify/vs/0",
+      "rep": {
+        "rt": [
+          "x.com.samsung.da.option.airpurify"
+        ],
+        "if": [
+          "oic.if.baseline",
+          "oic.if.a"
+        ],
+        "x.com.samsung.da.modes": "Off",
+        "x.com.samsung.da.supportedModes": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/option/autoclean/vs/0",
+      "rep": {
+        "x.com.samsung.da.status": "Stop",
+        "x.com.samsung.da.supportedStatus": [
+          "Start",
+          "Stop"
+        ],
+        "x.com.samsung.da.progress": "0",
+        "x.com.samsung.da.settingStatus": "Off",
+        "x.com.samsung.da.supportedSettingStatus": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/option/muteonce/vs/0",
+      "rep": {
+        "muteonce": "Off"
+      }
+    },
+    {
+      "href": "/otninformation/vs/0",
+      "rep": {
+        "x.com.samsung.da.target": "",
+        "x.com.samsung.da.newVersionAvailable": "false",
+        "otnStatus": "None",
+        "flashingProgress": "0",
+        "otnCompleteDate": "noHistory",
+        "scheduledTime": "None",
+        "swVersionInfo": {
+          "platform": "Tizen Lite",
+          "oneUiVersion": "7.0 Air conditioner",
+          "osVersion": "4.0"
+        },
+        "otnList": [
+          {
+            "type": "WIFI",
+            "modelId": "ARA-KR-TP1-25-ARXX00",
+            "versions": [
+              "11260401"
+            ],
+            "visVersion": "260401"
+          },
+          {
+            "type": "Micom",
+            "modelId": "845210267841FFFFFFFF",
+            "versions": [
+              "24092500",
+              "FFFFFFFF"
+            ],
+            "visVersion": "240925"
+          },
+          {
+            "type": "Micom",
+            "modelId": "045210267841FFFFFFFF",
+            "versions": [
+              "24092500",
+              "FFFFFFFF"
+            ],
+            "visVersion": "240925"
+          },
+          {
+            "type": "Micom",
+            "modelId": "04521026694110263641",
+            "versions": [
+              "24092600",
+              "10001200"
+            ],
+            "visVersion": "240926"
+          },
+          {
+            "type": "Micom",
+            "modelId": "FGCAN3",
+            "versions": [
+              "",
+              ""
+            ],
+            "visVersion": "999999"
+          },
+          {
+            "type": "Micom",
+            "modelId": "845210266941FFFFFFFF",
+            "versions": [
+              "24092600",
+              "FFFFFFFF"
+            ],
+            "visVersion": "240926"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/personality/presence/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/power/vs/0",
+      "rep": {
+        "x.com.samsung.da.power": "On",
+        "operationNumber": "9"
+      }
+    },
+    {
+      "href": "/quickcontrol/info/vs/0",
+      "rep": {
+        "supportedVersion": "1.0"
+      }
+    },
+    {
+      "href": "/realtimenotiforclient/vs/0",
+      "rep": {
+        "x.com.samsung.da.timeforshortnoti": "0",
+        "x.com.samsung.da.longnotisubscription": "false",
+        "x.com.samsung.da.periodicnotisubscription": "true"
+      }
+    },
+    {
+      "href": "/remotedatacontrol/vs/0",
+      "rep": {
+        "x.com.samsung.da.status": "Off",
+        "x.com.samsung.da.connectionStatus": "Disconnected"
+      }
+    },
+    {
+      "href": "/remotetemperature/vs/0",
+      "rep": {
+        "x.com.samsung.da.temperature": "",
+        "x.com.samsung.da.unit": "",
+        "x.com.samsung.da.error": ""
+      }
+    },
+    {
+      "href": "/reserverulesets/vs/0",
+      "rep": {
+        "x.com.samsung.da.sets": "AEFFFFFFFF101E121EFFFF101EFFFF000001001F00010000001F0000000000FFFF1E00",
+        "x.com.samsung.da.id": "RAC",
+        "x.com.samsung.da.version": "1.0"
+      }
+    },
+    {
+      "href": "/selfcheck/vs/0",
+      "rep": {
+        "x.com.samsung.da.start": "Cancel",
+        "x.com.samsung.da.status": "Ready",
+        "x.com.samsung.da.progress": "0",
+        "x.com.samsung.da.result": "NA",
+        "x.com.samsung.da.supportedActions": [
+          "Start",
+          "Cancel"
+        ],
+        "x.com.samsung.da.error": [
+          "DA_ERROR_NONE"
+        ]
+      }
+    },
+    {
+      "href": "/temperature/control/vs/0",
+      "rep": {
+        "x.com.samsung.da.increment": "1"
+      }
+    },
+    {
+      "href": "/temperatures/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Temperature",
+            "x.com.samsung.da.current": "26.0",
+            "x.com.samsung.da.desired": "22.0",
+            "x.com.samsung.da.minimum": "16",
+            "x.com.samsung.da.maximum": "30",
+            "x.com.samsung.da.increment": "1",
+            "x.com.samsung.da.unit": "Celsius"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/timezone/vs/0",
+      "rep": {
+        "timezoneid": "Asia/Amman",
+        "offset": "+03:00",
+        "DST": "OFF"
+      }
+    },
+    {
+      "href": "/welcome/temperature/vs/0",
+      "rep": {
+        "operatingStatus": "None",
+        "requestId": "0000"
+      }
+    },
+    {
+      "href": "/wind/direction/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "All",
+        "x.com.samsung.da.supportedModes": [
+          "Fix",
+          "Up_And_Low",
+          "Left_And_Right",
+          "All"
+        ]
+      }
+    },
+    {
+      "href": "/wind/strength/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "1",
+        "x.com.samsung.da.supportedModes": [
+          "0",
+          "1",
+          "2",
+          "3",
+          "4"
+        ],
+        "x.com.samsung.da.modesName": [
+          "Auto",
+          "Low",
+          "Mid",
+          "High",
+          "Turbo"
+        ]
+      }
+    },
+    {
+      "href": "/wirelessinfo/vs/0",
+      "rep": {
+        "macaddressWiFi": "**REDACTED**",
+        "macaddressBLE": "**REDACTED**",
+        "connectedApSsid": "**REDACTED**"
+      }
+    }
+  ]
+}

tests/fixtures/airconditioner_tp2x_rac_20k_device.json

@@ -0,0 +1,380 @@
+{
+  "meta": {
+    "model": "TP2X_RAC_20K",
+    "device_type": "airconditioner",
+    "source": "issue #37 diagnostics (scrubbed)",
+    "note": "Older/simpler RAC board reporting no oneUiVersion -- resolved via the '_RAC_' modelNum token fallback in for_device_by_model (unlike issue #38's TP1X board, which self-reports oneUiVersion)."
+  },
+  "device0": [
+    {
+      "rt": [
+        "x.com.samsung.devcol",
+        "oic.wk.col"
+      ],
+      "if": [
+        "oic.if.baseline",
+        "oic.if.ll",
+        "oic.if.b"
+      ]
+    },
+    {
+      "href": "/alarms/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Alarm",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "ErrorCode_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-22T12:42:46",
+            "x.com.samsung.da.state": "Deleted"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.description": "Alarm",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "FilterAlarm_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-22T12:42:46",
+            "x.com.samsung.da.state": "Deleted"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/availablecontrolsets/vs/0",
+      "rep": {
+        "x.com.samsung.da.sets": "000000A0012C01610249040F0000",
+        "x.com.samsung.da.id": "RAC",
+        "x.com.samsung.da.version": "1.0"
+      }
+    },
+    {
+      "href": "/configuration/vs/0",
+      "rep": {
+        "x.com.samsung.da.region": "0000000000",
+        "x.com.samsung.da.airconOptionList": [
+          "SingleCommand_1",
+          "HOMECARE_WIZARD_V2",
+          "PRODUCT_GLOBAL",
+          "AI_RAC_GLOBAL_HEATPUMP_3.0",
+          "AI_3.0",
+          "Auto_To_AI",
+          "AI_Heat"
+        ]
+      }
+    },
+    {
+      "href": "/energy/consumption/0",
+      "rep": {
+        "power": 0.0
+      }
+    },
+    {
+      "href": "/energy/consumption/vs/0",
+      "rep": {
+        "x.com.samsung.da.instantaneousPower": "0.000000",
+        "x.com.samsung.da.cumulativePower": "717060",
+        "x.com.samsung.da.cumulativeUnit": "Wh",
+        "x.com.samsung.da.cumulativePowerType": "total",
+        "x.com.samsung.da.instantaneousPowerUnit": "W"
+      }
+    },
+    {
+      "href": "/file/information/vs/0",
+      "rep": {
+        "x.com.samsung.timeoffset": "+03:00",
+        "x.com.samsung.supprtedtype": 1
+      }
+    },
+    {
+      "href": "/filter/airdustfilter/vs/0",
+      "rep": {
+        "x.com.samsung.da.filterUsage": "39",
+        "x.com.samsung.da.filterUsageResolution": "1",
+        "x.com.samsung.da.filterDesiredUsage": "500",
+        "x.com.samsung.da.filterStatus": "normal",
+        "x.com.samsung.da.filterCapacity": "500",
+        "x.com.samsung.da.filterCapacityUnit": "Hour",
+        "x.com.samsung.da.filterResetType": [
+          "replaceable",
+          "washable"
+        ]
+      }
+    },
+    {
+      "href": "/humidity/vs/0",
+      "rep": {
+        "x.com.samsung.da.humidity": "0",
+        "x.com.samsung.da.fivepercentHumidity": "43"
+      }
+    },
+    {
+      "href": "/information/vs/0",
+      "rep": {
+        "x.com.samsung.da.modelNum": "TP2X_RAC_20K|10229641|60010523001511014600003200800000",
+        "x.com.samsung.da.description": "TP2X_RAC_20K",
+        "x.com.samsung.da.serialNum": "**REDACTED**",
+        "x.com.samsung.da.otnDUID": "**REDACTED**",
+        "x.com.samsung.da.diagProtocolType": "WIFI_HTTPS",
+        "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": "010",
+        "x.com.samsung.da.diagMinVersion": "1.0",
+        "x.com.samsung.da.serialNumOption": "**REDACTED**",
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Software",
+            "x.com.samsung.da.number": "02273A260324",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.number": "102296A23012700",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "2",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/keepnormalstate/vs/0",
+      "rep": {
+        "x.com.samsung.da.keepnormal": 0
+      }
+    },
+    {
+      "href": "/mode/convenient/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "Off",
+        "x.com.samsung.da.supportedModes": [
+          "Off",
+          "Sleep",
+          "Quiet",
+          "Smart",
+          "Speed",
+          "MotionIndirect",
+          "MotionDirect",
+          "Nano",
+          "NanoSleep"
+        ]
+      }
+    },
+    {
+      "href": "/mode/vs/0",
+      "rep": {
+        "x.com.samsung.da.supportedModes": [
+          "Auto",
+          "Cool",
+          "Dry",
+          "Wind",
+          "Heat",
+          "HOMECARE_WIZARD_V2"
+        ],
+        "x.com.samsung.da.modes": [
+          "Cool"
+        ],
+        "x.com.samsung.da.options": [
+          "Sleep_16",
+          "ArtificialWorking_Off",
+          "ComfortAICooling_Off",
+          "MotionState_Normal",
+          "AiTempChanged_Off",
+          "AiTemp_240",
+          "OutdoorTemp_85",
+          "CoolCapa_35",
+          "WarmCapa_35",
+          "Light_Off",
+          "Volume_100",
+          "StopAutoClean_Idle",
+          "Autoclean_Off",
+          "DiagnosisAI_Off",
+          "ProgressDiagnosisAI_1",
+          "ResultDiagnosisAI_Normal",
+          "MotionMode_PowerSave",
+          "OptionCode_56376",
+          "ExtendOptionCode_230157",
+          "RacInfo_None",
+          "UpdateAllow_NotAllowed",
+          "DurationOn_50",
+          "WelcomeCoolingState_Off"
+        ]
+      }
+    },
+    {
+      "href": "/option/autoclean/vs/0",
+      "rep": {
+        "x.com.samsung.da.status": "Stop",
+        "x.com.samsung.da.settingStatus": "Off",
+        "x.com.samsung.da.progress": "0",
+        "x.com.samsung.da.supportedStatus": [
+          "Start",
+          "Stop"
+        ],
+        "x.com.samsung.da.supportedSettingStatus": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/option/muteonce/vs/0",
+      "rep": {
+        "muteonce": "Off"
+      }
+    },
+    {
+      "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": "noHistory",
+        "otnList": [
+          {
+            "type": "WIFI",
+            "modelId": "TP2X_RAC_20K",
+            "versions": [
+              "11260324"
+            ],
+            "visVersion": "260324"
+          },
+          {
+            "type": "Micom",
+            "modelId": "045210229641FFFFFFFF",
+            "versions": [
+              "23012700",
+              "FFFFFFFF"
+            ],
+            "visVersion": "230127"
+          },
+          {
+            "type": "Micom",
+            "modelId": "04521022954110229941",
+            "versions": [
+              "21092700",
+              "10000300"
+            ],
+            "visVersion": "210927"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/personality/presence/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "",
+            "x.com.samsung.da.deviceId": "**REDACTED**",
+            "x.com.samsung.da.value": ""
+          }
+        ]
+      }
+    },
+    {
+      "href": "/power/0",
+      "rep": {
+        "value": false
+      }
+    },
+    {
+      "href": "/power/vs/0",
+      "rep": {
+        "x.com.samsung.da.power": "Off"
+      }
+    },
+    {
+      "href": "/realtimenotiforclient/vs/0",
+      "rep": {
+        "x.com.samsung.da.timeforshortnoti": "0",
+        "x.com.samsung.da.longnotisubscription": "false",
+        "x.com.samsung.da.periodicnotisubscription": "true"
+      }
+    },
+    {
+      "href": "/sensors/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/temperature/control/vs/0",
+      "rep": {
+        "x.com.samsung.da.increment": "1"
+      }
+    },
+    {
+      "href": "/temperatures/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Temperature",
+            "x.com.samsung.da.desired": "22.0",
+            "x.com.samsung.da.current": "26.0",
+            "x.com.samsung.da.maximum": "30",
+            "x.com.samsung.da.minimum": "16",
+            "x.com.samsung.da.increment": "1.0",
+            "x.com.samsung.da.unit": "Celsius"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/timezone/vs/0",
+      "rep": {
+        "timezoneid": "Asia/Amman",
+        "offset": "+03:00",
+        "DST": "OFF"
+      }
+    },
+    {
+      "href": "/wind/direction/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "Left_And_Right",
+        "x.com.samsung.da.supportedModes": [
+          "Fix",
+          "All",
+          "Up_And_Low",
+          "Left_And_Right"
+        ]
+      }
+    },
+    {
+      "href": "/wind/strength/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "2",
+        "x.com.samsung.da.supportedModes": [
+          "0",
+          "1",
+          "2",
+          "3",
+          "4"
+        ],
+        "x.com.samsung.da.modesName": [
+          "Auto",
+          "Low",
+          "Mid",
+          "High",
+          "Turbo"
+        ]
+      }
+    }
+  ]
+}

tests/fixtures/golden/airconditioner_tp1x_da_ac_rac_01011.json

@@ -0,0 +1,18 @@
+{
+  "state_keys": [
+    "air_filter_status",
+    "air_filter_usage",
+    "air_purify",
+    "alarm_code",
+    "auto_clean",
+    "climate",
+    "display_light",
+    "energy_kwh",
+    "energy_saved_kwh",
+    "firmware_update",
+    "mute_once",
+    "selfcheck_error",
+    "selfcheck_result",
+    "selfcheck_status"
+  ]
+}

tests/fixtures/golden/airconditioner_tp1x_rac.json

@@ -0,0 +1,20 @@
+{
+  "state_keys": [
+    "air_filter_status",
+    "air_filter_usage",
+    "air_purify",
+    "alarm_code",
+    "auto_clean",
+    "climate",
+    "current_limit_enabled",
+    "current_limit_level",
+    "display_light",
+    "energy_kwh",
+    "energy_saved_kwh",
+    "firmware_update",
+    "mute_once",
+    "selfcheck_error",
+    "selfcheck_result",
+    "selfcheck_status"
+  ]
+}

tests/fixtures/golden/airconditioner_tp2x_rac_20k.json

@@ -0,0 +1,13 @@
+{
+  "state_keys": [
+    "air_filter_status",
+    "air_filter_usage",
+    "alarm_code",
+    "auto_clean",
+    "climate",
+    "energy_kwh",
+    "firmware_update",
+    "mute_once",
+    "power_watts"
+  ]
+}

tests/fixtures/golden/refrigerator.json

@@ -1,5 +1,6 @@
 {
   "state_keys": [
+    "ai_energy_level",
     "alarm_code",
     "auto_door_opener",
     "autofill",
@@ -39,11 +40,13 @@
     "rapid_freezing",
     "rapid_fridge",
     "sabbath_mode",
+    "selfcheck_error",
     "selfcheck_result",
     "selfcheck_status",
     "welcome_lighting"
   ],
   "discovery_unique_ids": [
+    "samsung_refrigerator_ai_energy_level",
     "samsung_refrigerator_alarm_code",
     "samsung_refrigerator_auto_door_opener",
     "samsung_refrigerator_autofill",
@@ -83,6 +86,7 @@
     "samsung_refrigerator_rapid_freezing",
     "samsung_refrigerator_rapid_fridge",
     "samsung_refrigerator_sabbath_mode",
+    "samsung_refrigerator_selfcheck_error",
     "samsung_refrigerator_selfcheck_result",
     "samsung_refrigerator_selfcheck_start",
     "samsung_refrigerator_selfcheck_status",

tests/fixtures/golden/refrigerator_tp1x_ref_21k_us.json

@@ -28,6 +28,7 @@
     "rapid_freezing",
     "rapid_fridge",
     "sabbath_mode",
+    "selfcheck_error",
     "selfcheck_result",
     "selfcheck_status"
   ]

tests/fixtures/refrigerator_device.json

@@ -279,7 +279,8 @@
       "rep": {
         "aiLevel": "1",
         "supportedAiLevel": [
-          "1"
+          "1",
+          "2"
         ],
         "href": "/energy/ailevel/vs/0"
       }

tests/localthings/conftest.py

@@ -3,8 +3,10 @@ from __future__ import annotations
 
 import json
 from pathlib import Path
+from typing import Any
 from unittest.mock import patch
 
+import cbor2
 import pytest
 from pytest_homeassistant_custom_component.common import MockConfigEntry
 
@@ -150,12 +152,26 @@ class FakeObserveSession:
         self.subscribed: list[str] = []
         self.fail_hrefs: set[str] = set()
         self.closed = False
+        # When set to a rep dict, subscribe() immediately delivers that rep
+        # as an OBSERVE notification for the href — what a real device does
+        # when it answers a subscription with the current representation.
+        # `try_enter_observe_mode` clears its notified set before it
+        # subscribes, so this is the only way to deliver a notify that
+        # reliably counts: it lands synchronously via on_notification,
+        # after that clear and before the post-sleep fraction check — a
+        # notify raced in from another thread can be wiped by the clear
+        # (or arrive after the check) depending on scheduling. Set to
+        # None to model a device that answers subscriptions but never
+        # notifies.
+        self.notify_on_subscribe: dict[str, Any] | None = None
 
     def subscribe(self, path_segs):
         href = '/' + '/'.join(path_segs)
         if href in self.fail_hrefs:
             raise ConnectionError("subscribe failed")
         self.subscribed.append(href)
+        if self.notify_on_subscribe is not None and self.on_notification is not None:
+            self.on_notification(href, cbor2.dumps(self.notify_on_subscribe))
         return b'\x01'
 
     def refresh_observes(self, paths):

tests/localthings/test_coordinator.py

@@ -1,8 +1,6 @@
 """Tests for the LocalThingsCoordinator."""
 from __future__ import annotations
 
-import threading
-import time
 from datetime import timedelta
 from unittest.mock import AsyncMock, patch
 
@@ -260,21 +258,18 @@ async def test_enters_observe_mode_when_hot_warm_hrefs_notify(
     coordinator: LocalThingsCoordinator = hass.data[DOMAIN][mock_entry.entry_id]
     hrefs = coordinator._hot_hrefs + coordinator._warm_hrefs
 
-    # try_enter_observe_mode clears prior notifications as soon as it
-    # starts, so notifies must land *during* its grace-period sleep (same
-    # pattern test_observe.py uses), not before the call.
-    def _notify_during_grace_period():
-        time.sleep(0.005)
-        for href in hrefs:
-            fake.on_notification(href, cbor2.dumps({'notified': True}))
-
-    notifier = threading.Thread(target=_notify_during_grace_period, daemon=True)
-    notifier.start()
+    # try_enter_observe_mode clears prior notifications before it
+    # subscribes, then checks the notified fraction after the grace-period
+    # sleep — a notify counts as long as it arrives in that window, not
+    # specifically during the sleep itself. The fake session delivers one
+    # synchronously from subscribe() for every href it subscribes to (see
+    # FakeObserveSession.notify_on_subscribe in conftest.py), which lands
+    # it in that window by construction rather than by timing.
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
 
     assert entered is True
     assert coordinator._observe.mode == MODE_OBSERVE
@@ -300,18 +295,11 @@ async def test_reconnect_while_observe_mode_downgrades_to_poll(
 
     # Get the coordinator into observe mode the same way
     # test_enters_observe_mode_when_hot_warm_hrefs_notify does.
-    def _notify_during_grace_period():
-        time.sleep(0.005)
-        for href in hrefs:
-            fake.on_notification(href, cbor2.dumps({'notified': True}))
-
-    notifier = threading.Thread(target=_notify_during_grace_period, daemon=True)
-    notifier.start()
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
     assert entered is True
     assert coordinator.observe_mode == MODE_OBSERVE
 
@@ -324,12 +312,12 @@ async def test_reconnect_while_observe_mode_downgrades_to_poll(
 
     # Simulate the existing "poll failed, reconnecting" branch: _poll_once
     # fails once (triggering the reconnect/backoff path), then succeeds.
-    # No fresh notifies are supplied for the immediate resubscribe attempt
-    # this now triggers, so its grace period (shortened for tests by the
-    # `_fast_coordinator_timers` autouse fixture — see conftest.py) times
-    # out and mode stays 'poll' — this test only asserts the tear-down half of
-    # the fix; test_reconnect_from_observe_mode_resubscribes_immediately
-    # covers the successful-immediate-resubscribe half.
+    # The device stops notifying on subscribe, so the immediate resubscribe
+    # attempt this now triggers gets nothing back and mode stays 'poll' —
+    # this test only asserts the tear-down half of the fix;
+    # test_reconnect_from_observe_mode_resubscribes_immediately covers the
+    # successful-immediate-resubscribe half.
+    fake.notify_on_subscribe = None
     with (
         patch(
             'custom_components.localthings.coordinator.LocalThingsCoordinator._poll_once',
@@ -362,18 +350,11 @@ async def test_poll_timeout_skips_reconnect_when_push_is_healthy(
     coordinator: LocalThingsCoordinator = hass.data[DOMAIN][mock_entry.entry_id]
     hrefs = coordinator._hot_hrefs + coordinator._warm_hrefs
 
-    def _notify_during_grace_period():
-        time.sleep(0.005)
-        for href in hrefs:
-            fake.on_notification(href, cbor2.dumps({'notified': True}))
-
-    notifier = threading.Thread(target=_notify_during_grace_period, daemon=True)
-    notifier.start()
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
     assert entered is True
     assert coordinator.observe_mode == MODE_OBSERVE
 
@@ -408,18 +389,11 @@ async def test_poll_timeout_reconnects_after_consecutive_limit_even_with_push(
     coordinator: LocalThingsCoordinator = hass.data[DOMAIN][mock_entry.entry_id]
     hrefs = coordinator._hot_hrefs + coordinator._warm_hrefs
 
-    def _notify_during_grace_period():
-        time.sleep(0.005)
-        for href in hrefs:
-            fake.on_notification(href, cbor2.dumps({'notified': True}))
-
-    notifier = threading.Thread(target=_notify_during_grace_period, daemon=True)
-    notifier.start()
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
     assert entered is True
     assert coordinator.observe_mode == MODE_OBSERVE
 
@@ -441,7 +415,10 @@ async def test_poll_timeout_reconnects_after_consecutive_limit_even_with_push(
             assert coordinator.observe_mode == MODE_OBSERVE
 
     # The final consecutive timeout crosses the limit and triggers the
-    # existing reconnect path, which then succeeds and downgrades.
+    # existing reconnect path, which then succeeds and downgrades. The
+    # device stops notifying on subscribe, so the resubscribe attempt that
+    # follows the reconnect finds nothing and mode stays 'poll'.
+    fake.notify_on_subscribe = None
     with (
         patch(
             'custom_components.localthings.coordinator.LocalThingsCoordinator._poll_once',
@@ -473,18 +450,11 @@ async def test_poll_timeout_counter_resets_when_push_is_healthy_again(
     coordinator: LocalThingsCoordinator = hass.data[DOMAIN][mock_entry.entry_id]
     hrefs = coordinator._hot_hrefs + coordinator._warm_hrefs
 
-    def _notify_during_grace_period():
-        time.sleep(0.005)
-        for href in hrefs:
-            fake.on_notification(href, cbor2.dumps({'notified': True}))
-
-    notifier = threading.Thread(target=_notify_during_grace_period, daemon=True)
-    notifier.start()
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
     assert entered is True
     assert coordinator.observe_mode == MODE_OBSERVE
 
@@ -526,21 +496,11 @@ async def test_reconnect_from_observe_mode_resubscribes_immediately(
     coordinator: LocalThingsCoordinator = hass.data[DOMAIN][mock_entry.entry_id]
     hrefs = coordinator._hot_hrefs + coordinator._warm_hrefs
 
-    def _notify(delay: float = 0.005) -> threading.Thread:
-        def _run():
-            time.sleep(delay)
-            for href in hrefs:
-                fake.on_notification(href, cbor2.dumps({'notified': True}))
-        t = threading.Thread(target=_run, daemon=True)
-        t.start()
-        return t
-
-    notifier = _notify()
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
     assert entered is True
     assert coordinator.observe_mode == MODE_OBSERVE
 
@@ -563,10 +523,8 @@ async def test_reconnect_from_observe_mode_resubscribes_immediately(
             new=AsyncMock(),
         ),
     ):
-        notifier = _notify()
         await coordinator.async_request_refresh()
         await hass.async_block_till_done()
-        notifier.join()
 
     assert coordinator.observe_mode == MODE_OBSERVE
 
@@ -587,21 +545,11 @@ async def test_sweep_mismatch_never_downgrades_a_live_observe_session(
     hrefs = coordinator._hot_hrefs + coordinator._warm_hrefs
     assert len(hrefs) >= 2
 
-    def _notify(delay: float = 0.005) -> threading.Thread:
-        def _run():
-            time.sleep(delay)
-            for href in hrefs:
-                fake.on_notification(href, cbor2.dumps({'notified': True}))
-        t = threading.Thread(target=_run, daemon=True)
-        t.start()
-        return t
-
-    notifier = _notify()
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
     assert entered is True
     assert coordinator.observe_mode == MODE_OBSERVE
 
@@ -637,21 +585,11 @@ async def test_sweep_mismatch_forces_subpolls_on_a_live_observe_session(
     hrefs = coordinator._hot_hrefs + coordinator._warm_hrefs
     assert len(hrefs) >= 2
 
-    def _notify(delay: float = 0.005) -> threading.Thread:
-        def _run():
-            time.sleep(delay)
-            for href in hrefs:
-                fake.on_notification(href, cbor2.dumps({'notified': True}))
-        t = threading.Thread(target=_run, daemon=True)
-        t.start()
-        return t
-
-    notifier = _notify()
+    fake.notify_on_subscribe = {'notified': True}
     entered = await hass.async_add_executor_job(
         coordinator._observe.try_enter_observe_mode,
         fake, hrefs, 0.02, 0.8,
     )
-    notifier.join()
     assert entered is True
     assert coordinator.observe_mode == MODE_OBSERVE
 

tests/test_airconditioner_capabilities.py

@@ -6,7 +6,7 @@ climate entity itself lives in climate.py (imports homeassistant) and is not
 importable here -- consistent with how the other HA platform files are untested.
 """
 from custom_components.localthings.registry.adapter import flatten
-from custom_components.localthings.registry.by_type import for_device_by_model
+from custom_components.localthings.registry.by_type import for_device, for_device_by_model
 from custom_components.localthings.registry.capabilities import airconditioner
 from custom_components.localthings.registry.discovery import discover
 from custom_components.localthings.registry.entities import ClimateDesc
@@ -23,6 +23,22 @@ def _ac():
     return reg, resources
 
 
+def _resolve(name):
+    """Mirror the coordinator's detection order: oneUiVersion first, modelNum
+    fallback second (needed for issue #37's board, which reports neither
+    oneUiVersion nor a '_PRAC_' modelNum token)."""
+    resources = _load_device(name)
+    otn = resources.get('/otninformation/vs/0', {})
+    one_ui = otn.get('swVersionInfo', {}).get('oneUiVersion', '')
+    info = resources['/information/vs/0']
+    reg = for_device(one_ui) if one_ui else None
+    if reg is None:
+        reg = for_device_by_model(
+            info['x.com.samsung.da.modelNum'], info['x.com.samsung.da.description'],
+        )
+    return reg, resources
+
+
 def _bound():
     reg, resources = _ac()
     return discover(resources, reg.capabilities, reg.pattern_capabilities), resources
@@ -106,3 +122,114 @@ def test_climate_consumed_hrefs_declared_as_coverage():
         caps = reg.capabilities.get(href)
         assert caps, href
         assert all(c.entities == () for c in caps), href
+
+
+# ---------------------------------------------------------------------------
+# TP1X_DA-AC-RAC-01011 (oneUiVersion "7.0 Air conditioner", Tizen Lite) -- a
+# newer model class than the ARTIK051_PRAC dump above. It has no OCF-standard
+# /temperature/current+desired pair (temperature lives on the vendor
+# /temperatures/vs/0 items[] resource), exposes a /light/vs/0 display light, and
+# carries extra vendor housekeeping hrefs. Issue #17 for this class (PR #36).
+# ---------------------------------------------------------------------------
+
+def _ac_tp1x():
+    resources = _load_device('airconditioner_tp1x_da_ac_rac_01011')
+    one_ui = resources['/otninformation/vs/0']['swVersionInfo']['oneUiVersion']
+    return for_device(one_ui), resources
+
+
+def test_tp1x_resolves_to_airconditioner_registry():
+    reg, _ = _ac_tp1x()
+    assert reg is not None and reg.name == 'airconditioner'
+
+
+def test_tp1x_no_unbound_hrefs():
+    """Every resource in the TP1X dump binds or is covered -- including
+    /temperatures/vs/0, /light/vs/0 and the housekeeping hrefs absent from
+    the ARTIK051 dump. Clears the coverage-gap repair."""
+    reg, resources = _ac_tp1x()
+    unbound = []
+    discover(resources, reg.capabilities, reg.pattern_capabilities, log=unbound.append)
+    assert unbound == []
+
+
+def test_tp1x_display_light_switch_present():
+    """/light/vs/0 (mode On/Off) surfaces as the display-light switch."""
+    reg, resources = _ac_tp1x()
+    state = flatten(
+        discover(resources, reg.capabilities, reg.pattern_capabilities), resources)
+    assert state.get('display_light') is True  # device reports mode == 'On'
+
+
+def test_tp1x_vendor_temperature_and_light_covered():
+    """The vendor temperature resource (read by the climate entity) and the
+    display-light resource both resolve in the registry -- no gap."""
+    reg, _ = _ac_tp1x()
+    assert reg.capabilities.get('/temperatures/vs/0'), '/temperatures/vs/0'
+    assert reg.capabilities.get('/light/vs/0'), '/light/vs/0'
+
+
+def test_tp1x_climate_entity_is_bound():
+    """The composite climate entity still binds the primary /mode/vs/0."""
+    reg, resources = _ac_tp1x()
+    bound = discover(resources, reg.capabilities, reg.pattern_capabilities)
+    climate = [b for b in bound if isinstance(b.desc, ClimateDesc)]
+    assert len(climate) == 1 and climate[0].href == '/mode/vs/0'
+
+
+def test_tp2x_rac_20k_model_resolves_via_model_fallback():
+    """TP2X_RAC_20K (issue #37) reports no oneUiVersion and no '_PRAC_' token
+    -- resolved via the '_RAC_' modelNum fallback added for this device."""
+    reg, _ = _resolve('airconditioner_tp2x_rac_20k')
+    assert reg is not None and reg.name == 'airconditioner'
+
+
+def test_tp2x_rac_20k_no_unbound_hrefs():
+    reg, resources = _resolve('airconditioner_tp2x_rac_20k')
+    unbound = []
+    discover(resources, reg.capabilities, reg.pattern_capabilities, log=unbound.append)
+    assert unbound == []
+
+
+def test_tp1x_rac_model_resolves_via_one_ui_version():
+    """TP1X_DA-AC-RAC-01001_0000 (issue #38) self-reports oneUiVersion
+    '7.0 Air conditioner' -- resolved via for_device(), not the modelNum
+    fallback."""
+    reg, _ = _resolve('airconditioner_tp1x_rac')
+    assert reg is not None and reg.name == 'airconditioner'
+
+
+def test_tp1x_rac_no_unbound_hrefs():
+    reg, resources = _resolve('airconditioner_tp1x_rac')
+    unbound = []
+    discover(resources, reg.capabilities, reg.pattern_capabilities, log=unbound.append)
+    assert unbound == []
+
+
+def test_tp1x_rac_expected_state_keys_present():
+    reg, resources = _resolve('airconditioner_tp1x_rac')
+    bound = discover(resources, reg.capabilities, reg.pattern_capabilities)
+    state = flatten(bound, resources)
+    for key in ('climate', 'display_light', 'mute_once', 'selfcheck_status',
+                'selfcheck_result', 'current_limit_enabled', 'current_limit_level'):
+        assert key in state, key
+
+
+def test_mute_once_write_target():
+    write = airconditioner.MUTE_ONCE.entities[0].write_fn
+    assert write('On', {}) == (['option', 'muteonce', 'vs', '0'], {'muteonce': 'On'})
+    assert write('Off', {}) == (['option', 'muteonce', 'vs', '0'], {'muteonce': 'Off'})
+
+
+def test_display_light_write_target():
+    write = airconditioner.DISPLAY_LIGHT.entities[0].write_fn
+    assert write('On', {}) == (['light', 'vs', '0'], {'mode': 'On'})
+    assert write('Off', {}) == (['light', 'vs', '0'], {'mode': 'Off'})
+
+
+def test_current_limit_is_read_only():
+    """Meaning/write contract for the current-limit levels isn't confirmed
+    from the dump alone -- exposed as read-only diagnostic sensors rather
+    than a guessed writable control."""
+    for desc in airconditioner.CURRENT_LIMIT.entities:
+        assert getattr(desc, 'write_fn', None) is None

tests/test_climate_temperature_fallback.py

@@ -0,0 +1,38 @@
+"""Tests for the /temperatures/vs/0 fallback helper in climate.py (PR #36).
+
+`_temps_vs_item` is a pure module-level function (plain dict in, plain dict
+out) with no coordinator/entity dependency, so -- like select.py's `_display`
+in test_select_display.py -- it's testable directly even though the
+LocalThingsClimate entity itself needs a coordinator/hass fixture to
+exercise. This covers the actual fallback-selection logic that the
+registry-level "no unbound hrefs" tests in test_airconditioner_capabilities.py
+don't reach: TP1X-class firmware has no OCF-standard
+/temperature/current+desired pair, so current_temperature/target_temperature
+would silently be None without this fallback.
+"""
+from custom_components.localthings.climate import _temps_vs_item
+
+
+def test_temps_vs_item_returns_first_item():
+    rep = {
+        'x.com.samsung.da.items': [
+            {'x.com.samsung.da.current': '17.0', 'x.com.samsung.da.desired': '25.0'},
+        ],
+    }
+    assert _temps_vs_item(rep) == {
+        'x.com.samsung.da.current': '17.0', 'x.com.samsung.da.desired': '25.0',
+    }
+
+
+def test_temps_vs_item_empty_when_items_missing():
+    """OCF-pair devices don't populate /temperatures/vs/0's items at all --
+    callers must fall through to the OCF hrefs cleanly, not raise."""
+    assert _temps_vs_item({}) == {}
+
+
+def test_temps_vs_item_empty_when_items_is_empty_list():
+    assert _temps_vs_item({'x.com.samsung.da.items': []}) == {}
+
+
+def test_temps_vs_item_empty_when_items_entry_is_not_a_dict():
+    assert _temps_vs_item({'x.com.samsung.da.items': ['not-a-dict']}) == {}

tests/test_fridge_capabilities.py

@@ -171,6 +171,7 @@ class TestTp1xNativeDuplicateResources:
         assert 'ice_maker_enabled' not in state
         assert state['icemaker_one_enabled'] is True
         assert state['icemaker_two_enabled'] is True
+        assert state['selfcheck_error'] == 'DA_ERROR_NONE'
 
 
 class TestPantryZone:
@@ -228,3 +229,99 @@ class TestArtik051AndTp2xFixturesHaveCompleteCoverage:
         assert unbound == []
         state = flatten(bound, resources)
         assert state['flex_zone_mode'] == 'CV_FDR_BEVERAGE'
+
+
+class TestSelfCheckError:
+    """Self-check diagnostic error list -- surfaced on hardware that reports
+    x.com.samsung.da.error, joined into a single display string."""
+
+    def _desc(self):
+        return next(e for e in fridge.SELF_CHECK.entities if e.key == 'selfcheck_error')
+
+    def test_exists_when_field_present(self):
+        desc = self._desc()
+        assert desc.exists_fn({'x.com.samsung.da.error': ['DA_ERROR_NONE']}, {}) is True
+
+    def test_does_not_exist_when_field_absent(self):
+        desc = self._desc()
+        assert desc.exists_fn({'x.com.samsung.da.status': 'Ready'}, {}) is False
+
+    def test_exists_for_empty_stub_rep(self):
+        """An empty {} rep is /device/0's not-yet-fetched-stub carve-out --
+        must be included-for-now, same as ENERGY_METER's fields."""
+        desc = self._desc()
+        assert desc.exists_fn({}, {}) is True
+
+    def test_value_joins_list(self):
+        desc = self._desc()
+        assert desc.value_fn(['E1', 'E2']) == 'E1, E2'
+
+    def test_value_passes_through_scalar(self):
+        desc = self._desc()
+        assert desc.value_fn('DA_ERROR_NONE') == 'DA_ERROR_NONE'
+
+    def test_value_none_for_empty_list(self):
+        """An empty error list means no value to show -- None (unknown),
+        not an empty string."""
+        desc = self._desc()
+        assert desc.value_fn([]) is None
+
+
+class TestAiEnergyLevel:
+    """AI energy-saving level select on /energy/ailevel/vs/0 -- only
+    exposed when the device actually offers more than one level; hardware
+    that only ever reports a single supported level keeps this ignored
+    (see capabilities/ignored.py)."""
+
+    def test_href(self):
+        assert fridge.AI_ENERGY_LEVEL.href == '/energy/ailevel/vs/0'
+
+    def test_hidden_with_single_supported_level(self):
+        desc = fridge.AI_ENERGY_LEVEL.entities[0]
+        assert desc.exists_fn({'aiLevel': '1', 'supportedAiLevel': ['1']}, {}) is False
+
+    def test_shown_with_multiple_supported_levels(self):
+        desc = fridge.AI_ENERGY_LEVEL.entities[0]
+        assert desc.exists_fn(
+            {'aiLevel': '1', 'supportedAiLevel': ['1', '2']}, {}) is True
+
+    def test_exists_for_empty_stub_rep(self):
+        """An empty {} rep is /device/0's not-yet-fetched-stub carve-out --
+        must be included-for-now, same as ENERGY_METER's fields."""
+        desc = fridge.AI_ENERGY_LEVEL.entities[0]
+        assert desc.exists_fn({}, {}) is True
+
+    def test_hidden_when_supported_level_is_non_list_scalar(self):
+        """A stray scalar (e.g. a string) must not be len()-checked as if it
+        were a list -- a 5-char string would otherwise wrongly pass `> 1`."""
+        desc = fridge.AI_ENERGY_LEVEL.entities[0]
+        assert desc.exists_fn(
+            {'aiLevel': '1', 'supportedAiLevel': '12'}, {}) is False
+
+    def test_write(self):
+        desc = fridge.AI_ENERGY_LEVEL.entities[0]
+        path, body = desc.write_fn('2', {})
+        assert path == ['energy', 'ailevel', 'vs', '0']
+        assert body == {'aiLevel': '2'}
+
+    def test_synthetic_fixture_has_complete_coverage(self):
+        """refrigerator_device.json's supportedAiLevel was extended to two
+        entries (['1', '2']) specifically to exercise this select -- the
+        real captured TP1X_REF_21K_US dump only ever reports one entry, so
+        this capability is synthetic-fixture-only for now."""
+        from custom_components.localthings.registry.adapter import flatten
+        from custom_components.localthings.registry.by_type import refrigerator
+        from custom_components.localthings.registry.discovery import discover
+        from tests.conftest import _load_device
+
+        resources = _load_device('refrigerator')
+        unbound = []
+        bound = discover(
+            resources,
+            refrigerator.REGISTRY.capabilities,
+            refrigerator.REGISTRY.pattern_capabilities,
+            log=unbound.append,
+        )
+        assert unbound == []
+        state = flatten(bound, resources)
+        assert state['ai_energy_level'] == '1'

tests/test_golden_regression.py

@@ -153,6 +153,52 @@ def test_registry_reproduces_golden_state_keys_for_tp2x_ref_20k():
     )
 
 
+def test_registry_reproduces_golden_state_keys_for_ac_tp1x_da_ac_rac_01011():
+    """Newer AC firmware (Tizen Lite, oneUiVersion "7.0 Air conditioner"; model
+    TP1X_DA-AC-RAC-01011) reports temperature via the vendor /temperatures/vs/0
+    items[] resource and adds a /light/vs/0 display light, with extra vendor
+    housekeeping hrefs -- issue #17 for this model class (PR #36)."""
+    from tests.conftest import _load_device
+    resources = _load_device('airconditioner_tp1x_da_ac_rac_01011')
+    golden = json.loads(
+        (GOLDEN / 'airconditioner_tp1x_da_ac_rac_01011.json').read_text()
+    )
+    state_keys = _new_state_keys('airconditioner_tp1x_da_ac_rac_01011', 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_registry_reproduces_golden_state_keys_for_tp2x_rac_20k():
+    """TP2X_RAC_20K (issue #37) -- reports no oneUiVersion; resolved via the
+    '_RAC_' modelNum token fallback in for_device_by_model."""
+    from tests.conftest import _load_device
+    resources = _load_device('airconditioner_tp2x_rac_20k')
+    golden = json.loads((GOLDEN / 'airconditioner_tp2x_rac_20k.json').read_text())
+    state_keys = _new_state_keys('airconditioner_tp2x_rac_20k', 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_registry_reproduces_golden_state_keys_for_tp1x_rac():
+    """TP1X_DA-AC-RAC-01001_0000 (issue #38) -- fuller RAC board with display
+    light, self-check, mute-once, and a current-limit setting."""
+    from tests.conftest import _load_device
+    resources = _load_device('airconditioner_tp1x_rac')
+    golden = json.loads((GOLDEN / 'airconditioner_tp1x_rac.json').read_text())
+    state_keys = _new_state_keys('airconditioner_tp1x_rac', 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 = {