Tu as raison, ça n’envoie que du 0x0202-MA-windowCovering
côté Matter pour tous mes devices 
Par contre on a plus d’info côté plugin matterbridge-somfy et c’est bien différencié.
Exemple volet roulant velux :
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] Device: Velux Bureau
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] - uniqueName RollerShutterVeluxIOComponent
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] - uiClass RollerShutter
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] - serial 612f437f-xxxx-xxxx-xxxx
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] - deviceURL io://xxxx-xxxx-xxxx/2602070
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] - commands [ 'addLockLevel', 'advancedRefresh', 'close', 'delayedStopIdentify', 'down', 'getName', 'identify', 'my', 'open', 'refreshMemorized1Position', 'removeLockLevel', 'resetLockLevels', 'setClosureAndLinearSpeed', 'setClosure', 'setDeployment', 'setMemorized1Position', 'setName', 'setPositionAndLinearSpeed', 'setPosition', 'setSecuredPosition', 'startIdentify', 'stop', 'stopIdentify', 'up', 'wink', 'pairOneWayController', 'setConfigState', 'unpairAllOneWayControllers', 'unpairOneWayController' ]
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] - states [ { name: 'core:NameState', type: 3, value: 'Velux Bureau' }, { name: 'core:PriorityLockTimerState', type: 1, value: 0 }, { name: 'core:CommandLockLevelsState', type: 3, value: '[]', lastUpdateTime: 1747209967000 }, { name: 'core:StatusState', type: 3, value: 'available' }, { name: 'core:DiscreteRSSILevelState', type: 3, value: 'normal' }, { name: 'core:RSSILevelState', type: 2, value: 62 }, { name: 'core:BatteryDiscreteLevelState', type: 3, value: 'good' }, { name: 'core:ClosureState', type: 1, value: 100 }, { name: 'core:OpenClosedState', type: 3, value: 'closed' }, { name: 'core:Memorized1PositionState', type: 1, value: 0 } ]
[23:12:22.667] [Matterbridge somfy tahoma plugin] [debug] - added with uiClass
[23:12:22.992] [Matterbridge somfy tahoma plugin] [debug] Adding device: Velux Bureau
[23:12:22.992] [Matterbridge somfy tahoma plugin] [debug] - uniqueName RollerShutterVeluxIOComponent
[23:12:22.992] [Matterbridge somfy tahoma plugin] [debug] - uiClass RollerShutter
[23:12:22.992] [Matterbridge somfy tahoma plugin] [debug] - serial 612f437f-xxxx-xxxx-xxxx
[23:12:22.992] [Matterbridge somfy tahoma plugin] [debug] - deviceURL io://xxxx-xxxx-xxxx/2602070
[23:12:22.992] [Matterbridge somfy tahoma plugin] [debug] - commands [ 'addLockLevel', 'advancedRefresh', 'close', 'delayedStopIdentify', 'down', 'getName', 'identify', 'my', 'open', 'refreshMemorized1Position', 'removeLockLevel', 'resetLockLevels', 'setClosureAndLinearSpeed', 'setClosure', 'setDeployment', 'setMemorized1Position', 'setName', 'setPositionAndLinearSpeed', 'setPosition', 'setSecuredPosition', 'startIdentify', 'stop', 'stopIdentify', 'up', 'wink', 'pairOneWayController', 'setConfigState', 'unpairAllOneWayControllers', 'unpairOneWayController' ]
[23:12:22.993] [Matterbridge somfy tahoma plugin] [debug] - states [ { name: 'core:NameState', type: 3, value: 'Velux Bureau' }, { name: 'core:PriorityLockTimerState', type: 1, value: 0 }, { name: 'core:CommandLockLevelsState', type: 3, value: '[]', lastUpdateTime: 1747209967000 }, { name: 'core:StatusState', type: 3, value: 'available' }, { name: 'core:DiscreteRSSILevelState', type: 3, value: 'normal' }, { name: 'core:RSSILevelState', type: 2, value: 62 }, { name: 'core:BatteryDiscreteLevelState', type: 3, value: 'good' }, { name: 'core:ClosureState', type: 1, value: 100 }, { name: 'core:OpenClosedState', type: 3, value: 'closed' }, { name: 'core:Memorized1PositionState', type: 1, value: 0 } ]
[23:12:23.007] [Matterbridge somfy tahoma plugin] [debug] - duration 30
[23:12:23.007] [Velux Bureau] [debug] new MatterbridgeEndpoint: 0x0202-MA-windowCovering id: Velux Bureau number: undefined taglist: undefined
[23:12:23.009] [Matterbridge] [debug] Adding bridged endpoint matterbridge-somfy-tahoma:Velux Bureau to Matterbridge aggregator node
[23:12:23.057] [Endpoint] [info] Matterbridge.Matterbridge.VeluxBureau ready endpoint#: 37 type: MA_windowCovering (0x202) behaviors: ✓descriptor 💤matterbridge ✓identify ✓groups ✓windowCovering ✓bridgedDeviceBasicInformation ✓powerSource
[23:12:23.108] [Matterbridge] [info] Subscribing attributes for endpoint Velux Bureau (VeluxBureau) plugin matterbridge-somfy-tahoma
[23:12:23.116] [Matterbridge] [info] Added and registered bridged endpoint (7/7) Velux Bureau (VeluxBureau) for plugin matterbridge-somfy-tahoma
Exemple store intérieur :
[23:12:22.671] [Matterbridge somfy tahoma plugin] [debug] Device: Velux Store
[23:12:22.671] [Matterbridge somfy tahoma plugin] [debug] - uniqueName VerticalInteriorBlindVeluxIOComponent
[23:12:22.672] [Matterbridge somfy tahoma plugin] [debug] - uiClass Screen
[23:12:22.672] [Matterbridge somfy tahoma plugin] [debug] - serial 04064452-xxxx-xxxx-xxxx
[23:12:22.672] [Matterbridge somfy tahoma plugin] [debug] - deviceURL io://xxxx-xxxx-xxxx/9733440
[23:12:22.672] [Matterbridge somfy tahoma plugin] [debug] - commands [ 'addLockLevel', 'advancedRefresh', 'close', 'delayedStopIdentify', 'down', 'getName', 'identify', 'my', 'open', 'refreshMemorized1Position', 'removeLockLevel', 'resetLockLevels', 'setClosure', 'setMemorized1Position', 'setName', 'setPosition', 'setSecuredPosition', 'startIdentify', 'stop', 'stopIdentify', 'up', 'wink', 'pairOneWayController', 'setConfigState', 'unpairAllOneWayControllers', 'unpairOneWayController' ]
[23:12:22.673] [Matterbridge somfy tahoma plugin] [debug] - states [ { name: 'core:NameState', type: 3, value: 'Velux Store' }, { name: 'core:PriorityLockTimerState', type: 1, value: 0 }, { name: 'core:CommandLockLevelsState', type: 3, value: '[]', lastUpdateTime: 1747209968000 }, { name: 'core:StatusState', type: 3, value: 'available' }, { name: 'core:DiscreteRSSILevelState', type: 3, value: 'normal' }, { name: 'core:RSSILevelState', type: 2, value: 80 }, { name: 'core:ClosureState', type: 1, value: 100 }, { name: 'core:OpenClosedState', type: 3, value: 'closed' } ]
[23:12:22.673] [Matterbridge somfy tahoma plugin] [debug] - added with uiClass
[23:12:23.184] [Matterbridge somfy tahoma plugin] [debug] Adding device: Velux Store
[23:12:23.184] [Matterbridge somfy tahoma plugin] [debug] - uniqueName VerticalInteriorBlindVeluxIOComponent
[23:12:23.184] [Matterbridge somfy tahoma plugin] [debug] - uiClass Screen
[23:12:23.184] [Matterbridge somfy tahoma plugin] [debug] - serial 04064452-xxxx-xxxx-xxxx
[23:12:23.184] [Matterbridge somfy tahoma plugin] [debug] - deviceURL io://xxxx-xxxx-xxxx/9733440
[23:12:23.185] [Matterbridge somfy tahoma plugin] [debug] - commands [ 'addLockLevel', 'advancedRefresh', 'close', 'delayedStopIdentify', 'down', 'getName', 'identify', 'my', 'open', 'refreshMemorized1Position', 'removeLockLevel', 'resetLockLevels', 'setClosure', 'setMemorized1Position', 'setName', 'setPosition', 'setSecuredPosition', 'startIdentify', 'stop', 'stopIdentify', 'up', 'wink', 'pairOneWayController', 'setConfigState', 'unpairAllOneWayControllers', 'unpairOneWayController' ]
[23:12:23.185] [Matterbridge somfy tahoma plugin] [debug] - states [ { name: 'core:NameState', type: 3, value: 'Velux Store' }, { name: 'core:PriorityLockTimerState', type: 1, value: 0 }, { name: 'core:CommandLockLevelsState', type: 3, value: '[]', lastUpdateTime: 1747209968000 }, { name: 'core:StatusState', type: 3, value: 'available' }, { name: 'core:DiscreteRSSILevelState', type: 3, value: 'normal' }, { name: 'core:RSSILevelState', type: 2, value: 80 }, { name: 'core:ClosureState', type: 1, value: 100 }, { name: 'core:OpenClosedState', type: 3, value: 'closed' } ]
[23:12:23.185] [Matterbridge somfy tahoma plugin] [debug] - duration 30
[23:12:23.185] [Velux Store] [debug] new MatterbridgeEndpoint: 0x0202-MA-windowCovering id: Velux Store number: undefined taglist: undefined
[23:12:23.189] [Matterbridge] [debug] Adding bridged endpoint matterbridge-somfy-tahoma:Velux Store to Matterbridge aggregator node
[23:12:23.199] [Endpoint] [info] Matterbridge.Matterbridge.VeluxStore ready endpoint#: 40 type: MA_windowCovering (0x202) behaviors: ✓descriptor 💤matterbridge ✓identify ✓groups ✓windowCovering ✓bridgedDeviceBasicInformation ✓powerSource
[23:12:23.221] [Matterbridge] [info] Subscribing attributes for endpoint Velux Store (VeluxStore) plugin matterbridge-somfy-tahoma
[23:12:23.221] [Matterbridge] [info] Added and registered bridged endpoint (10/10) Velux Store (VeluxStore) for plugin matterbridge-somfy-tahoma
Je vais regarder si je trouve des infos sur Matter pour la différenciation.