Identity
Implemented. Source: docs/device-management-module-architecture.md §1, §3, §5e, §6.0; fastapi-backend/core/deviceclaim.py, fastapi-backend/core/deviceregistry.py.
Ownership
Implemented. Source: docs/device-management-module-architecture.md §1, §3, §4, §5a-iii.
Device Authorization
Implemented. Source: docs/device-management-module-architecture.md §6.0, §6.0a, §6.1; fastapi-backend/core/device_authz.py.
Mosque Binding
Implemented. Source: docs/device-management-module-architecture.md §1, §5a-ii; fastapi-backend/api/v1/endpoints/my_devices.py.
Playback Entitlement
Implemented. Source: docs/device-management-module-architecture.md §6.0a, §6.1, §6.2, §6.3, §6.3a, §6.3b.
Device Lifecycle
Implemented. Source: docs/device-management-module-architecture.md §5a–§5d; fastapi-backend/core/device_registry.py (transition matrix matches the doc exactly, verified against source as of this writing).