feat: add fuel_cell profile

energy/fuel_cell.yml

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+blueprint_spec: profile/1.0
+
+display_name: Fuel Cell
+description: A profile for fuel cell modules that generate DC power from hydrogen.
+
+implements:
+  - lib.device.nameplate
+  - lib.energy.fuel_cell.electrical
+  - lib.energy.fuel_cell.status
+  - lib.energy.fuel_cell.thermal
+  - lib.energy.fuel_cell.pressure

energy/fuel_cell/industrial.yml

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+blueprint_spec: profile/1.0
+
+display_name: Industrial Fuel Cell
+description: A profile for industrial-grade fuel cell modules with advanced diagnostics and fault monitoring.
+
+implements:
+  - lib.device.nameplate
+  - lib.energy.fuel_cell.electrical
+  - lib.energy.fuel_cell.status
+  - lib.energy.fuel_cell.thermal
+  - lib.energy.fuel_cell.pressure
+  - lib.energy.fuel_cell.diagnostics

lib/energy/fuel_cell/diagnostics.yml

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+blueprint_spec: profile/1.0
+
+display_name: Fuel Cell Diagnostics
+description: Runtime diagnostics, fault monitoring, and service metrics for industrial fuel cell modules.
+
+telemetry:
+  run_hours:
+    display_name: Run Hours
+    type: float
+    unit: s
+    description: Cumulative operating time of the fuel cell.
+
+  total_run_energy:
+    display_name: Total Run Energy
+    type: float
+    unit: J
+    description: Cumulative energy produced by the fuel cell.
+
+  fault_flags_a:
+    display_name: Fault Flags A
+    type: integer
+    description: Fault flag register A containing error codes A01-A32.
+
+  fault_flags_b:
+    display_name: Fault Flags B
+    type: integer
+    description: Fault flag register B containing error codes B01-B32.
+
+  fault_flags_c:
+    display_name: Fault Flags C
+    type: integer
+    description: Fault flag register C containing error codes C01-C32.
+
+  fault_flags_d:
+    display_name: Fault Flags D
+    type: integer
+    description: Fault flag register D containing error codes D01-D07.

lib/energy/fuel_cell/electrical.yml

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+blueprint_spec: profile/1.0
+
+display_name: Fuel Cell Electrical Measurements
+description: Voltage, current, and power measurements for fuel cell modules.
+
+telemetry:
+  output_voltage:
+    display_name: Output Voltage
+    type: float
+    unit: V
+    description: Current DC voltage output of the fuel cell.
+
+  output_current:
+    display_name: Output Current
+    type: float
+    unit: A
+    description: Current DC current output of the fuel cell.
+
+  output_power:
+    display_name: Output Power
+    type: float
+    unit: W
+    description: Current DC power output of the fuel cell.

lib/energy/fuel_cell/nameplate.yml

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+blueprint_spec: profile/1.0
+
+display_name: Fuel Cell Nameplate Information
+description: Device nameplate information specific to fuel cells.
+
+properties:
+  vendor:
+    display_name: Vendor
+    type: string
+    description: Manufacturer of the fuel cell module.
+
+  model:
+    display_name: Model
+    type: string
+    description: Model name or number of the fuel cell module.
+
+  serial_number:
+    display_name: Serial Number
+    type: string
+    description: Unique serial number of the fuel cell module.
+
+  fw_ver:
+    display_name: Firmware Version
+    type: string
+    description: Firmware version of the fuel cell module.

lib/energy/fuel_cell/pressure.yml

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+blueprint_spec: profile/1.0
+
+display_name: Fuel Cell Pressure Monitoring
+description: Pressure measurements for fuel cell hydrogen supply.
+
+telemetry:
+  anode_pressure:
+    display_name: Anode Pressure
+    type: float
+    unit: mbar
+    description: Current pressure at the fuel cell anode (hydrogen inlet).

lib/energy/fuel_cell/status.yml

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+blueprint_spec: profile/1.0
+
+display_name: Fuel Cell Status
+description: Operating status for fuel cell modules.
+
+telemetry:
+  status:
+    display_name: Status
+    type: string
+    description: Current operational status of the fuel cell
+    enum:
+      "on":
+        display_name: "On"
+        description: Fuel cell is powered on
+      "off":
+        display_name: "Off"
+        description: Fuel cell is powered off
+      inactive:
+        display_name: Inactive
+        description: Fuel cell is inactive/idle
+      steady:
+        display_name: Steady
+        description: Fuel cell is in steady-state operation
+      run:
+        display_name: Run
+        description: Fuel cell is actively running
+      fault:
+        display_name: Fault
+        description: Fuel cell has detected a fault condition
+      error:
+        display_name: Error
+        description: Fuel cell is in an error state
+
+  powered:
+    display_name: Powered
+    type: boolean
+    description: Whether the fuel cell power output is enabled.
+
+  started:
+    display_name: Started
+    type: boolean
+    description: Whether the fuel cell has been started.

lib/energy/fuel_cell/thermal.yml

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+blueprint_spec: profile/1.0
+
+display_name: Fuel Cell Thermal Monitoring
+description: Temperature measurements for fuel cell inlet and outlet.
+
+telemetry:
+  inlet_temp:
+    display_name: Inlet Temperature
+    type: float
+    unit: Cel
+    description: Temperature of the coolant/reactant at the fuel cell inlet.
+
+  outlet_temp:
+    display_name: Outlet Temperature
+    type: float
+    unit: Cel
+    description: Temperature of the coolant/reactant at the fuel cell outlet.