api: make relay outputs hardware-profile aware

tests/fixtures/http_api/status_response.json

@@ -14,7 +14,12 @@
     "cycle_count": 3,
     "cell_count": 4,
     "ntc_count": 2,
-    "cell_voltages": [3.334, 3.333, 3.334, 3.333],
+    "cell_voltages": [
+      3.334,
+      3.333,
+      3.334,
+      3.333
+    ],
     "cell_min_voltage": 3.333,
     "cell_max_voltage": 3.334,
     "cell_delta_mv": 1,
@@ -36,14 +41,22 @@
       "name": "Aux Power",
       "pin": 16,
       "enabled": true,
-      "state": false
+      "state": false,
+      "role": "aux",
+      "hardware_channel": 1,
+      "hardware_profile": "generic_esp32_2ch_relay",
+      "available": true
     },
     {
       "id": "relay_2",
       "name": "Fridge",
       "pin": 17,
       "enabled": true,
-      "state": true
+      "state": true,
+      "role": "fridge",
+      "hardware_channel": 2,
+      "hardware_profile": "generic_esp32_2ch_relay",
+      "available": true
     }
   ],
   "vehicle": {
@@ -90,7 +103,11 @@
         "id": "relay_1",
         "name": "Aux Power",
         "pin": 16,
-        "enabled": true
+        "enabled": true,
+        "role": "aux",
+        "hardware_channel": 1,
+        "hardware_profile": "generic_esp32_2ch_relay",
+        "available": true
       }
     ],
     "bms": {
@@ -108,6 +125,10 @@
         "enabled": true,
         "weather": false
       }
-    ]
-  }
+    ],
+    "hardware_profile": "generic_esp32_2ch_relay",
+    "output_count": 2
+  },
+  "hardware_profile": "generic_esp32_2ch_relay",
+  "output_count": 2
 }