Add identifiers to device registry api output (#38427)

homeassistant/components/config/device_registry.py

@@ -73,6 +73,7 @@ def _entry_dict(entry):
         "sw_version": entry.sw_version,
         "entry_type": entry.entry_type,
         "id": entry.id,
+        "identifiers": list(entry.identifiers),
         "via_device_id": entry.via_device_id,
         "area_id": entry.area_id,
         "name_by_user": entry.name_by_user,

tests/components/config/test_device_registry.py

@@ -46,6 +46,7 @@ async def test_list_devices(hass, client, registry):
         {
             "config_entries": ["1234"],
             "connections": [["ethernet", "12:34:56:78:90:AB:CD:EF"]],
+            "identifiers": [["bridgeid", "0123"]],
             "manufacturer": "manufacturer",
             "model": "model",
             "name": None,
@@ -58,6 +59,7 @@ async def test_list_devices(hass, client, registry):
         {
             "config_entries": ["1234"],
             "connections": [],
+            "identifiers": [["bridgeid", "1234"]],
             "manufacturer": "manufacturer",
             "model": "model",
             "name": None,