Fall back to domain for conversation agents without title (#92014)

homeassistant/components/conversation/__init__.py

@@ -442,7 +442,7 @@ class AgentManager:
             agents.append(
                 AgentInfo(
                     id=agent_id,
-                    name=config_entry.title,
+                    name=config_entry.title or config_entry.domain,
                 )
             )
         return agents

tests/components/conversation/snapshots/test_init.ambr

@@ -17,6 +17,12 @@
     'name': 'Mock Title',
   })
 # ---
+# name: test_get_agent_info.3
+  dict({
+    'id': 'mock-entry',
+    'name': 'test',
+  })
+# ---
 # name: test_get_agent_list
   dict({
     'agents': list([

tests/components/conversation/test_init.py

@@ -1642,6 +1642,13 @@ async def test_get_agent_info(
     assert conversation.async_get_agent_info(hass, mock_agent.agent_id) == snapshot
     assert conversation.async_get_agent_info(hass, "not exist") is None
 
+    # Test the name when config entry title is empty
+    agent_entry = hass.config_entries.async_get_entry("mock-entry")
+    hass.config_entries.async_update_entry(agent_entry, title="")
+
+    agent_info = conversation.async_get_agent_info(hass)
+    assert agent_info == snapshot
+
 
 async def test_ws_get_agent_info(
     hass: HomeAssistant,