Add "conversation" key to translations (#114887)

* Use translated trigger response

* Use conversation key instead

homeassistant/components/conversation/default_agent.py

@@ -269,20 +269,38 @@ class DefaultAgent(ConversationEntity):
                 for trigger_id, trigger_result in result.matched_triggers.items()
             ]
 
-            # Use last non-empty result as response.
+            # Use first non-empty result as response.
             #
             # There may be multiple copies of a trigger running when editing in
             # the UI, so it's critical that we filter out empty responses here.
             response_text: str | None = None
+            response_set_by_trigger = False
             for trigger_future in asyncio.as_completed(trigger_callbacks):
-                if trigger_response := await trigger_future:
+                trigger_response = await trigger_future
+                if trigger_response is None:
+                    continue
+
                 response_text = trigger_response
+                response_set_by_trigger = True
                 break
 
             # Convert to conversation result
             response = intent.IntentResponse(language=language)
             response.response_type = intent.IntentResponseType.ACTION_DONE
-            response.async_set_speech(response_text or "Done")
+
+            if response_set_by_trigger:
+                # Response was explicitly set to empty
+                response_text = response_text or ""
+            elif not response_text:
+                # Use translated acknowledgment for pipeline language
+                translations = await translation.async_get_translations(
+                    self.hass, language, DOMAIN, [DOMAIN]
+                )
+                response_text = translations.get(
+                    f"component.{DOMAIN}.agent.done", "Done"
+                )
+
+            response.async_set_speech(response_text)
 
             return ConversationResult(response=response)
 

homeassistant/components/conversation/strings.json

@@ -37,5 +37,10 @@
         }
       }
     }
+  },
+  "conversation": {
+    "agent": {
+      "done": "Done"
+    }
   }
 }

script/hassfest/translations.py

@@ -360,6 +360,11 @@ def gen_strings_schema(config: Config, integration: Integration) -> vol.Schema:
                 },
                 slug_validator=translation_key_validator,
             ),
+            vol.Optional("conversation"): {
+                vol.Required("agent"): {
+                    vol.Required("done"): translation_value_validator,
+                },
+            },
         }
     )
 

tests/components/conversation/test_trigger.py

@@ -104,6 +104,36 @@ async def test_response(hass: HomeAssistant, setup_comp) -> None:
     assert service_response["response"]["speech"]["plain"]["speech"] == response
 
 
+async def test_empty_response(hass: HomeAssistant, setup_comp) -> None:
+    """Test the conversation response action with an empty response."""
+    assert await async_setup_component(
+        hass,
+        "automation",
+        {
+            "automation": {
+                "trigger": {
+                    "platform": "conversation",
+                    "command": ["Open the pod bay door Hal"],
+                },
+                "action": {
+                    "set_conversation_response": "",
+                },
+            }
+        },
+    )
+
+    service_response = await hass.services.async_call(
+        "conversation",
+        "process",
+        {
+            "text": "Open the pod bay door Hal",
+        },
+        blocking=True,
+        return_response=True,
+    )
+    assert service_response["response"]["speech"]["plain"]["speech"] == ""
+
+
 async def test_response_same_sentence(hass: HomeAssistant, calls, setup_comp) -> None:
     """Test the conversation response action with multiple triggers using the same sentence."""
     assert await async_setup_component(