diff --git a/custom_components/jev/conversation.py b/custom_components/jev/conversation.py
index 66f4f95..3863b87 100644
--- a/custom_components/jev/conversation.py
+++ b/custom_components/jev/conversation.py
@@ -64,7 +64,14 @@
 )
 from .coordinator import JevRuntimeData
 from .entity import build_device_info
-from .interpret import NONE, Interpretation, build_questions, interpret, spoken_name
+from .interpret import (
+    ACTIONS,
+    NONE,
+    Interpretation,
+    build_questions,
+    interpret,
+    spoken_name,
+)
 from .payload import payload_bytes
 from .snapshot import HomeSnapshot, async_heard_in, async_snapshot
 
@@ -84,6 +91,7 @@
     "intent_failed": "Sorry, that did not work.",
     "already_on": "{name} is already on.",
     "already_off": "{name} is already off.",
+    "done": "Done.",
     "query_not_found": "I could not find that.",
     "budget_spent": (
         "Not enough of the daily token budget is left for that, so I cannot do it today."
@@ -460,12 +468,23 @@ async def _act(
             _LOGGER.error("intent %s failed: %s", decision.intent_type, err)
             return await self._speak(user_input, "intent_failed")
 
-        # Only a state question needs our lines, and loading them reads translations.
+        # Loading our lines reads translations, so only a reply without a sentence of
+        # its own loads them.
+        language = user_input.language or self.hass.config.language
         if intent_response.response_type is ha_intent.IntentResponseType.QUERY_ANSWER:
-            language = user_input.language or self.hass.config.language
             await _speak_the_answer(
                 self.hass, intent_response, language, await self._lines(language)
             )
+        elif (
+            intent_response.response_type is ha_intent.IntentResponseType.ACTION_DONE
+            and not intent_response.speech
+        ):
+            spoken = await _render_action_answer(
+                self.hass, intent_response, decision.intent_type, decision.slots, language
+            )
+            intent_response.async_set_speech(
+                spoken or (await self._lines(language))["done"]
+            )
         return conversation.ConversationResult(
             response=intent_response, conversation_id=user_input.conversation_id
         )
@@ -609,6 +628,9 @@ class _Shipped:
     state_answer: str | None
     writes_the_state_word: bool
     errors: Mapping[str, str]
+    # The sentences for each action intent, keyed by the response name the default
+    # agent's own sentence data picks.
+    action_answers: Mapping[str, Mapping[str, str]]
 
 
 # Read once per language, keyed by the language that was asked for rather than the
@@ -652,6 +674,16 @@ def _load_shipped(language: str) -> _Shipped | None:
             for key, text in responses.get("errors", {}).items()
             if isinstance(text, str) and text.strip()
         },
+        action_answers={
+            intent_type: {
+                key: text
+                for key, text in (
+                    responses.get("intents", {}).get(intent_type) or {}
+                ).items()
+                if isinstance(text, str) and text.strip()
+            }
+            for intent_type in ACTIONS.values()
+        },
     )
 
 
@@ -779,6 +811,107 @@ def spoken(state: State) -> _SpokenState:
     return ", ".join(parts) if parts else None
 
 
+# One kind of device across a room or the whole house. The names differ between
+# languages: English writes light_all and Polish lights_all.
+_AREA_RESPONSES = {"light": ("lights_area",), "fan": ("fans_area",)}
+_ALL_RESPONSES = {"light": ("light_all", "lights_all"), "fan": ("fan_all",)}
+
+_SLOT_REFERENCE = re.compile(r"slots\.(\w+)")
+
+
+def _response_keys(
+    intent_type: str, slots: Mapping[str, Any], domain: str | None
+) -> tuple[str, ...]:
+    """The response names to try, closest first, for what this command did.
+
+    The default agent reads the name from the sentence it matched. This agent has
+    no sentence, so it reads the same thing off the slots it sent.
+    """
+    if intent_type == "HassLightSet":
+        return ("brightness",)
+    kinds = slots.get("domain", {}).get("value") or []
+    kind = kinds[0] if len(kinds) == 1 else None
+    closest: tuple[str, ...]
+    if "area" in slots:
+        closest = _AREA_RESPONSES.get(kind or "", ())
+    elif slots.get("name", {}).get("value") == "all":
+        closest = _ALL_RESPONSES.get(kind or "", ())
+    elif domain is not None:
+        # A scene is activated rather than turned on, and German says "Licht
+        # eingeschaltet" for one light, where English has no sentence of its own.
+        closest = (domain,)
+    else:
+        closest = ()
+    return (*closest, "default")
+
+
+async def _render_action_answer(
+    hass: HomeAssistant,
+    response: ha_intent.IntentResponse,
+    intent_type: str | None,
+    slots: Mapping[str, Any],
+    language: str,
+) -> str | None:
+    """The sentence the default agent says after the same action, or None.
+
+    `async_handle` does the action and says nothing, and the Assist dialog shows no
+    reply at all for an empty one. The default agent's words come from the same
+    package as the state answers, written by the people who translate Assist.
+    None when the package has nothing that fits, and the agent says "Done." instead.
+    """
+    shipped = await _shipped(hass, language)
+    if shipped is None or intent_type is None:
+        return None
+    answers = shipped.action_answers.get(intent_type, {})
+    states = [*response.matched_states, *response.unmatched_states]
+    first = states[0] if states else None
+    # The name slot is the device's own name, as the model picked it. "all" is not a
+    # name to say back.
+    speech_slots = {
+        key: value["value"]
+        for key, value in slots.items()
+        if key in ("name", "area")
+        and isinstance(value.get("value"), str)
+        and value["value"] != "all"
+    } | response.speech_slots
+    for key in _response_keys(
+        intent_type, slots, first.domain if first is not None else None
+    ):
+        text = answers.get(key)
+        if text is None:
+            continue
+        # German says "{{ slots.name }} eingeschaltet". Rendered for a room, with no
+        # name to put there, that is a sentence that starts with a blank.
+        if any(name not in speech_slots for name in _SLOT_REFERENCE.findall(text)):
+            continue
+        try:
+            rendered = template.Template(text, hass).async_render(
+                {
+                    "slots": speech_slots,
+                    "state": template.TemplateState(hass, first) if first else None,
+                    "query": {
+                        "matched": [
+                            template.TemplateState(hass, state)
+                            for state in response.matched_states
+                        ],
+                        "unmatched": [
+                            template.TemplateState(hass, state)
+                            for state in response.unmatched_states
+                        ],
+                    },
+                },
+                parse_result=False,
+            )
+        except TemplateError as err:
+            _LOGGER.debug(
+                "the %s answer for %s did not render: %s", key, intent_type, err
+            )
+            continue
+        if sentence := " ".join(str(rendered).split()):
+            return sentence
+    return None
+
+
 async def _speak_the_answer(
     hass: HomeAssistant,
     response: ha_intent.IntentResponse,
diff --git a/custom_components/jev/strings.json b/custom_components/jev/strings.json
index 225b8ed..01dfa77 100644
--- a/custom_components/jev/strings.json
+++ b/custom_components/jev/strings.json
@@ -355,6 +355,7 @@
     "intent_failed": "Sorry, that did not work.",
     "already_on": "{name} is already on.",
     "already_off": "{name} is already off.",
+    "done": "Done.",
     "preview_alone": "Sent as its own request.",
     "preview_grouped": "Sent in one request together with: {others}.",
     "preview_cost": "Asked once for this preview: {tokens} input tokens, about ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/cs.json b/custom_components/jev/translations/cs.json
index e6a0434..ca4b399 100644
--- a/custom_components/jev/translations/cs.json
+++ b/custom_components/jev/translations/cs.json
@@ -355,6 +355,7 @@
     "intent_failed": "Promiňte, to se nepovedlo.",
     "already_on": "{name} už je zapnuto.",
     "already_off": "{name} už je vypnuto.",
+    "done": "Hotovo.",
     "preview_alone": "Odesláno jako vlastní požadavek.",
     "preview_grouped": "Odesláno v jednom požadavku spolu s: {others}.",
     "preview_cost": "Jednou dotázáno pro tento náhled: {tokens} vstupních tokenů, asi ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/da.json b/custom_components/jev/translations/da.json
index cc46bdd..aa61a98 100644
--- a/custom_components/jev/translations/da.json
+++ b/custom_components/jev/translations/da.json
@@ -355,6 +355,7 @@
     "intent_failed": "Beklager, det virkede ikke.",
     "already_on": "{name} er allerede tændt.",
     "already_off": "{name} er allerede slukket.",
+    "done": "Færdig.",
     "preview_alone": "Sendes som sin egen anmodning.",
     "preview_grouped": "Sendes i én anmodning sammen med: {others}.",
     "preview_cost": "Spurgt én gang til denne forhåndsvisning: {tokens} input-tokens, cirka ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/de.json b/custom_components/jev/translations/de.json
index 2caff68..9d67186 100644
--- a/custom_components/jev/translations/de.json
+++ b/custom_components/jev/translations/de.json
@@ -355,6 +355,7 @@
     "intent_failed": "Entschuldigung, das hat nicht geklappt.",
     "already_on": "{name} ist schon an.",
     "already_off": "{name} ist schon aus.",
+    "done": "Erledigt.",
     "preview_alone": "Geht als eigene Anfrage raus.",
     "preview_grouped": "Geht in einer Anfrage zusammen mit: {others}.",
     "preview_cost": "Einmal für diese Vorschau gefragt: {tokens} Eingabe-Tokens, etwa ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/en.json b/custom_components/jev/translations/en.json
index 225b8ed..01dfa77 100644
--- a/custom_components/jev/translations/en.json
+++ b/custom_components/jev/translations/en.json
@@ -355,6 +355,7 @@
     "intent_failed": "Sorry, that did not work.",
     "already_on": "{name} is already on.",
     "already_off": "{name} is already off.",
+    "done": "Done.",
     "preview_alone": "Sent as its own request.",
     "preview_grouped": "Sent in one request together with: {others}.",
     "preview_cost": "Asked once for this preview: {tokens} input tokens, about ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/es.json b/custom_components/jev/translations/es.json
index cc33721..21296a9 100644
--- a/custom_components/jev/translations/es.json
+++ b/custom_components/jev/translations/es.json
@@ -355,6 +355,7 @@
     "intent_failed": "Lo siento, eso no ha funcionado.",
     "already_on": "{name} ya está encendido.",
     "already_off": "{name} ya está apagado.",
+    "done": "Hecho.",
     "preview_alone": "Se envía en una solicitud propia.",
     "preview_grouped": "Se envía en una sola solicitud junto con: {others}.",
     "preview_cost": "Preguntado una vez para esta vista previa: {tokens} tokens de entrada, unos ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/fr.json b/custom_components/jev/translations/fr.json
index f19ba79..b62de08 100644
--- a/custom_components/jev/translations/fr.json
+++ b/custom_components/jev/translations/fr.json
@@ -355,6 +355,7 @@
     "intent_failed": "Désolé, cela n'a pas fonctionné.",
     "already_on": "{name} est déjà allumé.",
     "already_off": "{name} est déjà éteint.",
+    "done": "C'est fait.",
     "preview_alone": "Envoyée dans sa propre requête.",
     "preview_grouped": "Envoyée dans une seule requête avec : {others}.",
     "preview_cost": "Posée une fois pour cet aperçu : {tokens} jetons d'entrée, environ ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/it.json b/custom_components/jev/translations/it.json
index a5db6e8..7029509 100644
--- a/custom_components/jev/translations/it.json
+++ b/custom_components/jev/translations/it.json
@@ -355,6 +355,7 @@
     "intent_failed": "Scusa, non ha funzionato.",
     "already_on": "{name} è già acceso.",
     "already_off": "{name} è già spento.",
+    "done": "Fatto.",
     "preview_alone": "Inviata come richiesta a sé stante.",
     "preview_grouped": "Inviata in un'unica richiesta insieme a: {others}.",
     "preview_cost": "Chiesto una volta per questa anteprima: {tokens} token di input, circa ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/nl.json b/custom_components/jev/translations/nl.json
index 60c6d07..37a2210 100644
--- a/custom_components/jev/translations/nl.json
+++ b/custom_components/jev/translations/nl.json
@@ -355,6 +355,7 @@
     "intent_failed": "Sorry, dat is niet gelukt.",
     "already_on": "{name} staat al aan.",
     "already_off": "{name} staat al uit.",
+    "done": "Gedaan.",
     "preview_alone": "Gaat als eigen verzoek.",
     "preview_grouped": "Gaat in een verzoek samen met: {others}.",
     "preview_cost": "Een keer gevraagd voor deze controle: {tokens} invoertokens, ongeveer ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/pl.json b/custom_components/jev/translations/pl.json
index 41a9893..da0906f 100644
--- a/custom_components/jev/translations/pl.json
+++ b/custom_components/jev/translations/pl.json
@@ -355,6 +355,7 @@
     "intent_failed": "Przepraszam, to się nie udało.",
     "already_on": "{name} jest już włączone.",
     "already_off": "{name} jest już wyłączone.",
+    "done": "Gotowe.",
     "preview_alone": "Wysyłane jako osobne żądanie.",
     "preview_grouped": "Wysyłane w jednym żądaniu razem z: {others}.",
     "preview_cost": "Zapytano raz na potrzeby tego podglądu: {tokens} tokenów wejściowych, około ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/pt-BR.json b/custom_components/jev/translations/pt-BR.json
index 3e09e6c..d6c2299 100644
--- a/custom_components/jev/translations/pt-BR.json
+++ b/custom_components/jev/translations/pt-BR.json
@@ -355,6 +355,7 @@
     "intent_failed": "Desculpe, isso não funcionou.",
     "already_on": "{name} já está ligado.",
     "already_off": "{name} já está desligado.",
+    "done": "Pronto.",
     "preview_alone": "Enviada como requisição própria.",
     "preview_grouped": "Enviada em uma requisição junto com: {others}.",
     "preview_cost": "Perguntado uma vez para esta prévia: {tokens} tokens de entrada, cerca de ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/ru.json b/custom_components/jev/translations/ru.json
index ae78a40..e1cafc8 100644
--- a/custom_components/jev/translations/ru.json
+++ b/custom_components/jev/translations/ru.json
@@ -355,6 +355,7 @@
     "intent_failed": "Извините, не получилось.",
     "already_on": "{name} уже включён.",
     "already_off": "{name} уже выключен.",
+    "done": "Готово.",
     "preview_alone": "Отправляется отдельным запросом.",
     "preview_grouped": "Отправляется одним запросом вместе с: {others}.",
     "preview_cost": "Один вопрос для этого предпросмотра: {tokens} входных токенов, примерно ${cost}, {ms} мс.",
diff --git a/custom_components/jev/translations/sv.json b/custom_components/jev/translations/sv.json
index 9bac2b1..dca67c9 100644
--- a/custom_components/jev/translations/sv.json
+++ b/custom_components/jev/translations/sv.json
@@ -355,6 +355,7 @@
     "intent_failed": "Tyvärr, det gick inte.",
     "already_on": "{name} är redan på.",
     "already_off": "{name} är redan av.",
+    "done": "Klart.",
     "preview_alone": "Skickas som en egen förfrågan.",
     "preview_grouped": "Skickas i en förfrågan tillsammans med: {others}.",
     "preview_cost": "Frågade en gång för den här förhandsgranskningen: {tokens} indatatoken, ungefär ${cost}, {ms} ms.",
diff --git a/custom_components/jev/translations/zh-Hans.json b/custom_components/jev/translations/zh-Hans.json
index 17cfc9e..2d7150f 100644
--- a/custom_components/jev/translations/zh-Hans.json
+++ b/custom_components/jev/translations/zh-Hans.json
@@ -355,6 +355,7 @@
     "intent_failed": "抱歉，没有成功。",
     "already_on": "{name} 已经开着了。",
     "already_off": "{name} 已经关着了。",
+    "done": "好的，完成了。",
     "preview_alone": "作为单独的请求发送。",
     "preview_grouped": "与以下问题合并在一个请求中发送：{others}。",
     "preview_cost": "为本次预览提问一次：{tokens} 个输入令牌，约 ${cost}，{ms} 毫秒。",
diff --git a/site-docs/conversation.md b/site-docs/conversation.md
index b14103f..a62915c 100644
--- a/site-docs/conversation.md
+++ b/site-docs/conversation.md
@@ -41,6 +41,11 @@ A room command always carries the kinds of device the model was shown. Home
 Assistant otherwise acts on every exposed entity in the room, so "turn off the
 hallway" would reach a lock exposed there and unlock it.
 
+After an action it says the sentence Home Assistant's own agent says for the same
+command, in the pipeline's language, such as "Turned on the light". Those sentences
+come from Home Assistant's translations. Where they have none, as for a toggle, it
+says "Done."
+
 ## What it refuses
 
 | Case | What happens |
diff --git a/tests/test_conversation.py b/tests/test_conversation.py
index 8a1f83f..a1230ec 100644
--- a/tests/test_conversation.py
+++ b/tests/test_conversation.py
@@ -1407,6 +1407,84 @@ async def test_a_room_past_the_entity_cap_is_not_offered(hass, config_entry):
     assert snapshot.hidden_names == ["c"]
 
 
+_ENTITY = {}
+_AREA = {
+    "target_type": ChoiceAnswer(choice="area", probabilities={}, confidence=0.94),
+    "entity": ChoiceAnswer(choice="none_of_these", probabilities={}, confidence=0.9),
+    "area": ChoiceAnswer(choice="Office", probabilities={}, confidence=0.93),
+}
+_ALL = {
+    "target_type": ChoiceAnswer(choice="everything", probabilities={}, confidence=0.95),
+    "entity": ChoiceAnswer(choice="none_of_these", probabilities={}, confidence=0.9),
+}
+
+
+@pytest.mark.parametrize(
+    ("language", "service", "text", "answers"),
+    [
+        ("en", "turn_on", "turn on the kitchen light", _ENTITY),
+        ("en", "turn_off", "turn off the lights in the office", _AREA),
+        ("en", "turn_off", "turn off all the lights", _ALL),
+        ("nl", "turn_on", "zet de kitchen light aan", _ENTITY),
+        ("nl", "turn_off", "zet de lampen in de office uit", _AREA),
+        ("de", "turn_on", "schalte kitchen light ein", _ENTITY),
+        ("pl", "turn_off", "wyłącz światła w office", _AREA),
+    ],
+)
+async def test_an_action_says_what_the_default_agent_says(
+    hass, house, mock_client, language, service, text, answers
+):
+    """An action used to reply with no sentence, and the Assist dialog showed nothing.
+
+    The reference is the default agent itself, on a sentence it matches, for the
+    same command.
+    """
+    action = ChoiceAnswer(choice=service, probabilities={}, confidence=0.98)
+    mock_client.ask.return_value = build_response(**answer_set(action=action, **answers))
+    hass.services.async_register("light", service, lambda call: None)
+
+    ours = await converse(hass, text, language=language)
+    theirs = await converse(
+        hass, text, agent_id="conversation.home_assistant", language=language
+    )
+
+    spoken = ours.response.speech["plain"]["speech"]
+    assert spoken
+    assert spoken == theirs.response.speech["plain"]["speech"]
+
+
+@pytest.mark.parametrize(("language", "expected"), [("en", "Done."), ("nl", "Gedaan.")])
+async def test_an_action_with_no_sentence_of_its_own_says_done(
+    hass, house, mock_client, language, expected
+):
+    """home-assistant-intents writes nothing for a toggle."""
+    mock_client.ask.return_value = build_response(
+        **answer_set(
+            action=ChoiceAnswer(choice="toggle", probabilities={}, confidence=0.92)
+        )
+    )
+    hass.services.async_register("light", "toggle", lambda call: None)
+
+    result = await converse(hass, "flip the kitchen light", language=language)
+
+    assert result.response.speech["plain"]["speech"] == expected
+
+
+async def test_a_brightness_command_says_it_was_set(hass, house, mock_client):
+    mock_client.ask.return_value = build_response(
+        **answer_set(
+            action=ChoiceAnswer(
+                choice="set_brightness", probabilities={}, confidence=0.95
+            )
+        )
+    )
+    hass.services.async_register("light", "turn_on", lambda call: None)
+
+    result = await converse(hass, "set the kitchen light to 40%")
+
+    assert result.response.speech["plain"]["speech"] == "Brightness set"
+
+
 # --- asking which device ---