Add UI delivery presenters and event DTOs

tests/integration/test_http_app.py

@@ -30,6 +30,31 @@ def test_post_tasks_creates_planned_task() -> None:
     assert response.status_code == 200
     assert payload["status"] == "running"
     assert payload["progress"]["total"] == 2
+    assert any(card["type"] == "plan_card" for card in payload["cards"])
+    assert any(card["type"] == "progress_card" for card in payload["cards"])
+
+
+def test_chat_response_contains_ui_cards() -> None:
+    client = TestClient(app)
+
+    response = client.post(
+        "/chat",
+        json={
+            "project_id": "default",
+            "conversation_id": "conv_demo",
+            "message": "Build plan",
+            "attachments": [],
+            "mode": "auto",
+            "preferences": {"show_plan": True},
+        },
+    )
+
+    payload = response.json()
+
+    assert response.status_code == 200
+    assert payload["response_type"] == "task_started"
+    assert any(card["type"] == "plan_card" for card in payload["cards"])
+    assert any(card["type"] == "progress_card" for card in payload["cards"])
 
 
 def test_cancel_endpoint_marks_task_cancelled() -> None:
@@ -48,6 +73,7 @@ def test_cancel_endpoint_marks_task_cancelled() -> None:
 
     assert response.status_code == 200
     assert response.json()["status"] == "cancelled"
+    assert any(card["type"] == "error_card" for card in response.json()["cards"])
 
 
 def test_worker_registration_is_exposed_via_list_endpoint() -> None:
@@ -138,3 +164,23 @@ def test_worker_websocket_heartbeat_and_poll() -> None:
     assert heartbeat_ack["status"] in {"online", "busy"}
     assert commands["type"] == "commands"
     assert len(commands["commands"]) == 1
+
+
+def test_task_events_stream_returns_normalized_event_payload() -> None:
+    client = TestClient(app)
+    created = client.post(
+        "/tasks",
+        json={
+            "project_id": "default",
+            "goal": "Event check",
+            "inputs": {},
+            "execution_mode": "agent_graph",
+        },
+    ).json()
+
+    with client.stream("GET", f"/tasks/{created['task_id']}/events") as response:
+        body = response.read().decode()
+
+    assert response.status_code == 200
+    assert "event_type" in body
+    assert "progress_card_ref" in body or "task_planned" in body