feat: add seamless text and voice chat

tests/test_background_tasks.py

@@ -12,6 +12,7 @@ import pytest
 sys.path.insert(0, str(Path(__file__).parents[1] / "agent"))
 from task_registry import TaskRegistry  # noqa: E402
 from task_router import should_force_background_task  # noqa: E402
+from task_worker import TaskWorker  # noqa: E402
 
 
 @pytest.mark.parametrize(
@@ -46,6 +47,16 @@ def test_direct_requests_do_not_force_dispatch(utterance):
     assert not should_force_background_task(utterance)
 
 
+def test_deferred_task_answers_are_rejected():
+    assert TaskWorker._is_deferred_answer(
+        "I need to perform a more targeted search. Would you like me to continue?"
+    )
+    assert TaskWorker._is_deferred_answer("I can refine this if you'd like.")
+    assert not TaskWorker._is_deferred_answer(
+        "Reuters reports that the agreement was signed today, while the BBC says voting begins Monday."
+    )
+
+
 def test_task_event_directories_are_isolated(tmp_path):
     first = TaskRegistry(tmp_path / "room-one")
     second = TaskRegistry(tmp_path / "room-two")

tests/test_web_ui.py

@@ -12,12 +12,17 @@ def test_index_serves(client):
     assert "Hope" in body
     assert "livekit-client.umd.js" in body
     assert "app.js" in body
+    assert 'id="voiceModeBtn"' in body
+    assert 'id="textModeBtn"' in body
+    assert 'id="chatComposer"' in body
 
 
 def test_app_js_serves(client):
     resp = client.get("/app.js")
     assert resp.status_code == 200
     assert "LiveKitClient" in resp.text or "Room" in resp.text
+    assert 'topic: "lk.chat"' in resp.text
+    assert "sendModeMessage" in resp.text
 
 
 def test_style_css_serves(client):