feat: integrate OCI agent streaming and web voice client

tests/test_protocol.py

@@ -20,6 +20,7 @@ import pytest
 from pydantic import ValidationError
 from voice_assistant.audio.models import CANONICAL_AUDIO_FORMAT
 from voice_assistant.audio_gateway.app.protocol import (
+    AgentDelta,
     AgentResponse,
     AudioChunk,
     AudioStart,
@@ -38,6 +39,7 @@ from voice_assistant.audio_gateway.app.protocol import (
 )
 
 
+
 @pytest.mark.parametrize(
     ("model", "expected_type"),
     [
@@ -101,6 +103,7 @@ def test_session_ready_output():
         (TurnStarted, "turn.started"),
         (STTPartial, "stt.partial"),
         (STTFinal, "stt.final"),
+        (AgentDelta, "agent.delta"),
         (AgentResponse, "agent.response"),
         (TurnEnded, "turn.ended"),
         (Interrupted, "interrupted"),
@@ -115,7 +118,7 @@ def test_turn_output_event_types(
         "turn_id": 1,
     }
 
-    if model in (STTPartial, STTFinal, AgentResponse):
+    if model in (STTPartial, STTFinal, AgentDelta, AgentResponse):
         data["text"] = "test"
 
     event = model(**data)
@@ -168,3 +171,30 @@ def test_error_event_defaults():
     assert event.retryable is False
     assert event.details == {}
 
+
+def test_agent_delta_serialization():
+    event = AgentDelta(
+        session_id="session-1",
+        turn_id=7,
+        text=" mundo",
+    )
+
+    assert event.model_dump() == {
+        "type": "agent.delta",
+        "session_id": "session-1",
+        "turn_id": 7,
+        "text": " mundo",
+    }
+
+
+def test_agent_delta_rejects_wrong_type():
+    with pytest.raises(ValidationError):
+        AgentDelta.model_validate(
+            {
+                "type": "agent.response",
+                "session_id": "session-1",
+                "turn_id": 7,
+                "text": "Olá",
+            }
+        )
+