feat: wire AgentLoop to DisplayAdapter and async permissions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/unit/test_agent_loop.py

@@ -21,6 +21,7 @@ from app.services.llm import LLMClient
 from app.services.permissions import PermissionsService
 from app.services.streaming import StreamHandler
 from app.tools.registry import ToolRegistry, create_default_registry
+from app.utils.display import DisplayAdapter
 
 
 @pytest.fixture
@@ -76,6 +77,11 @@ def permissions(config: AppConfig) -> PermissionsService:
     return PermissionsService(config.permissions)
 
 
+@pytest.fixture
+def display() -> MagicMock:
+    return MagicMock(spec=DisplayAdapter)
+
+
 @pytest.fixture
 def agent(
     config: AppConfig,
@@ -84,8 +90,9 @@ def agent(
     handler: MagicMock,
     registry: ToolRegistry,
     permissions: PermissionsService,
+    display: MagicMock,
 ) -> AgentLoop:
-    return AgentLoop(config, ctx, client, handler, registry, permissions)
+    return AgentLoop(config, ctx, client, handler, registry, permissions, display)
 
 
 def _make_text_message(content: str) -> Message: