Fix FastAPI index rendering

Use the current TemplateResponse signature and cover the live controls page.

importarr/main.py

@@ -55,7 +55,7 @@ def health() -> dict[str, str]:
 
 @app.get("/", response_class=HTMLResponse)
 def index(request: Request) -> HTMLResponse:
-    return templates.TemplateResponse("index.html", {"request": request, "status": status(), "batches": state.list_manual_batches()})
+    return templates.TemplateResponse(request, "index.html", {"status": status(), "batches": state.list_manual_batches()})
 
 
 @app.get("/api/status")

tests/test_status.py

@@ -18,3 +18,16 @@ def test_status_contains_service_configuration(tmp_path, monkeypatch):
     assert "movies_root" in payload
     assert "tv_root" in payload
     assert "auth_enabled" in payload
+
+
+def test_index_renders_queue_controls(tmp_path, monkeypatch):
+    monkeypatch.setenv("IMPORTARR_STATE_PATH", str(tmp_path / "state.db"))
+    import importarr.main as main
+
+    from fastapi.testclient import TestClient
+
+    response = TestClient(main.app).get("/")
+
+    assert response.status_code == 200
+    assert "Queue controls" in response.text
+    assert "cancel-current" in response.text