test(core): интеграция Settings/Power на session-шине (#[ignore])

Settings round-trip + Changed; Power state + fake-ACC AccChanged — на живой D-Bus.
just test-integration (dbus-run-session). #[ignore] → just ci (unit) не требует шины.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: Alexander <akotenev2003@gmail.com>

crates/core/shturman-power/Cargo.toml

@@ -19,4 +19,5 @@ tracing.workspace = true
 
 [dev-dependencies]
 tempfile.workspace = true
+futures-util.workspace = true
 shturman-sdk = { path = "../../shturman-sdk" }

crates/core/shturman-power/tests/integration.rs

@@ -0,0 +1,50 @@
+//! Интеграция `Power1` + dev-mock на session-шине. `#[ignore]` — запуск: `just test-integration`.
+//! Проверяет state по шине и fake-ACC: `dev.PowerMock1.SetAcc` → сигнал `Power1.AccChanged`.
+
+use futures_util::StreamExt;
+use shturman_ipc::types::PowerState;
+use shturman_power::PowerService;
+use shturman_sdk::PowerClient;
+
+#[tokio::test]
+#[ignore = "нужна session-шина: just test-integration"]
+async fn power_state_and_fake_acc() {
+    let svc = PowerService::new();
+    let mock = svc.mock();
+
+    // сервер: Power1 + dev.PowerMock1 на одном пути (владеет ru.shturman.Power)
+    let server = zbus::Connection::session().await.unwrap();
+    server
+        .object_server()
+        .at("/ru/shturman/Power", svc)
+        .await
+        .unwrap();
+    server
+        .object_server()
+        .at("/ru/shturman/Power", mock)
+        .await
+        .unwrap();
+    server.request_name("ru.shturman.Power").await.unwrap();
+
+    let client_conn = zbus::Connection::session().await.unwrap();
+    let power = PowerClient::new(&client_conn).await.unwrap();
+    assert_eq!(power.power_state().await.unwrap(), PowerState::Running);
+
+    // подписка на AccChanged
+    let mut acc = power.proxy().receive_acc_changed().await.unwrap();
+
+    // dev.PowerMock1.SetAcc(false) сырым D-Bus-вызовом
+    client_conn
+        .call_method(
+            Some("ru.shturman.Power"),
+            "/ru/shturman/Power",
+            Some("ru.shturman.dev.PowerMock1"),
+            "SetAcc",
+            &(false,),
+        )
+        .await
+        .unwrap();
+
+    let sig = acc.next().await.unwrap();
+    assert!(!sig.args().unwrap().on());
+}