Add branding splash and simulator cycle timing

backend/tests/test_events.py

@@ -195,3 +195,23 @@ def test_simulator_debounce_noise_is_ignored(db_session: Session) -> None:
     assert result["scenario"] == "debounce_noise"
     assert len(result["events"]) == 2
     assert cycles == []
+
+
+def test_simulator_passive_edge_uses_requested_real_cycle_time(db_session: Session) -> None:
+    machine = seed_running_machine(db_session)
+    machine.last_cycle_at = datetime(2026, 6, 14, 8, 0, tzinfo=timezone.utc)
+    db_session.commit()
+
+    result = run_simulator_scenario(
+        SimulatorScenarioCreate(
+            machine_id=machine.code,
+            scenario="cycle_signal_edge",
+            cycle_time_sec=12,
+        ),
+        db_session,
+    )
+
+    cycle = db_session.execute(select(Cycle).where(Cycle.machine_id == machine.id)).scalar_one()
+    assert result["scenario"] == "cycle_signal_edge"
+    assert len(result["events"]) == 2
+    assert cycle.cycle_time_sec == 12