Add turbine throttle mapping and back-pressure penalty

src/reactor_sim/dashboard.py

@@ -435,6 +435,7 @@ class ReactorDashboard:
                     "Unit3 Elec",
                     f"{state.turbines[2].electrical_output_mw:7.1f} MW" if len(state.turbines) > 2 else "n/a",
                 ),
+                ("Throttle", f"{self.reactor.turbines[0].throttle:5.2f}" if self.reactor.turbines else "n/a"),
                 ("Electrical", f"{state.total_electrical_output():7.1f} MW"),
                 ("Load", f"{self._total_load_supplied(state):7.1f}/{self._total_load_demand(state):7.1f} MW"),
                 ("Consumer", f"{consumer_status}"),