Clarify generator control and turbine status

src/reactor_sim/dashboard.py

@@ -394,7 +394,6 @@ class ReactorDashboard:
             "Turbine / Grid",
             [
                 ("Turbines", " ".join(self._turbine_status_lines())),
-                ("Turbine Ctrl", "MANUAL"),
                 ("Unit1 Elec", f"{state.turbines[0].electrical_output_mw:7.1f} MW" if state.turbines else "n/a"),
                 (
                     "Unit2 Elec",
@@ -544,6 +543,8 @@ class ReactorDashboard:
         if not state.generators:
             return [("Status", "n/a")]
         lines: list[tuple[str, str]] = []
+        control = "AUTO" if self.reactor.generator_auto else "MANUAL"
+        lines.append(("Control", control))
         for idx, gen in enumerate(state.generators):
             status = "RUN" if gen.running else "START" if gen.starting else "OFF"
             spool = f" spool {gen.spool_remaining:4.1f}s" if gen.starting else ""

src/reactor_sim/reactor.py

@@ -363,7 +363,9 @@ class Reactor:
             turbine_state = state.turbines[idx]
             if idx in active_indices:
                 turbine.step(state.secondary_loop, turbine_state, steam_power_mw=power_per_unit, dt=dt)
-                if turbine_state.electrical_output_mw < max(1.0, power_per_unit * 0.7):
+                if power_per_unit <= 0.0 and turbine_state.electrical_output_mw < 0.1:
+                    turbine_state.status = "OFF"
+                elif turbine_state.electrical_output_mw < max(0.5, power_per_unit * 0.5):
                     turbine_state.status = "STARTING"
                 else:
                     turbine_state.status = "RUN"