Add SCRAM matrix (DNB/subcool/SG limits) and clad split

src/reactor_sim/dashboard.py

@@ -761,6 +761,12 @@ class ReactorDashboard:
         if self.reactor.secondary_relief_open:
             reliefs.append("Secondary")
         lines.append(("Relief valves", ", ".join(reliefs) if reliefs else "Closed"))
+        lines.append(
+            (
+                "SCRAM trips",
+                "DNB<0.5 | Subcool<2K | SG lvl<5/>98% | SG P>15.2MPa",
+            )
+        )
         return lines
 
     def _steam_available_power(self, state: PlantState) -> float: