Implement too many changes to list

Assets/Scripts/Combat/RandomRoll.cs

@@ -0,0 +1,47 @@
+using System;
+
+namespace KernelPanic.Combat
+{
+    /// <summary>
+    /// Carries source data for combat rolls so later passives can bias the result.
+    /// </summary>
+    public readonly struct RollContext
+    {
+        public RollContext(CombatantState source)
+        {
+            Source = source;
+        }
+
+        public static RollContext None => new(null);
+        public CombatantState Source { get; }
+    }
+
+    /// <summary>
+    /// Single combat randomness chokepoint. Seeded from RunConfig.RunSeed during boot for reproducible runs.
+    /// </summary>
+    public static class RandomRoll
+    {
+        private static Random _random = new(0);
+
+        public static void Seed(int seed)
+        {
+            _random = new Random(seed);
+        }
+
+        public static int RollRange(int min, int max, RollContext context)
+        {
+            if (min > max)
+            {
+                (min, max) = (max, min);
+            }
+
+            // Mint's passive will flip this bool; no passive sets it in this scaffold.
+            if (context.Source != null && context.Source.forceMaxRolls)
+            {
+                return max;
+            }
+
+            return _random.Next(min, max + 1);
+        }
+    }
+}