feat: Add MultiplyBySkillNonIgnorableCooldown modifier and fix SkillDamage reference

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: justjuangui

src/lib/context/affix-converters/variable-modifiers.ts

@@ -49,7 +49,7 @@ export const VARIABLE_MODIFIER_STAT_MAP: Record<
   },
   MultiplyBySkillDamage: {
     modifier: "MultiplyBySkillDamage",
-    statReference: "SkillDamage",
+    statReference: "{skill}DamageModifier",
     operation: "multiply",
   },
   MultiplyByStatusStacks: {
@@ -77,6 +77,11 @@ export const VARIABLE_MODIFIER_STAT_MAP: Record<
     statReference: "Barrier",
     operation: "multiply",
   },
+  MultiplyBySkillNonIgnorableCooldown: {
+    modifier: "MultiplyBySkillNonIgnorableCooldown",
+    statReference: "{skill}NonIgnorableCooldown",
+    operation: "multiply",
+  },
 };
 
 /**