Update Healer Man server

src/game/romPriestScoutSaintsBlessingDamage.ts

@@ -0,0 +1,34 @@
+/** Current CoA Priest/Scout Saint's Blessing's conditional damage rider. */
+export const ROM_PRIEST_SCOUT_SAINTS_BLESSING_DAMAGE = Object.freeze({
+  passiveSpellId: 493_039,
+  targetHealthThreshold: 0.3,
+  damageBonus: 0.28,
+});
+
+export interface RomPriestScoutSaintsBlessingDamageContext {
+  readonly primaryClassId: string;
+  readonly secondaryClassId?: string;
+  readonly learnedPassiveSpellIds: readonly number[];
+  /** Target's current health divided by its maximum health at damage resolution. */
+  readonly targetHealthPercent: number;
+}
+
+/**
+ * Return the current CoA multiplier for a damage packet resolved against a
+ * living target below 30% maximum health. The caller should evaluate this at
+ * each damage event so the threshold follows the target's live health.
+ */
+export function romPriestScoutSaintsBlessingDamageMultiplier(
+  context: RomPriestScoutSaintsBlessingDamageContext,
+): number {
+  if (context.primaryClassId !== "rom-priest"
+    || context.secondaryClassId !== "rom-scout"
+    || !context.learnedPassiveSpellIds.includes(ROM_PRIEST_SCOUT_SAINTS_BLESSING_DAMAGE.passiveSpellId)
+    || !Number.isFinite(context.targetHealthPercent)
+    || context.targetHealthPercent <= 0
+    || context.targetHealthPercent >= ROM_PRIEST_SCOUT_SAINTS_BLESSING_DAMAGE.targetHealthThreshold) {
+    return 1;
+  }
+
+  return 1 + ROM_PRIEST_SCOUT_SAINTS_BLESSING_DAMAGE.damageBonus;
+}