update spirit

assets/scripts/logic/BossController.ts

@@ -65,8 +65,12 @@ export class BossController {
         if (!this.butterflyRevealed) return [];
         if (this.killed) return [];
         const out: BossOutcomeEvent[] = [];
+
         this.hp = Math.max(0, this.hp - 1);
-        out.push(...this.checkPhaseTransition(), ...this.checkPrincessCutscene());
+        // Check phase transition AFTER decrementing HP so the ratio
+        // reflects the new HP (e.g. 3→2 = 2/3).
+        const hpRatio = this.hp / this.cfg.hp;
+        out.push(...this.checkPhaseTransitionAtRatio(hpRatio), ...this.checkPrincessCutscene());
         if (this.hp === 0) {
             this.killed = true;
             out.push({ kind: 'boss_killed' });
@@ -76,8 +80,7 @@ export class BossController {
 
     // --------------------------------------------------------------------
 
-    private checkPhaseTransition(): BossOutcomeEvent[] {
-        const hpRatio = this.hp / this.cfg.hp;
+    private checkPhaseTransitionAtRatio(hpRatio: number): BossOutcomeEvent[] {
         for (let i = this.phaseIndex + 1; i < this.cfg.phases.length; i++) {
             if (hpRatio <= this.cfg.phases[i].hpThreshold) {
                 this.phaseIndex = i;