A permanent spell settles 'for good' in the chronicle and the receipt, not for a billion turns

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Jm2auWk6RP71CjaAb4FMoG

packages/web/src/receipt.ts

@@ -3,7 +3,7 @@
 // engine's own events, so it explains what happened rather than what the
 // cards promise.
 
-import { cardDef, type GameEvent } from "@wizwar/engine";
+import { cardDef, isPermanentDuration, type GameEvent } from "@wizwar/engine";
 
 export interface Receipt {
   title: string;
@@ -75,7 +75,8 @@ export function receiptFor(batch: readonly GameEvent[], e: GameEvent): Receipt |
       : e.fullyStopped ? "nothing lands"
       : healed && healed.type === "lifeGained" ? `${healed.amount} heals ${e.defender} instead`
       : e.damageDealt > 0 ? `${e.damageDealt} lands on ${e.defender}`
-      : tookHold && tookHold.type === "spellSustained" ? `${card} takes hold of ${e.defender} for ${tookHold.turns} turn${tookHold.turns === 1 ? "" : "s"}`
+      : tookHold && tookHold.type === "spellSustained"
+        ? (isPermanentDuration(tookHold.turns) ? `${card} takes hold of ${e.defender} for good` : `${card} takes hold of ${e.defender} for ${tookHold.turns} turn${tookHold.turns === 1 ? "" : "s"}`)
       : "nothing to land",
     );
     lines.push(parts.join(" → "));