refactor: 收口公开详情封面解锁规则

src/components/platform-entry/platformPublicWorkDetailFlow.ts

@@ -4,6 +4,7 @@ import type {
   JumpHopGalleryCardResponse,
   JumpHopWorkProfileResponse,
 } from '../../../packages/shared/src/contracts/jumpHop';
+import type { PuzzleRunSnapshot } from '../../../packages/shared/src/contracts/puzzleRuntimeSession';
 import type { PuzzleWorkSummary } from '../../../packages/shared/src/contracts/puzzleWorkSummary';
 import type { CustomWorldGalleryCard } from '../../../packages/shared/src/contracts/runtime';
 import type { SquareHoleWorkSummary } from '../../../packages/shared/src/contracts/squareHoleWorks';
@@ -239,6 +240,22 @@ export function mapPublicWorkDetailToPuzzleWork(
   };
 }
 
+export function resolveVisiblePuzzleDetailCoverCount(
+  entry: PlatformPublicGalleryCard | null,
+  run: PuzzleRunSnapshot | null,
+) {
+  if (!entry || !isPuzzleGalleryEntry(entry)) {
+    return 1;
+  }
+
+  if (run?.entryProfileId !== entry.profileId) {
+    return 1;
+  }
+
+  // 中文注释：封面首图永远公开，后续封面跟随当前玩家本次 run 的通关进度即时解锁。
+  return Math.max(1, run.clearedLevelCount + 1);
+}
+
 export function mapPublicWorkDetailToBigFishWork(
   entry: PlatformPublicGalleryCard,
 ): BigFishWorkSummary | null {