diff --git a/docs/technical/PUZZLE_SINGLE_PLAYER_AND_REAL_IMAGE_PLAN_2026-04-24.md b/docs/technical/PUZZLE_SINGLE_PLAYER_AND_REAL_IMAGE_PLAN_2026-04-24.md
index c2a78538..9fb0373d 100644
--- a/docs/technical/PUZZLE_SINGLE_PLAYER_AND_REAL_IMAGE_PLAN_2026-04-24.md
+++ b/docs/technical/PUZZLE_SINGLE_PLAYER_AND_REAL_IMAGE_PLAN_2026-04-24.md
@@ -15,7 +15,8 @@
 2. 交换拼图块、拖动拼图块、关卡是否拼完，全部由前端本地计算。
 3. 本地运行态不调用 `/api/runtime/puzzle/runs/*` 写回当前过程状态。
 4. 关闭玩法后，这次运行态直接失效，不做断点续玩，不做跨端同步。
-5. 后端仍然负责：
+5. 通关后的第一版接续只保证单次游玩闭环：本地生成一个临时 `recommendedNextProfileId`，点击“下一关”后沿用当前作品图片、作者和标签，重建下一关棋盘；正式的广场推荐池仍留给后端运行态版本恢复。
+6. 后端仍然负责：
    - Agent 会话
    - 结果页草稿编译
    - 正式候选图生成
@@ -47,6 +48,8 @@
 
 不能继续写到仓库本地 `public/generated-puzzle-covers/*`。
 
+这些路径只是前后端 DTO 里的兼容标识，不是浏览器可以直接裸读的公开资源地址。实际图片对象存放在私有 OSS 中，前端渲染前必须先通过 `/api/assets/read-url?legacyPublicPath=...` 换取签名读 URL；签名 URL 未返回或换签失败时，图片组件不能把 `/generated-puzzle-assets/*` 直接写入 `<img src>`，避免浏览器发起无签名、无鉴权请求。
+
 ### 4.2 运行态边界
 
 第一版单机运行态保留现有 DTO 结构，目的是不重做界面层。
@@ -55,7 +58,9 @@
 
 1. 进入玩法时从作品详情构造本地 `run`
 2. 交换 / 拖动 / 通关时由前端工具函数返回新的 `run`
-3. 当前不依赖后端 `start/swap/drag/next-level` 接口完成主链
+3. 通关时本地写入临时下一关 id，用于显示“下一关”按钮
+4. 点击下一关时重置棋盘、推进关卡序号，并按已通关数量切换 `3x3 / 4x4`
+5. 当前不依赖后端 `start/swap/drag/next-level` 接口完成主链
 
 ## 5. 当前实现判断标准
 
@@ -65,4 +70,5 @@
 2. 返回路径切到 `/generated-puzzle-assets/*`。
 3. 未配置 DashScope 或 OSS 时，接口明确返回 provider 级错误，而不是静默回退占位图。
 4. 玩家进入拼图玩法后，即使后端运行态接口不可用，也能在本地完成交换与拖动。
-5. 关闭玩法后不保留当前 run 进度。
+5. 玩家完成整张图后能看到通关态与“下一关”入口，点击后进入新棋盘。
+6. 关闭玩法后不保留当前 run 进度。
diff --git a/src/services/puzzle-runtime/puzzleLocalRuntime.test.ts b/src/services/puzzle-runtime/puzzleLocalRuntime.test.ts
new file mode 100644
index 00000000..be9ba9e5
--- /dev/null
+++ b/src/services/puzzle-runtime/puzzleLocalRuntime.test.ts
@@ -0,0 +1,69 @@
+import { describe, expect, test } from 'vitest';
+
+import type { PuzzleWorkSummary } from '../../../packages/shared/src/contracts/puzzleWorkSummary';
+import {
+  advanceLocalPuzzleLevel,
+  dragLocalPuzzlePiece,
+  startLocalPuzzleRun,
+} from './puzzleLocalRuntime';
+
+const baseWork: PuzzleWorkSummary = {
+  workId: 'work-1',
+  profileId: 'profile-1',
+  ownerUserId: 'user-1',
+  sourceSessionId: null,
+  authorDisplayName: '测试作者',
+  levelName: '测试拼图',
+  summary: '服务层测试用拼图。',
+  themeTags: ['测试', '拼图'],
+  coverImageSrc: '/generated-puzzle-assets/test.png',
+  coverAssetId: null,
+  publicationStatus: 'published',
+  updatedAt: '2026-04-25T00:00:00.000Z',
+  publishedAt: '2026-04-25T00:00:00.000Z',
+  playCount: 0,
+  publishReady: true,
+};
+
+function solveCurrentLevel(run: ReturnType<typeof startLocalPuzzleRun>) {
+  let nextRun = run;
+  for (let index = 0; index < 12; index += 1) {
+    const currentLevel = nextRun.currentLevel;
+    if (!currentLevel || currentLevel.status === 'cleared') {
+      return nextRun;
+    }
+
+    const misplacedPiece = currentLevel.board.pieces.find(
+      (piece) =>
+        piece.currentRow !== piece.correctRow ||
+        piece.currentCol !== piece.correctCol,
+    );
+    if (!misplacedPiece) {
+      return nextRun;
+    }
+
+    nextRun = dragLocalPuzzlePiece(nextRun, {
+      pieceId: misplacedPiece.pieceId,
+      targetRow: misplacedPiece.correctRow,
+      targetCol: misplacedPiece.correctCol,
+    });
+  }
+  return nextRun;
+}
+
+describe('puzzleLocalRuntime', () => {
+  test('通关后提供下一关入口并能推进到新棋盘', () => {
+    const clearedRun = solveCurrentLevel(startLocalPuzzleRun(baseWork));
+
+    expect(clearedRun.currentLevel?.status).toBe('cleared');
+    expect(clearedRun.recommendedNextProfileId).toBe('profile-1::local-level-2');
+
+    const nextRun = advanceLocalPuzzleLevel(clearedRun);
+
+    expect(nextRun.currentLevelIndex).toBe(2);
+    expect(nextRun.currentLevel?.status).toBe('playing');
+    expect(nextRun.currentLevel?.levelName).toBe('测试拼图 · 第 2 关');
+    expect(nextRun.currentLevel?.board.allTilesResolved).toBe(false);
+    expect(nextRun.recommendedNextProfileId).toBeNull();
+  });
+});
diff --git a/src/services/puzzle-runtime/puzzleLocalRuntime.ts b/src/services/puzzle-runtime/puzzleLocalRuntime.ts
index cfa15349..527a207f 100644
--- a/src/services/puzzle-runtime/puzzleLocalRuntime.ts
+++ b/src/services/puzzle-runtime/puzzleLocalRuntime.ts
@@ -89,17 +89,66 @@ function applyNextBoard(
     return run;
   }
   const status = nextBoard.allTilesResolved ? 'cleared' : 'playing';
+  const nextClearedLevelCount =
+    status === 'cleared' && run.currentLevel.status !== 'cleared'
+      ? run.clearedLevelCount + 1
+      : run.clearedLevelCount;
   return {
     ...run,
-    clearedLevelCount:
-      status === 'cleared' && run.currentLevel.status !== 'cleared'
-        ? run.clearedLevelCount + 1
-        : run.clearedLevelCount,
+    clearedLevelCount: nextClearedLevelCount,
     currentLevel: {
       ...run.currentLevel,
       board: nextBoard,
       status,
     },
+    recommendedNextProfileId:
+      status === 'cleared'
+        ? buildLocalNextProfileId(run.entryProfileId, nextClearedLevelCount + 1)
+        : run.recommendedNextProfileId,
+  };
+}
+
+function buildLocalNextProfileId(entryProfileId: string, levelIndex: number) {
+  return `${entryProfileId}::local-level-${levelIndex}`;
+}
+
+// 第一版单机玩法没有后端推荐池，本地沿用当前作品图片并生成可推进的临时关卡名。
+function buildLocalLevelName(previousLevelName: string, levelIndex: number) {
+  return `${previousLevelName.replace(/ · 第 \d+ 关$/, '')} · 第 ${levelIndex} 关`;
+}
+
+// 本地运行态只保证单次游玩闭环：通关后立即重建下一关棋盘，不写回后端。
+function buildNextLocalLevel(run: PuzzleRunSnapshot): PuzzleRunSnapshot {
+  const currentLevel = run.currentLevel;
+  if (!currentLevel || currentLevel.status !== 'cleared') {
+    return run;
+  }
+
+  const nextLevelIndex = run.currentLevelIndex + 1;
+  const gridSize = resolvePuzzleGridSize(run.clearedLevelCount);
+  const nextProfileId =
+    run.recommendedNextProfileId ??
+    buildLocalNextProfileId(run.entryProfileId, nextLevelIndex);
+
+  return {
+    ...run,
+    currentLevelIndex: nextLevelIndex,
+    currentGridSize: gridSize,
+    playedProfileIds: run.playedProfileIds.includes(nextProfileId)
+      ? run.playedProfileIds
+      : [...run.playedProfileIds, nextProfileId],
+    previousLevelTags: currentLevel.themeTags,
+    currentLevel: {
+      ...currentLevel,
+      runId: run.runId,
+      levelIndex: nextLevelIndex,
+      gridSize,
+      profileId: nextProfileId,
+      levelName: buildLocalLevelName(currentLevel.levelName, nextLevelIndex),
+      board: buildInitialBoard(gridSize),
+      status: 'playing',
+    },
+    recommendedNextProfileId: null,
   };
 }
 
@@ -191,5 +240,5 @@ export function dragLocalPuzzlePiece(
 }
 
 export function advanceLocalPuzzleLevel(run: PuzzleRunSnapshot): PuzzleRunSnapshot {
-  return run;
+  return buildNextLocalLevel(run);
 }