fix: 完善学习进度同步与拼图收集流程

统一阶段拼图配置和进度上报，增加同步写入协调与失败重试，优化收集确认及同步反馈，并展示菜单探索进度。补充相关回归测试与字体素材。

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

package.json

@@ -17,6 +17,7 @@
     "format": "prettier --write .",
     "format:check": "prettier --check .",
     "typecheck": "tsc --noEmit",
+    "test": "vitest run",
     "preview": "vite preview",
     "storybook": "storybook dev -p 6006",
     "build-storybook": "storybook build"
@@ -64,6 +65,7 @@
     "tailwindcss": "^4.1.14",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.46.1",
-    "vite": "^7.1.7"
+    "vite": "^7.1.7",
+    "vitest": "^5.0.1"
   }
 }