feat: 支持 Lore-char 命名的总结世界书识别

- isSummaryBook 函数新增对 Lore-char/lore-char 的检测
- 修复启用记忆搜索助手时进度条重复显示总结世界书任务的问题
- 更新错误提示信息，说明支持的命名规则

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

games/3dcity/assets/loader.svg

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