docs(readme): 补充索引与密钥使用说明

- 增加 session_preview.db 会话列表加速说明与开关

- 更新媒体密钥获取建议(wx_key)与相关使用提示

- 补充搜索相关截图资源
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2025-12-25 20:28:44 +08:00
parent ab91e5bb6e
commit 5a8075ca8a
2 changed files with 33 additions and 26 deletions

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