chore: update version to 2026.7.7 and update readme

Author: fisherdaddy

README.md

@@ -238,7 +238,7 @@ Please use the repository issue templates for bugs and feature requests. For pul
 
 ## Star History
 
-[![Star History Chart](https://api.star-history.com/svg?repos=netease-youdao/LobsterAI&type=date&legend=top-left)](https://www.star-history.com/#netease-youdao/LobsterAI&type=date&legend=top-left)
+[![Star History Chart](docs/res/star-history-202677.png)](https://www.star-history.com/?repos=netease-youdao%2Flobsterai&type=date&legend=bottom-right)
 
 ## License
 

README_zh.md

@@ -238,7 +238,8 @@ Bug 和功能建议请使用仓库 issue 模板。提交 PR 时请包含简要
 
 ## Star History
 
-[![Star History Chart](https://api.star-history.com/svg?repos=netease-youdao/LobsterAI&type=date&legend=top-left)](https://www.star-history.com/#netease-youdao/LobsterAI&type=date&legend=top-left)
+[![Star History Chart](docs/res/star-history-202677.png)](https://www.star-history.com/?repos=netease-youdao%2Flobsterai&type=date&legend=bottom-right)
+
 
 ## 许可证
 

docs/res/star-history-202677.png

@@ -6,7 +6,7 @@
     "email": "lobsterai.project@rd.netease.com"
   },
   "license": "MIT",
-  "version": "2026.7.3",
+  "version": "2026.7.7",
   "openclaw": {
     "version": "v2026.6.1",
     "repo": "https://github.com/openclaw/openclaw.git",