fix: replace std::sync::Mutex with parking_lot::Mutex (#350)

Merges #422

README.md

@@ -508,6 +508,17 @@ ZeroClaw is an open-source project maintained with passion. If you find it usefu
 
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+### 🙏 Special Thanks
+
+A heartfelt thank you to the communities and institutions that inspire and fuel this open-source work:
+
+- **Harvard University** — for fostering intellectual curiosity and pushing the boundaries of what's possible.
+- **MIT** — for championing open knowledge, open source, and the belief that technology should be accessible to everyone.
+- **Sundai Club** — for the community, the energy, and the relentless drive to build things that matter.
+- **The World & Beyond** 🌍✨ — to every contributor, dreamer, and builder out there making open source a force for good. This is for you.
+
+We're building in the open because the best ideas come from everywhere. If you're reading this, you're part of it. Welcome. 🦀❤️
+
 ## License
 
 MIT — see [LICENSE](LICENSE)
@@ -524,6 +535,7 @@ See [CONTRIBUTING.md](CONTRIBUTING.md). Implement a trait, submit a PR:
 - New `Tunnel` → `src/tunnel/`
 - New `Skill` → `~/.zeroclaw/workspace/skills/<name>/`
 
+
 ---
 
 **ZeroClaw** — Zero overhead. Zero compromise. Deploy anywhere. Swap anything. 🦀