style: Improve markdown editor styling and functionality

- Update dark mode button icon and styling
- Add styling for new collection button
- Apply default iframe styles in preview pane
- Adjust vertical divider height in header buttons
- Improve handling of JSX-like attributes in markdown
- Add support for new collection functionality
- Refine file loading logic in view mode
- Improve dark mode toggle icon and integration
- Update UI for edit/view mode toggle button

collections/tech/status.md

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+## Technology Status
+
+![](images/status.png)
+
+The Mycelium technology stack is proven and operational in production environments globally.
+
+Ongoing deployment and enhancement activities continue across the platform, with expanding adoption and application scope.
+
+![](images/dashboard.png)
+
+## Usable for Any Infrastructure Use Case
+
+![](images/usable_by_all.png)
+
+Mycelium is designed to support any infrastructure workload - from traditional cloud applications to edge computing, AI services, and decentralized applications.
+
+## Differentiated Architecture
+
+![](images/unique.png)
+
+Mycelium's unique value lies in its integrated approach: autonomous infrastructure, deterministic deployment, zero-knowledge storage, and optimized networking - delivered as a cohesive platform rather than point solutions.