Browser DevTools extension

[brainkim]

Summary

Create a browser extension for inspecting Crank component trees, similar to React DevTools or Vue DevTools.

Features

• Component tree visualization
• Props/state inspection
• Highlight components on hover
• Component search/filter
• Performance profiling (render times, update frequency)

Open Questions

• Chrome-only initially, or Firefox too?
• What internals need to be exposed for the extension to hook into?
• Should there be a debug mode flag to enable/disable instrumentation?