Improve infinite canvas interactions and browser chrome Render Lucide icons directly with Raylib, add searchable icon browsing, robust text editing, entity lifecycle animations, z-order-safe input, semantic themes, and animated editable browser controls. Document rendering, pinning, context, and component extension for future agents. Co-authored-by: Copilot <[email protected]> Copilot-Session: f68442b1-fa8f-46a0-9689-81710613bbd4

The *.tcl files in this directory are part of the SQLite's "autoconf"
bundle which are specific to the TEA(-ish) build. During the tarball
generation process, they are copied into <TOP>/autoconf/autosetup/teaish
(which itself is created as part of that process).