NiceGUI: Web-based user interfaces with Python. The nice way.

Bugfixes

• Respect show_404=False in ui.sub_pages navigation (#5199 by @rodja, @falkoschindler)
• Fix docker builds by not excluding dist/ directories from the build context (#5200, #5202 by @Yuerchu, @rodja, @falkoschindler)

Testing

• Check disabled state before clicking or clearing via user simulated interaction (#5191, #5209 by @igro-marczak, @rodja)
• Make user.should_see work with icon and chat message names (#5183, #5184 by @phifuh, @rodja)

Documentation

• Fix menu by disabling the deselection of tree elements (#5207, #5208 by @python-and-novella, @rodja)
• Fix custom toggle button demo (#5203 by @rodja)

Infrastructure

• Re-run poetry lock to fix nicegui-highcharts incompatibility (#5204 by @evnchn)
• Use poetry 2.1.2 in the devcontainer (#5205 by @evnchn)
• Fix fly docker build (#5210 by @rodja)
• Overhaul AI instructions (#5197 by @rodja, @evnchn)