Merge remote-tracking branch 'origin/master' into claude/design-handoff-prompt-d0aee4

.changes/web-material-off-startup-path.md

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+---
+type: perf
+area: web
+---
+
+The app loads about 12% less code before it shows its first screen: dialog,
+tooltip and progress-bar code, the animation engine and the theme colours of
+unused components now load only when something needs them, so every launch
+has less to download and parse.