Fix all build/type/lint errors, write 60 new tests (175 total),
update seed with new widget types and team board permissions,
install missing svelte-i18n dependency, fix DynamicIcon for Svelte 5.
- Fix $effect orphan error: move $effect calls from store constructors
to initEffects() methods called from component context
- Fix icon rendering: create DynamicIcon component to render Lucide icons
from name strings instead of displaying raw text
- Add /boards/new route for board creation
- Fix seed emails (admin@launcher.local / user@launcher.local) to pass
Zod email validation