Fix all build/type/lint errors (zod 3.25 compat wrapper, Svelte 5 fixes), write 115 unit tests across 10 test files, expand seed script with demo data, update Docker config with migration on startup.
Add layout system (sidebar, header, main layout), dark/light/system theme with HSL customization, 3 ambient backgrounds (mesh gradient, particle field, aurora), Cmd/Ctrl+K search dialog, page transitions, card hover effects, status pulse animations, skeleton loaders, and responsive design. Polish all existing pages with consistent theming.
alexei.dolgolyov