Density timeline widget: one bar per month within minDate/maxDate, proportional heights, click-to-select-month with onchange callback, and a clear button when a selection is active. Notable details: - Hidden entirely when density is null (mobile / calendar view; +page.ts controls the gating). - Zero-count months render at 2 px so the time axis stays readable (Leonie's design intent overrides AC's literal "no bar" wording). - Component-scoped --timeline-bar-idle CSS var for the dim idle color (light: mint-tinted rgba; dark: structural navy #0d3358 — meets WCAG 1.4.11 3:1 against surface, unlike the spec's #0E2535). - Clear button is a real <button> with aria-label per Nora's a11y note. - Bars are <button>s with aria-pressed selection state. - Drag-range, tooltip, and year-tick labels are deferred for follow-ups — the AC-required behaviours (click filter, clear, AND-with-other-filters) are all in. 11 vitest-browser tests cover visibility gating, bar rendering with gap-fill, zero-height floor, and selection/clear callback paths. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Everything you need to build a Svelte project, powered by sv.
Creating a project
If you're seeing this, you've probably already done this step. Congrats!
# create a new project in the current directory
npx sv create
# create a new project in my-app
npx sv create my-app
Developing
Once you've created a project and installed dependencies with npm install (or pnpm install or yarn), start a development server:
npm run dev
# or start the server and open the app in a new browser tab
npm run dev -- --open
Building
To create a production version of your app:
npm run build
You can preview the production build with npm run preview.
To deploy your app, you may need to install an adapter for your target environment.