- Add vitest.config.js with jsdom environment and global test APIs
- Install vitest and jsdom as dev dependencies
- Add test scripts (test, test:run) to package.json
Archive and finalize v1.0 milestone and planning artifacts: add MILESTONES.md, milestone archives (v1.0-ROADMAP.md, v1.0-REQUIREMENTS.md), verification and phase artifacts, and update phase/roadmap/project state to mark v1.0 MVP as shipped. Tidy PROJECT and ROADMAP to reflect shipped features and next steps, remove the old REQUIREMENTS.md (moved to milestone archive), and update STATE.md to show milestone completion. Minor code change: expose GridManager.events as public readonly to allow external subscribers. Package metadata: normalize keywords formatting and add an optional dependency entry in package.json for rollup native binary support.
- Initialize Vite project with vanilla-ts configuration
- Add TypeScript with strict mode enabled
- Configure Vitest for testing
- Create index.html with Canvas element
- Add main.ts entry point with canvas setup
- Add setup tests for project dependencies
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