Instruction file imported from Vininic/chronos (.github/instructions/testing-fast-path.instructions.md). Copyright stays with the author.

Chronos Testing Fast Path

Run the smallest reliable check first, then expand only if needed.

Quick Command Matrix

• Install deps (if needed): corepack pnpm install
• Lint only: corepack pnpm lint
• Full tests: corepack pnpm test
• Watch tests: corepack pnpm test:watch
• Production build: corepack pnpm build

Fast Validation Flow

1. If you changed only styles/markup in one component:
   • Run corepack pnpm lint
2. If you changed schedule logic, date math, drag behavior, or sleep boundary logic:
   • Run corepack pnpm test -- src/test/schedule-crossday.test.ts
   • Then run corepack pnpm test
3. If you changed routing, providers, or shared state behavior:
   • Run corepack pnpm lint
   • Run corepack pnpm test
4. Before handing off major edits:
   • Run corepack pnpm lint
   • Run corepack pnpm test
   • Run corepack pnpm build

Areas That Require Targeted Crossday Coverage

• src/components/dashboard/DayPlanner.tsx
• src/lib/schedule/store.tsx
• src/lib/schedule/types.ts

When any of these change, include the targeted crossday test command before full-suite execution.