testsAndMisc/docs/superpowers/evidence/bucket-catch-2026-06-27.json

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{
"intent": "Add bucket_catch to testsAndMisc: an osu!catch browser game where falling files/puzzle pieces are caught with a mouse-tracked basket. Includes frontend (React 19 + Vite 6 + TypeScript strict), backend (NestJS 11), and 100% Vitest test coverage.",
"scope": [
"bucket_catch/ — new top-level app directory",
"pnpm workspace: packages/frontend (React) + packages/backend (NestJS)",
"No changes to existing Python packages or linux_configuration"
],
"changes": [
"Frontend: DropZone (drag-drop + file input), ModeSelect (download/upload/puzzle), GameCanvas, PuzzleCanvas, ScoreScreen, PuzzleResult components",
"Game engine: Canvas 2D requestAnimationFrame loop with AABB collision between falling items and mouse-tracked basket",
"Puzzle mode: image sliced into NxN grid via OffscreenCanvas; spatial clustering (Union-Find interval graph) guarantees 100% always achievable",
"Backend: NestJS POST /files/upload (multer disk storage) and GET /health",
"ESLint with typescript-eslint strict-type-checked; zero lint errors",
"Vitest + @vitest/coverage-v8: 145 tests, 100% on statements/branches/functions/lines",
"App.tsx: removed unreachable && branches; usePuzzleGameLoop: non-null assertions eliminate defensive dead branches"
],
"verification": [
{
"command": "pnpm run coverage (packages/frontend)",
"result": "pass",
"evidence": "145 tests passed; Statements 100% (583/583), Branches 100% (217/217), Functions 100% (97/97), Lines 100% (534/534)"
},
{
"command": "pnpm run lint (packages/frontend)",
"result": "pass",
"evidence": "0 errors, 0 warnings with typescript-eslint strict-type-checked"
},
{
"command": "pnpm build (packages/frontend)",
"result": "pass",
"evidence": "46 modules transformed, no TypeScript errors"
}
],
"risks": [
"NestJS backend tests not yet written (tracked separately)",
"Canvas puzzle mode relies on jsdom canvas mock in tests; real browser rendering not E2E tested"
],
"rollback": [
"git revert HEAD — removes the entire bucket_catch directory from tracking",
"bucket_catch/ dir stays on disk (git revert only removes it from the repo)"
]
}