{ "slug": "mechanic-tower-defense-power-grid", "skill": "mechanic-tower-defense-power-grid", "upstream": "GameSkill original (onsite//original)", "sourceHash": "71edfde82f0c0d87b711b825ef20d1b82eadd132b53d90d3eda4fd5d3805ad92", "date": "2026-10-28", "engine": "Canvas 2D in Chrome 156 headless", "env": [ "Node v20.19.2", "No runtime dependencies (plain ES modules + Canvas 2D)", "puppeteer-core 24 from package-lock.json", "Google Chrome 156 headless, touch emulation on" ], "trigger": "static", "passed": 39, "total": 39, "commands": [ "(cd ../original && sh -c npm ci --silent --no-audit --no-fund && node --test --test-reporter=tap test/logic.test.mjs)", "(cd ../original && node test/browser.test.mjs)", "(cd . && cp ../original/shots/td-night.png screenshot.png)" ], "checks": [ { "criterion": "trigger", "name": "SKILL.md description says when to use it", "pass": true, "detail": "Tower-defense power-grid rules on top of an ordinary path-and-waves game. Towers fire only while linked to the power sou" }, { "criterion": "trigger", "name": "triggers on: \"Add a power grid with relays and pylons to my tower defense game\"", "pass": true, "detail": "rank 1/118, overlap 6" }, { "criterion": "trigger", "name": "triggers on: \"My tower defense towers turn on and off randomly when I build, how should power capacity be allocated\"", "pass": true, "detail": "rank 1/118, overlap 5" }, { "criterion": "trigger", "name": "triggers on: \"Tower defense night waves with a movable spotlight that buffs towers\"", "pass": true, "detail": "rank 1/118, overlap 5" }, { "criterion": "trigger", "name": "does not trigger on: \"Export my Godot game for the web\"", "pass": true, "detail": "rank 31/118, overlap 0" }, { "criterion": "trigger", "name": "does not trigger on: \"Make pixel art sprites with Aseprite\"", "pass": true, "detail": "rank 23/118, overlap 0" }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): a tower in the source range is connected and powered", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): a tower out of range is not connected until a relay bridges it", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): relays chain; towers never pass power on", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): capacity: towers past the budget stay unpowered (priority, then hops, then age)", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): build order beats distance: a new tower never browns out an older one", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): selling a relay cuts everything downstream and reports it", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): selling a tower frees capacity for a waiting tower", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): the source cannot be sold, cells cannot be shared, one source only", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): beam moves at a capped speed toward its target", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): night: towers see only 70% of their range unless the enemy is lit", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): lamps: the source and powered relays light their surroundings", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): beam: +25% damage and 15% slow on enemies inside it", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): a powered defence holds a wave; the same layout without its relay leaks", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): at night the beam rescues a defence that cannot see far enough", "pass": true }, { "criterion": "runs", "name": "power-grid rules tests (links, BFS, capacity order, sell recompute, beam, lamps, night sight, wave fights): exits 0 with no script errors", "pass": true, "detail": "exit 0" }, { "criterion": "runs", "name": "demo in headless Chrome: page loads; starting layout is fully powered (9/10) (4 towers)", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: tap-to-build a gun next to the source: over capacity, stays unpowered", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: a tower out of link range shows NO LINK", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: selling the first relay browns out the towers behind it, and frees power", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: building the relay back: the older gun gets its power back (build order wins) (spare 1, unpowered 2)", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: path cells cannot be built on", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: beam tool: tap aims the beam, it travels at its capped speed", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: night hides far enemies from the towers (1/3 visible)", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: demo: night + brownout + rebuild script runs, beam chases the lead enemy", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: demo defence holds the early waves (no reset in 20 s) (lives 20, kills 10)", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: frame is drawn (grid, cables, darkness, beam, HUD) (90 colour bins)", "pass": true }, { "criterion": "runs", "name": "demo in headless Chrome: exits 0 with no script errors", "pass": true, "detail": "exit 0" }, { "criterion": "output", "name": "screenshot screenshot.png rendered", "pass": true }, { "criterion": "output", "name": "self-check list has at least 3 items", "pass": true, "detail": "6 items" }, { "criterion": "single", "name": "one job per skill (reviewed)", "pass": true, "detail": "One job: the power grid (links, BFS, stable capacity allocation, recompute on sell), the movable light beam and night sight rules of a tower defense. Paths, waves and targeting exist only to exercise those rules." }, { "criterion": "bilingual", "name": "English SKILL.md", "pass": true }, { "criterion": "bilingual", "name": "Chinese SKILL.zh.md shipped next to SKILL.md", "pass": true, "detail": "2490 chars" }, { "criterion": "bilingual", "name": "Chinese guide written", "pass": true, "detail": "1016 chars" } ] }