game-asset-pipeline

Deterministic post-process tooling for generated pixel-art sprite batches: lattice/pixel-snapper cleanup, transparency de-fringing, sprite-sheet packing with a portable atlas manifest. Pairs with agents/game/game-asset-pipeline.md, which owns generation + engine-specific import; this skill is the deterministic middle of that loop.

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Repositorio: bpmforge/attest-claude
Última actividad en el origen: 12 de julio de 2026 a las 14:19
Idioma detectado de SKILL.md: inglés
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Forks: 0

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gauntlet

Gauntlet loop — multi-agent quality harness: a lead sets a real reference bar (a named product, test suite, or baseline to match or beat), splits the goal into gradeable units, builders produce artifacts in clean context, and blind fresh-per-round critics grade each artifact against the bar with evidence; failures loop until every unit passes, two rounds stall, or budget runs out. NOT /challenge (verifies factual claims); NOT /review (one-pass verdict) — this rebuilds until the work beats something real.

2026-08-12

design-iterate

Claude-Design-style visual iteration loop — render the running UI, screenshot at 375/768/1440, critique against docs/design/tokens.json and design principles, apply fixes, re-capture until clean (cap 3 iterations). Also extracts a token baseline from an existing codebase (--sync) and audits real logged-in browsers (--real). NOT a one-pass review — use /ux --review for findings-only; NOT functional conformance — use /ui-verify.

2026-08-10

steward

Project intelligence steward — audits CLAUDE.md / AGENTS.md alignment with actual codebase, captures session learnings, updates project docs. Use after major sessions or when docs feel stale.

2026-07-30

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game-asset-pipeline — post-process scripts for generated sprite batches

Three deterministic Node.js scripts under scripts/, one per stage of the post-generation pipeline. Each is a pure-function library plus a small CLI; none of them call a model — that's the job of agents/game/game-asset-pipeline.md (gen and engine-specific import). See README.md for algorithm detail and the atlas JSON schema.

Script

Stage

What it does

scripts/pixel-snap.mjs

post-process (lattice)

Snaps a soft/anti-aliased gen image onto an explicit pixel grid via dominant-color-per-cell voting; optional palette quantization + nearest-neighbor upscale preview.

scripts/transparency-cleanup.mjs

post-process (matte)

Threshold + un-premultiply alpha cleanup — kills background-bleed fringe pixels, de-fringes real sprite edges.

scripts/sprite-sheet-pack.mjs

sprite-sheet / engine import

Deterministic shelf-packs a batch of sprite PNGs into one sheet + emits a TexturePacker-hash-format atlas JSON (Phaser/PixiJS-native; convertible to Godot/Unity import formats by existing engine-side tooling).

Usage

node scripts/pixel-snap.mjs gen.png --grid 32x32 --palette 16 --upscale 4 --out sprite.snapped.png node scripts/transparency-cleanup.mjs sprite.snapped.png --out sprite.cleaned.png node scripts/sprite-sheet-pack.mjs ./batch/ --out sheet.png --json sheet.json

Chain them per asset in a batch, then pack the whole cleaned batch in one sprite-sheet-pack.mjs call — packing is the one stage that operates on the batch as a unit rather than one sprite at a time.

Tests

node --test 'skills/game-asset-pipeline/scripts/tests/*.test.mjs' — synthetic fixtures generated in-process via sharp (noisy pixel-grid image, background- matte sprite, solid-color batch); no binary fixtures checked in. The --test glob form is required — the bare directory form silently runs zero files on this Node version (same gotcha skills/user-guide/README.md documents).