skills/pbakaus_impeccable
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Read WebP/JPEG comps through a sibling PNG cache instead of forcing PNG

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comp-spec, comp-diff, build-phase, font-match, and generate-image now decode any comp raster via loadRaster(), converting non-PNG input to <file>.png next to the source. Sessions used to hit 'not a PNG' and rewrite the .webp in place with PNG bytes, which broke transcript replay (a later step rewrites the comp beyond the cut) and left a mislabeled file.

AI-assisted (Claude Code).
This commit is contained in:
Paul Bakaus
2026-08-28 06:13:59 +05:00
committed by Abdul Wahab
parent 95294e464a
commit 48350ffb14
7 changed files with 63 additions and 15 deletions
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skill/scripts/build-phase.mjs
+4 -4
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@@ -66,7 +66,7 @@ import path from 'node:path';
import { spawnSync } from 'node:child_process';
import { fileURLToPath } from 'node:url';
import { createRequire } from 'node:module';
import { decodePng } from './lib/png.mjs';
import { decodePng, loadRaster } from './lib/png.mjs';
const require = createRequire(import.meta.url);
import { crop, createImage, blit } from './lib/raster.mjs';
import { compare, verdictFor } from './comp-diff.mjs';
@@ -254,7 +254,7 @@ export function gatePlates(state, { specPath = SPEC_PATH } = {}) {
const rasterRegions = spec.regions.filter((r) => r.medium === 'raster');
if (!rasterRegions.length) return { ok: true, reasons: [], summary: 'no plates owed', plates: [] };
let comp = null;
try { comp = decodePng(fs.readFileSync(spec.comp)); } catch { /* scored without the comp crop below */ }
try { comp = loadRaster(spec.comp).image; } catch { /* scored without the comp crop below */ }
const reasons = [], plates = [];
for (const r of rasterRegions) {
const file = r.plate;
@@ -561,7 +561,7 @@ export function advance(state, { force = false, reason = null, gateOpts = {} } =
p.status = 'closed'; p.closedAt = now();
if (phase === 'comps' && gate.approved) {
state.comp = gate.approved;
if (!state.breakpoint) { try { const i = decodePng(fs.readFileSync(gate.approved)); state.breakpoint = `${i.width}x${i.height}`; } catch { /* non-png comp: breakpoint stays unset */ } }
if (!state.breakpoint) { try { const i = loadRaster(gate.approved).image; state.breakpoint = `${i.width}x${i.height}`; } catch { /* non-png comp: breakpoint stays unset */ } }
}
const next = PHASES[idx + 1];
state.phase = next;
@@ -627,7 +627,7 @@ async function main() {
return;
}
let breakpoint = arg('breakpoint');
if (!breakpoint && comp) { try { const i = decodePng(fs.readFileSync(comp)); breakpoint = `${i.width}x${i.height}`; } catch { /* leave null */ } }
if (!breakpoint && comp) { try { const i = loadRaster(comp).image; breakpoint = `${i.width}x${i.height}`; } catch { /* leave null */ } }
const existing = loadState();
if (existing && !flag('reset')) {
console.log(`build-phase: state exists (phase ${existing.phase}); pass --reset to start over`);