DietrichGebertandClaude Opus 4.8
bce2162025
Cover the Kiro steering file in the equality check (the stripper is now shared, renamed to stripFrontmatter), and align its body with AGENTS.md: the 'Not lazy about' and 'Non-trivial logic' sentences were split into two paragraphs where the canonical body and the other four copies keep them as one. The improved check caught this on the freshly merged #6. Also add a small invariant canary: four load-bearing rule phrases must appear verbatim in both SKILL.md (the runtime source of truth) and AGENTS.md, catching a rule that lands in one but not the other even though the two files are intentionally different lengths. Verified: passes on main, exits 1 when a copy diverges or an invariant goes missing. Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
66 lines
2.3 KiB
JavaScript
66 lines
2.3 KiB
JavaScript
#!/usr/bin/env node
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const fs = require('fs');
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const path = require('path');
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const root = path.join(__dirname, '..');
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function read(relPath) {
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return fs.readFileSync(path.join(root, relPath), 'utf8').replace(/\r\n/g, '\n').trim();
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}
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function stripFrontmatter(text) {
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return text.replace(/^---\n[\s\S]*?\n---\n*/, '').trim();
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}
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const agents = read('AGENTS.md');
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const canonical = agents.replace(/\n\n\(Yes, this file also applies[\s\S]*?\)$/, '').trim();
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// Compact copies: same body as AGENTS.md, host-specific frontmatter stripped.
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const copies = [
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['.cursor/rules/ponytail.mdc', stripFrontmatter],
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['.windsurf/rules/ponytail.md', text => text.trim()],
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['.clinerules/ponytail.md', text => text.trim()],
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['.github/copilot-instructions.md', text => text.trim()],
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['.kiro/steering/ponytail.md', stripFrontmatter],
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];
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let failed = false;
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for (const [relPath, normalize] of copies) {
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const actual = normalize(read(relPath));
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if (actual !== canonical) {
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console.error(`${relPath} drifted from AGENTS.md`);
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failed = true;
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}
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}
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// SKILL.md is the runtime source of truth and is longer than the compact body,
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// so it cannot be byte-compared. ponytail: canary, not full equality. Assert the
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// load-bearing rules survive verbatim in both the source and AGENTS.md. Changing
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// a rule's wording trips this, which is the reminder to propagate it everywhere.
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// Upgrade path: generate the copies from SKILL.md if this ever misses a real drift.
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const INVARIANTS = [
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'naive heuristic', // ceiling-comment rule
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'ONE runnable check', // test reflex
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'flimsier algorithm', // robust-variant rule
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'input validation at trust boundaries', // the "not lazy about" clause
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];
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const skill = read('skills/ponytail/SKILL.md');
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const sources = [['skills/ponytail/SKILL.md', skill], ['AGENTS.md', agents]];
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for (const phrase of INVARIANTS) {
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for (const [label, text] of sources) {
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if (!text.includes(phrase)) {
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console.error(`${label} is missing rule invariant: "${phrase}"`);
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failed = true;
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}
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}
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}
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if (failed) {
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console.error('Update the copied rule text, AGENTS.md, or SKILL.md so the shared rules match.');
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process.exit(1);
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}
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console.log(`Rule copies match AGENTS.md; ${INVARIANTS.length} rule invariants present in SKILL.md and AGENTS.md.`);
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