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Cut Live variant two output latency

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This commit is contained in:
Paul Bakaus
2026-07-13 12:09:39 -07:00
parent 265502a125
commit 7a3ef022d9
4 changed files with 290 additions and 12 deletions
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tests/live-codex-worker.test.mjs
+103
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@@ -234,6 +234,10 @@ describe('Codex Live worker structured artifact boundary', () => {
assert.deepEqual(finalSchema.required, ['files']);
assert.equal(finalSchema.properties.plan, undefined, 'strict schemas cannot expose optional properties');
assert.deepEqual(codexWorkerOutputSchemaForPhase('atomic', 1).required, ['files']);
assert.deepEqual(
codexWorkerOutputSchemaForPhase('second', 3, { sourceDelta: true }).required,
['sourceDelta'],
);
});
it('writes only the prepared source artifact path', () => {
@@ -263,6 +267,105 @@ describe('Codex Live worker structured artifact boundary', () => {
);
});
it('merges a fenced variant 2 delta without letting the model resend variant 1', () => {
const cwd = mkdtempSync(path.join(tmpdir(), 'codex-worker-source-delta-'));
const artifact = path.join(cwd, '.impeccable/live/artifacts/session-r2.jsx');
mkdirSync(path.dirname(artifact), { recursive: true });
const before = [
'<main>',
' <div data-impeccable-variants="session" data-impeccable-variant-count="3" style={{ display: "contents" }}>',
' <style data-impeccable-css="session">{`',
'@scope ([data-impeccable-variant="1"]) { :scope > .one { color: red; } }',
'`}</style>',
' <div data-impeccable-variant="original"><h1>Original</h1></div>',
' <div data-impeccable-variant="1"><h1 className="one">Immutable</h1></div>',
' </div>',
'</main>',
].join('\n');
writeFileSync(artifact, before);
const prepared = { artifactFile: '.impeccable/live/artifacts/session-r2.jsx' };
applyCodexWorkerOutput({
output: {
sourceDelta: {
variantId: 2,
markup: '<article className="two"><h1>Two</h1></article>',
css: '@scope ([data-impeccable-variant="2"]) { :scope > .two { color: green; } }',
},
},
prepared,
phase: 'second',
expectedVariants: 3,
sessionId: 'session',
scaffold: { styleMode: 'scoped' },
cwd,
});
const after = readFileSync(artifact, 'utf-8');
assert.match(after, /<h1 className="one">Immutable<\/h1>/);
assert.match(after, /data-impeccable-variant="2"/);
assert.match(after, /<article className="two"><h1>Two<\/h1><\/article>/);
assert.match(after, /@scope \(\[data-impeccable-variant="2"\]\)/);
assert.equal((after.match(/data-impeccable-variant="1"/g) || []).length, 2);
assert.throws(() => applyCodexWorkerOutput({
output: {
sourceDelta: {
variantId: 2,
markup: '<article>Unsafe</article>',
css: '@scope ([data-impeccable-variant="1"]) { :scope { color: hotpink; } }',
},
},
prepared: { ...prepared, artifactFile: prepared.artifactFile },
phase: 'second',
expectedVariants: 3,
sessionId: 'session',
scaffold: { styleMode: 'scoped' },
cwd,
}), /worker_output_source_delta_css_unfenced/);
});
it('merges Astro global-prefixed deltas without introducing scoped CSS', () => {
const cwd = mkdtempSync(path.join(tmpdir(), 'codex-worker-astro-delta-'));
const artifact = path.join(cwd, '.impeccable/live/artifacts/session-r2.astro');
mkdirSync(path.dirname(artifact), { recursive: true });
writeFileSync(artifact, [
'<main>',
' <!-- impeccable-variants-start session -->',
' <div data-impeccable-variants="session" data-impeccable-variant-count="3" style="display: contents">',
' <style is:inline data-impeccable-css="session">',
' [data-impeccable-variant="1"] > .one { color: red; }',
' </style>',
' <div data-impeccable-variant="original"><h1>Original</h1></div>',
' <div data-impeccable-variant="1"><h1 class="one">One</h1></div>',
' </div>',
' <!-- impeccable-variants-end session -->',
'</main>',
].join('\n'));
applyCodexWorkerOutput({
output: {
sourceDelta: {
variantId: 2,
markup: '<article class="two"><h1>Two</h1></article>',
css: '[data-impeccable-variant="2"] > .two { color: green; }',
},
},
prepared: { artifactFile: '.impeccable/live/artifacts/session-r2.astro' },
phase: 'second',
expectedVariants: 3,
sessionId: 'session',
scaffold: { styleMode: 'astro-global-prefixed' },
cwd,
});
const after = readFileSync(artifact, 'utf-8');
assert.match(after, /\[data-impeccable-variant="2"\] > \.two/);
assert.match(after, /<div data-impeccable-variant="2">/);
assert.doesNotMatch(after, /@scope/);
assert.match(after, /<!-- impeccable-variants-end session -->/);
});
it('never lets a final component turn rewrite arrived variant 1', () => {
const cwd = mkdtempSync(path.join(tmpdir(), 'codex-worker-component-'));
const componentDir = path.join(cwd, '.impeccable/live/artifacts/session-r2-svelte');