mirror of
https://github.com/pbakaus/impeccable.git
synced 2026-09-12 06:06:37 +03:00
Paul Bakaus
02b1040280
Measure framework and provider latency, enforce fidelity and cleanup gates, and publish reproducible results on the dev-only Live Lab.\n\nAI-assisted: OpenAI Codex.
548 lines
21 KiB
JavaScript
548 lines
21 KiB
JavaScript
import fs from 'node:fs';
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import os from 'node:os';
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import path from 'node:path';
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import { performance } from 'node:perf_hooks';
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import { anthropic } from '@ai-sdk/anthropic';
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import { google } from '@ai-sdk/google';
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import { openai } from '@ai-sdk/openai';
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import { generateText } from 'ai';
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import {
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VARIANT_SYSTEM_INSTRUCTIONS,
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parseVariantResponse,
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validateProgressiveVariantOutput,
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validateVariantCount,
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validateVariantMaterialChange,
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validateVariantVisibleCopy,
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} from '../../tests/live-e2e/agents/llm-agent.mjs';
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export const PROVIDER_PROFILES = Object.freeze({
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anthropic: {
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label: 'Anthropic',
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model: 'claude-sonnet-4-6',
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envKeys: ['ANTHROPIC_API_KEY'],
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pricePerMillion: { input: 3, cachedInput: 0.3, output: 15 },
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effort: 'low',
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priceSource: 'https://platform.claude.com/docs/en/about-claude/pricing',
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},
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openai: {
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label: 'OpenAI',
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model: 'gpt-5.5',
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envKeys: ['OPENAI_API_KEY'],
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pricePerMillion: { input: 5, cachedInput: 0.5, output: 30 },
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effort: 'low',
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priceSource: 'https://developers.openai.com/api/docs/models/gpt-5.5',
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},
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google: {
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label: 'Google',
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model: 'gemini-3.1-flash-lite',
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envKeys: ['GOOGLE_GENERATIVE_AI_API_KEY', 'GOOGLE_CLOUD_API_KEY', 'GEMINI_API_KEY'],
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pricePerMillion: { input: 0.25, cachedInput: 0.025, output: 1.5 },
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effort: 'minimal (provider default)',
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priceSource: 'https://ai.google.dev/gemini-api/docs/pricing',
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},
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});
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export const STRATEGIES = Object.freeze({
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'atomic-full': {
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delivery: 'atomic',
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promptMode: 'full-live-context',
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calls: 'one 3-variant call',
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},
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'progressive-full': {
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delivery: 'progressive',
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promptMode: 'full-live-context',
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calls: 'one first-variant call, then one remaining-directions call; deterministic assembly preserves variant 1',
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},
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'progressive-compact': {
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delivery: 'progressive',
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promptMode: 'compact-producer-contract',
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calls: 'one first-variant call, then one remaining-directions call; deterministic assembly preserves variant 1',
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},
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'parallel-compact': {
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delivery: 'parallel-progressive',
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promptMode: 'compact-producer-contract',
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calls: 'three concurrent one-variant calls; first valid result publishes immediately',
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},
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});
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export const BRAND_CONTRACT = Object.freeze({
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identity: 'Warm paper, dark ink, moss and brass accents; Georgia display with a restrained sans body; editorial, practical, and quiet.',
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requiredCopy: [
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'Quarterly print edition',
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'Field Notes',
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'Four routes, annotated maps, and practical details for unhurried weekends.',
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'Reserve issue eight',
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],
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requiredClasses: [
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'offer-card',
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'offer-card__copy',
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'offer-card__eyebrow',
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'offer-card__title',
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'offer-card__body',
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'action-link',
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],
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allowedTokens: [
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'--color-paper',
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'--color-paper-deep',
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'--color-ink',
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'--color-moss',
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'--color-brass',
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'--font-display',
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'--font-body',
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'--space-1',
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'--space-2',
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'--space-3',
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'--space-4',
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'--radius-control',
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],
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sourceExcerpt: [
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'<article className="offer-card" aria-labelledby="field-notes-title">',
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' <div className="offer-card__copy">',
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' <p className="offer-card__eyebrow">Quarterly print edition</p>',
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' <h2 className="offer-card__title" id="field-notes-title">Field Notes</h2>',
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' <p className="offer-card__body">Four routes, annotated maps, and practical details for unhurried weekends.</p>',
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' </div>',
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' <a className="action-link" href="#edition">Reserve issue eight</a>',
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'</article>',
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].join('\n'),
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});
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const COMPACT_CONTRACT = [
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VARIANT_SYSTEM_INSTRUCTIONS,
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'',
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'QUALITY GATE FOR THIS PRODUCER:',
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'- Preserve all visible copy exactly and retain the article/component class contract.',
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'- Stay inside the supplied identity. Reuse the supplied CSS custom properties instead of inventing colors, typefaces, spacing, or radii.',
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'- Do not add gradients, blur, glow, glass, neon, decorative shadows, emoji, or unrelated content.',
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'- Make each variant materially different through hierarchy, layout, density, or color-role allocation.',
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].join('\n');
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export function loadBenchmarkEnv({ repoRoot, explicitPath } = {}) {
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const candidates = [
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explicitPath,
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repoRoot && path.join(repoRoot, '.env'),
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path.join(os.homedir(), 'code', 'impeccable-evals', '.env'),
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].filter(Boolean);
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const loaded = [];
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for (const file of candidates) {
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if (!fs.existsSync(file)) continue;
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const body = fs.readFileSync(file, 'utf-8');
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for (const line of body.split(/\r?\n/)) {
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const match = line.match(/^\s*([A-Za-z_][A-Za-z0-9_]*)\s*=\s*(.*?)\s*$/);
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if (!match || match[1].startsWith('#')) continue;
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let value = match[2];
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if ((value.startsWith('"') && value.endsWith('"')) || (value.startsWith("'") && value.endsWith("'"))) {
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value = value.slice(1, -1);
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}
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if (!process.env[match[1]] && value) process.env[match[1]] = value;
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}
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loaded.push(file);
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}
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if (!process.env.GOOGLE_GENERATIVE_AI_API_KEY) {
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process.env.GOOGLE_GENERATIVE_AI_API_KEY = process.env.GOOGLE_CLOUD_API_KEY || process.env.GEMINI_API_KEY;
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}
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return loaded;
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}
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export function resolveProviderSelection(providerNames, modelOverrides = {}) {
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return providerNames.map((provider) => {
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const profile = PROVIDER_PROFILES[provider];
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if (!profile) throw new Error(`unknown provider ${JSON.stringify(provider)}`);
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const keyPresent = profile.envKeys.some((key) => Boolean(process.env[key]));
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return {
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provider,
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label: profile.label,
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model: modelOverrides[provider] || profile.model,
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keyPresent,
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pricePerMillion: profile.pricePerMillion,
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effort: profile.effort,
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priceSource: profile.priceSource,
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};
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});
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}
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export function createProviderLiveAgent({ provider, model, strategy, liveSpec, onRecord = () => {} }) {
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const strategyConfig = STRATEGIES[strategy];
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if (!strategyConfig) throw new Error(`unknown strategy ${JSON.stringify(strategy)}`);
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const languageModel = providerModel(provider, model);
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const system = strategyConfig.promptMode === 'full-live-context'
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? `${COMPACT_CONTRACT}\n\nFULL LIVE CONTEXT:\n${liveSpec}`
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: COMPACT_CONTRACT;
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const pendingParallel = new Map();
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const pendingFirst = new Map();
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const request = async ({ event, phase, lane = null, firstVariant = null }) => {
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const startedAt = performance.now();
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const expectedCount = Number(event.count);
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const payload = benchmarkPayload(event, { phase, lane, firstVariant });
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const basePrompt = [
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'Produce Impeccable Live variant output for this request. Return only the JSON object.',
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phaseInstructions(phase, expectedCount, lane),
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'',
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'<benchmark_context>',
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JSON.stringify(payload, null, 2),
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'</benchmark_context>',
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].join('\n');
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let prompt = basePrompt;
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let lastError;
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for (let attempt = 1; attempt <= 2; attempt += 1) {
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const attemptStartedAt = performance.now();
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let usage = null;
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try {
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const response = await generateText({
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model: languageModel,
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system,
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prompt,
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maxOutputTokens: 12_000,
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...providerLatencyOptions(provider),
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});
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usage = normalizeUsage(response.usage);
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const parsed = parseVariantResponse(response.text);
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const validationError = validateVariantOutput(parsed, event, { phase, firstVariant });
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if (validationError) throw new Error(validationError);
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const record = {
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provider,
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model,
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strategy,
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phase,
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lane,
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attempt,
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durationMs: roundMs(performance.now() - attemptStartedAt),
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totalPhaseMs: roundMs(performance.now() - startedAt),
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usage,
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estimatedCostUsd: estimateCostUsd(usage, PROVIDER_PROFILES[provider].pricePerMillion),
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output: parsed,
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};
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onRecord(record);
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return parsed;
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} catch (error) {
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lastError = error;
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onRecord({
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provider,
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model,
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strategy,
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phase,
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lane,
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attempt,
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durationMs: roundMs(performance.now() - attemptStartedAt),
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usage,
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estimatedCostUsd: usage ? estimateCostUsd(usage, PROVIDER_PROFILES[provider].pricePerMillion) : 0,
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error: String(error?.message || error),
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});
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prompt = `${basePrompt}\n\nVALIDATION ERROR:\n${String(error?.message || error)}\nReturn corrected JSON only.`;
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}
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}
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throw lastError;
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};
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if (strategy === 'atomic-full') {
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return {
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async generateVariants(event) {
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return request({ event, phase: 'atomic' });
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},
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};
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}
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if (strategy === 'parallel-compact') {
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return {
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async generateFirstVariant(event) {
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const lanes = ['hierarchy', 'layout', 'density'];
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const calls = lanes.map((lane) => {
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const laneEvent = { ...event, count: 1 };
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return request({ event: laneEvent, phase: 'parallel-lane', lane }).then((output) => ({ lane, output }));
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});
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const first = await Promise.race(calls);
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pendingParallel.set(event.id, { calls, first });
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return first.output;
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},
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async generateRemainingVariants(event) {
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const pending = pendingParallel.get(event.id);
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if (!pending) throw new Error(`parallel generation state missing for ${event.id}`);
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const settled = await Promise.all(pending.calls);
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pendingParallel.delete(event.id);
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const ordered = [pending.first, ...settled.filter((item) => item !== pending.first)];
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const variants = ordered.map((item) => item.output.variants[0]);
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const scopedCss = ordered.map((item, index) => remapSingleVariantCss(item.output.scopedCss, index + 1)).join('\n');
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const output = { scopedCss, variants };
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onRecord({ provider, model, strategy, phase: 'parallel-assembled', lane: null, attempt: 1, usage: normalizeUsage(), estimatedCostUsd: 0, output });
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return output;
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},
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};
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}
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return {
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async generateFirstVariant(event) {
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const first = await request({ event: { ...event, count: 1 }, phase: 'first' });
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pendingFirst.set(event.id, first);
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return first;
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},
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async generateRemainingVariants(event, context) {
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const first = pendingFirst.get(event.id) || context.firstOutput;
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if (!first?.variants?.[0]) throw new Error(`first variant state missing for ${event.id}`);
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const remaining = await request({
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event: { ...event, count: Math.max(1, event.count - 1) },
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phase: 'remaining-directions',
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firstVariant: first.variants[0],
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});
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pendingFirst.delete(event.id);
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return assembleProgressiveOutput(first, remaining);
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},
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};
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}
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export function scoreVariantOutput(output, { validationError = null } = {}) {
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const variants = Array.isArray(output?.variants) ? output.variants : [];
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const css = String(output?.scopedCss || '');
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const perVariant = variants.map((variant) => String(variant.innerHtml || ''));
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const copyChecks = perVariant.flatMap((html) => BRAND_CONTRACT.requiredCopy.map((copy) => html.includes(copy)));
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const componentChecks = perVariant.flatMap((html) => [
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/^\s*<article\b/i.test(html),
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/\bclass=["'][^"']*\boffer-card\b/.test(html),
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...BRAND_CONTRACT.requiredClasses.slice(1).map((className) => new RegExp(`\\b${escapeRegExp(className)}\\b`).test(html)),
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/href=["']#edition["']/.test(html),
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/aria-labelledby=["']field-notes-title["']/.test(html),
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]);
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const usedTokens = BRAND_CONTRACT.allowedTokens.filter((token) => css.includes(`var(${token}`));
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const rawColors = css.match(/#[0-9a-f]{3,8}\b|\b(?:rgb|hsl|oklch|lab)\s*\(/gi) || [];
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const foreignFonts = css.match(/font-family\s*:\s*([^;}]+)/gi) || [];
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const tokenChecks = [
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usedTokens.length >= 3,
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rawColors.length === 0,
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foreignFonts.every((declaration) => /var\(--font-(?:display|body)\)|inherit|serif|sans-serif/.test(declaration)),
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!/\b(?:margin|padding|gap|border-radius)\s*:\s*(?!var\(|0(?:\D|$))[^;}]+/i.test(css),
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];
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const brandChecks = [
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/var\(--color-(?:paper|paper-deep|ink|moss|brass)\)/.test(css),
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!/(?:linear|radial|conic)-gradient|backdrop-filter|filter\s*:\s*blur|text-shadow|box-shadow/i.test(css),
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!/\b(?:neon|glass|glow|purple|magenta|cyan)\b/i.test(`${css}\n${perVariant.join('\n')}`),
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!/border-radius\s*:\s*(?:999|[5-9]\d)px/i.test(css),
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];
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const sourceChecks = [
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!validationError,
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variants.length > 0,
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perVariant.every((html) => !/data-impeccable-|<script|<style/i.test(html)),
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perVariant.every((html) => /^\s*<article\b[\s\S]*<\/article>\s*$/i.test(html)),
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];
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const dimensions = {
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brandFidelity: dimension(brandChecks),
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componentFidelity: dimension(componentChecks),
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tokenFidelity: dimension(tokenChecks),
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copyFidelity: dimension(copyChecks),
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sourceValidity: dimension(sourceChecks),
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};
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const overall = roundScore(Object.values(dimensions).reduce((sum, value) => sum + value, 0) / Object.keys(dimensions).length);
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return {
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...dimensions,
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overall,
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passed: overall >= 0.9 && Object.values(dimensions).every((value) => value >= 0.75),
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diagnostics: {
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usedTokens,
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rawColorCount: rawColors.length,
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validationError,
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},
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};
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}
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export function validateAcceptedCleanup({ source, browserClean, buildPassed, expectedCopy = BRAND_CONTRACT.requiredCopy }) {
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const markerFree = !/data-impeccable-|impeccable-(?:variants|carbonize|params|original)/i.test(source);
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const copyPreserved = expectedCopy.every((copy) => source.includes(copy));
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const sourceShape = /<article\b[^>]*\boffer-card\b[\s\S]*<\/article>/.test(source);
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const checks = { markerFree, copyPreserved, sourceShape, browserClean: Boolean(browserClean), buildPassed: Boolean(buildPassed) };
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return { ...checks, passed: Object.values(checks).every(Boolean) };
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}
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export function applyRuntimeSourceScore(quality, cleanup) {
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const sourceChecks = [cleanup.markerFree, cleanup.copyPreserved, cleanup.sourceShape, cleanup.browserClean, cleanup.buildPassed];
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const sourceValidity = dimension(sourceChecks);
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const dimensions = {
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brandFidelity: quality.brandFidelity,
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componentFidelity: quality.componentFidelity,
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tokenFidelity: quality.tokenFidelity,
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copyFidelity: quality.copyFidelity,
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sourceValidity,
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};
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const overall = roundScore(Object.values(dimensions).reduce((sum, value) => sum + value, 0) / Object.keys(dimensions).length);
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return {
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...quality,
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...dimensions,
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overall,
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passed: cleanup.passed === true && overall >= 0.9 && Object.values(dimensions).every((value) => value >= 0.75),
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};
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}
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export function assembleProgressiveOutput(first, remaining) {
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if (!first?.variants?.[0]) throw new Error('progressive assembly requires a first variant');
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if (!Array.isArray(remaining?.variants) || remaining.variants.length === 0) {
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throw new Error('progressive assembly requires remaining variants');
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}
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return {
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scopedCss: [first.scopedCss, shiftVariantCss(remaining.scopedCss, 1)].filter(Boolean).join('\n'),
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variants: [first.variants[0], ...remaining.variants],
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};
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}
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export function summarizeProviderRuns(runs) {
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const latencyKeys = ['firstReviewableMs', 'allReadyMs', 'acceptCleanupMs'];
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const metrics = {};
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for (const key of latencyKeys) {
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const values = runs.map((run) => run[key]).filter(Number.isFinite).sort((a, b) => a - b);
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if (values.length) metrics[key] = summarizeNumbers(values);
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}
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const qualityKeys = ['brandFidelity', 'componentFidelity', 'tokenFidelity', 'copyFidelity', 'sourceValidity', 'overall'];
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const quality = {};
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for (const key of qualityKeys) {
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const values = runs.map((run) => run.quality?.[key]).filter(Number.isFinite).sort((a, b) => a - b);
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if (values.length) quality[key] = summarizeNumbers(values);
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}
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return {
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count: runs.length,
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metrics,
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quality,
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cleanupPassRate: runs.length ? roundScore(runs.filter((run) => run.cleanup?.passed).length / runs.length) : 0,
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gatePassRate: runs.length ? roundScore(runs.filter((run) => run.passed).length / runs.length) : 0,
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estimatedCostUsd: roundUsd(runs.reduce((sum, run) => sum + Number(run.estimatedCostUsd || 0), 0)),
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};
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}
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function providerModel(provider, model) {
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if (provider === 'anthropic') return anthropic(model);
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if (provider === 'openai') return openai(model);
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if (provider === 'google') return google(model);
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throw new Error(`unsupported provider ${provider}`);
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}
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function providerLatencyOptions(provider) {
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if (provider === 'anthropic') return { providerOptions: { anthropic: { effort: 'low' } } };
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if (provider === 'openai') return { providerOptions: { openai: { reasoningEffort: 'low' } } };
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// Gemini 3.1 Flash-Lite defaults to minimal thinking; leaving the provider
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// option unset preserves that latency-oriented default across SDK versions.
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return {};
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}
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function benchmarkPayload(event, { phase, lane, firstVariant }) {
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return {
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request: {
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id: event.id,
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action: event.action,
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freeformPrompt: event.freeformPrompt,
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count: event.count,
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phase,
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lane,
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firstVariant,
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},
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pickedElement: event.element,
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identityLock: BRAND_CONTRACT.identity,
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sourceExcerpt: BRAND_CONTRACT.sourceExcerpt,
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availableTokens: BRAND_CONTRACT.allowedTokens,
|
|
componentContract: {
|
|
rootTag: 'article',
|
|
requiredClasses: BRAND_CONTRACT.requiredClasses,
|
|
requiredHref: '#edition',
|
|
requiredAriaLabelledby: 'field-notes-title',
|
|
exactVisibleCopy: BRAND_CONTRACT.requiredCopy,
|
|
},
|
|
};
|
|
}
|
|
|
|
function phaseInstructions(phase, count, lane) {
|
|
if (phase === 'first') {
|
|
return 'Return exactly one variant. Use params: [] so tunables stay off the first-reviewable path.';
|
|
}
|
|
if (phase === 'remaining-directions') {
|
|
return `Return exactly ${count} new variants for different axes. Do not reproduce request.firstVariant; assembly preserves that first output byte-for-byte.`;
|
|
}
|
|
if (phase === 'parallel-lane') {
|
|
return `Return exactly one complete variant whose primary difference axis is ${lane}. It must stand alone and may include 0-3 useful params.`;
|
|
}
|
|
return `Return exactly ${count} complete variants in one response.`;
|
|
}
|
|
|
|
function validateVariantOutput(parsed, event, { phase, firstVariant }) {
|
|
const phaseEvent = phase === 'first'
|
|
? { ...event, progressive: { phase: 'first', totalCount: 3 } }
|
|
: event;
|
|
return validateVariantCount(parsed, phaseEvent)
|
|
|| validateProgressiveVariantOutput(parsed, phaseEvent)
|
|
|| validateVariantVisibleCopy(parsed, event.element)
|
|
|| validateVariantMaterialChange(parsed, event.element);
|
|
}
|
|
|
|
function remapSingleVariantCss(css, variantNumber) {
|
|
return String(css)
|
|
.replaceAll('[data-impeccable-variant="1"]', `[data-impeccable-variant="${variantNumber}"]`)
|
|
.replaceAll("[data-impeccable-variant='1']", `[data-impeccable-variant='${variantNumber}']`);
|
|
}
|
|
|
|
function shiftVariantCss(css, amount) {
|
|
return String(css).replace(/(data-impeccable-variant=["'])(\d+)(["'])/g, (_, before, number, after) => {
|
|
return `${before}${Number(number) + amount}${after}`;
|
|
});
|
|
}
|
|
|
|
function normalizeUsage(usage = {}) {
|
|
const input = numberFrom(usage.inputTokens, usage.promptTokens, usage.inputTokenDetails?.noCacheTokens);
|
|
const cached = numberFrom(usage.cachedInputTokens, usage.inputTokenDetails?.cacheReadTokens, usage.inputTokenDetails?.cachedTokens);
|
|
const output = numberFrom(usage.outputTokens, usage.completionTokens);
|
|
return {
|
|
inputTokens: input,
|
|
cachedInputTokens: cached,
|
|
outputTokens: output,
|
|
totalTokens: numberFrom(usage.totalTokens, input + output),
|
|
};
|
|
}
|
|
|
|
export function estimateCostUsd(usage, pricing) {
|
|
const cached = Math.min(usage.cachedInputTokens || 0, usage.inputTokens || 0);
|
|
const uncached = Math.max(0, (usage.inputTokens || 0) - cached);
|
|
return roundUsd((
|
|
uncached * pricing.input
|
|
+ cached * pricing.cachedInput
|
|
+ (usage.outputTokens || 0) * pricing.output
|
|
) / 1_000_000);
|
|
}
|
|
|
|
function numberFrom(...values) {
|
|
for (const value of values) if (Number.isFinite(value)) return Number(value);
|
|
return 0;
|
|
}
|
|
|
|
function dimension(checks) {
|
|
return checks.length ? roundScore(checks.filter(Boolean).length / checks.length) : 0;
|
|
}
|
|
|
|
function summarizeNumbers(values) {
|
|
return {
|
|
median: roundMs(percentile(values, 0.5)),
|
|
p95: roundMs(percentile(values, 0.95)),
|
|
min: roundMs(values[0]),
|
|
max: roundMs(values.at(-1)),
|
|
};
|
|
}
|
|
|
|
function percentile(values, ratio) {
|
|
if (values.length === 1) return values[0];
|
|
const index = (values.length - 1) * ratio;
|
|
const lower = Math.floor(index);
|
|
const upper = Math.ceil(index);
|
|
if (lower === upper) return values[lower];
|
|
return values[lower] + (values[upper] - values[lower]) * (index - lower);
|
|
}
|
|
|
|
function escapeRegExp(value) {
|
|
return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
|
|
}
|
|
|
|
function roundMs(value) {
|
|
return Number(Number(value).toFixed(2));
|
|
}
|
|
|
|
function roundScore(value) {
|
|
return Number(Number(value).toFixed(4));
|
|
}
|
|
|
|
function roundUsd(value) {
|
|
return Number(Number(value).toFixed(6));
|
|
}
|