a2a-source-edit: write frontend/src/App.jsx
This commit is contained in:
a2a-cloud
@@ -1,157 +1,306 @@
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import { useEffect, useMemo, useState } from "react";
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import {
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callSkill,
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loadAgentConfig,
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loadSession,
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sampleArgs,
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signInUrl,
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} from "./a2a.js";
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import { callSkill, loadAgentConfig, loadSession, signInUrl } from "./a2a.js";
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const MAX_UPLOAD_BYTES = 64 * 1024;
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const DEFAULT_QUOTES = [
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{ vendor: "Acme Bearings", unit_price: 10.75, quantity: 500, delivery_days: 12, warranty_months: 12 },
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{ vendor: "Beta Industrial", unit_price: 9.1, quantity: 500, delivery_days: 8, warranty_months: 18 },
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];
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const DEFAULT_WEIGHTS = { price: 50, delivery: 30, warranty: 20 };
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function emptyQuote(index) {
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return { vendor: `Vendor ${index + 1}`, unit_price: 0, quantity: 1, delivery_days: 0, warranty_months: 0 };
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}
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function toNumber(value) {
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const parsed = Number(value);
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return Number.isFinite(parsed) ? parsed : 0;
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}
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function csvToQuotes(text) {
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const lines = text.split(/\r?\n/).filter((line) => line.trim());
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if (lines.length < 2) throw new Error("CSV needs a header row and at least two quote rows.");
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const headers = lines[0].split(",").map((item) => item.trim());
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const required = ["vendor", "unit_price", "quantity", "delivery_days", "warranty_months"];
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for (const key of required) {
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if (!headers.includes(key)) throw new Error(`CSV missing ${key} header.`);
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}
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return lines.slice(1).map((line) => {
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const cells = line.split(",").map((item) => item.trim());
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const row = Object.fromEntries(headers.map((header, index) => [header, cells[index] ?? ""]));
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return {
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vendor: row.vendor,
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unit_price: toNumber(row.unit_price),
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quantity: Math.trunc(toNumber(row.quantity)),
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delivery_days: Math.trunc(toNumber(row.delivery_days)),
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warranty_months: Math.trunc(toNumber(row.warranty_months)),
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};
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});
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}
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function validateForm(comparisonId, quotes, weights) {
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if (!comparisonId.trim()) return "Comparison ID is required.";
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if (!/^[A-Za-z0-9][A-Za-z0-9_.:-]{0,79}$/.test(comparisonId.trim())) {
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return "Comparison ID must be 1-80 safe characters (letters, numbers, dash, underscore, colon, dot).";
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}
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if (quotes.length < 2) return "Add at least two quotes.";
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if (quotes.length > 25) return "Compare at most 25 quotes.";
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const vendors = new Set();
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for (const quote of quotes) {
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if (!quote.vendor.trim()) return "Every quote needs a vendor name.";
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const key = quote.vendor.trim().toLowerCase();
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if (vendors.has(key)) return "Vendor names must be unique.";
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vendors.add(key);
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if (toNumber(quote.unit_price) <= 0) return `${quote.vendor} needs a positive unit price.`;
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if (Math.trunc(toNumber(quote.quantity)) <= 0) return `${quote.vendor} needs a positive quantity.`;
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if (Math.trunc(toNumber(quote.delivery_days)) < 0) return `${quote.vendor} delivery days cannot be negative.`;
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if (Math.trunc(toNumber(quote.warranty_months)) < 0) return `${quote.vendor} warranty cannot be negative.`;
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}
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if (toNumber(weights.price) + toNumber(weights.delivery) + toNumber(weights.warranty) <= 0) {
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return "At least one weight must be greater than zero.";
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}
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return null;
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}
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async function fileToBase64(file) {
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const buffer = await file.arrayBuffer();
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let binary = "";
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const bytes = new Uint8Array(buffer);
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for (let i = 0; i < bytes.byteLength; i += 1) binary += String.fromCharCode(bytes[i]);
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return btoa(binary);
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}
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function ScoreBar({ label, value }) {
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const safe = Math.max(0, Math.min(100, Number(value) || 0));
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return (
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<div className="scorebar">
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<span>{label}</span>
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<div><i style={{ width: `${safe}%` }} /></div>
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<b>{safe.toFixed(1)}</b>
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</div>
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);
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}
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export function App() {
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const [config, setConfig] = useState(null);
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const [session, setSession] = useState(null);
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const [selectedSkillName, setSelectedSkillName] = useState("");
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const [argsText, setArgsText] = useState("{}");
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const [comparisonId, setComparisonId] = useState("studio-quote-v1");
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const [quotes, setQuotes] = useState(DEFAULT_QUOTES);
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const [weights, setWeights] = useState(DEFAULT_WEIGHTS);
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const [result, setResult] = useState(null);
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const [status, setStatus] = useState("Loading QuoteJudge...");
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const [error, setError] = useState(null);
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const [running, setRunning] = useState(false);
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const [uploadFile, setUploadFile] = useState(null);
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useEffect(() => {
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loadAgentConfig()
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.then((data) => {
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.then(async (data) => {
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setConfig(data);
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const firstSkill = data.skills?.[0];
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if (firstSkill) {
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setSelectedSkillName(firstSkill.name);
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setArgsText(JSON.stringify(sampleArgs(firstSkill), null, 2));
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setStatus(null);
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try {
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setSession(await loadSession(data));
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} catch {
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setSession({ authenticated: false });
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}
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return loadSession(data).catch(() => null);
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})
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.then((sessionData) => setSession(sessionData))
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.catch((err) => setError(err.message || String(err)));
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.catch((err) => {
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setError(err.message || String(err));
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setStatus(null);
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});
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}, []);
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const selectedSkill = useMemo(
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() => config?.skills?.find((skill) => skill.name === selectedSkillName),
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[config, selectedSkillName],
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);
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const needsSignIn = Boolean(config?.auth?.invokeRequiresSession && session && !session.authenticated);
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const signInHref = useMemo(() => (config ? signInUrl(config) : null), [config]);
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const winner = result?.ok ? result.recommendation : null;
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const needsSignIn = Boolean(
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config?.auth?.invokeRequiresSession && session && !session.authenticated,
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);
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const signInHref = useMemo(
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() => (config && needsSignIn ? signInUrl(config) : null),
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[config, needsSignIn],
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);
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function selectSkill(skill) {
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setSelectedSkillName(skill.name);
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setArgsText(JSON.stringify(sampleArgs(skill), null, 2));
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setResult(null);
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setError(null);
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function updateQuote(index, field, value) {
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setQuotes((items) => items.map((quote, i) => (i === index ? { ...quote, [field]: value } : quote)));
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}
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async function runSkill(event) {
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function normalizedQuotes() {
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return quotes.map((quote) => ({
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vendor: quote.vendor.trim(),
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unit_price: toNumber(quote.unit_price),
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quantity: Math.trunc(toNumber(quote.quantity)),
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delivery_days: Math.trunc(toNumber(quote.delivery_days)),
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warranty_months: Math.trunc(toNumber(quote.warranty_months)),
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}));
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}
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async function runCompare(event) {
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event.preventDefault();
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if (!config || !selectedSkill) return;
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if (!config) return;
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const cleanQuotes = normalizedQuotes();
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const validation = validateForm(comparisonId, cleanQuotes, weights);
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if (validation) {
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setError(validation);
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return;
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}
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setRunning(true);
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setError(null);
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setResult(null);
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setStatus("Comparing quotes and saving recommendation...");
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try {
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const args = JSON.parse(argsText || "{}");
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const data = await callSkill(config, selectedSkill.name, args);
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let data;
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if (uploadFile) {
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if (uploadFile.size > MAX_UPLOAD_BYTES) throw new Error(`Upload must be at most ${MAX_UPLOAD_BYTES} bytes.`);
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const mediaType = uploadFile.type || (uploadFile.name.endsWith(".json") ? "application/json" : "text/csv");
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if (!["text/csv", "text/plain", "application/json"].includes(mediaType)) {
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throw new Error("Upload must be CSV, plain text CSV, or JSON.");
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}
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data = await callSkill(config, "compare_quotes_upload", {
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comparison_id: comparisonId.trim(),
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upload: { filename: uploadFile.name, media_type: mediaType, data_base64: await fileToBase64(uploadFile) },
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weights: { price: toNumber(weights.price), delivery: toNumber(weights.delivery), warranty: toNumber(weights.warranty) },
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});
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} else {
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data = await callSkill(config, "compare_quotes", {
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comparison_id: comparisonId.trim(),
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quotes: cleanQuotes,
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weights: { price: toNumber(weights.price), delivery: toNumber(weights.delivery), warranty: toNumber(weights.warranty) },
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});
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}
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setResult(data);
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if (!data.ok) setError(data.message || data.code || "Comparison failed.");
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} catch (err) {
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if (/401|sign in/i.test(err.message || "")) setError("Session required or expired. Use Sign in to run, then retry.");
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else setError(err.message || String(err));
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} finally {
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setRunning(false);
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setStatus(null);
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}
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}
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async function reloadComparison() {
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if (!config) return;
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setRunning(true);
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setError(null);
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setStatus("Reopening saved comparison...");
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try {
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const data = await callSkill(config, "get_comparison", { comparison_id: comparisonId.trim() });
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setResult(data);
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if (!data.ok) setError(data.message || data.code || "Not found.");
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} catch (err) {
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setError(err.message || String(err));
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} finally {
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setRunning(false);
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setStatus(null);
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}
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}
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async function handleUpload(file) {
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setUploadFile(file || null);
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setError(null);
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if (!file) return;
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if (file.size > MAX_UPLOAD_BYTES) {
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setError(`Upload must be at most ${MAX_UPLOAD_BYTES} bytes.`);
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return;
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}
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const text = await file.text();
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try {
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let parsed;
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if ((file.type || "").includes("json") || file.name.endsWith(".json")) {
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const raw = JSON.parse(text);
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parsed = Array.isArray(raw) ? raw : raw.quotes;
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} else {
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parsed = csvToQuotes(text);
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}
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if (Array.isArray(parsed) && parsed.length) setQuotes(parsed);
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} catch (err) {
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setError(`Preview parse failed: ${err.message || String(err)}. You can still clear the file and paste rows manually.`);
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}
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}
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if (!config) {
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return (
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<main className="loading">
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<p>{error || "Loading A2A agent contract..."}</p>
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</main>
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);
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return <main className="loading"><p>{status || error || "Loading..."}</p></main>;
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}
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return (
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<main className="app-shell">
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<aside className="sidebar">
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<main className="product-shell">
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<section className="hero">
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<div>
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<p className="eyebrow">A2A packed app</p>
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<h1>quote-judge-studio-v1</h1>
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<p className="agent-meta">
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{config.agent.name} v{config.agent.version}
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</p>
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<p className="eyebrow">QuoteJudge</p>
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<h1>Pick the best vendor quote with transparent weighted scoring.</h1>
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<p className="lede">Paste or upload quote rows, weight price/delivery/warranty, save the recommendation, and reopen it later under your A2A Cloud user account.</p>
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</div>
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<aside className="session-card">
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<span>{session?.authenticated ? "Signed in" : "Signed out"}</span>
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<strong>{session?.user?.email || session?.email || session?.org?.slug || "A2A Cloud user"}</strong>
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{needsSignIn && signInHref ? <a href={signInHref}>Sign in to run</a> : null}
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<small>Agent: {config.agent.name} v{config.agent.version} · MCP {config.card?.mcp_endpoint || "/mcp"}</small>
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</aside>
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</section>
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<nav className="skill-list" aria-label="Agent skills">
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{(config.skills || []).map((skill) => (
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<button
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className={skill.name === selectedSkillName ? "skill active" : "skill"}
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key={skill.name}
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onClick={() => selectSkill(skill)}
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type="button"
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>
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<span>{skill.name}</span>
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<small>{skill.stream ? "streaming" : "request"}</small>
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</button>
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))}
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</nav>
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<div className="session">
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<span>{session?.authenticated ? "Signed in" : needsSignIn ? "Signed out" : "Local session"}</span>
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<strong>{session?.user?.email || session?.org?.slug || "dev@example.local"}</strong>
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{/* Skills that spend the caller's LLM budget need a signed-in
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visitor even when the page itself is public, so offer the way in
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rather than failing at the first click. */}
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{needsSignIn && signInHref ? (
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<a className="signin" href={signInHref}>Sign in to run</a>
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) : null}
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</div>
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</aside>
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<section className="workbench">
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<header className="toolbar">
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<div>
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<p className="eyebrow">Skill runner</p>
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<h2>{selectedSkill?.name || "No skills found"}</h2>
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<form className="studio" onSubmit={runCompare}>
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<section className="panel inputs">
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<div className="section-title">
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<div><p className="eyebrow">1 · Input</p><h2>Quotes</h2></div>
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<button type="button" onClick={() => setQuotes((items) => [...items, emptyQuote(items.length)])}>Add quote</button>
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</div>
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<a href={config.docs.base} rel="noreferrer" target="_blank">
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Docs
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</a>
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</header>
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{selectedSkill ? (
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<form className="runner" onSubmit={runSkill}>
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<label>
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Arguments JSON
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<textarea
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spellCheck="false"
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value={argsText}
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onChange={(event) => setArgsText(event.target.value)}
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/>
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<label className="field">Comparison ID
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<input value={comparisonId} onChange={(event) => setComparisonId(event.target.value)} placeholder="studio-quote-v1" />
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</label>
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<div className="upload-box">
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<label>Upload CSV/JSON (bounded browser bridge, max 64 KiB)
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<input accept=".csv,.json,text/csv,text/plain,application/json" type="file" onChange={(event) => handleUpload(event.target.files?.[0])} />
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</label>
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<button disabled={running} type="submit">
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{running ? "Running..." : `Run ${selectedSkill.name}`}
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</button>
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</form>
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) : (
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<p className="empty">Add a `@a2a.tool` to your agent to make it callable here.</p>
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)}
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<section className="panels">
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<div className="panel">
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<h3>Input schema</h3>
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<pre>{JSON.stringify(selectedSkill?.input_schema || {}, null, 2)}</pre>
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{uploadFile ? <button type="button" onClick={() => setUploadFile(null)}>Use pasted rows instead</button> : null}
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</div>
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<div className="panel">
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<h3>Result</h3>
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<pre>{error || JSON.stringify(result, null, 2) || "No run yet."}</pre>
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<div className="quotes-table" role="table" aria-label="Vendor quotes">
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<div className="quote-row header" role="row">
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<span>Vendor</span><span>Unit price</span><span>Qty</span><span>Delivery days</span><span>Warranty months</span><span />
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</div>
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{quotes.map((quote, index) => (
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<div className="quote-row" role="row" key={`${quote.vendor}-${index}`}>
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<input aria-label={`Vendor ${index + 1}`} value={quote.vendor} onChange={(event) => updateQuote(index, "vendor", event.target.value)} />
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<input aria-label={`Unit price ${index + 1}`} type="number" min="0" step="0.01" value={quote.unit_price} onChange={(event) => updateQuote(index, "unit_price", event.target.value)} />
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<input aria-label={`Quantity ${index + 1}`} type="number" min="1" step="1" value={quote.quantity} onChange={(event) => updateQuote(index, "quantity", event.target.value)} />
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<input aria-label={`Delivery days ${index + 1}`} type="number" min="0" step="1" value={quote.delivery_days} onChange={(event) => updateQuote(index, "delivery_days", event.target.value)} />
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<input aria-label={`Warranty months ${index + 1}`} type="number" min="0" step="1" value={quote.warranty_months} onChange={(event) => updateQuote(index, "warranty_months", event.target.value)} />
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<button type="button" disabled={quotes.length <= 1} onClick={() => setQuotes((items) => items.filter((_, i) => i !== index))}>Remove</button>
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</div>
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))}
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</div>
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</section>
|
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<section className="panel weights">
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<div><p className="eyebrow">2 · Priorities</p><h2>Weights</h2></div>
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{Object.keys(weights).map((key) => (
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<label className="slider" key={key}>{key}
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<input type="range" min="0" max="100" value={weights[key]} onChange={(event) => setWeights((value) => ({ ...value, [key]: Number(event.target.value) }))} />
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<output>{weights[key]}</output>
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</label>
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))}
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<div className="actions">
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<button disabled={running || needsSignIn} type="submit">{running ? "Working..." : "Compare & save"}</button>
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<button disabled={running || needsSignIn} type="button" onClick={reloadComparison}>Reopen saved</button>
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</div>
|
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{needsSignIn ? <p className="notice">Sign in with A2A Cloud to run tools and access your user-scoped database records.</p> : null}
|
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{status ? <p className="notice">{status}</p> : null}
|
||||
{error ? <p className="error" role="alert">{error}</p> : null}
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||||
</section>
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</form>
|
||||
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||||
<section className="panel result-panel">
|
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<div className="section-title"><div><p className="eyebrow">3 · Recommendation</p><h2>{winner ? winner.vendor : "No comparison yet"}</h2></div>{result?.reloaded ? <span className="pill">Reloaded from Postgres</span> : null}</div>
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{result?.ok ? (
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<div className="result-grid">
|
||||
<div className="winner-card"><strong>{winner.vendor}</strong><span>{winner.weighted_score.toFixed(1)} weighted score</span><p>{winner.rationale}</p></div>
|
||||
<div className="scores">
|
||||
{result.quotes.map((quote) => <ScoreBar key={quote.vendor} label={quote.vendor} value={quote.weighted_score} />)}
|
||||
</div>
|
||||
<table>
|
||||
<thead><tr><th>Vendor</th><th>Total price</th><th>Delivery</th><th>Warranty</th><th>Weighted</th></tr></thead>
|
||||
<tbody>{result.quotes.map((quote) => <tr key={quote.vendor}><td>{quote.vendor}</td><td>{quote.total_price.toLocaleString(undefined, { style: "currency", currency: "BRL" })}</td><td>{quote.delivery_days} days</td><td>{quote.warranty_months} mo</td><td>{quote.weighted_score.toFixed(1)}</td></tr>)}</tbody>
|
||||
</table>
|
||||
<p className="receipt">Receipt persisted: {String(result.receipt?.persisted)} · comparison_id={result.comparison_id}</p>
|
||||
</div>
|
||||
) : (
|
||||
<p className="empty">Run the success fixture or upload your own CSV/JSON to see a saved recommendation here.</p>
|
||||
)}
|
||||
</section>
|
||||
</main>
|
||||
);
|
||||
|
||||
Reference in New Issue
Block a user