a2a-source-edit: write frontend/src/App.jsx
This commit is contained in:
a2a-cloud
@@ -1,74 +1,66 @@
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import { useEffect, useMemo, useState } from "react";
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import { useEffect, useMemo, useState } from "react";
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import { callSkill, loadAgentConfig, loadSession, signInUrl } from "./a2a.js";
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import {
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callSkill,
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const sampleQuotes = [
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loadAgentConfig,
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{ vendor: "Acme Bearings", unit_price: 10.75, quantity: 500, delivery_days: 12, warranty_months: 12 },
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loadSession,
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{ vendor: "Beta Industrial", unit_price: 9.1, quantity: 500, delivery_days: 8, warranty_months: 18 },
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sampleArgs,
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];
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signInUrl,
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} from "./a2a.js";
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const defaultWeights = { price: 50, delivery: 30, warranty: 20 };
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const maxUploadBytes = 64 * 1024;
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const acceptedTypes = ["application/json", "text/csv", "text/plain"];
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export function App() {
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export function App() {
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const [config, setConfig] = useState(null);
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const [config, setConfig] = useState(null);
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const [session, setSession] = useState(null);
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const [session, setSession] = useState(null);
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const [comparisonId, setComparisonId] = useState("studio-quote-v1");
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const [selectedSkillName, setSelectedSkillName] = useState("");
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const [quotesText, setQuotesText] = useState(JSON.stringify(sampleQuotes, null, 2));
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const [argsText, setArgsText] = useState("{}");
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const [weights, setWeights] = useState(defaultWeights);
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const [result, setResult] = useState(null);
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const [result, setResult] = useState(null);
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const [history, setHistory] = useState([]);
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const [error, setError] = useState(null);
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const [error, setError] = useState(null);
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const [notice, setNotice] = useState(null);
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const [running, setRunning] = useState(false);
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const [running, setRunning] = useState(false);
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useEffect(() => {
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useEffect(() => {
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loadAgentConfig()
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loadAgentConfig()
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.then(async (data) => {
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.then((data) => {
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setConfig(data);
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setConfig(data);
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const sessionData = await loadSession(data).catch(() => ({ authenticated: false }));
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const firstSkill = data.skills?.[0];
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setSession(sessionData);
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if (firstSkill) {
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if (!data.auth?.invokeRequiresSession || sessionData?.authenticated) {
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setSelectedSkillName(firstSkill.name);
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refreshHistory(data).catch(() => null);
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setArgsText(JSON.stringify(sampleArgs(firstSkill), null, 2));
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}
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}
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return loadSession(data).catch(() => null);
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})
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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) => setError(err.message || String(err)));
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}, []);
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}, []);
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const needsSignIn = Boolean(config?.auth?.invokeRequiresSession && session && !session.authenticated);
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const selectedSkill = useMemo(
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const signInHref = useMemo(() => (config && needsSignIn ? signInUrl(config) : null), [config, needsSignIn]);
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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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async function refreshHistory(activeConfig = config) {
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const needsSignIn = Boolean(
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if (!activeConfig) return;
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config?.auth?.invokeRequiresSession && session && !session.authenticated,
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const data = await callSkill(activeConfig, "list_comparisons", { limit: 10 });
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);
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if (data?.ok) setHistory(data.comparisons || []);
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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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}
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}
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function parseQuotes() {
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async function runSkill(event) {
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try {
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const parsed = JSON.parse(quotesText);
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if (!Array.isArray(parsed)) throw new Error("Paste a JSON array of quote objects.");
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return parsed;
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} catch (err) {
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throw new Error(`Quote JSON is invalid: ${err.message || String(err)}`);
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}
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}
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async function compare(event) {
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event.preventDefault();
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event.preventDefault();
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if (!config) return;
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if (!config || !selectedSkill) return;
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setRunning(true);
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setRunning(true);
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setError(null);
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setError(null);
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setNotice(null);
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setResult(null);
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try {
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try {
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const data = await callSkill(config, "compare_quotes", {
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const args = JSON.parse(argsText || "{}");
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comparison_id: comparisonId.trim(),
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const data = await callSkill(config, selectedSkill.name, args);
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quotes: parseQuotes(),
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weights,
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});
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setResult(data);
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setResult(data);
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if (!data.ok) setNotice(data.message || "Validation failed. Check the highlighted response.");
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if (data.ok) await refreshHistory();
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} catch (err) {
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} catch (err) {
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setError(err.message || String(err));
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setError(err.message || String(err));
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} finally {
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} finally {
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@@ -76,225 +68,91 @@ export function App() {
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}
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}
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}
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}
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async function reopen(id) {
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if (!config) return;
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setRunning(true);
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setError(null);
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setNotice(null);
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try {
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const data = await callSkill(config, "get_comparison", { comparison_id: id });
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setComparisonId(id);
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setResult(data);
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if (!data.ok) setNotice(data.message || "Comparison 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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}
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}
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async function handleUpload(event) {
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const files = Array.from(event.target.files || []);
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if (!files.length || !config) return;
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setRunning(true);
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setError(null);
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setNotice(null);
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try {
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const documents = await Promise.all(files.map(fileToBrowserDocument));
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const data = await callSkill(config, "compare_quotes_from_browser_upload", {
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comparison_id: comparisonId.trim(),
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documents,
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weights,
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});
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setResult(data);
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if (!data.ok) setNotice(data.message || "Upload validation failed.");
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if (data.ok) await refreshHistory();
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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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event.target.value = "";
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}
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}
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if (!config) {
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if (!config) {
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return <main className="loading"><p>{error || "Loading QuoteJudge Studio..."}</p></main>;
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}
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return (
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return (
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<main className="app-shell">
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<main className="loading">
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<header className="hero">
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<p>{error || "Loading A2A agent contract..."}</p>
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<div>
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<p className="eyebrow">QuoteJudge Studio</p>
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<h1>Pick the best vendor quote with transparent weighted scoring.</h1>
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<p className="lede">
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Upload or paste at least two quotes, tune price/delivery/warranty weights, save the recommendation,
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and reopen past runs from your platform-authenticated workspace.
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</p>
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</div>
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<div 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 || "Platform session required"}</strong>
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{needsSignIn && signInHref ? <a className="button secondary" href={signInHref}>Sign in to run</a> : null}
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</div>
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</header>
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<section className="grid">
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<form className="card workflow" onSubmit={compare}>
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<div className="card-title">
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<div>
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<p className="eyebrow">Workflow</p>
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<h2>Compare quotes</h2>
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</div>
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<button className="button" disabled={running || needsSignIn} type="submit">
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{running ? "Running..." : "Compare & save"}
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</button>
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</div>
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<label>
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Comparison ID
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<input value={comparisonId} onChange={(event) => setComparisonId(event.target.value)} maxLength={120} />
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</label>
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<fieldset className="weights">
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<legend>Weights</legend>
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{Object.keys(defaultWeights).map((key) => (
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<label key={key}>
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{key}
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<input
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type="number"
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min="0"
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max="100"
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value={weights[key]}
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onChange={(event) => setWeights({ ...weights, [key]: Number(event.target.value) })}
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/>
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</label>
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))}
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</fieldset>
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<label>
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Paste quote JSON
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<textarea
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spellCheck="false"
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value={quotesText}
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onChange={(event) => setQuotesText(event.target.value)}
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aria-describedby="quote-help"
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/>
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</label>
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<p id="quote-help" className="help">
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Required fields: vendor, unit_price, quantity, delivery_days, warranty_months. The fixture recommends Beta Industrial.
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</p>
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<div className="upload-box">
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<label>
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Upload JSON, CSV, or plain text
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<input type="file" accept={acceptedTypes.join(",")} multiple onChange={handleUpload} disabled={running || needsSignIn} />
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</label>
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<small>Browser bridge limit: {Math.round(maxUploadBytes / 1024)}KB per file, 4 files.</small>
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</div>
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{needsSignIn ? <p className="notice">Sign in with your A2A Cloud session to run tools and persist results.</p> : null}
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{notice ? <p className="notice">{notice}</p> : null}
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{error ? <p className="error">{error}</p> : null}
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</form>
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<section className="card history">
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<div className="card-title">
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<div>
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<p className="eyebrow">Persistence</p>
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<h2>Saved comparisons</h2>
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</div>
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<button className="button secondary" type="button" onClick={() => refreshHistory()} disabled={running || needsSignIn}>Refresh</button>
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</div>
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{history.length ? (
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<ul>
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{history.map((item) => (
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<li key={item.comparison_id}>
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<button type="button" onClick={() => reopen(item.comparison_id)}>
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<strong>{item.comparison_id}</strong>
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<span>{item.recommendation_vendor} · {item.quote_count || "?"} quotes</span>
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</button>
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</li>
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))}
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</ul>
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) : (
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<p className="empty">No saved comparisons loaded yet. Run the fixture or refresh after signing in.</p>
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)}
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</section>
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</section>
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<ResultPanel result={result} />
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</main>
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</main>
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);
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);
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}
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}
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function ResultPanel({ result }) {
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if (!result) {
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return <section className="card result"><p className="empty">Results will appear here after a comparison or reload call.</p></section>;
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}
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if (!result.ok) {
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return (
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return (
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<section className="card result error-state">
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<main className="app-shell">
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<p className="eyebrow">Validation</p>
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<aside className="sidebar">
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<h2>{result.code}</h2>
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<div>
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<p>{result.message}</p>
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<p className="eyebrow">A2A packed app</p>
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<pre>{JSON.stringify(result.validation_errors || [], null, 2)}</pre>
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<h1>quote-judge-studio-v1</h1>
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</section>
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<p className="agent-meta">
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);
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{config.agent.name} v{config.agent.version}
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}
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</p>
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return (
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<section className="card result">
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<div className="recommendation">
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<p className="eyebrow">Recommendation</p>
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<h2>{result.recommendation.vendor}</h2>
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<p>{result.recommendation.reason}</p>
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{result.receipt?.persisted ? <small>Receipt persisted: {result.receipt.receipt_id}</small> : null}
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</div>
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</div>
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<div className="table-wrap">
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<table>
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<nav className="skill-list" aria-label="Agent skills">
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<thead>
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{(config.skills || []).map((skill) => (
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<tr>
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<button
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<th>Vendor</th><th>Total</th><th>Unit</th><th>Delivery</th><th>Warranty</th><th>Score</th>
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className={skill.name === selectedSkillName ? "skill active" : "skill"}
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</tr>
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key={skill.name}
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</thead>
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onClick={() => selectSkill(skill)}
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<tbody>
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type="button"
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{(result.comparison_table || []).map((row) => (
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>
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<tr key={row.vendor}>
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<span>{skill.name}</span>
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<td>{row.vendor}</td>
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<small>{skill.stream ? "streaming" : "request"}</small>
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<td>{formatCurrency(row.total_price)}</td>
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</button>
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<td>{formatCurrency(row.unit_price)}</td>
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<td>{row.delivery_days} days</td>
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<td>{row.warranty_months} months</td>
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<td>{row.scores.weighted_total}</td>
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</tr>
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))}
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))}
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</tbody>
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</nav>
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</table>
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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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||||||
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<strong>{session?.user?.email || session?.org?.slug || "dev@example.local"}</strong>
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||||||
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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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||||||
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{needsSignIn && signInHref ? (
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||||||
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<a className="signin" href={signInHref}>Sign in to run</a>
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||||||
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) : null}
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||||||
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</div>
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||||||
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</aside>
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||||||
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|
||||||
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<section className="workbench">
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||||||
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<header className="toolbar">
|
||||||
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<div>
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||||||
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<p className="eyebrow">Skill runner</p>
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||||||
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<h2>{selectedSkill?.name || "No skills found"}</h2>
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||||||
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</div>
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||||||
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<a href={config.docs.base} rel="noreferrer" target="_blank">
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||||||
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Docs
|
||||||
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</a>
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||||||
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</header>
|
||||||
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||||||
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{selectedSkill ? (
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||||||
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<form className="runner" onSubmit={runSkill}>
|
||||||
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<label>
|
||||||
|
Arguments JSON
|
||||||
|
<textarea
|
||||||
|
spellCheck="false"
|
||||||
|
value={argsText}
|
||||||
|
onChange={(event) => setArgsText(event.target.value)}
|
||||||
|
/>
|
||||||
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</label>
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||||||
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<button disabled={running} type="submit">
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||||||
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{running ? "Running..." : `Run ${selectedSkill.name}`}
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||||||
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</button>
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||||||
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</form>
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||||||
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) : (
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||||||
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<p className="empty">Add a `@a2a.tool` to your agent to make it callable here.</p>
|
||||||
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)}
|
||||||
|
|
||||||
|
<section className="panels">
|
||||||
|
<div className="panel">
|
||||||
|
<h3>Input schema</h3>
|
||||||
|
<pre>{JSON.stringify(selectedSkill?.input_schema || {}, null, 2)}</pre>
|
||||||
|
</div>
|
||||||
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<div className="panel">
|
||||||
|
<h3>Result</h3>
|
||||||
|
<pre>{error || JSON.stringify(result, null, 2) || "No run yet."}</pre>
|
||||||
</div>
|
</div>
|
||||||
</section>
|
</section>
|
||||||
|
</section>
|
||||||
|
</main>
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
|
|
||||||
async function fileToBrowserDocument(file) {
|
|
||||||
if (file.size > maxUploadBytes) throw new Error(`${file.name} is larger than ${Math.round(maxUploadBytes / 1024)}KB.`);
|
|
||||||
const mediaType = file.type || guessMediaType(file.name);
|
|
||||||
if (!acceptedTypes.includes(mediaType)) throw new Error(`${file.name} must be JSON, CSV, or plain text.`);
|
|
||||||
const dataUrl = await new Promise((resolve, reject) => {
|
|
||||||
const reader = new FileReader();
|
|
||||||
reader.onload = () => resolve(String(reader.result));
|
|
||||||
reader.onerror = () => reject(new Error(`Could not read ${file.name}`));
|
|
||||||
reader.readAsDataURL(file);
|
|
||||||
});
|
|
||||||
return { filename: file.name, media_type: mediaType, data_base64: dataUrl.split(",")[1] || "" };
|
|
||||||
}
|
|
||||||
|
|
||||||
function guessMediaType(filename) {
|
|
||||||
const lower = filename.toLowerCase();
|
|
||||||
if (lower.endsWith(".json")) return "application/json";
|
|
||||||
if (lower.endsWith(".csv")) return "text/csv";
|
|
||||||
return "text/plain";
|
|
||||||
}
|
|
||||||
|
|
||||||
function formatCurrency(value) {
|
|
||||||
return new Intl.NumberFormat(undefined, { style: "currency", currency: "BRL" }).format(Number(value || 0));
|
|
||||||
}
|
|
||||||
|
|||||||
Reference in New Issue
Block a user