--- format: typebulb/v1 name: Is It True? --- **code.tsx** ```tsx import React, { useState, useEffect, useCallback } from "react"; import { createRoot } from "react-dom/client"; type TbModel = { provider: string; name: string; friendlyName: string; providerName: string }; type Verdict = "true" | "false" | "unclear"; type Result = { model: TbModel; status: "pending" | "done" | "error"; verdict?: Verdict; reasoning?: string; error?: string; }; const SYSTEM = `Assess whether the following claim is true, false, or unclear. If it involves recent events or specific facts, search the web to verify. Start your response with one of these exact lines: **Verdict: true** **Verdict: false** **Verdict: unclear** Then explain your reasoning in 2-3 sentences.`; const modelLabel = (m: TbModel) => m.providerName ? `${m.providerName}: ${m.friendlyName}` : m.friendlyName; function parseResponse(text: string): { verdict: Verdict; reasoning: string } { const s = text.trim(); const match = s.match(/\*\*Verdict:\s*(true|false|unclear)\*\*/i); const verdict: Verdict = match ? match[1].toLowerCase() as Verdict : "unclear"; const reasoning = match ? s.slice(match.index! + match[0].length).trim() : s; return { verdict, reasoning }; } function summaryText(results: Result[]): string | null { if (results.some(r => r.status === "pending")) return null; const done = results.filter(r => r.status === "done" && r.verdict); const errCount = results.filter(r => r.status === "error").length; if (!done.length) return errCount ? "All models errored." : null; const counts: Record = { true: 0, false: 0, unclear: 0 }; for (const r of done) counts[r.verdict!]++; const n = done.length; const errNote = errCount ? ` (${errCount} errored)` : ""; if (n === 1) return `${done[0].verdict}.${errNote}`; for (const [v, c] of Object.entries(counts)) { if (c === n) return `Unanimous: ${n} of ${n} say it's ${v}.${errNote}`; } const parts = Object.entries(counts) .filter(([, c]) => c > 0) .sort((a, b) => b[1] - a[1]) .map(([v, c]) => `${c} say${c === 1 ? "s" : ""} ${v}`); return `Split: ${parts.join(", ")}.${errNote}`; } // ── App ────────────────────────────────────────────────────────── function App() { const [models, setModels] = useState([]); const [hasOwnKeys, setHasOwnKeys] = useState(true); const [selected, setSelected] = useState>(new Set()); const [claim, setClaim] = useState(""); const [results, setResults] = useState([]); const [running, setRunning] = useState(false); useEffect(() => { Promise.all([tb.models(), tb.hasOwnKeys()]).then(([m, has]) => { setModels(m); setHasOwnKeys(has); if (m.length === 1 && !has) setSelected(new Set([0])); }); }, []); const toggle = (i: number) => setSelected(prev => { const s = new Set(prev); s.has(i) ? s.delete(i) : s.add(i); return s; }); const check = useCallback(async () => { const sel = [...selected].sort(); if (!claim.trim() || !sel.length) return; const initial: Result[] = sel.map(i => ({ model: models[i], status: "pending" })); setResults(initial); setRunning(true); await Promise.all(sel.map(async (modelIdx, resultIdx) => { const model = models[modelIdx]; try { const resp = await tb.ai({ provider: model.provider, model: model.name, system: SYSTEM, messages: [{ role: "user", content: claim.trim() }], }); const { verdict, reasoning } = parseResponse(resp.text); setResults(prev => prev.map((r, i) => i === resultIdx ? { ...r, status: "done", verdict, reasoning } : r)); } catch (e: any) { setResults(prev => prev.map((r, i) => i === resultIdx ? { ...r, status: "error", error: e.message } : r)); } })); setRunning(false); }, [claim, selected, models]); const singleDefault = models.length === 1 && !hasOwnKeys; const sum = summaryText(results); return (

Is it true?