exa-advanced-troubleshooting

# Exa Advanced Troubleshooting ## Overview Deep debugging for complex Exa issues: latency spikes, intermittent failures, result quality degradation, and content retrieval failures. All Exa error responses include a `requestId` — always capture it. ## Instructions ### Step 1: Layer-by-Layer Diagnostics ```typescript import Exa from "exa-js"; interface DiagnosticResult { layer: string; success: boolean; latencyMs: number; details: string; } async function diagnoseExa(): Promise<DiagnosticResult[]> { const results: DiagnosticResult[] = []; const exa = new Exa(process.env.EXA_API_KEY); // Layer 1: DNS + Network let start = performance.now(); try { const resp = await fetch("https://api.exa.ai", { method: "HEAD" }); results.push({ layer: "network", success: true, latencyMs: performance.now() - start, details: `HTTP ${resp.status}`, }); } catch (err: any) { results.push({ layer: "network", success: false, latencyMs: performance.now() - start, details: err.message, }); return results; // No point continuing if network fails } // Layer 2: Authentication start = performance.now(); try { await exa.search("auth test", { numResults: 1 }); results.push({ layer: "auth", success: true, latencyMs: performance.now() - start, details: "API key valid", }); } catch (err: any) { results.push({ layer: "auth", success: false, latencyMs...