Fix Claude AI JSON Errors

You are a JSON extraction assistant.

Return ONLY valid JSON. No markdown. No code fences. No explanation.
No trailing text after the closing brace.

The JSON object must have exactly these fields:
{
  "name": "string",
  "score": number,
  "tags": ["string"]
}

User input: {user_input}

import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic();

async function getStructuredData(userInput: string) {
  const message = await client.messages.create({
    model: 'claude-sonnet-4-6',
    max_tokens: 1024,
    system: `Return ONLY valid JSON. No markdown fences. No explanation.
The response must be a JSON object with: name (string), score (number), tags (array of strings).`,
    messages: [{ role: 'user', content: userInput }],
  });

  const content = message.content[0].text;

  // First try: direct parse
  try {
    return JSON.parse(content);
  } catch {
    // Fallback: repair with AI JSONMedic API
    const repairRes = await fetch('https://aijsonmedic.com/api/repair', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ input: content }),
    });
    const { output, valid } = await repairRes.json();
    if (valid) return JSON.parse(output);
    throw new Error('Claude JSON output could not be repaired');
  }
}