Deposition Workflow

import Casedev from 'casedev';

const client = new Casedev({ apiKey: process.env.CASEDEV_API_KEY });

async function processDeposition(audioUrl: string, witnessName: string) {
  // 1. Transcribe with speaker labels
  const job = await client.voice.transcription.create({
    audio_url: audioUrl,
    speaker_labels: true,
    auto_chapters: true
  });
  
  // Wait for completion
  let result = await client.voice.transcription.retrieve(job.id);
  while (result.status !== 'completed') {
    await new Promise(r => setTimeout(r, 10000));
    result = await client.voice.transcription.retrieve(job.id);
  }
  
  console.log(`✅ Transcribed ${witnessName}: ${result.text.length} characters`);
  console.log(`   Speakers: ${result.utterances.map(u => u.speaker).filter((v, i, a) => a.indexOf(v) === i).join(', ')}`);
  
  return result;
}

async function findContradictions(vaultId: string, topic: string) {
  // Search across all testimony for the topic
  const results = await client.vault.search(vaultId, {
    query: topic,
    method: 'hybrid',
    topK: 20
  });
  
  // Group by witness
  const byWitness: Record<string, string[]> = {};
  for (const chunk of results.chunks) {
    const witness = chunk.metadata?.witness || chunk.filename;
    if (!byWitness[witness]) byWitness[witness] = [];
    byWitness[witness].push(chunk.text);
  }
  
  // Use AI to find contradictions
  const analysis = await client.llm.v1.chat.createCompletion({
    model: 'anthropic/claude-sonnet-4.5',
    messages: [
      {
        role: 'system',
        content: 'You are a litigation attorney. Analyze testimony from multiple witnesses and identify contradictions. Cite specific quotes.'
      },
      {
        role: 'user',
        content: `Topic: ${topic}\n\nTestimony by witness:\n${Object.entries(byWitness).map(([w, texts]) => `\n## ${w}\n${texts.join('\n')}`).join('\n')}`
      }
    ]
  });
  
  return analysis.choices[0].message.content;
}