Narrative Generation

POST /api/ai/generate-narrative

const response = await fetch('http://localhost:3001/api/ai/generate-narrative', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    simulationResults: {
      successProbability: 0.78,
      medianOutcome: 52000,
      percentiles: { p10: 35000, p25: 45000, p50: 52000, p75: 60000, p90: 68000 }
    },
    financialProfile: {
      monthlyIncome: 6000,
      monthlySpending: 4200,
      liquidAssets: 15000
    },
    goal: {
      targetAmount: 50000,
      timelineMonths: 36,
      goalType: 'house'
    }
  })
})

const { narrative } = await response.json()
console.log(narrative)
// "Based on 100,000 simulations, you have a 78% chance of reaching your $50,000 house down payment goal in 3 years..."

POST /api/ai/generate-briefing

const response = await fetch('http://localhost:3001/api/ai/generate-briefing', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    simulationResults: { /* ... */ },
    financialProfile: { /* ... */ },
    goal: { /* ... */ },
    voice: 'josh'  // Optional: friendly, conversational voice
  })
})

const { narrative, audioAvailable, audio } = await response.json()

if (audioAvailable) {
  // Play audio in browser
  const audioBlob = new Blob(
    [Uint8Array.from(atob(audio), c => c.charCodeAt(0))],
    { type: 'audio/mpeg' }
  )
  const audioUrl = URL.createObjectURL(audioBlob)
  const audioElement = new Audio(audioUrl)
  audioElement.play()
}