Create a job

curl -X POST https://api.clipfoundry.pl/v1/jobs \
  -H "Authorization: Bearer cf_live_..." \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: my-unique-key-123" \
  -d '{
    "script": "Honey never spoils. Archaeologists found edible jars...",
    "style": "cinematic",
    "voiceId": "el_brian",
    "language": "en",
    "durationMs": 13000
  }'

{ "jobId": "b1a2...", "status": "pending", "progress": 0,
  "videoUrl": null, "tokensCharged": null, "createdAt": "..." }