GET /api/templates/:id

curl "https://prismvideos.com/api/templates/featured-ugc-pitch" \
  -H "Authorization: Bearer prism_sk_your_key_here"

{
  "data": {
    "id": "featured-ugc-pitch",
    "title": "UGC Product Pitch",
    "description": "Creator talks to camera and shows product with CTA",
    "kind": "video",
    "model_name": "veo-3.1"
  }
}