StockFilm Agent API
==================

Primary docs: https://stockfilm.com/for-agents
OpenAPI: https://api.stockfilm.com/openapi.json
Capabilities: https://api.stockfilm.com/v1/capabilities
Discovery manifest: https://api.stockfilm.com/.well-known/stockfilm-agent.json

Auth
- API key via Authorization: Bearer <api_key> or X-API-Key: <api_key>
- HMAC required for POST/PUT/PATCH/DELETE
- Signature payload: {timestamp}.{METHOD}.{path}.{body}
- Required headers for mutations: X-Timestamp, X-Signature, Idempotency-Key

Core flow
1) POST /v1/search/assets
2) POST /v1/rights/verify
3) POST /v1/quotes
4) POST /v1/payment-intents
5) POST /v1/licenses/execute
6) POST /v1/assets/{asset_id}/download-token

Explicit rails
- lightning_btc
- solana_sol
- solana_usdc