getProviders (lib/registry.mjs)

Provider registry — the v2 contract. Each media type maps to an ORDERED list of provider entries. Providers are tried in order; the first to return a non-null result wins, which keeps resolution deterministic (same request -> same provider -> same file -> reproducible renders). h

// Source: https://github.com/petergyang/hyperframes | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
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// Provider registry — the v2 contract.
//
// Each media type maps to an ORDERED list of provider entries. Providers are
// tried in order; the first to return a non-null result wins, which keeps
// resolution deterministic (same request -> same provider -> same file ->
// reproducible renders). heygen-CLI is always first for the types it serves.
//
// An entry exposes any of three capability methods — search / generate /
// process — plus { name }. media-use holds no keys; each external tool owns its
// own auth. Providers, by type:
//   - heygen CLI: catalog + TTS, first for ever

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