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hyperframes/skills/media-use/audio/references/requirements.md
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Miguel ÁngelandClaude Opus 4.8 3b93f516b4 feat(media-use): use CLI free HeyGen usage (#2027)
* feat(media-use): use CLI free HeyGen usage

* fix(media-use): address #2027 R1 nits — gate cli-source header to OAuth, export origin constant

- X-HeyGen-Source is now sent only on OAuth (Bearer) requests, not API-key ones —
  the backend ignores it for API-key traffic (normal billing), so it was dead
  metadata there. buildAuthHeaders + heygenAuthHeaders + tests updated.
- Export HEYGEN_CLI_ORIGIN_HEADER ("X-HeyGen-Client-Origin") for future cli:<origin>
  consumers.
- Document the deliberate paid/X4 confirm-before-call decision on heygen.tts.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01H5k87mPZ4d6yiFwcWSb8Vv

* refactor(cli): drop unused origin-header export, dedup auth-client tests

Fallow flagged 5 findings on this PR:
- major: HEYGEN_CLI_ORIGIN_HEADER was exported but never emitted or
  imported — speculative dead code ("future consumers"). Remove it; a
  real consumer can add the constant when one exists.
- 4x minor duplication in client.test.ts: fold the repeated
  `.rejects.toSatisfy(auth-code)` assertion into expectAuthCode(), and the
  repeated try/catch scrubbed-message assertion into expectRejectionMessage().

No behavior change; auth/client tests still 17/17.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01H5k87mPZ4d6yiFwcWSb8Vv

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-09 18:28:26 -04:00

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# Requirements & Caches
## Credential & key priority
Run `npx hyperframes auth status` to see what's configured and which engines a workflow will use (see the skill's **Preflight** section). Keys resolve in this order — **first match wins**:
| Provider | Resolution order (first non-empty wins) | Local deps when used |
| ------------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------ |
| **HeyGen** (TTS + BGM/SFX retrieval) | `$HEYGEN_API_KEY``$HYPERFRAMES_API_KEY``~/.heygen/credentials` (shared with heygen-cli; `$HEYGEN_CONFIG_DIR` overrides the dir; written by `hyperframes auth login`) | none (REST) |
| **ElevenLabs** (TTS fallback) | `$ELEVENLABS_API_KEY` | `pip install elevenlabs` |
| **Lyria** (BGM fallback) | `$GEMINI_API_KEY``$GOOGLE_API_KEY` | `pip install google-genai` |
| **Kokoro** (TTS, no key) | always — final voice fallback | `pip install kokoro-onnx soundfile` |
| **MusicGen** (BGM, no key) | always — final music fallback | `pip install transformers torch soundfile numpy` |
`hyperframes auth login` (browser OAuth) is the recommended setup: one sign-in, every project, no per-repo `.env`. An OAuth login is sent as `Authorization: Bearer`; an API key as `X-Api-Key`; both are tagged with `X-HeyGen-Source: cli`. OAuth CLI users can consume the web-plan free allowance for HeyGen TTS (10 min/month); API keys follow the normal API billing path. With no HeyGen credential, voice/BGM run fully locally (Kokoro / MusicGen) — `hyperframes auth status` and `hyperframes doctor` both report whether those local deps are installed.
## Model caches & system dependencies
Each command downloads its own model on first run and caches it under `~/.cache/hyperframes/`:
- **TTS (HeyGen)** — no local deps; needs a HeyGen credential + `ffmpeg` on PATH (to transcode the mp3 response to `.wav`). Credential resolves like the CLI: `$HEYGEN_API_KEY``$HYPERFRAMES_API_KEY``~/.heygen/credentials` (shared with heygen-cli; run `npx hyperframes auth login`). An OAuth login is sent as `Authorization: Bearer`; an API key as `X-Api-Key`; both include `X-HeyGen-Source: cli` so the backend can apply CLI OAuth free usage.
- **TTS (ElevenLabs)** — same as HeyGen: API key + `ffmpeg`.
- **TTS (Kokoro)** — Kokoro-82M (~311 MB) + voices (~27 MB) in `tts/`. Requires Python 3.8+ with `kokoro-onnx` and `soundfile` (`pip install kokoro-onnx soundfile`). Non-English text also needs `espeak-ng` system-wide.
- **BGM (Lyria)** — needs `$GEMINI_API_KEY` or `$GOOGLE_API_KEY` + `pip install google-genai`. No local model cache.
- **BGM (MusicGen)** — `pip install transformers torch soundfile`. `facebook/musicgen-small` (~300 MB) cached under `~/.cache/huggingface/` on first run.
- **Transcribe** — Whisper model size depending on choice (75 MB 3.1 GB) in `whisper/`. Bundles `whisper.cpp`.
- **Remove-background** — `u2net_human_seg` (~168 MB ONNX) in `background-removal/models/`. Peak inference RAM ~1.5 GB.
Run `npx hyperframes doctor` if a command fails because of a missing dependency.