hyperframes-cli

by calesthio

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SKILL.md About

---
name: hyperframes-cli
description: HyperFrames CLI tool — hyperframes init, lint, validate, preview, render, transcribe, tts, doctor, browser, info, upgrade, compositions, docs, benchmark. Use when scaffolding a project, linting or validating compositions, previewing in the studio, rendering to video, transcribing audio, generating TTS, or troubleshooting the HyperFrames environment.
---

<!--
Vendored into OpenMontage from C:\Users\ishan\Documents\hyperframes\skills\hyperframes-cli\SKILL.md
Source commit: d291358 (2026-04-17)
See .agents/skills/hyperframes/PROVENANCE.md for re-sync instructions.

OpenMontage-local edit: added `validate` to the top-line command list and a
dedicated "Validation" section — upstream omits it even though the CLI ships it
and `hyperframes validate` is the real browser-based contract check (contrast,
timelines, assets) that runs before render.
-->

# HyperFrames CLI

Everything runs through `npx hyperframes`. Requires Node.js >= 22 and FFmpeg.

## Workflow

1. **Scaffold** — `npx hyperframes init my-video`
2. **Write** — author HTML composition (see the `hyperframes` skill)
3. **Lint** — `npx hyperframes lint` (static checks)
4. **Validate** — `npx hyperframes validate` (browser-based runtime checks + contrast audit)
5. **Preview** — `npx hyperframes preview`
6. **Render** — `npx hyperframes render`

Lint catches static issues (missing `data-composition-id`, overlapping tracks, unregistered timelines). Validate catches runtime/visual issues by seeking into the paused composition in a real browser (contrast, broken overlays, missing assets). Run both before render.

## Validation

```bash
npx hyperframes validate                 # full validation (static + contrast + contract)
npx hyperframes validate --no-contrast   # skip WCAG contrast audit when iterating fast
npx hyperframes validate --json          # machine-readable output
```

Validation seeks to several timestamps in the paused composition, screenshots the page, samples pixels behind every text element to compute WCAG contrast ratios, and verifies runtime contracts (`window.__timelines` registration, `class="clip"` presence, valid `data-*` attributes). Run it before every render — it's cheap and catches issues lint cannot see.

## Scaffolding

```bash
npx hyperframes init my-video                        # interactive wizard
npx hyperframes init my-video --example warm-grain   # pick an example
npx hyperframes init my-video --video clip.mp4        # with video file
npx hyperframes init my-video --audio track.mp3       # with audio file
npx hyperframes init my-video --non-interactive       # skip prompts (CI/agents)
```

Templates: `blank`, `warm-grain`, `play-mode`, `swiss-grid`, `vignelli`, `decision-tree`, `kinetic-type`, `product-promo`, `nyt-graph`.

`init` creates the right file structure, copies media, transcribes audio with Whisper, and installs AI coding skills. Use it instead of creating files by hand.

## Linting

```bash
npx hyperframes lint                  # current directory
npx hyperframes lint ./my-project     # specific project
npx hyperframes lint --verbose        # info-level findings
npx hyperframes lint --json           # machine-readable
```

Lints `index.html` and all files in `compositions/`. Reports errors (must fix), warnings (should fix), and info (with `--verbose`).

## Previewing

```bash
npx hyperframes preview                   # serve current directory
npx hyperframes preview --port 4567       # custom port (default 3002)
```

Hot-reloads on file changes. Opens the studio in your browser automatically.

## Rendering

```bash
npx hyperframes render                                # standard MP4
npx hyperframes render --output final.mp4             # named output
npx hyperframes render --quality draft                # fast iteration
npx hyperframes render --fps 60 --quality high        # final delivery
npx hyperframes render --format webm                  # transparent WebM
npx hyperframes render --docker                       # byte-identical
```

| Flag           | Options               | Default                    | Notes                       |
| -------------- | --------------------- | -------------------------- | --------------------------- |
| `--output`     | path                  | renders/name_timestamp.mp4 | Output path                 |
| `--fps`        | 24, 30, 60            | 30                         | 60fps doubles render time   |
| `--quality`    | draft, standard, high | standard                   | draft for iterating         |
| `--format`     | mp4, webm             | mp4                        | WebM supports transparency  |
| `--workers`    | 1-8 or auto           | auto                       | Each spawns Chrome          |
| `--docker`     | flag                  | off                        | Reproducible output         |
| `--gpu`        | flag                  | off                        | GPU-accelerated encoding    |
| `--strict`     | flag                  | off                        | Fail on lint errors         |
| `--strict-all` | flag                  | off                        | Fail on errors AND warnings |

**Quality guidance:** `draft` while iterating, `standard` for review, `high` for final delivery.

## Transcription

```bash
npx hyperframes transcribe audio.mp3
npx hyperframes transcribe video.mp4 --model medium.en --language en
npx hyperframes transcribe subtitles.srt   # import existing
npx hyperframes transcribe subtitles.vtt
npx hyperframes transcribe openai-response.json
```

## Text-to-Speech

```bash
npx hyperframes tts "Text here" --voice af_nova --output narration.wav
npx hyperframes tts script.txt --voice bf_emma
npx hyperframes tts --list  # show all voices
```

## Troubleshooting

```bash
npx hyperframes doctor       # check environment (Chrome, FFmpeg, Node, memory)
npx hyperframes browser      # manage bundled Chrome
npx hyperframes info         # version and environment details
npx hyperframes upgrade      # check for updates
```

Run `doctor` first if rendering fails. Common issues: missing FFmpeg, missing Chrome, low memory.

## Other

```bash
npx hyperframes compositions   # list compositions in project
npx hyperframes docs           # open documentation
npx hyperframes benchmark .    # benchmark render performance
```