* fix(media-use): codex gate misfires as 'not logged in' when piped codexUnavailableReason() gated generation on parsing `codex login status` stdout, but that command prints 'Logged in using ChatGPT' to stderr and exits 0 — so the piped stdout media-use captures (execFileSync returns stdout only on success) was empty, and the gate falsely reported 'not logged in'. Every headless / CI / agent run was blocked from codex image gen even when fully authed. Gate on the durable credentials file ($CODEX_HOME/auth.json) instead of the TTY/stderr-only human text. Token validity is still proven by the exec, which fails cleanly on a stale login. The stdout `features list` capability check is unchanged. Verified: reproduced the false 'not logged in' block, then after the fix generated end-to-end via `resolve -t image --provider codex` (valid 1254x1254 PNG, source=generated, provider=codex.image_gen). * fix(media-use): bug-bash fixes — id race, provider/reuse/adopt guards From the bug-bash against main: - MU-23 (HIGH): concurrent resolves raced on nextId (read-max-then-append, non-atomic), so parallel agents got duplicate ids and clobbered each other's files. Add allocateId(): a coarse per-project lock (.media/.lock, 15s stale-steal) around id allocation that scans the manifest AND the type dir for reserved ids, then O_EXCL-creates a placeholder file so the slow download between allocate and append can't collide. 5 parallel resolves now yield 5 distinct ids + files. - X4: --reuse imported across a type mismatch (bgm asset under images/). Apply typesMatch on the --reuse path; reject mismatches (icon<->image still interchangeable). - X5: --provider silently overrode --local-only and made a network call. --local-only is now a hard guard: network providers are skipped even under a forced provider; the miss message explains the conflict. - BUG-2: --provider ignored the exact-cache floor and could hand back an asset from a different provider. A forced --provider now bypasses all reuse rungs (regenerate with THIS provider); the unforced floor is intact. - MU-26/X6: 0-byte assets accepted. --adopt skips 0-byte files (loud); ingest refuses a 0-byte local file (freezeUrl already rejects empty responses). - BUG-4: unknown/unavailable --provider now errors with the available list instead of a generic 'no provider could resolve' (typo != catalog miss). - BUG-5: --reuse "" gave the wrong 'type and intent required' error; it now routes to a clear empty-sha message. - BUG-3: voice duration leaked an unrounded float into index.md; round all durations to 0.1s centrally at record build (matches probe). - Nits: whitespace-only --intent is rejected; nudge grammar (exists/exist). Tests: allocateId reservation + registry local-only-wins added; full media-use suite green. All fixes verified e2e. * fix(cli): reject unknown flags instead of silently ignoring them citty is permissive: an unrecognized flag was dropped, not rejected — so `render . --out x` (the flag is --output/-o) silently ignored --out and rendered to the default renders/<name>.mp4 path. A mistyped flag read as a render/catalog miss. Add assertKnownFlags(): validate every dash-prefixed token against the command's declared args + aliases + the global set (help/version/json) before the command runs, in the shared trackCommandFailures run-wrapper so every leaf command is covered. Handles --flag=value, --no-<bool> negation, camelCase<->kebab arg names, and combined shorts; stops at --; positionals and flag values pass through. Verified: `render . --out x` -> 'Error: Unknown flag: --out'; --output/-o/ --json/--help still accepted. Unit tests added. * docs(skills): install with --full-depth so agents get current main The documented `npx skills add heygen-com/hyperframes` fetched the skills.sh registry blob, which lags GitHub main by hours — so users following the docs got a stale skill (e.g. media-use v1: no --candidates, voice stubbed). The CLI's own `hyperframes skills` command already forces a full clone via --full-depth to bypass this; the docs didn't pass it. Add --full-depth to every documented install command (README, CLAUDE.md, docs/guides/skills.mdx) with a one-line note on the lag. Addresses the user-facing half of the publish/registry lag (#2034). * chore(media-use): collapse resolve.mjs import to satisfy oxfmt --check * fix(cli): extract longFlagName to keep flag validator under complexity gate Also regenerate skills-manifest.json (resolve.mjs formatting change re-hashed the media-use skill). Fixes the Fallow audit + skills-manifest-in-sync CI gates.
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Hyperframes
Open-source video rendering framework: write HTML, render video.
Skills
This repo ships 20 AI agent skills via vercel-labs/skills. Install them before writing compositions — they encode framework-specific patterns that generic docs don't cover.
npx skills add heygen-com/hyperframes --full-depth # interactive picker
npx skills add heygen-com/hyperframes --all --full-depth # install all 20 (skips picker)
npx skills add heygen-com/hyperframes --skill <name> --full-depth # just one (bare name, no leading slash)
Keep --full-depth: it installs the current main. Without it, skills add fetches the skills.sh registry blob, which lags main by hours (you'd get a stale skill). hyperframes skills update already uses full-depth.
/hyperframes is the entry skill — read it first. It's the capability map for the domain skills below AND the intent router for the creation workflows. The full README skills section mirrors this list; keep them in sync (see "Skill catalog maintenance" below).
Creation workflows
/product-launch-video— a product URL (or a pre-written script / text brief in no-capture mode) → product launch / promo video, up to ~3 min (sweet spot ~30-90s)./website-to-video— a general website / URL → a video of the site (tour / showcase / social clip from captured screenshots + assets); for a product launch / promo, use/product-launch-video./faceless-explainer— arbitrary text, no URL and no website capture → faceless explainer, up to ~3 min (sweet spot ~30-90s); every visual is LLM-invented (typography / abstract graphics / diagram / data-viz)./pr-to-video— a GitHub PR (URL /owner/repo#N/ "this PR") → code-change explainer, up to ~3 min (changelog / feature reveal / fix / refactor). A PR link, not a product website./embedded-captions— an existing talking-head video (MP4) → the same footage with captions / subtitles added (verbatim rail + embedded climax, or pure-cinematic embed); the footage itself is untouched (no NLE-style editing)./talking-head-recut— an existing talking-head / interview / podcast video (MP4) → the same footage packaged with designed graphic overlays (kinetic titles, lower-thirds, data callouts, pull-quotes, side panels, PiP) synced to the transcript; the clip plays unchanged underneath, footage untouched. For plain captions/subtitles →/embedded-captions./motion-graphics— a short (typically under 10s) design-led motion graphic, motion-is-the-message, no narration: kinetic type, a stat / number count-up, a chart, a logo sting, a lower-third / overlay, or an animated tweet / headline / captured-page highlight; rendered to MP4 or a transparent overlay. Longer / narrated / custom →/general-video./music-to-video— a music track (audio file, or video to pull audio from) → beat-synced video (lyric / slideshow / kinetic promo). Music drives pacing; user-supplied images / videos are cut onto the same beat grid./slideshow— a presentation / pitch deck / interactive deck — discrete slides, fragment reveals, branching, hotspot navigation, presenter mode. Output is a navigable deck, not a rendered video./general-video— fallback for any other video creation (title card, longer brand / sizzle reel, multi-scene montage, static loop, custom composition); the original hyperframes flow — design → plan → layout → build → validate, any length./remotion-to-hyperframes— port an existing Remotion (React) composition to HyperFrames HTML. One-way migration, not creation.
Domain skills (loaded on demand)
Atomic capabilities the creation workflows compose against — pull one when you need that specific layer:
/hyperframes-core— the composition contract:data-*timing attributes,class="clip", tracks, sub-compositions, variables, framework-owned media playback, determinism rules. Read before writing composition HTML./hyperframes-animation— all animation knowledge: atomic motion rules, scene blueprints, transitions, runtime adapters (GSAP default, plus Lottie / Three.js / Anime.js / CSS / WAAPI / TypeGPU)./hyperframes-keyframes— seek-safe keyframe authoring across runtimes: GSAP timelines, CSS keyframes, Anime.js, WAAPI, FLIP, paths, masks, SVG morph/draw, text trails, 3D depth; plushyperframes keyframesdiagnostics for surfacing and verifying rendered motion./hyperframes-creative— non-animation creative direction:frame.md/design.mdhandling, palettes, typography, narration, beat planning, audio-reactive visuals, composition patterns./media-use— the media OS: resolve any media need (BGM, SFX, image, icon, voice) into a frozen local file + ledger record; generate via TTS / music / image models when the catalog misses; transcribe, caption, remove backgrounds, and reuse assets across projects. One sharedscripts/audio.mjsengine + manifest tracking; keeps search noise on disk./hyperframes-cli— CLI dev loop:init,add,lint,validate,inspect,preview,render,publish,doctor,lambda(AWS Lambda cloud rendering)./hyperframes-registry— install and wire registry blocks and components into compositions viahyperframes add. Covers authoring a new block or component to contribute upstream./figma— import Figma assets, tokens, components, and storyboard sections → reconstructed motion (frames read as states, not slides) (REST/CLI) plus Motion animations (MCP) and shaders (MCP source / native export) into a composition.
Skill catalog maintenance
When adding a new skill, or substantially renaming / repurposing an existing one, update all agent-facing discoverability surfaces in lockstep:
- The skill list above (CLAUDE.md) AND the workflow list in the root
AGENTS.md(it carries workflows only, no domain-skill section) AND the## Skillssection inREADME.mdANDdocs/guides/skills.mdx(rendered at hyperframes.heygen.com/guides/skills). Out-of-date entries silently kill discovery. - The scaffolded project template
packages/cli/src/templates/_shared/CLAUDE.md+AGENTS.md— written into everyhyperframes initproject, so a stale entry there ships to users. The two template files must stay byte-identical. - If the skill changes the routing surface for "make a video" requests, also update the capability map and intent router in
skills/hyperframes/SKILL.md— that's the canonical router agents read first. - Mirror the Router / Creation workflows / Domain skills grouping across all surfaces so a skill always lives in the same column.
- Skill count appears in the README and CLAUDE.md intro lines ("20 AI agent skills…") — update on add/remove. The
docs/guides/skills.mdxpage and the CLI templates deliberately omit a count to avoid drift; keep them count-free.
The skill's own SKILL.md frontmatter description: is the source of truth for the one-line "use when" blurb; copy from there into the catalog rather than paraphrasing.
Build & Test
bun install # Install dependencies (NOT pnpm — do not create pnpm-lock.yaml)
bun run build # Build all packages
bun run test # Run all tests
Linting & Formatting
Uses oxlint and oxfmt (not eslint, not prettier, not biome).
bunx oxlint <files> # Lint
bunx oxfmt <files> # Format
bunx oxfmt --check <files> # Check formatting (CI / pre-commit)
Always lint and format changed files before committing. Lefthook pre-commit hooks enforce this automatically.
Composition Validation
After creating or editing any .html composition:
npx hyperframes lint # Static HTML structure check
npx hyperframes validate # Runtime check (headless Chrome — catches JS errors, missing assets)
Both must pass before previewing or considering work complete.
Project Structure
packages/
cli/ → hyperframes CLI (create, preview, lint, render)
core/ → Types, parsers, generators, linter, runtime, frame adapters
engine/ → Seekable page-to-video capture engine (Puppeteer + FFmpeg)
player/ → Embeddable <hyperframes-player> web component
producer/ → Full rendering pipeline (capture + encode + audio mix)
shader-transitions/ → WebGL shader transitions for compositions
studio/ → Browser-based composition editor UI
registry/
blocks/ → Installable sub-composition scenes (50+)
components/ → Installable effects and snippets
examples/ → Starter project templates
docs/ → Mintlify documentation site (hyperframes.heygen.com)
skills/ → AI agent skill definitions
Key Conventions
- Package manager: bun (not pnpm, not npm for workspace operations)
- Commit format: Conventional commits (
feat:,fix:,docs:,refactor:,test:) - TypeScript: Avoid
anyandas Tassertions. Prefer type guards and narrowing. - Compositions: HTML files with
data-*attributes. Clips needclass="clip". GSAP timelines must be paused and registered onwindow.__timelines. - Frame Adapters: Animation runtimes plug in via the seek-by-frame adapter pattern. GSAP is the primary adapter.
- Deterministic rendering: No
Date.now(), no unseededMath.random(), no render-time network fetches.
Documentation
- Docs: https://hyperframes.heygen.com/introduction
- Catalog (50+ blocks): https://hyperframes.heygen.com/catalog/blocks/data-chart