* feat(studio,cli): per-frame board comments, self-refreshing storyboard, status-aware preview landing Per-frame comment boxes on the storyboard board batch into .hyperframes/frame-comments.json (a resubmit wins per frame; unconsumed comments on other frames are kept). Submitted-but-unconsumed comments stay visible — a toolbar banner plus a per-tile echo — until the agent consumes the file; the banner also says what to do next (reply anything in the agent chat). The board keeps itself current: GET /projects/:id/signature exposes the watcher-cached project signature, the storyboard payload carries the signature it was derived from, and the view polls at 2s (hidden tabs skipped, re-checked on visibility), refetching in place with no loading flash. Posters bake the signature into their URL so tiles fill in as sketches land and a poster that failed mid-write retries on the next version; the empty state upgrades itself when STORYBOARD.md appears, and its handoff prompt now points the agent at the review loop and uses the parser's real status vocabulary (outline, not planned). preview lands the browser on the storyboard view while the board is the review surface — any frame built, or pure planning (srcs declared, none on disk yet) — and on the timeline once the video is assembled. * feat(skills): the review loop — plan, sketch, build as one shared process hyperframes-core/references/review-loop.md is the single source for the three-pass collaborative review: the plan proposed on a live board (§ 1), wireframe sketches marked built with one layout question (§ 2 — real words on plain blocks, run no CLI; a confirmed board is itself a valid deliverable when the user asked for a storyboard, not a video), the build dressing confirmed layouts (§ 3, worker or inline), and the final look (§ 4). Autonomous runs skip every gate and keep one question before render. The three narrative workflows' Steps 3/4/6 collapse to references plus their sketch stand-ins (captured-asset blocks for product-launch-video, plain code panels for pr-to-video); the confirmed-sketch handoff stays in each frame-worker prompt. general-video plans on a board for multi-scene narrative pieces in collaborative mode — its sketch pass is layout-before-animation with the user watching. The router treats "I want a storyboard" as a process request rather than a route, and closes exploratory intake by recommending a route plus how the run will review. The supporting contracts land next door: the comments channel (silent submit, one reply picks it up, check the file before the words) in brief-contract § 1; the sidecar schema and the built status rung in storyboard-format; the mode question asked first and alone in the three workflows' Step 0. * feat(media-use): user memory — remembered preferences and frozen recipes Two tiers of memory on media-use's existing two-tier storage split. Preferences (lightweight): confirmed brief answers — destination, aspect, language, mode, voice, style preset — recorded to the project's .media/preferences.json (committed, the team inherits it) and promoted to the personal ~/.media/preferences.json once the same value is confirmed in two different projects (a sightings ledger accumulates the cross-project evidence user-side, since project files can't see each other). prefs.mjs get/record; merge reads project-over-user; a changed value restarts its provenance. Recipes (heavyweight): one approved run frozen as a named, versioned bundle — frame.md, the storyboard skeleton (structure kept: durations, transitions, srcs, Video direction; statuses reset to outline; content blanked to per-frame fill-ins naming the beat's role), and the confirmed brief values. Named folders, not content hashes: re-freezing bumps version and archives <name>@v<N>; a freeze is already confirmed, so it promotes to the user tier immediately. recipe.mjs freeze/list/use, plus resolve --type recipe --entity <name> delegating like grade/lut. 16 new node --test cases; the media-use lib suite is 168/168. * feat(skills): wire user memory into the brief and the review loop brief-contract § 2 gains Remembered defaults: read the merged preferences before Round 2 and let a remembered value become the recommended option with a receipt naming its source project. Memory changes the default, never the question — every ask-marked field still gets asked, and what the request says this time beats what was picked last time. Record only what the user actually confirmed (a defaulted voice nobody chose is not an answer; a "go" that accepts the recommended defaults is). The first record announces itself once; after that the receipts carry the reminder. In autonomous mode a remembered value becomes the decided value, receipt included. The three narrative workflows read the remembered defaults before Round 2, record the confirmed answers at the Step 0 gate, record the chosen preset at the Step 2 gate (pr-to-video excepted — its preset is fixed), and fall back to the remembered voice when the request names none. general-video's discovery reads the same defaults. Recipes wire in at both ends: Step 0 checks for a matching recipe before the mode question — one question, plural-aware, and adopting one fills the brief, skips the design step, and drafts the storyboard from the frozen skeleton while every review gate still runs. The review loop's final look (§ 4) offers the freeze once after approval, and the confirmation teaches the recall phrase — the name is something the system reminds the user of, never something they must remember. The router recognizes a named recipe or "like last time" as a route. * docs(skills): the sketch pass names check, not the deprecated validate * feat(skills): intent-layer references — process, route briefs, capability menu, BRIEF.md format * feat(media-use): brief skeleton as the recipe's fourth artifact; flow/storyboard preference keys * feat(skills): the intent layer conducts every brief — workflows execute BRIEF.md * feat(skills): retire the mode preference key; sync catalog surfaces for intent layer * refactor(skills): dedupe router vs intent-layer guidance — one owner per rule * feat(skills): the design ask — own spec, pick by eye from showcases, or defer * docs(skills): the design ask says the honest line on capture routes * feat(skills): product-launch-video absorbs website-to-video as the tour angle * refactor(skills): keep product-launch-video pristine — a tour is brief intent, not a pipeline branch * feat(skills): production loop + genre lenses; general-video goes freeform (route yours, laws hold) * refactor(skills): /hyperframes is the front door - route tables and scope lists leave the workflows * docs(skills): review-loop pass across skill catalog * fix(cli): pass project dir to openStudioBrowser in background-server path * feat(skills): add pitch-round reference - verbalized sampling concept gate * feat(skills): wire pitch round into intent layer - completeness triage + route eligibility * feat(skills): editorial capability recommendations, handoff disciplines, menu-probe split * feat(skills): pitches carry their machinery; source-only-formed requests pitch the telling * feat(skills): companion goes director - ceiling treatment plus blueprint/rule citation discipline * fix(scripts): sandbox npx-leak guard - private npm global prefix keeps npx on the branch CLI * chore(skills): resync manifest hash after formatter pass reflowed general-video tables * fix(skills): recipe freeze reads workflow from BRIEF.md; style_preset records require workflow scope Two holes found by a live companion-run freeze: the agent-supplied --workflow contradicted the run's actual workflow (recipe.json said faceless-explainer, brief-skeleton said general-video), and the style_preset lookup missed because the preference had been recorded under the bare key. - freezeRecipe resolves the workflow from BRIEF.md frontmatter; the flag is a fallback for briefless projects and a contradicting flag is ignored (noted). - recordPreference refuses a bare style_preset — the scoped key is the only writable shape; freeze tolerates legacy bare records via read fallback. - review-loop § 4 / media-use SKILL / brief-format wording follow the machinery.
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name, description
| name | description |
|---|---|
| hyperframes-core | The HyperFrames composition contract — build one renderable project. Use for composition structure, the `data-*` timing attributes, `class="clip"`, tracks, sub-compositions, variables, framework-owned media playback, deterministic-render rules, and validation. Also covers Tailwind projects and the STORYBOARD.md / SCRIPT.md plan formats. Read before writing composition HTML. |
HyperFrames Core
HyperFrames renders video from HTML. A composition is an HTML file whose DOM declares timing with data-* attributes, whose animation runtime is seekable, and whose media playback is owned by the framework.
This skill is the technical contract — how to build one hyperframes project. The body below is the build guide; per-topic detail lives in references/ (index next), read on demand. Other concerns live in the sibling domain skills — hyperframes-animation, hyperframes-creative, media-use, hyperframes-cli, hyperframes-registry. The capability map in /hyperframes says what each one covers.
References
| File | Read it to… |
|---|---|
references/minimal-composition.md |
start from the smallest renderable composition skeleton |
references/composition-patterns.md |
choose monolithic vs modular; structure a modular index.html; pick a sub-comp archetype |
references/data-attributes.md |
look up any data-* (root / clip / sub-comp host / legacy aliases); use class="clip" |
references/tracks-and-clips.md |
pick data-track-index, handle same-track overlap / z-index, time a clip relative to another |
references/sub-compositions.md |
wire a sub-composition (host attrs, <template>, per-instance vars) and animate inside it |
references/variables-and-media.md |
declare variables; place <video>/<audio>, set volume, trim |
references/determinism-rules.md |
build a seekable timeline; determinism bans; the animatable-property allowlist; layout / text fit |
references/full-screen-motion.md |
author full-frame motion with shared backgrounds |
references/storyboard-format.md |
author a STORYBOARD.md plan (+ the parsed manifest) |
references/review-loop.md |
run the plan → sketch → build review passes on a live board — shared by every storyboard-planning workflow |
references/production-loop.md |
take an approved plan to a delivered video — the stage dependencies (audio, frames, assembly, transitions, captions, verify, deliver) a freeform build follows directly |
references/brief-contract.md |
the brief's ground rules — mode derivation (collaborative / autonomous), shared field registry, question invariants (the asking itself lives in /hyperframes → the intent layer) |
references/brief-format.md |
author BRIEF.md — the confirmed intent document a workflow's Setup writes and every later step reads |
references/script-format.md |
author the optional SCRIPT.md locked narration |
references/subagent-dispatch.md |
map subagent dispatch verbs (parallel fan-out / background / wait) to your harness |
references/tailwind.md |
work in a Tailwind v4 project (init --tailwind; runtime contract differs from Studio's v3) |
For animation runtime specifics (GSAP API, Lottie, Three.js, etc.) go to hyperframes-animation → adapters/<runtime>.md.
Building a composition
Two root forms (not interchangeable)
- Standalone (top-level
index.html) — root<div data-composition-id="…">sits directly in<body>, no<template>wrapper (wrapping it hides all content and breaks rendering). - Sub-composition (loaded via
data-composition-src) — root must be wrapped in<template>.
⚠ Transport rule: the runtime only clones
<template>contents; everything outside (incl.<head>styles/scripts) is discarded — put<style>/<script>inside the template. ⚠ Host-id rule: the host slot'sdata-composition-idmust exactly equal the inner template'sdata-composition-idand thewindow.__timelines["<id>"]key — no-mount/-slot/-hostsuffix.
File shape, host wiring, and the pre-render checklist → references/sub-compositions.md.
Root must be sized (silent layout bug)
The standalone root needs an explicit sized box (width/height in px), and every ancestor down to a height:100% element must have a resolved height — otherwise a flex/100% child collapses to ~0 and content piles into the top-left corner. Do not rely on automated gates alone to catch this; inspect a snapshot. Skeleton → references/minimal-composition.md.
One paused timeline
Each composition registers exactly one gsap.timeline({ paused: true }) at window.__timelines["<id>"] (key = root data-composition-id), built synchronously at page load. Render duration = root data-duration, not timeline length. Don't manually nest sub-timelines into the host. Full contract (incl. non-GSAP runtimes) → references/determinism-rules.md + hyperframes-animation/adapters/.
Non-negotiable rules (silent bugs automated gates may miss)
Surfaced here; full rationale in the linked reference. Do not violate:
- No render-time clocks / unseeded
Math.random/ network / input-state; norepeat: -1(use a finite count). →determinism-rules.md - Animate only the visual-property allowlist; never tween
displayor rawvisibility. GSAPautoAlphaand zero-duration timeline boundary sets are the only visibility exceptions, and only on non-clip elements or wrappers inside a clip. The framework alone controls.clipvisibility. Do notgsap.setlater-scene clips at page load. →determinism-rules.md - No
<br>in body text; transformed elements must be block-level + sized; pulsing absolute decoratives need peak clearance. →determinism-rules.md <video>/<audio>must be a direct child of the host root (never inside a sub-comp<template>/wrapper); the framework owns playback. →variables-and-media.md- Every
idmust be unique across the assembled page; inside a sub-comp, prefix ids with the composition id (#<id>-hero). Duplicate<video>/<img>ids render blank — the producer injects frames bygetElementById, and cross-file dupes slip pastlint. →composition-patterns.md - A full-screen scene fill goes on a full-bleed child (
position:absolute; inset:0), never on the composition root itself — the producer's frame compositing can drop the root element's ownbackground(the frame renders black) even though preview/snapshotshow it correctly. →composition-patterns.md
Editing existing compositions
- Read the files first. Preserve unrelated timing, tracks, IDs, variables, media paths.
- Match existing composition IDs and timeline keys.
- Adding a clip: pick a non-overlapping
data-track-indexor adjust surrounding timing intentionally. data-hiddenon any composition element hides it in BOTH preview and render, overriding its time window; it is non-destructive/reversible and toggled by Studio's timeline eye icon.- Adding a sub-composition: verify its internal
data-composition-idbefore wiring the host.
Validation
Use hyperframes-cli for command details
npx hyperframes checkpasses (0 findings across lint, runtime, layout, motion, and contrast)- Projects with sub-compositions:
npx hyperframes snapshot --at <midpoints>and eyeball each frame npx hyperframes previewfor review (the user can edit anything in Studio's timeline)npx hyperframes renderonly after the user approves