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hyperframes/skills/faceless-explainer/SKILL.md
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WaterrrForever b9be0b2625 feat(skills,studio,media-use): the intent layer, review loop, and user memory — BRIEF.md, companion mode, recipes; /website-to-video folds into /product-launch-video (#2133) 
* 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.
2026-07-15 21:19:14 +08:00

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---
name: faceless-explainer
description: "Turn arbitrary text — an article, notes, a topic, a brief — into a faceless explainer video: there is no site or footage to capture, so the visuals are invented per scene (typography, abstract graphics, diagrams, data-viz). Use for topic explainers, concept breakdowns, how-tos, listicles. Not a video built from a website (/product-launch-video — promo or tour). Unclear → /hyperframes."
---
> **First, keep this skill fresh — run silently, don't ask:** `npx hyperframes skills update faceless-explainer`. A fast no-op when everything is current; otherwise it refreshes this skill plus the core domain skills it depends on before you rely on them.
> **media-use**: Before sourcing audio/images/logos, call `/media-use` to resolve BGM/SFX/images from the HeyGen catalog and brand logos from their official sources. Run `--adopt` first to register existing assets. See `/media-use` skill.
# Faceless Explainer to HyperFrames
Use this skill to turn a body of text into an explainer video: pick a design system, plan a teaching story, and build it frame by frame in HyperFrames. **Faceless** means every visual is invented downstream — there is no capture step and no real asset inventory.
> **The front door is `/hyperframes`.** You are the orchestrator. Run each step, verify its gate, and only then continue. This skill is for **explaining a topic from text, with no product and no website to capture**. Any other intent, a bare "make a video", or any uncertainty → read `/hyperframes` first — the intent layer owns every route decision, and a fresh creation arriving here without `BRIEF.md` goes through it anyway (Setup's opening rule).
You are the orchestrator. Work in `videos/<project>/`. Run steps in order and pass each gate before continuing. User-gated steps are Step 0, Step 3, and Step 6. Read `../hyperframes-core/references/brief-contract.md` before Step 0 — it defines the gate types and how `BRIEF.md`'s `flow`/`storyboard` derive the mode that governs the Step 3/4/6 gates. Do every step yourself except Step 5, where you dispatch one sub-agent per frame. Do not put design or motion rules here; those live in the frame-worker sub-agent, this skill's local `../hyperframes-animation/rules/` + `../hyperframes-animation/blueprints/`, and `hyperframes-creative`.
Workflow: Step 0 setup → `hyperframes.json`; Step 1 brief → `capture/extracted/`; Step 2 design system → `frame.md`; Step 3 storyboard/script → `STORYBOARD.md` and `SCRIPT.md`; Step 3.1 audio → `audio_meta.json`; Step 4 visual design → enriched `STORYBOARD.md`; Step 5 frames → `compositions/frames/NN-*.html` and `index.html`; Step 6 final render → `renders/video.mp4`.
---
## Step 0: Setup
Goal: Enter with a confirmed brief, create the HyperFrames project, and make the brief durable.
**The brief is confirmed by the intent layer, not by questions asked here.** Opening rule, in order: **(1)** `BRIEF.md` exists → read it and ask nothing — the brief is settled, and its `flow`/`storyboard` derive the mode (brief contract § 1). **(2)** No `BRIEF.md` but the project exists (`hyperframes.json` / `STORYBOARD.md` on disk) → resume from the storyboard's frontmatter and the recorded preferences; never re-interrogate a half-built project. **(3)** Neither — a fresh creation request that arrived here directly → read `/hyperframes` and run its intent layer (§ 4): it checks recipes and remembered defaults, conducts this route's questions (`../hyperframes/references/route-briefs.md`), and hands back the locked brief. Edit requests skip all of this — go do the edit.
Initialize only if `hyperframes.json` is missing. Name `<project>` from the topic in kebab-case, such as `compound-interest-explained`; never use workspace name or timestamp.
`npx hyperframes init "videos/<project>" --non-interactive --example=blank` — `init` checks the installed skills against the latest on GitHub and updates the global set if any are out of date.
After init, let `<PROJECT_ROOT>` be `videos/<project>` and run every subsequent relative-path command with that directory as its working directory. In the commands below, `.` means `<PROJECT_ROOT>`; never write `.media`, `capture`, or output files in the caller directory.
**Write `BRIEF.md` immediately after init** (never before — `init` refuses a non-empty directory): the intent layer's locked brief, shape per `../hyperframes-core/references/brief-format.md`. Resolve `<MEDIA_DIR>` as the installed `/media-use` skill directory. Then record each preference-backed answer with `node <MEDIA_DIR>/scripts/prefs.mjs record --hyperframes .` (`brief-format.md` names the subset). If the intent layer adopted a recipe, run `node <MEDIA_DIR>/scripts/recipe.mjs use --hyperframes . --name <name>`; it copies its `frame.md` into the project (Step 2 is then skipped) and returns the skeletons Step 3 drafts from. A recipe fills answers, not approvals; the review gates still run.
**Show sign-in status before proceeding past Setup** — run `npx hyperframes auth status` and relay its output verbatim. It reports whether voice/BGM will use HeyGen or local engines and, when signed out, how to sign in. Apply one branch:
- **Collaborative:** wait for the user to sign in or explicitly choose `offline` / `go`.
- **Autonomous:** state the status and continue through the available local engines.
Do not silently omit a required capability when no offline provider exists; surface the blocker. Do not fold this decision into another question or write keys into a per-repo `.env`. Auth ownership and offline fallbacks: `/media-use` § Providers.
**Gate:** `hyperframes.json` and `BRIEF.md` exist; the preference-backed answers were recorded (brief contract § 2); sign-in status was shown (signed in, or continuing offline).
---
## Step 1: Brief (no capture)
Goal: Fold the user's text into the project as the source of information. There is **no website capture and no real assets** — this is a faceless explainer.
Save the user's full input verbatim, then create the synthetic capture package by hand:
- `capture/extracted/visible-text.txt` — the full article / notes / topic / brief, verbatim. This is the source of **information**, not a story template (Step 3 reshapes it).
- `capture/extracted/tokens.json` — `{ "title": "", "description": "", "colors": [], "fonts": [] }`. Fill `title`/`description` from the brief. Leave `colors`/`fonts` empty unless the user explicitly gave brand colors or fonts — then add them (the design preset supplies a complete palette regardless).
If the user pasted a script or wants their wording kept, save it verbatim as `user_script.txt`; `VO_MODE` (verbatim or restructured) comes from `BRIEF.md` — the intent layer asks it when a script arrives. Ask once here only if the brief somehow lacks it, and store the answer for Step 3.
Do **not** run `npx hyperframes capture` (there is no URL). Do not create `asset-descriptions.md` or populate `capture/assets/` — faceless visuals are invented in Steps 4-5, not captured. The one exception: if the user supplied a real image, place it under `public/<basename>` and note it for Step 3.
**Gate:** `capture/extracted/visible-text.txt` and `capture/extracted/tokens.json` exist; you can state the explainer's topic and audience in one clear sentence.
---
## Step 2: Design System
Goal: Choose one shipped frame preset; a script turns it into this video's `frame.md` + caption skin.
When `BRIEF.md` names a `style_preset` — the user picked it by eye from the showcases at the intent layer — use it; the judgment call is yours only when the brief is silent. Then you make the one call — **which preset**: read `../hyperframes-creative/references/design-spec.md` and browse `../hyperframes-creative/frame-presets/`; pick the preset whose look best fits the topic, tone, and audience. Then run:
```bash
node <SKILL_DIR>/scripts/build-frame.mjs --preset <name> --hyperframes .
```
The script does the rest deterministically: copies the preset's `FRAME.md` → `frame.md` and **remixes** it onto any brand tokens in `capture/extracted/tokens.json` (brand colors mapped onto the preset's color keys by role; the preset's display + body fonts swapped for the brand's), copies the preset's caption skin to `.hyperframes/caption-skin.html`, and self-validates (exits 1 on a broken mapping). Proceed as soon as it exits 0 — no hand-editing of the spec.
A faceless explainer usually has **no brand colors/fonts** (`tokens.json` colors/fonts empty) → the script keeps the preset's own palette, a complete shippable design. Only when the user named brand colors/fonts add them to `tokens.json` before running, and only adjust `frame.md` by hand afterward if a mapping truly needs it.
**Gate:** `build-frame.mjs` exited 0 — `frame.md` exists from a named preset, and (when the preset ships one) `.hyperframes/caption-skin.html` exists as the caption skin source; the chosen preset was recorded as a preference (`--key style_preset --workflow <this workflow>`, brief contract § 2).
---
## Step 3: Storyboard and Script
Goal: Turn the text into an approved frame-by-frame teaching plan.
Read `../hyperframes-creative/references/story-spine.md` (hook language, value-before-evidence, storyboard-as-proposal), `references/story-design.md`, `../hyperframes-animation/blueprints-index.md`, `../hyperframes-core/references/storyboard-format.md`, and `../hyperframes-core/references/script-format.md`. Use them to write `STORYBOARD.md` and, when narration is needed, `SCRIPT.md`.
Use `story-design.md` for the explainer structure (concept / how-to / listicle / story), hook strategy, clarity techniques, emotional beats, the type-enum mapping, and `VO_MODE`. The video's sequence comes from **narrative design, not the input text's paragraph order** — reorder, merge, omit, compress. As a **soft guide**, consult the role→blueprint menu in `../hyperframes-animation/blueprints-index.md`: for each beat, write the voiceover in the shape its candidate blueprint implies and tag that candidate `blueprint:` id when one fits. Teaching truth still decides which beats exist — never force a beat to fit a blueprint, and never invent a beat just because a proven shape is available. Faceless visuals are invented downstream, so frames do **not** carry an asset inventory: leave `asset_candidates` empty unless the user supplied a real `public/<basename>` image. Use the exact required fields from the storyboard and script references.
After drafting, run the review loop's plan pass — `../hyperframes-core/references/review-loop.md` § 1: open the board (don't ask whether to), present the plan as a proposal, and ask the two questions — approve or change, and **sketches first** (recommended) or skip. Feedback loops through chat or the board's comments file until approved. This is a **checkpoint gate** (brief contract § 1): in autonomous mode there is no board and nothing to ask — post the same summary as a heads-up and proceed; sketches collapse into the build, and the one preview question comes at Step 6.
**Gate:** `STORYBOARD.md` exists, every frame has the required narrative fields, `SCRIPT.md` exists when narration is needed, and the user approved the frame-by-frame plan (autonomous: the summary was posted as a heads-up).
---
## Step 3.1: Audio
Goal: Generate narration, word timings, music, and audio metadata from the approved script.
Start audio after Step 3 approval. Run it in the background, then continue to Step 4. (Sign-in status was already shown in Step 0; the engine falls back automatically.)
**Choose the narration voice from the user's ask before invoking.** If the request named a voice, gender, or tone, pick a matching voice id and pass it with `--voice <id>`. The pipeline default is otherwise **Marcia (female)** on HeyGen / `am_michael` on Kokoro — so a request like "a male voice" is silently ignored unless you pass the flag. Voice ids are provider-specific; resolve against whichever provider Step 0's sign-in status selected: **HeyGen** (signed in) via `node <MEDIA_DIR>/audio/scripts/heygen-tts.mjs --list` (or `GET /v3/voices?engine=starfish`); **Kokoro** (offline) via the voice table in `<MEDIA_DIR>/audio/references/tts.md` (prefixes `am_`/`bm_` male, `af_`/`bf_` female). When the user expressed no preference, fall back to the remembered voice (brief contract § 2) before the pipeline default, and say which one you used; omit `--voice` only when neither names one. When the user explicitly picked a voice this run, record it (`prefs.mjs record --key voice`).
`node <SKILL_DIR>/scripts/audio.mjs --script ./SCRIPT.md --storyboard ./STORYBOARD.md --hyperframes . --out ./audio_meta.json --voice <voice-id> &`
The audio script handles narration, word timings, BGM lookup from HeyGen's music library, and timing metadata. BGM mood comes from the storyboard's `music:` field. This uses the HeyGen Audio API for retrieval, not generation, and the same `~/.heygen` credential as TTS. For provider details, read `../media-use/audio/references/tts.md`.
If there is no narration and no `SCRIPT.md`, skip voice generation. BGM may still run if the storyboard has a music mood.
**Gate:** audio job has started, or the project is marked silent.
---
## Step 4: Frame Visual Design
Goal: Add the visual direction, layout intent, and motion choices to each storyboard frame.
**Sketch the board first (collaborative only).** The moment the plan is approved, run the sketch pass — `../hyperframes-core/references/review-loop.md` § 2 (don't wait on Step 3.1; sketches don't use timings): wireframe every frame yourself, mark each `built`, pause for the one layout question when the board is full, and revise only the sketches named until the board is confirmed. Only then write the visual design below onto the confirmed layouts. In autonomous mode, or when the user chose to skip sketches at Step 3, skip this pass — frames go straight from `outline` to `animated` at Step 5.
Edit `STORYBOARD.md` in place. Do not create another storyboard. Use `frame.md` as source of truth for color, type, layout feel, and style.
Read `references/visual-design.md`, `../hyperframes-animation/blueprints-index.md`, `references/motion-language.md`, and `../hyperframes-animation/rules-index.md`. Use `visual-design.md` for the method (the time-coded shot sequence, the inline Layout vocabulary, and the invented-visual treatment), plus the required `## Video direction` block. Use `../hyperframes-animation/blueprints-index.md` to pick each frame's shot shape. Use `motion-language.md` (the motion vocabulary + the motion doctrine) and `../hyperframes-animation/rules-index.md` (valid rule names) for motion — do not invent motion names.
For every frame, write a **time-coded shot sequence** into `STORYBOARD.md` per `visual-design.md`'s method: pick the frame's blueprint (or compose), instantiate it with THIS frame's **invented** content, and pace each Scene's reveal to the voiceover so the frame develops across its full duration instead of front-loading then freezing. Because the explainer is faceless, `focal`/`roles` name the **invented visual elements** (a hero word, a diagram node, a data-viz series) — you are designing them, not selecting captured assets. State layout and motion **inline** per Scene (vocabularies in `visual-design.md` and `motion-language.md`). Add one video-wide `## Video direction` block.
Do not change story, script, `transition_in`, or the source text. Do not write HTML in this step. There is **no asset-staging step** — faceless visuals are built by the workers in Step 5. If the user supplied a real `public/<basename>` image, reference it by path in the relevant frame's `focal`/`roles`; otherwise nothing to stage.
**Gate:** every frame has a time-coded shot sequence whose reveals are paced to the voiceover (no front-loading); each frame names its invented `focal` and/or `roles`; `## Video direction` exists. Collaborative: the sketch board was confirmed.
---
## Step 5: Build Frames
Goal: Build every storyboard frame as an HTML composition and assemble the playable video.
Wait for Step 3.1 audio to finish if audio was started. Then sync durations and fetch SFX; skip both if silent.
`node <SKILL_DIR>/scripts/audio.mjs sync-durations --audio-meta ./audio_meta.json --storyboard ./STORYBOARD.md`
`node <SKILL_DIR>/scripts/audio.mjs fetch-sfx --storyboard ./STORYBOARD.md --hyperframes .`
Duration sync is mechanical: real voice duration wins; silent frames keep estimates; never hand-edit synced durations.
Before dispatch, read `sub-agents/frame-worker.md` and `../hyperframes-core/references/subagent-dispatch.md`. Dispatch one sub-agent per frame, in parallel if possible; otherwise run workers in waves. Each worker gets exactly one frame.
Each worker context must include `PROJECT_DIR`, `frame_id`, whether the frame has a **confirmed sketch** on disk, canvas size, caption status and keep-out band if captions are enabled, and `RULES_DIR` as the absolute path to this skill's `../hyperframes-animation/rules/`. Each worker reads `frame.md`, its own `## Frame N` block from `STORYBOARD.md`, the confirmed sketch when one exists (keep its layout — frame-worker § When a confirmed sketch exists), the local rule recipe (`../hyperframes-animation/rules/<id>.md`) for each cited motion, and the frame's blueprint template (`../hyperframes-animation/blueprints/<id>.md`). Each worker writes only `compositions/frames/NN-*.html`. Workers must never edit `STORYBOARD.md`.
**Full-bleed backgrounds ride on a `class="clip"` layer, never the `#root`.** A frame's ground (color field / gradient / grid) is its own full-duration background clip — a `background` set on the `#root` / `data-composition-id` element is clip-gated to the frame's window and is not a dependable ground, so dark content can land on the black host `body` and render invisible. The video's base ground is painted by the assembler from `frame.md`'s `canvas` color onto the index `#root`. (Full rule + self-check: `sub-agents/frame-worker.md`.)
As each worker returns, the orchestrator marks that frame as `animated` in `STORYBOARD.md`.
After audio timings exist, build captions in the background and assemble the index:
`node <SKILL_DIR>/scripts/captions.mjs build --storyboard ./STORYBOARD.md --audio-meta ./audio_meta.json --hyperframes . --out ./caption_groups.json &`
`node <SKILL_DIR>/scripts/assemble-index.mjs --storyboard ./STORYBOARD.md --hyperframes .`
`captions.mjs` uses the project's `.hyperframes/caption-skin.html` (copied in Step 2) as the caption look, injecting brand tokens from `frame.md`; with no skin present it renders the built-in default pill. `captions: skipped (<reason>)` is valid. Continue without captions when explicitly skipped.
**Gate:** every frame is marked `animated` (collaborative: the sketch board was confirmed at Step 4), `index.html` exists, and captions are built or explicitly skipped.
---
## Step 6: Finalize
Goal: Verify the assembled video, get user approval, and render the final MP4.
Inject transitions, run checks, pause for review, then render.
`node <SKILL_DIR>/scripts/transitions.mjs inject --storyboard ./STORYBOARD.md --hyperframes .`
`node <SKILL_DIR>/scripts/transitions.mjs verify --storyboard ./STORYBOARD.md --index ./index.html`
`npx hyperframes lint`
`npx hyperframes check`
`npx hyperframes snapshot --at <frame-midpoints>`
`snapshot` stitches the captured frames into one contact sheet (`snapshots/contact-sheet.jpg`). Glance at it; if nothing is obviously broken, move on — don't linger here.
If a command fails, surface stderr and stop — don't pile on recovery commands. Fix it yourself: the cheapest safe edit to `compositions/frames/NN-*.html`, then rerun the failed check.
**Known false-positive — do not chase it.** `check` may report a handful of `text_box_overflow` findings of ~1–4px on the **caption** highlight words (selector `#caption-word-*` / `.caption-line`). The caption pill uses a deliberately snug `line-height` (set once in `scripts/captions.mjs`) and has **no `overflow:hidden`**, so a heavy display glyph's ink spills a few px into the pill's own padding — nothing is actually clipped. Treat these as expected and proceed. Do **not** inflate the caption `line-height` (it balloons the pill, which is worse). Only act on a `text_box_overflow` when it names a **frame** element (`#el-NN-*`), not a caption word.
After checks pass, pause for user review — the review loop's final look (`../hyperframes-core/references/review-loop.md` § 4): one question, on the Studio that has been open since Step 3 — render now, or what changes? (Autonomous: the one kept question, preview first or render.) Then deliver the MP4 with the contact sheet and the frame ids so revisions can target a single frame.
Preview: `npx hyperframes preview`
Render only after user approval (autonomous mode: after the preview-or-render question):
`npx hyperframes render --skill=faceless-explainer --quality high --output renders/video.mp4`
Do not rerun `lint`, `check`, or `snapshot` after rendering unless the user asks.
**Gate:** `lint` and `check` passed and the snapshots were inspected before render; user approved at the review pause (autonomous: checks passed and the delivery includes the contact sheet); `renders/video.mp4` exists. Final reply states MP4 path and final duration.
---
## Quick Reference
**Formats:** landscape `1920x1080`; portrait `1080x1920`; square `1080x1080` — derived from the destination (brief contract § 2). Set the format once in the storyboard frontmatter.
**Faceless deltas vs a captured-asset workflow:** no Step 1 capture (synthetic `tokens.json` + `visible-text.txt`); no `asset-descriptions.md` and no `capture/assets/`; no asset-staging in Step 4; `asset_candidates` empty by default; every visual is invented by the Step 5 workers (typography / abstract graphics / diagrams / data-viz). A user-supplied `public/<basename>` image is the only real asset path.
**Background scripts:** the workflow ships only these under `scripts/`: `build-frame` for adopting + brand-remixing a frame preset into `frame.md` (+ caption skin); `audio` for TTS, transcription, BGM, SFX, and duration syncing; `captions`; `transitions` for inject and verify; and `assemble-index`. Everything else is the `hyperframes` CLI.
The reusable, domain-agnostic shot shapes live in `../hyperframes-animation/blueprints/` (indexed by `../hyperframes-animation/blueprints-index.md`).
| Read | When |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------ |
| `[../hyperframes-core/references/brief-contract.md](../hyperframes-core/references/brief-contract.md)` | Gate types, mode derivation from `BRIEF.md`, field semantics. |
| `[../hyperframes-creative/references/story-spine.md](../hyperframes-creative/references/story-spine.md)` | Step 3: story doctrine — hook language, value-before-evidence, proposal shape. |
| `[../hyperframes-creative/frame-presets/](../hyperframes-creative/frame-presets/)` | Step 2: choose and adopt a frame preset. |
| `[../hyperframes-creative/references/design-spec.md](../hyperframes-creative/references/design-spec.md)` | Step 2: apply brand tokens correctly. |
| `[references/story-design.md](references/story-design.md)` | Step 3: plan the explainer story. |
| `[../hyperframes-animation/blueprints-index.md](../hyperframes-animation/blueprints-index.md)` | Step 3: role→blueprint menu. Step 4: pick the shot shape. |
| `[../hyperframes-core/references/storyboard-format.md](../hyperframes-core/references/storyboard-format.md)` | Step 3: write `STORYBOARD.md`. |
| `[../hyperframes-core/references/script-format.md](../hyperframes-core/references/script-format.md)` | Step 3: write `SCRIPT.md`. |
| `[../media-use/audio/references/tts.md](../media-use/audio/references/tts.md)` | Step 3.1: choose or understand TTS providers and voices. |
| `[references/visual-design.md](references/visual-design.md)` | Step 4: write the frame's shot sequence (+ Layout vocabulary). |
| `[references/motion-language.md](references/motion-language.md)` | Step 4: the motion vocabulary + the motion doctrine. |
| `[references/cut-catalog.md](references/cut-catalog.md)` | Step 4-5: the cut catalog (worker builds within-frame seams). |
| `[../hyperframes-animation/rules-index.md](../hyperframes-animation/rules-index.md)` + `[../hyperframes-animation/rules/](../hyperframes-animation/rules/)` | Step 5: local rule recipe bodies for the cited motions. |
| `[sub-agents/frame-worker.md](sub-agents/frame-worker.md)` | Step 5: dispatch per-frame workers. |
| `[../hyperframes-core/references/subagent-dispatch.md](../hyperframes-core/references/subagent-dispatch.md)` | Step 5: dispatch sub-agents safely. |
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