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ilyi1116ilyi1116/reelmimic/.claude/skills/hyperframes-studio/SKILL.md

hyperframes-studio

Skill18 starsChanged 47 days agoMITView on GitHub

Use when building or editing a HyperFrames project that people open in Studio: how the timeline should be laid out so it reads well (one caption track, one element kind per track, every scene a sub-composition) and where captions and key content may sit (safe zones). Don't use for how to perform an individual edit (split, trim, retime, volume, copy, swap): that is `creator-editing-recipes.md` in `/hyperframes-core`.

11 other projects use a version of this, 7 of them edited.

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We split this skill into the rules it gives an agent

4 rules. 1 is common, 0 are distinctive, and 3 are very specific to this project.

  • 1

    Common

    Most of the 7 edited versions we read keep these.

  • 0

    Distinctive

    This author's own choices. Worth a look.

  • 3

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    All captions live on one track: a single sub-composition host (one data-track-index) marked data-track-kind="captions" that carries every …

    line 34
  2. Common:

    Never one row per caption group, and never captions mixed onto a track with another kind.

    line 36
  3. Very specific:

    Put data-track-kind on sub-composition hosts.

    line 51
  4. Very specific:

    Run hyperframes lint and fix every finding.

    line 74

“Common” is measured: kept by at least 6 in 10 of the 7 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

HyperFrames Studio conventions

Studio draws one timeline row per top-level element. A project that follows the rules below opens as a short, readable timeline; one that does not opens as a wall of unlabeled rows the user cannot edit. These are conventions for what to build. For how to change a clip, follow /hyperframes-core references/creator-editing-recipes.md and never invent a different form of the same edit.

1. Every scene is a sub-composition

The root composition holds only timed hosts, media and audio. Any scene with nested structure (a div containing children, a title with a subtitle, a chart) is its own file loaded with data-composition-src, wiring in references/sub-compositions.md.

Nested markup left inside the root does not become a row of its own. It hides inside one opaque row that cannot be trimmed or moved part by part.

Author as if a structure lint rejects any violation.

2. One caption track

  • All captions live on one track: a single sub-composition host (one data-track-index) marked data-track-kind="captions" that carries every caption group in order.
  • Never one row per caption group, and never captions mixed onto a track with another kind.
  • Word-timing rules are unchanged: see /embedded-captions and the caption_* lint rules.

3. One element kind per track

Group by kind so each row is one thing the user can select, mute or drag as a set.

Kinddata-track-kind
Base video / A-rollvideo (from the tag)
Scenes, overlays, graphicsgraphics
Captionscaptions
Audio (voiceover, music, sound effects)audio (from the tag)

Put data-track-kind on sub-composition hosts. Video and audio kinds come from the tag, so <video> and <audio> need no attribute. Give each kind its own data-track-index; the number is display only; it never changes what renders on top. Use CSS for layering.

4. Safe zones

Any ruler or safe-box overlay lives in the preview pane, never inside the composition, so do not add guide elements to the HTML. Both framings (wide and vertical) use the same two safe boxes, Premiere's defaults. The preview toggle draws them with a tick at the midpoint of every edge. Source: ACTION_SAFE_PERCENT and TITLE_SAFE_PERCENT in packages/studio/src/utils/previewSafeMargins.ts.

BoxShare of the frameInset on every edge
Action-safe90%5%
Title-safe80%10%
  • Safe margins: everything visible stays inside the action-safe box (90%), and captions and key content stay inside the title-safe box (80%).
  • Two-up and 50/50 layouts keep each half's content inside the title-safe box.

Checking your work

Run hyperframes lint and fix every finding. Then open the project in Studio and check that the timeline shows a base row, one row per scene host, one caption row and the audio rows.

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