Files
hyperframes/skills/website-to-hyperframes/references/step-1-capture.md
T
ukimsanov 92a5ef419b feat(capture): improve capture quality + clean up CLAUDE.md
Capture improvements:
- Font weights via document.fonts API + DOM sampling (variable font detection)
- Section background-image extraction (no more false #FFFFFF on hero photos)
- Detected libraries surfaced in CLAUDE.md brand summary
- Structured visible-text.txt with [tag] prefixes, cookie/nav noise filtered
- tokens.json cleaned: removed images/paragraphs/icons (duplicated elsewhere),
  filtered sections to heading-only, trimmed cssVariables to design-relevant
- Removed redundant scroll pass in htmlExtractor (2-5s faster per capture)
- Font cap at 20 families, Placeholder/Fallback fonts filtered

CLAUDE.md rewrite:
- Removed prescriptive tone ("use exact strings" → "rephrase freely")
- Removed fluff sections (How to Create, DESIGN.md warning, Example Prompts,
  Source Patterns)
- asset-descriptions.md promoted to first data row
- Removed assets-catalog.json from inventory

Skill fixes:
- Dead shader refs → point to packages/shader-transitions/README.md
- Google Fonts import in techniques.md → local @font-face placeholder
- Added Stripe DESIGN.md as light-brand example
- Removed HANDOFF.md generation from step-7
- Updated step-1 for new font weight + visible-text formats
2026-04-18 18:48:37 -04:00

3.9 KiB

Step 1: Capture & Understand

Run the capture

npx hyperframes capture <URL> -o captures/<project-name>

No API keys required. The capture extracts design tokens, screenshots, fonts, and assets with DOM-context descriptions automatically.

Optional: Set GEMINI_API_KEY (or GOOGLE_API_KEY) in a .env file at the repo root for richer AI-powered image descriptions via Gemini 3.1 Flash Lite vision (~$0.001/image).

Wait for it to complete. Print how many screenshots, assets, sections, and fonts were extracted.

Read and summarize

Read each file below. After reading each one, write a 1-2 sentence summary of what you learned. These summaries are your working memory — the raw file content may be cleared from context later.

Must read (do not skip)

  1. View the scroll screenshots — viewport-sized captures covering the full page height (the number depends on the page length). Start with:

    • screenshots/scroll-000.png — the hero section at full 1920x1080 resolution. This is the most important image. Describe: is the background light or dark? What's the dominant visual element? What colors jump out?
    • Then scan through the rest to see the full page. Each screenshot overlaps the previous by ~30%.

    After viewing them, write 3-4 sentences describing the site's visual mood, layout patterns, color strategy, and overall feel.

  2. extracted/tokens.json — Note the top 5-7 colors (HEX), all font families with their weights (e.g. Inter (400,700) or Sohne (100-900 variable)), number of sections, and number of headings/CTAs.

  3. extracted/visible-text.txt — Each line is prefixed with the HTML tag: [h1] Heading, [p] Body text, [a] Link text. Use these tags to understand hierarchy — headings are key messages, paragraphs are supporting copy. Strip the [tag] prefix when quoting text in the script.

  4. extracted/asset-descriptions.md — One-line-per-file summary of all downloaded assets. Note which assets are most visually striking or useful for video (hero images, logos, product screenshots).

Read if they exist

  1. extracted/animations.json — Note if the site uses scroll-triggered animations, marquees, canvas/WebGL, or named CSS animations.

  2. extracted/lottie-manifest.json — View each preview image at assets/lottie/previews/ to see what the animations look like.

  3. extracted/video-manifest.json — View each preview at assets/videos/previews/ to see what each video shows.

  4. extracted/shaders.json — If present, this contains the actual GLSL shader code that powers the site's WebGL visual effects (gradient waves, particle systems, noise fields). Read the fragment shaders to extract: color values used in gradients, noise algorithms, blend functions. You can recreate similar effects in your compositions using Canvas 2D or by embedding the shader patterns with a <canvas> + WebGL context. See the Canvas 2D and procedural art patterns in techniques.md.

On-demand (read when building scenes)

  1. Individual images in assets/ — Use asset-descriptions.md as your index. View specific images when you need them for a beat.

  2. extracted/assets-catalog.json — Use to find remote URLs when you need an asset that wasn't downloaded.

For rich captures (30+ images)

Launch a sub-agent to view all images and SVGs:

"Read every image in assets/ and every SVG in assets/svgs/. For each, write one line: filename — what it shows, dominant colors, approximate size. Return the complete catalog."

Use the sub-agent's catalog as your asset reference for the rest of the workflow.

Gate

Print your site summary before proceeding to Step 2:

  • Site: [name]
  • Colors: [top 3-5 HEX values with roles]
  • Fonts: [font families]
  • Sections: [count] sections, [count] headings, [count] CTAs
  • Key assets: [3-5 most useful assets for video]
  • Vibe: [one sentence describing the visual identity]