CAST

CAST is a local-first web app for shaping long-form spoken video into stylized clips and exports.

It combines:

• transcript-driven clip finding and caption editing
• manual skip editing for long-form cleanup
• shader, gradient, dither, and de-rez visual treatment
• layered music arrangement with fades and cross-track timing
• local rendering and export with project data stored on your machine

Run CAST

Development:

cd "/Users/adam/Documents/CAST"
npm install
npm run dev

Open http://127.0.0.1:5180.

Single-origin local app mode:

npm run build
npm run start:app

Open http://127.0.0.1:4312 by default.

Projects and presets

By default, CAST stores local working data here:

• projects/ — imported media, transcripts, exports, per-project settings
• presets/ — tracked shareable look presets

You can override those roots with:

• CAST_DATA_DIR
• CAST_PRESETS_DIR

Dock launcher

Build the macOS launcher bundle:

npm run build:launcher

Install it into ~/Applications:

npm run install:launcher

That generates CAST.app, which you can pin to the Dock and use to start the local app directly.

Privacy

This repo is configured so local project data stays untracked:

• projects/
• media imports
• transcript/caption outputs
• export artifacts
• local logs

Only code and tracked presets should be committed.

Legacy Resolve scripts

The original Resolve-era scripts are preserved under:

legacy/resolve-scripts/

They are kept for reference only and are no longer part of the active CAST product surface.