White fade from the top for notes

A soft white-to-clear gradient over the top 30% of the picture, there to make three pastel sticky notes readable; it appears with the notes at about 0.3 s and goes at 3.3 s. Backing for a label row that sits above the speaker's head.

Apply this to my video: "White fade from the top for notes" from the 24fps video editor library.
Preset JSON: https://24fps.dev/video-editor/effects/white-top-fade-for-sticky-notes-e6x/preset.json (pass its "preset" to the engine).
Engine (MIT, no dependencies, ES module): https://24fps.dev/editor/engine.js. Download the engine next to your page (curl -O) rather than importing cross-origin, then import { mount } from "./engine.js" in a <script type="module"> served over http.
Wiring: root = a position:relative box at the video's size. media = { main }: main is a wrapper holding my video, filling the root. Then const fx = mount(root, { kind: "effect", preset, media }) and call fx.render(seconds) every frame. It is seek-safe: drive it from the GSAP timeline in HyperFrames or call render(frame / fps) in Remotion. Before capturing frames, await (fx.ready ?? document.fonts.ready).
Field reference: https://24fps.dev/video-editor/llms.txt. Keep sizes as fractions of the frame height so it works at any resolution. Credit: 24fps.dev/video-editor

Same idea: Also called: Clarity (AI Edit)
Technique: Edit device observed in the AI caption app sample clips
Footage: Man talking and gesturing, Pexels

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