* [WIP] webpack config setup for fast refresh + websocket server

* add prod/dev hmr webpack config option

* render immediately and handle AsyncMessage in startup app hook

* forward ui AsyncMessages to browser via WebSockets

* null check sentry transaction to fix browser error

* refactor AsyncMessageChannel code for browser implementation

* webpack use swc-loader for browser version + speed/bundle size plugin options

* prettify browser dev preview UI

* enable loading screen if startup params missing (for web serve + disconnected browser dev preview)

* attempt to fix webpack build for tests

* add SpeedMeasurePlugin package

* create AsyncMessageChannel dev docs

* replace web-preview.md ASCII data flow diagram with mermaid

* use radii/spacing tokens instead of px for web preview.tsx styles

Co-authored-by: Jan Six <[email protected]>

* remove commented out startup handler (handled in startup.tsx useEffect now)

Co-authored-by: Jan Six <[email protected]>

* remove commented out code

Co-authored-by: Jan Six <[email protected]>

* replace px values with tokens

Co-authored-by: Jan Six <[email protected]>

* conditional export for AsyncMessageChannel preview env

* add browser preview WEBSOCKETS_PORT env

* fix typescript issue with PreviewAsyncMessageChannel.isWsConnected

* add test coverage for AsyncMessageChannelPreview

* Browser preview debug UI (#2803)

* fix AsyncMessageChannelPreview undefined error + export WS URI

* browser preview CSS file for UI fixes

* create previewUtils for browser color scheme + setFigmaBrowserTheme

* browser preview URL params + fullscreen/theme/action modes

* two bug fixes for browser/plugin websocket preview bridge

* add preview dist folder for web preview builds

* [WIP] browser preview dev knowledge docs

* feat(dev): request startup on browser preview page open

* refactor(dev): use env vars for browser preview ws src

* fix(debug): remove console.log from asyncmessagechannelpreview

* fix(css): figmaloading full height css for browser preview

* refactor(dev): use enums for websockets src in browser preview tsx

* fix(dev): remove comments

* refactor: reuse htmlClassList variable

* remove unused package

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Co-authored-by: macintoshhelper <[email protected]>

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Co-authored-by: macintoshhelper <[email protected]>
Co-authored-by: Jan Six <[email protected]>