refactor(rolldown): theme

[webfansplz]

Theme:

Screenshot:

[Copilot]

Pull request overview

Refactors DevTools UI theming by moving primary color definitions out of the shared UI preset into tool-specific UnoCSS configs (rolldown/vite), and updates rolldown branding colors accordingly.

Changes:

• Add per-tool theme overrides in packages/vite and packages/rolldown UnoCSS configs.
• Update presetDevToolsUI to accept an optional theme option and merge it into the UnoCSS theme.
• Adjust rolldown visual branding (logo gradients) and add a predefined hue for rolldown.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packages/vite/src/uno.config.ts	Adds a primary palette override via presetDevToolsUI({ theme }).
packages/ui/src/unocss/theme.ts	Removes the previously exported shared theme definition.
packages/ui/src/unocss/index.ts	Extends preset options with theme and changes how theme merging is applied.
packages/rolldown/src/uno.config.ts	Adds a rolldown-specific primary palette override via presetDevToolsUI({ theme }).
packages/rolldown/src/app/utils/color.ts	Adds rolldown to the predefined hue map.
packages/rolldown/src/app/components/visual/LogoBanner.vue	Updates glow/gradient colors to match rolldown branding.

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commit: fd1c9cb