webui: Spring Cleaning Refactor v1 (#22505)

* wip: server_tools

* feat: Integrate with `/tools` endpoint

* feat: Builtin + MCP + JSON Schema Tools WIP

* refactor

* displayName -> display_name

* snake_case everywhere

* rm redundant field

* feat: Improvements

* chore: update webui build output

* refactor: Updates after server updates

* chore: update webui build output

* change arg to --tools all

* feat: UI improvements

* chore: update webui build output

* add readme mention

* llama-gen-docs

* chore: update webui build output

* chore: update webui build output

* chore: update webui build output

* feat: Reorganize settings sections

* feat: Separate dialogs for MCP Servers Settings and Import/Export

* feat: WIP

* feat: WIP

* feat: WIP

* feat: WIP

* feat: WIP

* feat: WIP

* WIP on allozaur/20677-webui-server-tools

* feat: UI improvements

* chore: Update package lock

* chore: Run `npm audit fix`

* feat: UI WIP

* feat: UI

* refactor: Desktop Icon Strip DRY

* feat: Cleaner rendering and transition for ChatScreen

* feat: UI improvements

* feat: UI improvement

* feat: Remove MCP Server "enable" switch from Tools submenu

* chore: Run `npm audit fix`

* feat: WIP

* feat: Logic improvements

* refactor: Cleanup

* refactor: DRY

* test: Fix Chat Sidebar UI Tests

* chore: Update package lock

* refactor: Cleanup

* feat: Chat Message Action Card with Continue and Permission flow implementations

* feat: Add agentic steering messages, draft messages and improve chat UX

* fix: Search results UI

* test: Fix unit test

* feat: UI/UX improvements

* refactor: Simplify `useToolsPanel` access in components

* feat: Implement Processing Info Context API

* feat: Implement 'Go back to chat' functionality for settings

* feat: Enhance MCP Server management in Chat Form Attachments

* style: Minor UI and branding adjustments

* chore: Update webui static build output

* chore: Formatting, linting & type checks

* feat: Draft messages logic

* feat: UI improvements

* feat: Steering Messages improvements

* refactor: Cleanup

* refactor: Cleanup

* feat: Improve UI

* refactor: Settings navigation hook

* refactor: DRY code

* refactor: DRY ChatMessageUser UI components

* refactor: Desktop Icon Strip DRY

* refactor: Tools & permissions

* fix: Navigation condition

* refactor: Cleanup

* refactor: Cleanup

* refactor: Cleanup

* fix: preserve reasoning_content in agentic flow

* refactor: Storybook cleanup

* refactor: isInViewport util function

* refactor: Rename globally `onClick` to `onclick`

* chore: `npm audit fix`

* refactor: Action Icon usage

* refactor: Naming

* refactor: JS in `class` directive

* refactor: Chat components cleanup WIP

* refactor: Components structure

* refactor: Cleanup WIP

* feat: New ChatAttachmentsPreview component

* feat: UI improvements

* feat: UI improvements

* refactor: Cleanup

* refactor: ChatAttachmentsPreview UI/UX

* refactor: Remove dead code

* refactor: Cleanup

* fix: Model Name aliases displaying

* feat: Shortcut improvements

* refactor: Chat Message

* feat: Move Import/Export to settings

* refactor: Cleanup

* refactor: Cleanup

* refactor: Cleanup

* refactor: Cleanup

---------

Co-authored-by: Xuan Son Nguyen <son@huggingface.co>

tools/server/webui/src/lib/components/ui/button/button.svelte

@@ -7,13 +7,13 @@
 		base: "focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive inline-flex shrink-0 items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium outline-none transition-all focus-visible:ring-[3px] disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&_svg:not([class*='size-'])]:size-4 [&_svg]:pointer-events-none [&_svg]:shrink-0",
 		variants: {
 			variant: {
-				default: 'bg-primary text-primary-foreground shadow-xs hover:bg-primary/90',
+				default: 'bg-primary text-primary-foreground shadow-sm hover:bg-primary/90',
 				destructive:
-					'bg-destructive shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60 text-white!',
+					'bg-destructive shadow-sm hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60 text-white!',
 				outline:
-					'shadow-xs hover:text-accent-foreground hover:bg-muted-foreground/10 backdrop-blur-sm dark:border-input border',
+					'shadow-sm hover:text-accent-foreground hover:bg-muted-foreground/10 backdrop-blur-sm dark:border-input border',
 				secondary:
-					'dark:bg-secondary dark:text-secondary-foreground bg-background shadow-sm text-foreground hover:bg-muted-foreground/20',
+					'bg-background dark:bg-muted-foreground/15 dark:text-secondary-foreground shadow-sm text-foreground hover:bg-muted-foreground/20 dark:hover:bg-muted-foreground/25',
 				ghost: 'hover:text-accent-foreground hover:bg-muted-foreground/10 backdrop-blur-sm',
 				link: 'text-primary underline-offset-4 hover:underline'
 			},