added editor formatting config and some shadcn ui components for workspaces

src/lib/components/ui/button/button.svelte

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+<script lang="ts" module>
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAnchorAttributes, HTMLButtonAttributes } from "svelte/elements";
+	import { type VariantProps, tv } from "tailwind-variants";
+
+	export const buttonVariants = tv({
+		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",
+				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",
+				outline:
+					"bg-background shadow-xs hover:bg-accent hover:text-accent-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50 border",
+				secondary: "bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80",
+				ghost: "hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50",
+				link: "text-primary underline-offset-4 hover:underline",
+			},
+			size: {
+				default: "h-9 px-4 py-2 has-[>svg]:px-3",
+				sm: "h-8 gap-1.5 rounded-md px-3 has-[>svg]:px-2.5",
+				lg: "h-10 rounded-md px-6 has-[>svg]:px-4",
+				icon: "size-9",
+				"icon-sm": "size-8",
+				"icon-lg": "size-10",
+			},
+		},
+		defaultVariants: {
+			variant: "default",
+			size: "default",
+		},
+	});
+
+	export type ButtonVariant = VariantProps<typeof buttonVariants>["variant"];
+	export type ButtonSize = VariantProps<typeof buttonVariants>["size"];
+
+	export type ButtonProps = WithElementRef<HTMLButtonAttributes> &
+		WithElementRef<HTMLAnchorAttributes> & {
+			variant?: ButtonVariant;
+			size?: ButtonSize;
+		};
+</script>
+
+<script lang="ts">
+	let {
+		class: className,
+		variant = "default",
+		size = "default",
+		ref = $bindable(null),
+		href = undefined,
+		type = "button",
+		disabled,
+		children,
+		...restProps
+	}: ButtonProps = $props();
+</script>
+
+{#if href}
+	<a
+		bind:this={ref}
+		data-slot="button"
+		class={cn(buttonVariants({ variant, size }), className)}
+		href={disabled ? undefined : href}
+		aria-disabled={disabled}
+		role={disabled ? "link" : undefined}
+		tabindex={disabled ? -1 : undefined}
+		{...restProps}
+	>
+		{@render children?.()}
+	</a>
+{:else}
+	<button
+		bind:this={ref}
+		data-slot="button"
+		class={cn(buttonVariants({ variant, size }), className)}
+		{type}
+		{disabled}
+		{...restProps}
+	>
+		{@render children?.()}
+	</button>
+{/if}

src/lib/components/ui/button/index.ts

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+import Root, {
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant,
+	buttonVariants,
+} from "./button.svelte";
+
+export {
+	Root,
+	type ButtonProps as Props,
+	//
+	Root as Button,
+	buttonVariants,
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant,
+};

src/lib/components/ui/empty/empty-content.svelte

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+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="empty-content"
+	class={cn(
+		"flex w-full min-w-0 max-w-sm flex-col items-center gap-4 text-balance text-sm",
+		className
+	)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>

src/lib/components/ui/empty/empty-description.svelte

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+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="empty-description"
+	class={cn(
+		"text-muted-foreground [&>a:hover]:text-primary text-sm/relaxed [&>a]:underline [&>a]:underline-offset-4",
+		className
+	)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>

src/lib/components/ui/empty/empty-header.svelte

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+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="empty-header"
+	class={cn("flex max-w-sm flex-col items-center gap-2 text-center", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>

src/lib/components/ui/empty/empty-media.svelte

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+<script lang="ts" module>
+	import { tv, type VariantProps } from "tailwind-variants";
+
+	export const emptyMediaVariants = tv({
+		base: "mb-2 flex shrink-0 items-center justify-center [&_svg]:pointer-events-none [&_svg]:shrink-0",
+		variants: {
+			variant: {
+				default: "bg-transparent",
+				icon: "bg-muted text-foreground flex size-10 shrink-0 items-center justify-center rounded-lg [&_svg:not([class*='size-'])]:size-6",
+			},
+		},
+		defaultVariants: {
+			variant: "default",
+		},
+	});
+
+	export type EmptyMediaVariant = VariantProps<typeof emptyMediaVariants>["variant"];
+</script>
+
+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		variant = "default",
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> & { variant?: EmptyMediaVariant } = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="empty-icon"
+	data-variant={variant}
+	class={cn(emptyMediaVariants({ variant }), className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>

src/lib/components/ui/empty/empty-title.svelte

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+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="empty-title"
+	class={cn("text-lg font-medium tracking-tight", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>

src/lib/components/ui/empty/empty.svelte

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+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="empty"
+	class={cn(
+		"flex min-w-0 flex-1 flex-col items-center justify-center gap-6 text-balance rounded-lg border-dashed p-6 text-center md:p-12",
+		className
+	)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>

src/lib/components/ui/empty/index.ts

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+import Root from "./empty.svelte";
+import Header from "./empty-header.svelte";
+import Media from "./empty-media.svelte";
+import Title from "./empty-title.svelte";
+import Description from "./empty-description.svelte";
+import Content from "./empty-content.svelte";
+
+export {
+	Root,
+	Header,
+	Media,
+	Title,
+	Description,
+	Content,
+	//
+	Root as Empty,
+	Header as EmptyHeader,
+	Media as EmptyMedia,
+	Title as EmptyTitle,
+	Description as EmptyDescription,
+	Content as EmptyContent,
+};