add RichTooltip component for snippet content

src/lib/components/ui/RichTooltip.svelte

@@ -0,0 +1,59 @@
+<script lang="ts">
+	import { Tooltip as TooltipBase } from 'bits-ui'
+	import type { Snippet } from 'svelte'
+
+	interface Props {
+		content: Snippet
+		children: Snippet
+		delayDuration?: number
+		disableCloseOnTriggerClick?: boolean
+		disabled?: boolean
+		disableHoverableContent?: boolean
+	}
+
+	const {
+		content,
+		children,
+		delayDuration = 200,
+		disableCloseOnTriggerClick = false,
+		disabled = false,
+		disableHoverableContent = false
+	}: Props = $props()
+</script>
+
+<TooltipBase.Root
+	{delayDuration}
+	{disableCloseOnTriggerClick}
+	{disabled}
+	{disableHoverableContent}
+>
+	<TooltipBase.Trigger>
+		{#snippet child({ props })}
+			<span {...props}>
+				{@render children()}
+			</span>
+		{/snippet}
+	</TooltipBase.Trigger>
+	<TooltipBase.Content class="rich-tooltip-content" sideOffset={8}>
+		{@render content()}
+	</TooltipBase.Content>
+</TooltipBase.Root>
+
+<style lang="scss">
+	@use '$src/themes/layout' as *;
+	@use '$src/themes/typography' as *;
+	@use '$src/themes/spacing' as *;
+
+	:global(.rich-tooltip-content) {
+		background: var(--tooltip-bg, #2a2a2a);
+		color: var(--tooltip-text, white);
+		padding: $unit;
+		border-radius: $item-corner;
+		font-size: $font-small;
+		font-weight: $medium;
+		z-index: 1000;
+		box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
+		max-width: calc($unit * 31.25);
+		line-height: 1.4;
+	}
+</style>