Initial commit: Hermes Chat v2

Svelte 5 + shadcn-svelte + Tailwind CSS v4 chat interface
for Hermes Agent with Monaco editor, file drag/drop,
artifacts, image preview, and real session management.

- SSE streaming via hermes CLI proxy
- File upload + drag/drop with image preview
- Code artifacts with Monaco editor
- Markdown + highlight.js syntax highlighting
- Full settings (model, provider, temp, system prompt)
- 12 shadcn UI components
- Dark/light theme

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

@@ -0,0 +1,29 @@
+<script lang="ts">
+	import { Tooltip as TooltipPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.ts";
+
+	let {
+		class: className = "",
+		children,
+		sideOffset = 4,
+		...restProps
+	}: {
+		class?: string;
+		children?: import("svelte").Snippet;
+		sideOffset?: number;
+		[key: string]: unknown;
+	} = $props();
+</script>
+
+<TooltipPrimitive.Content
+	{sideOffset}
+	class={cn(
+		"z-50 overflow-hidden rounded-md border bg-popover px-3 py-1.5 text-sm text-popover-foreground shadow-md animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+		className
+	)}
+	{...restProps}
+>
+	{#if children}
+		{@render children()}
+	{/if}
+</TooltipPrimitive.Content>