feat: add admin panel with project and tag management

- Full CRUD interface for projects with GitHub integration and tagging
- Real-time event log with expandable metadata viewer
- Reusable component library (Badge, Button, Input, Modal, Table,
TagPicker)
- Server-side API client with Unix socket and HTTP support
- JWT-based authentication with Svelte 5 reactive stores
- Settings management for social links and site identity
- Remove /admin path from tarpit to allow legitimate access

web/src/lib/components/AppWrapper.svelte

@@ -6,15 +6,17 @@
   let {
     class: className = "",
     backgroundClass = "",
+    bgColor = "bg-black",
     children,
   }: {
     class?: string;
     backgroundClass?: string;
+    bgColor?: string;
     children?: Snippet;
   } = $props();
 </script>
 
-<div class="pointer-events-none fixed inset-0 -z-20 bg-black"></div>
+<div class={cn("pointer-events-none fixed inset-0 -z-20", bgColor)}></div>
 <Dots class={[backgroundClass]} />
 <main class={cn("relative min-h-screen text-zinc-50", className)}>
   {#if children}