Claude sub-agents, PRD, MCP improvements (#359)

1. Added Claude Code sub-agents
2. Added PRD tool to MCP Server
3. Added MCP Server UI to Dev Tools
4. Improved MCP Server Database Tool
5. Updated dependencies

apps/dev-tool/app/mcp-server/prds/page.tsx

@@ -0,0 +1,16 @@
+import { Metadata } from 'next';
+
+import { loadPRDs } from '../_lib/server/prd-loader';
+import { PRDsListInterface } from './_components/prds-list-interface';
+
+export const metadata: Metadata = {
+  title: 'PRDs - MCP Server',
+  description: 'Browse and view all Product Requirements Documents',
+};
+
+export default async function PRDsPage() {
+  // Load PRDs on the server side
+  const initialPrds = await loadPRDs();
+
+  return <PRDsListInterface initialPrds={initialPrds} />;
+}