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/_components/mcp-server-interface.tsx

@@ -0,0 +1,13 @@
+import { loadPRDs } from '../_lib/server/prd-loader';
+import { McpServerTabs } from './mcp-server-tabs';
+import { PRDManagerClient } from './prd-manager-client';
+
+export async function McpServerInterface() {
+  const initialPrds = await loadPRDs();
+
+  return (
+    <McpServerTabs
+      prdManagerContent={<PRDManagerClient initialPrds={initialPrds} />}
+    />
+  );
+}