feat: add MCP marketplace and custom scrollbar styles

Add comprehensive CSS styles for the MCP Marketplace interface, including card hover effects, responsive grid layout, modal backdrop blur, category badges, rating stars, install buttons, and loading animations. Also include custom scrollbar styling for the model selector to enhance user experience and visual consistency.

app/api/mcp/uninstall/route.ts

@@ -0,0 +1,46 @@
+import { NextResponse } from "next/server";
+import { MCPInstallationStatus } from "@/lib/types/mcp";
+import { MCPRepository } from "@/database/repositories/mcp";
+
+export async function DELETE(request: Request) {
+  try {
+    const { mcpId } = await request.json();
+
+    if (!mcpId) {
+      return NextResponse.json(
+        { success: false, error: "MCP ID is required" },
+        { status: 400 }
+      );
+    }
+
+    console.log(`Uninstalling MCP: ${mcpId}`);
+
+    // Verificar se está instalado
+    if (!MCPRepository.isInstalled(mcpId)) {
+      return NextResponse.json({
+        success: false,
+        error: `MCP ${mcpId} is not installed`,
+      }, { status: 400 });
+    }
+
+    // Remover do banco local
+    MCPRepository.removeInstallation(mcpId);
+
+    const result: MCPInstallationStatus = {
+      success: true,
+      message: `MCP ${mcpId} uninstalled successfully`,
+      mcpId,
+    };
+
+    return NextResponse.json({
+      success: true,
+      installation: result,
+    });
+  } catch (error: any) {
+    console.error("Error uninstalling MCP:", error);
+    return NextResponse.json(
+      { success: false, error: error.message || "Failed to uninstall MCP" },
+      { status: 500 }
+    );
+  }
+}