Resource capability (#5)

Prompt capability
Pagination support

src/mcpdotnet/Protocol/Messages/JsonRpcError.cs

@@ -0,0 +1,27 @@
+namespace McpDotNet.Protocol.Messages;
+
+using System.Text.Json.Serialization;
+
+/// <summary>
+/// An error response message in the JSON-RPC protocol.
+/// </summary>
+public record JsonRpcError : IJsonRpcMessageWithId
+{
+    /// <summary>
+    /// JSON-RPC protocol version. Always "2.0".
+    /// </summary>
+    [JsonPropertyName("jsonrpc")]
+    public string JsonRpc { get; init; } = "2.0";
+
+    /// <summary>
+    /// Request identifier matching the original request.
+    /// </summary>
+    [JsonPropertyName("id")]
+    public required RequestId Id { get; init; }
+
+    /// <summary>
+    /// Error information.
+    /// </summary>
+    [JsonPropertyName("error")]
+    public required JsonRpcErrorDetail Error { get; init; }
+}