feat: add protocol version enum, update draft version

examples/mcp_client_handle_message.rs

@@ -122,18 +122,9 @@ fn handle_message(message_payload: &str) -> std::result::Result<(), AppError> {
                 ServerResult::ListToolsResult(list_tools_result) => {
                     dbg!(list_tools_result);
                 }
-                #[cfg(any(feature = "2025_03_26", feature = "2024_11_05"))]
                 ServerResult::CallToolResult(call_tool_result) => {
                     dbg!(call_tool_result);
                 }
-                #[cfg(feature = "draft")]
-                ServerResult::CallToolUnstructuredResult(call_tool_unstructured_result) => {
-                    dbg!(call_tool_unstructured_result);
-                }
-                #[cfg(feature = "draft")]
-                ServerResult::CallToolStructuredResult(call_tool_structured_result) => {
-                    dbg!(call_tool_structured_result);
-                }
                 ServerResult::CompleteResult(complete_result) => {
                     dbg!(complete_result);
                 }

src/generated_schema.rs

@@ -33,3 +33,7 @@ pub use mcp_schema::*;
 #[cfg(all(feature = "schema_utils", feature = "draft"))]
 #[path = "generated_schema/draft/schema_utils.rs"]
 pub mod schema_utils;
+
+#[path = "generated_schema/protocol_version.rs"]
+mod protocol_version;
+pub use protocol_version::*;

src/generated_schema/2024_11_05/mcp_schema.rs

@@ -6,7 +6,7 @@
 ///
 /// Generated from : <https://github.com/modelcontextprotocol/specification.git>
 /// Hash : UNKNOWN
-/// Generated at : 2025-05-20 20:52:14
+/// Generated at : 2025-05-26 21:28:07
 /// ----------------------------------------------------------------------------
 ///
 /// MCP Protocol Version

src/generated_schema/2024_11_05/schema_utils.rs

@@ -15,7 +15,7 @@ pub enum MessageTypes {
 /// Implements the `Display` trait for the `MessageTypes` enum,
 /// allowing it to be converted into a human-readable string.
 impl Display for MessageTypes {
-    /// Formats the `MessageTypes` enum variant as a string.   
+    /// Formats the `MessageTypes` enum variant as a string.
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(
             f,
@@ -1071,6 +1071,7 @@ impl FromStr for ServerJsonrpcResponse {
 
 /// To determine standard and custom results from the server side
 /// Custom results (CustomResult) are of type serde_json::Value and can be deserialized into any custom type.
+#[allow(clippy::large_enum_variant)]
 #[derive(::serde::Serialize, Clone, Debug)]
 #[serde(untagged)]
 pub enum ResultFromServer {

src/generated_schema/2025_03_26/mcp_schema.rs

@@ -6,7 +6,7 @@
 ///
 /// Generated from : <https://github.com/modelcontextprotocol/specification.git>
 /// Hash : UNKNOWN
-/// Generated at : 2025-05-20 20:52:15
+/// Generated at : 2025-05-26 21:28:07
 /// ----------------------------------------------------------------------------
 ///
 /// MCP Protocol Version