mcp: inline mcpVersion helper from Config

src/Config.zig

@@ -189,12 +189,6 @@ pub fn webBotAuth(self: *const Config) ?WebBotAuthConfig {
     };
 }
 
-pub fn mcpVersion(self: *const Config) []const u8 {
-    return switch (self.mode) {
-        .mcp => |opts| @tagName(opts.version),
-        else => @tagName(mcp.Version.default),
-    };
-}
 
 pub fn maxConnections(self: *const Config) u16 {
     return switch (self.mode) {

src/mcp/router.zig

@@ -81,8 +81,12 @@ pub fn handleMessage(server: *Server, arena: std.mem.Allocator, msg: []const u8)
 
 fn handleInitialize(server: *Server, req: protocol.Request) !void {
     const id = req.id orelse return;
+    const version: protocol.Version = switch (server.app.config.mode) {
+        .mcp => |opts| opts.version,
+        else => .default,
+    };
     const result: protocol.InitializeResult = .{
-        .protocolVersion = server.app.config.mcpVersion(),
+        .protocolVersion = @tagName(version),
         .capabilities = .{
             .resources = .{},
             .tools = .{},