Expose MCP server info as part of server status (#24698)

# Summary

Expose MCP server info via App Server (when available) so apps can
render a richer MCP experience

codex-rs/app-server-protocol/src/protocol/v2/mcp.rs

@@ -2,6 +2,7 @@ use super::shared::v2_enum_from_core;
 use codex_protocol::approvals::ElicitationRequest as CoreElicitationRequest;
 use codex_protocol::items::McpToolCallError as CoreMcpToolCallError;
 use codex_protocol::mcp::CallToolResult as CoreMcpCallToolResult;
+use codex_protocol::mcp::McpServerInfo;
 use codex_protocol::mcp::Resource as McpResource;
 pub use codex_protocol::mcp::ResourceContent as McpResourceContent;
 use codex_protocol::mcp::ResourceTemplate as McpResourceTemplate;
@@ -53,6 +54,7 @@ pub enum McpServerStatusDetail {
 #[ts(export_to = "v2/")]
 pub struct McpServerStatus {
     pub name: String,
+    pub server_info: Option<McpServerInfo>,
     pub tools: std::collections::HashMap<String, McpTool>,
     pub resources: Vec<McpResource>,
     pub resource_templates: Vec<McpResourceTemplate>,