[codex][mcp] Add resource uri meta to tool call item. (#17831)

- [x] Add resource uri meta to tool call item so that the app-server
client can start prefetching resources immediately without loading mcp
server status.

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

@@ -4585,7 +4585,10 @@ pub enum ThreadItem {
         tool: String,
         status: McpToolCallStatus,
         arguments: JsonValue,
-        result: Option<McpToolCallResult>,
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        #[ts(optional)]
+        mcp_app_resource_uri: Option<String>,
+        result: Option<Box<McpToolCallResult>>,
         error: Option<McpToolCallError>,
         /// The duration of the MCP tool call in milliseconds.
         #[ts(type = "number | null")]