diff --git a/src-tauri/src/mcp/handler.rs b/src-tauri/src/mcp/handler.rs
index 42fb7e6..3636120 100644
--- a/src-tauri/src/mcp/handler.rs
+++ b/src-tauri/src/mcp/handler.rs
@@ -197,7 +197,8 @@ impl WaMcpHandler {
         // call `scope::brief_visible(scope_val, exposed)` before returning.
         match crate::commands::get_feature_brief(id).await {
             Ok(brief) => Ok(CallToolResult::structured(
-                serde_json::to_value(brief).map_err(|e| McpProtoError::internal_error(e.to_string(), None))?,
+                serde_json::to_value(brief)
+                    .map_err(|e| McpProtoError::internal_error(e.to_string(), None))?,
             )),
             Err(e) => Ok(CallToolResult::structured_error(json!({
                 "error": e.kind,