fix: restore match3d bad gateway helper after merge

server-rs/crates/api-server/src/match3d.rs

@@ -1241,6 +1241,13 @@ fn map_match3d_work_summary_response(item: Match3DWorkProfileRecord) -> Match3DW
     }
 }
 
+fn match3d_bad_gateway(message: impl Into<String>) -> AppError {
+    AppError::from_status(StatusCode::BAD_GATEWAY).with_details(json!({
+        "provider": MATCH3D_AGENT_PROVIDER,
+        "message": message.into(),
+    }))
+}
+
 fn map_match3d_work_profile_response(item: Match3DWorkProfileRecord) -> Match3DWorkProfileResponse {
     Match3DWorkProfileResponse {
         summary: map_match3d_work_summary_response(item),