Configuration field to automatically link issues hierarchically

It would be interesting if Xray offered a kind of custom field that behaved like an issue-picker field and represented the ‘parent’ requirement (like… “traces up to ___”). Depending on how hierarchy is configured in Xray’s admin settings, choosing an issue in that field would [a] create that issue link between the two issues, and [b] display some value (like summary and/or issue key) for use in reporting.