## Summary Add Iteration filter component to work items list UI as part of https://gitlab.com/gitlab-org/gitlab/-/issues/536876 ## Backend Support Backend support is complete via https://gitlab.com/gitlab-org/gitlab/-/issues/510269 ## Implementation Details - Add Iteration filter component to work items list UI - Support filter operations: - Equals (specific iteration) - In (multiple iterations) - Not Equals - Wildcard (any/none/current) - Handle iteration hierarchy and cadence relationships - Update filter state management and GraphQL queries - Integrate with existing filter system ## Acceptance Criteria - [x] Iteration filter is available in work items list - [x] All filter operations work correctly (equals, in list, not equals, any/none/current) - [x] Filter handles iteration hierarchy properly - [x] Filter integrates with existing filters - [x] Filter state is persisted in URL - [x] Unit tests added - [x] E2E tests updated ## Related Issues - Parent: https://gitlab.com/gitlab-org/gitlab/-/issues/536876 - Backend: https://gitlab.com/gitlab-org/gitlab/-/issues/510269