## QA PASSED **Test Execution Results:** | Test | Result | |------|--------| | test_update_issue_set_assignee_from_null | PASSED | | test_update_issue_set_assignee_from_empty_string | PASSED | | test_update_issue_set_assignee_using_search_filter | PASSED | | test_update_issue_set_assignee_via_api_persists_correctly | PASSED | All 4 tests passed in 7.98 seconds. **Manual Verification:** - Assignee dropdown works correctly for issues with null assignee - Default assignee from settings appears as an option - Selection updates UI immediately - Save persists changes to database - Table view refreshes to show updated assignee **Console Errors:** One pre-existing timestamp formatting error (not introduced by this PR) **Verdict:** APPROVED - Fix verified working.

## Implementation Complete Added E2E test file: tests/e2e/test_update_issue_set_assignee_from_null.py ### Tests Added (4 total, all passing) 1. test_update_issue_set_assignee_from_null - Sets assignee on an issue with null assignee 2. test_update_issue_set_assignee_from_empty_string - Sets assignee on an issue with empty string assignee 3. test_update_issue_set_assignee_using_search_filter - Tests using search to filter and select assignee 4. test_update_issue_set_assignee_via_api_persists_correctly - Verifies API-set assignee displays correctly ### Key Implementation Details Tests use the settings API to configure a default assignee option that appears in the dropdown. ### Verification All 4 tests pass against a local server with debug mode enabled.