## Implementation Summary Created new E2E test file `tests/e2e/test_delete_issue_cancel_preserves.py` with 4 tests: 1. **test_cancel_delete_preserves_issue_in_table** - Verifies issue row remains visible in table after dismissing delete confirmation 2. **test_cancel_delete_preserves_issue_in_database** - Verifies issue is NOT deleted in the database when cancel is clicked (via API check) 3. **test_cancel_delete_keeps_issue_data_unchanged** - Verifies all issue fields (title, status, priority, labels) remain unchanged after canceling delete 4. **test_cancel_delete_allows_subsequent_operations** - Verifies the issue can still be opened and interacted with after canceling delete All tests pass with the local server running in debug mode. ## Test Verification All 4 tests passed in 8.03s. ## Files Changed - `tests/e2e/test_delete_issue_cancel_preserves.py` (new, 202 lines)