Datasets:
| task_id: CROSS2_schema_evolution | |
| category: Cross-System | |
| difficulty: hard | |
| languages: [python] | |
| description: "Service A migration adds 3 columns + renames 1; update Service B stale ORM models" | |
| tni_pattern: F | |
| parameterized: true | |
| seeds: [0, 1, 2] | |