{"slug":"majiayu000-data-contract-migrations","source_name":"majiayu000/data-contract-migrations","name":"Majiayu000/Data Contract Migrations","description":"Design and verify data contracts, schema changes, migrations, rollbacks, backfills, compatibility windows, tenant isolation, and API-to-database field mapping. Use when changing database schema, event payloads, persisted documents, analytics tables, multi-tenant data boundaries, or any user-visible data contract where silent fallback or undeclared fields would be dangerous.","version":1,"lift":{"pass_rate_delta_pts":33.33,"pass_rate_pct":86.4,"total_cases":22,"passed_cases":19,"tokens_delta_pct":-3.9,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-24T14:47:29.479770+00:00"},"skill_score":0.6667,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":33.33,"with_pass_pct":66.7,"without_pass_pct":33.3,"tokens_delta_pct":-3.9,"turns_delta_pct":0,"total_cases":22,"cases_aggregated":22,"verdict":"mixed","never_hurt":false,"completed_at":"2026-08-24T14:47:29.479770+00:00","run_id":"89d92211-f53b-4b85-9328-996a73822413","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"edb2872a79d04e6ed60985be8e3563312e7db35f86e0ed85c17ae36d68a3cd0f","raw_url":"https://app.decimal.ai/s/majiayu000-data-contract-migrations/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/majiayu000-data-contract-migrations"}