T08-01-TASK-02\n\nTrack: T08-01\nPhase: P08\nContracts: NET-DISCRIMINATED-RESULT-002, NET-OUTCOME-UNKNOWN-003, NET-IDEMPOTENCY-004, RATE-LIMIT-SAFE-006, TEST-SIMULATOR-001\n\nCover auth, rate limit, conflicts, partial failures, schema drift, redirects, lost responses and duplicate prevention.