FAILURES: 2/5 fixtures failed

  1. FAIL FP-P2C-001::case_a [SeriesAdd/Strict]
  Class:    value_critical
  ReplayKey: FP-P2C-001/case_a/strict
  Trace:    FP-P2C-001:case_a:strict
  Mismatch: value drift
  Replay:   cargo test -- case_a
  2. FAIL FP-P2C-002::case_b [IndexAlignUnion/Hardened]
  Class:    shape_critical
  ReplayKey: FP-P2C-002/case_b/hardened
  Trace:    FP-P2C-002:case_b:hardened
  Mismatch: shape mismatch
  Replay:   cargo test -- case_b
  Artifact: path/to/corpus.json

GATE FAILURES:
  - FP-P2C-001: strict_failed > 0
