RT tests are created in 'in_review' state (not validated):
- red_validation_status = 'approved' (RT confirmed execution)
- blue_validation_status = null (pending Blue Lead review)
- detection_result is pre-filled from the import JSON
Blue Lead sees these in their normal validation queue and confirms
or rejects the detection result. Only after Blue Lead approval does
the technique coverage update to validated/not_covered/partial.
This gives Blue Lead oversight over RT findings rather than auto-
accepting external engagement results as ground truth.
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