Prompt snapshot v7: reasoning-prompt checklist desk pass 2026-09-10 (21 families, 20,380 prompts: 5 defect repairs, 11 clause restorations, 2 well-posedness additions, 3 leak removals); previous prompts kept under tag v6

Prompt snapshot v6: apply 2026-09-08 owner review (30 families); previous prompts kept under tag v5

mirror metadata.csv from Kkuntal990/vbvr-thinkgen