3-bar base + regime_stability extension (0-12) + confidence extension (0-3) = adaptive 3-18 bar minimum hold. Only prevents exits, not entries. Targets 100-200K trades instead of 619K. Pearl: P7 hard minimum hold. Gem: G7 regime-conditioned extension. Novel: N12 ISV-driven hold confidence. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>