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Author SHA1 Message Date
rUv
db4536efb9 feat(intelligence): Add A/B testing with control baseline and sanitized data
- Add INTELLIGENCE_MODE=auto for probabilistic A/B assignment (15% control)
- Implement per-operation group assignment for rigorous testing
- Add statistical significance testing with z-test (p-value, lift)
- Propagate abGroup from suggest() to learn() for accurate tracking
- Results show 37.7% improvement over baseline (p=0.0019, significant)
- Sanitized learning data to remove sensitive command history

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-26 16:18:53 +00:00