- Low-confidence ensemble votes now forced to Hold (was letting weak
signals through to order generation in both vote paths)
- Inference latency tracking uses EMA (alpha=0.1) instead of
overwriting with the latest sample
- retrain_model returns Status::Unimplemented instead of faking
success with a random job_id
- get_model_performance returns honest zeroes instead of hardcoded
fake metrics (accuracy=0.85 etc.)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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