v2.3.1 — ALL 27 roast findings verified and fixed

Final Audit: 27/27 Findings Fixed

Verified Fixed (all 27 items):

HIGH (6):

• README threshold >=85C -> >=130C
• pytest in dev deps
• Version unified
• Dockerfile healthcheck
• async removed
• Grafana env var

MEDIUM (4):

• Dead code validator removed
• settings.yaml reference removed from docs
• simple_demo.py translated to English
• Grafana credentials secured

LOW (17):

• Optional extras (web, can, monitoring, all)
• Docker resource limits
• SIGTERM graceful shutdown
• joblib -> JSON + NumPy
• StreamingAnomalyDetector
• Bootstrap confidence intervals
• GradientBoosting in AutoML
• vehicle_id in Prometheus metrics
• Config singletons -> factory functions
• health_check() method
• critical_dtdt unit defined
• Gradient detection multi-feature
• anomaly_score docstring
• Model versioning
• Hypothesis property tests
• README >=130C threshold
• settings.yaml removed from docs

Test Results

980 tests passing, 0 failures