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2 commits

Author SHA1 Message Date
rcourtman
f3e95c24ae feat(ai): Add baseline learning and anomaly detection (Phase 2)
Phase 2 of Pulse AI differentiation:

- Create internal/ai/baseline package for learned baselines
- Implement statistical baseline learning with mean, stddev, percentiles
- Add z-score based anomaly detection with severity classification
  (low, medium, high, critical based on standard deviations)
- Integrate baseline provider into context builder
- Wire baseline store into patrol service with adapters
- Add anomaly enrichment to resource contexts

Key features:
- Learn computes baseline from historical metric data points
- IsAnomaly and CheckAnomaly detect deviations from normal
- Persists baselines to disk as JSON for durability
- Formatted anomaly descriptions for AI consumption
  Example: 'Memory is high above normal (85.2% vs typical 42.1% ± 8.3%)'

The baseline store needs to be initialized and triggered to learn
from metrics history. Next step is adding the learning loop.

All tests passing.
2025-12-12 11:26:31 +00:00
rcourtman
96af101c98 feat(ai): Add enriched context with historical trends and predictions
Phase 1 of Pulse AI differentiation:

- Create internal/ai/context package with types, trends, builder, formatter
- Implement linear regression for trend computation (growing/declining/stable/volatile)
- Add storage capacity predictions (predicts days until 90% and 100%)
- Wire MetricsHistory from monitor to patrol service
- Update patrol to use buildEnrichedContext instead of basic summary
- Update patrol prompt to reference trend indicators and predictions

This gives the AI awareness of historical patterns, enabling it to:
- Identify resources with concerning growth rates
- Predict capacity exhaustion before it happens
- Distinguish between stable high usage vs growing problems
- Provide more actionable, time-aware insights

All tests passing. Falls back to basic summary if metrics history unavailable.
2025-12-12 09:45:57 +00:00