Module evolution 

Structs

AnalysisSnapshot

A snapshot of an analysis run, stored for evolution tracking.

RuleTrend

Per-rule violation count change between two snapshots.

TrendReport

Trend report comparing two snapshots.

Functions

check_regression

Check if the current score regresses compared to the last snapshot. Returns Some(TrendReport) if there’s a regression, None otherwise.

save_snapshot

Save an analysis snapshot to .boundary/history.ndjson.