perf-baseline-manager
Manage baseline storage and comparison.
Follow docs/perf-requirements.md as the canonical contract.
Required Rules
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One baseline JSON per version.
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Store under {state-dir}/perf/baselines/<version>.json .
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Record metrics + environment metadata.
Output Format
baseline_version: <version> metrics: <summary> file: <path>
Constraints
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Overwrite older baseline for the same version.
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Do not create multiple files for one version.