fix(metrics): detect key collisions between dimensions, metrics, and metadata#5240

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Zelys-DFKH:fix/metrics-key-collision-detection

Commits on May 11, 2026

fix(metrics): detect key collisions between dimensions, metrics, and metadata
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Commits on May 17, 2026

fix(metrics): centralize EMF key collision check in serializeMetrics()

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claude
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Commits on May 22, 2026

fix(metrics): warn on metadata/dimension key overwrites; extract collision check

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claude
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fix(metrics): warn on all key overwrites; sync dimension tests with upstream

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claude
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Commits on May 23, 2026

Commits on May 24, 2026

test(metrics): move collision tests into dimensions.test.ts
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