Email Failover — Primary to Resend Backup

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Inspecting compiled semantics

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Semantic lens Compare system roles

Choose up to two semantic kinds. One reveals its real traffic; two compare only direct authored relationships.

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Semantic radar Building overview

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Semantic radar needs more MAP space.

tags.primary names the failing engine; extra.error carries its message
Warnings only means the backup is carrying traffic — fix the primary at leisure
Every failure warns Sentry (feature:email); warnings-only means the backup carries traffic

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