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pre-ship-gate

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A ship gate that runs before any production deploy: checks the silent failure modes that make a deploy 'succeed' while prod stays broken, then verifies the live revision instead of trusting deploy output.

When to use

• Use before running any command that pushes to a production or staging environment.
• Use when an agent is about to report "shipped", "deployed", or "live".
• Use when a deploy reported success but users still see the old behavior.
• Use when a release involves database migrations, feature flags, or a staged rollout.

When not to use

• This skill does not run the production deploy for you. It gates and verifies around it.
• It cannot know your environment's exact health or version endpoint. Wire in the real one before relying on the verification phase.
• The silent failure catalog is common cases, not exhaustive. Systems with unusual release mechanics need their own additions.
• It does not replace environment-specific testing, load testing, or expert review.
• Stop and ask for clarification if the target environment, the intended revision, or the verification endpoint is unknown.

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