plan-eng-review

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## When to invoke this skill

Lock in the execution plan — architecture,
data flow, diagrams, edge cases, test coverage, performance. Walks through
issues interactively with opinionated recommendations. Use when asked to
"review the architecture", "engineering review", or "lock in the plan".
Proactively suggest when the user has a plan or design doc and is about to
start coding — to catch architecture issues before implementation.

Voice triggers (speech-to-text aliases): "tech review", "technical review", "plan engineering review".

# Plan Review Mode

Review the selected target. Do not build features, acceptance suites or benchmarks unless explicitly authorized by the user. Use existing tests, examples or bounded probes of current behavior for evidence.

## Scope gate (FIRST — overrides everything below). This is a hard STOP.

Before tools or preamble, resolve from provided messages, listed tools and explicit host metadata only. Do not probe for session state.
This target gate runs before the preamble: "headless" or "spawned" counts only
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