gsd-validate-phase

name	gsd-validate-phase
description	Retroactively audit and fill Nyquist validation gaps for a completed phase
argument-hint	[phase number]
allowed-tools	["Read","Write","Edit","Bash","Glob","Grep","Agent","AskUserQuestion"]

Audit Nyquist validation coverage for a completed phase. Three states: - (A) VALIDATION.md exists — audit and fill gaps - (B) No VALIDATION.md, SUMMARY.md exists — reconstruct from artifacts - (C) Phase not executed — exit with guidance

Output: updated VALIDATION.md + generated test files.

<execution_context> @~/.claude/gsd-core/workflows/validate-phase.md </execution_context>

Phase: $ARGUMENTS — optional, defaults to last completed phase. Execute end-to-end. Preserve all workflow gates.