<objective 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. </objective <execution context @${CLAUDE PLUGIN ROOT}/workflows/validate-phase.md </execution context <context Phase: $ARGUMENTS — optional, defaults to last completed phase. </context <process Execute @${CLAUDE PLUGIN ROOT}/workflows/validate-phase.md. Preserve all workflow gates. </process ---