--- name: gsd:secure-phase description: Retroactively verify threat mitigations for a completed phase argument-hint: "[phase number]" allowed-tools: - Read - Write - Edit - Bash - Glob - Grep - Task - AskUserQuestion --- Verify threat mitigations for a completed phase. Three states: - (A) SECURITY.md exists — audit and verify mitigations - (B) No SECURITY.md, PLAN.md with threat model exists — run from artifacts - (C) Phase not executed — exit with guidance Output: updated SECURITY.md. @${CLAUDE_PLUGIN_ROOT}/workflows/secure-phase.md Phase: $ARGUMENTS — optional, defaults to last completed phase. Execute @${CLAUDE_PLUGIN_ROOT}/workflows/secure-phase.md. Preserve all workflow gates.