<objective Invoke external AI CLIs (Gemini, Claude, Codex, OpenCode, Qwen Code, Cursor) to independently review phase plans. Produces a structured REVIEWS.md with per-reviewer feedback that can be fed back into planning via /gsd:plan-phase --reviews. Flow: Detect CLIs → Build review prompt → Invoke each CLI → Collect responses → Write REVIEWS.md </objective <execution context @${CLAUDE PLUGIN ROOT}/workflows/review.md </execution context <context Phase number: extracted from $ARGUMENTS (required) Flags: - — Include Gemini CLI review - — Include Claude CLI review (uses separate session) - — In…