Why: Phase 5-7 depend on how repositories obtain the shared executor and how CI reads private submodules. Evidence: Owner answers on 2026-10-17; DM secret list shows SUBMODULE_TOKEN (SELF). Impact: Governance master plan only. Refs: docs/superpowers/plans/2026-10-16-development-governance-v2-master.md Co-authored-by: Cursor <cursoragent@cursor.com>