Phases: public repo & Docker (7), guest-first optional accounts (8), production hardening (9), Render deploy (10). Confirmed decisions and per-phase open questions recorded in each file. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01KFsGHju9szibJJa2YJcdbg