Stage 0 then 1+2 agreed; H4 folds logins; H3 measured without a screen (delivery_log_days, decision rule, no card); L5 validated at save; L12 the send log gets domain_id; L8 the reply names no other domain; L9 local comment and test only; stage 5 taken whole. Migrations renumbered 0007-0009. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>