PR_26175_ALFA_051-alfa-end-of-day-closeout

[ToolboxAid]

Summary

• Adds a report-only Team Alfa end-of-day closeout after ALFA_050 merged to main.
• Documents current main verification, duplicate ALFA_051 numbering, and open Team Alfa PR audit.
• Includes required branch validation, validation lane, checklist, manual notes, Codex diff/list reports, and local delta ZIP under tmp/.

Validation

• PASS: git status --short --branch
• PASS: git rev-list --left-right --count origin/main...HEAD
• PASS: git diff --name-only
• PASS: git diff --check
• PASS: GitHub connector audit found no open PRs matching ALFA or PR_26175_ALFA

Runtime/UI changes: none.