18a518e58b
F-201: GET /pos/reports/cash-close/:id with financial summary, sales by state, payments breakdown, items sold. Extended /pos/sessions/:id. F-202: Cash close email sent on session close to smtpReportEmail (best-effort). smtpReportEmail field added to admin SMTP settings. F-203: Admin POS terminal config: selfpayMode, closeSessionRequiresPin, closeSessionPin (4-6 digits) with dedicated settings section.