Sub-ticket of MARS-366 Rectificar-reminder mailer: bearer-gated /api/internal/rectificar-reminder, per-student email listing their rectificar prácticas as /mi-cursada/[id] links, sample/live-gated (confirm-token + cohort===39), live routes through emailOutbox (454-self-heal). Elazar directive 2026-06-30. · mars