Sub-ticket of MARS-359 Práctica detail /practicas/[id] Comentarios: prefix each comment author with a role label — 'Docente:' before a teacher's name, 'Alumno:' before a student's name — so it's clear who wrote each comment. Resolve role via the live-DB role helper (userRoles), not a JWT claim. Elazar 2026-06-30. Reversible UI. · mars