B2 browser role smoke (Phase 13)

Item	Value
run_id	T0-B2-20260809T015400Z (paired matrix) + browser evidence 20260809T0200Z
served FE	http://127.0.0.1:5181 (scripts/golden/serve_golden_fe.py)
version.json	{"version":"68eca6754a72+t0b2","builtAt":"2026-08-09T01:26:10.956Z"} — matches manifest
actor	gt.multi.teacher_homeroom
steps	login → observe role Guru → switch Wali Kelas → UI menu updates → session API confirms active_role=homeroom + students.homeroom.*
backend parity	session permissions after switch include homeroom-only caps; no password/session secrets stored

Result

PASS for representative multi-role FE/backend authority parity smoke (not full UX certification).