Question juridique clé
Whether the cantonal court violated the detainee's right to be heard by deciding before considering his timely observations to the prison's submissions.
Solution extraite
Yes. The cantonal court misread the detainee's filing and ruled before taking account of his timely comments; this violated his right to be heard.
Motifs extraits
A detained unrepresented party must not suffer from the court's misinterpretation of submissions. Because the court treated an earlier letter as the response and decided before the actual observations arrived, it deprived him of the chance to be heard.