Questão jurídica principal
Whether the public law appeal against the cantonal decision was admissible and the subsidiary constitutional complaint excluded.
Decisão extraída
The public law appeal was in principle admissible against this incidental decision; the subsidiary constitutional complaint was inadmissible.
Fundamentação extraída
The challenged decision concerned the composition and recusal of the court, not the merits. It was an incidental decision that could be attacked under Art. 92 LTF, while no exception justified the subsidiary constitutional complaint.