Questione giuridica chiave
Whether the subsidiary constitutional complaint was admissible against the first-instance decision as well as the cantonal appellate judgment.
Decisione estratta
The complaint could only target the final cantonal decision; insofar as it challenged the first-instance ruling, it was inadmissible.
Motivazione estratta
A subsidiary constitutional complaint lies only against final cantonal decisions under Art. 113 BGG.