Question juridique clé
Whether the complainant had standing to challenge the no-prosecution decision on the merits.
Solution extraite
As a merely injured party, the appellant lacked standing to contest the merits of the discontinuance or to invoke arbitrariness in fact-finding and evidence assessment.
Motifs extraits
Under Art. 81(1) LTF, injured parties who are neither private prosecutors nor victims have no legally protected interest in the criminal outcome; they cannot attack the prosecutor's or cantonal court's assessment of facts or evidence.