fix

src/persistence/supabase/settings-repo.ts

@@ -5,12 +5,21 @@ const DEFAULT_SETTINGS: AppSettings = { id: 'singleton', groupLabel: 'Cliente' }
 
 export const supabaseSettingsRepo = {
   async get(): Promise<AppSettings> {
-    const { data } = await supabase
+    const { data, error } = await supabase
       .from('app_settings')
       .select('id, group_label')
       .eq('id', 'singleton')
       .single()
-    if (!data) return DEFAULT_SETTINGS
+
+    // PGRST116 = 0 rows — singleton aún no existe, crearlo y retornar el default
+    if (error?.code === 'PGRST116' || !data) {
+      await supabase.from('app_settings').upsert({
+        id: 'singleton',
+        group_label: 'Cliente',
+      })
+      return DEFAULT_SETTINGS
+    }
+
     return { id: 'singleton', groupLabel: (data.group_label as string) ?? 'Cliente' }
   },