diff --git a/internal/tier/tier.go b/internal/tier/tier.go
index 7758ac9..c4cf236 100644
--- a/internal/tier/tier.go
+++ b/internal/tier/tier.go
@@ -20,7 +20,7 @@ const (
 type Info struct {
 	Tier            Tier     `json:"tier"`
 	Label           string   `json:"label"`
-	AvailableModels []string `json:"available_models"`
+	AvailableModels []string `json:"available_models"` // populated by callers as needed; Detect always returns nil
 	ManagedAgents   bool     `json:"managed_agents"`
 }
 
@@ -59,6 +59,6 @@ func probe(ctx context.Context, client *http.Client, url string) bool {
 	if err != nil {
 		return false
 	}
-	resp.Body.Close()
+	_ = resp.Body.Close()
 	return true
 }