Show poster thumbnails in the detail panes

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/config/config.go

@@ -28,8 +28,15 @@ type Arr struct {
 // UI holds interface settings.
 type UI struct {
 	RefreshSeconds int `json:"refresh_seconds,omitempty"`
+	// Covers shows poster thumbnails in the detail panes (default true).
+	// Posters of titles that are not in the library yet are downloaded from
+	// the public image hosts Radarr/Sonarr point to (TMDb, TheTVDB).
+	Covers *bool `json:"covers,omitempty"`
 }
 
+// ShowCovers reports whether poster thumbnails are enabled.
+func (u UI) ShowCovers() bool { return u.Covers == nil || *u.Covers }
+
 // Config is the full application configuration.
 type Config struct {
 	Radarr  Arr     `json:"radarr"`

internal/config/config_test.go

@@ -76,3 +76,24 @@ func TestLoadPermissionWarning(t *testing.T) {
 		t.Fatalf("unexpected warnings: %v", warnings)
 	}
 }
+
+func TestShowCovers(t *testing.T) {
+	base := `{"radarr":{"url":"http://r","apikey":"k"},"sonarr":{"url":"http://s","apikey":"k"},"sabnzbd":{"url":"http://a","apikey":"k"}`
+	for _, tc := range []struct {
+		ui   string
+		want bool
+	}{
+		{``, true},
+		{`,"ui":{}`, true},
+		{`,"ui":{"covers":true}`, true},
+		{`,"ui":{"covers":false}`, false},
+	} {
+		cfg, err := Parse([]byte(base + tc.ui + `}`))
+		if err != nil {
+			t.Fatal(err)
+		}
+		if got := cfg.UI.ShowCovers(); got != tc.want {
+			t.Errorf("%q: ShowCovers = %v, want %v", tc.ui, got, tc.want)
+		}
+	}
+}