Detail panes: poster top right, title and facts left, plot below; sextant rendering

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

internal/ui/format.go

@@ -25,8 +25,22 @@ func movieLabel(m radarr.Movie) string {
 	return label
 }
 
+// detailText is the text of a detail pane: a short head (title, facts,
+// state) and the plot below it.
+type detailText struct {
+	head, plot string
+}
+
+// String joins both parts, for places that show them as one text.
+func (d detailText) String() string {
+	if d.plot == "" {
+		return d.head
+	}
+	return d.head + "\n" + d.plot
+}
+
 // movieDetails renders the detail pane text for a movie.
-func movieDetails(m radarr.Movie) string {
+func movieDetails(m radarr.Movie) detailText {
 	var b strings.Builder
 	title := tview.Escape(m.Title)
 	if m.Year > 0 {
@@ -59,10 +73,7 @@ func movieDetails(m radarr.Movie) string {
 	case m.InLibrary():
 		b.WriteString("[yellow]In library, not downloaded[-]\n")
 	}
-	if m.Overview != "" {
-		b.WriteString("\n" + tview.Escape(m.Overview) + "\n")
-	}
-	return b.String()
+	return detailText{head: b.String(), plot: tview.Escape(m.Overview)}
 }
 
 // profileIndex returns the index of the profile named name, or 0.
@@ -100,7 +111,7 @@ func seriesLabel(s sonarr.Series) string {
 }
 
 // seriesDetails renders the detail pane text for a series.
-func seriesDetails(s sonarr.Series) string {
+func seriesDetails(s sonarr.Series) detailText {
 	var b strings.Builder
 	title := tview.Escape(s.Title)
 	if s.Year > 0 {
@@ -138,10 +149,7 @@ func seriesDetails(s sonarr.Series) string {
 			fmt.Fprintf(&b, "[yellow]In library, %d/%d episodes downloaded[-]\n", st.EpisodeFileCount, st.EpisodeCount)
 		}
 	}
-	if s.Overview != "" {
-		b.WriteString("\n" + tview.Escape(s.Overview) + "\n")
-	}
-	return b.String()
+	return detailText{head: b.String(), plot: tview.Escape(s.Overview)}
 }
 
 func plural(n int) string {