fix: no cursor on the versions in a secret's details: they're read, not moved in

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/panes/detail.go

@@ -362,11 +362,13 @@ func (d Detail) versionLines(st styles.Styles) []string {
 			out = append(out, muted(fmt.Sprintf("   … %d more", len(d.versions)-i)))
 			break
 		}
-		marker := "  "
-		if d.secret.Version != "" && v.Version == d.secret.Version {
-			marker = "▸ " // the version shown above
+		// A list to read, not to move in (v browses them): no cursor. The
+		// version shown above, when it isn't the current one, is named.
+		line := "   " + VersionLine(st, v, d.Now(), current)
+		if d.secret.Version != "" && v.Version == d.secret.Version && v.Version != current {
+			line += muted(" · shown above")
 		}
-		out = append(out, " "+marker+VersionLine(st, v, d.Now(), current))
+		out = append(out, line)
 	}
 	return out
 }