fix: no cursor on the versions in a secret's details: they're read, not moved in (#28)

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

internal/ui/app/app_test.go

@@ -494,7 +494,7 @@ func TestVersionHistoryInDetail(t *testing.T) {
 	screen := d.screen()
 	for _, want := range []string{
 		"versions   3 · v to browse",
-		"▸ 3f9c2a   2026-09-01 current", // the version shown above
+		"   3f9c2a   2026-09-01 current",
 		"   91d3e0   2026-03-01 expired",
 		"   0a77c4   2025-09-01 disabled",
 	} {
@@ -502,6 +502,9 @@ func TestVersionHistoryInDetail(t *testing.T) {
 			t.Errorf("missing %q:\n%s", want, screen)
 		}
 	}
+	if strings.Contains(screen, "▸ 3f9c2a") {
+		t.Errorf("a cursor on a list that can't be moved in:\n%s", screen)
+	}
 	d.keys("3", "j") // api-key: only its current version
 	if !strings.Contains(d.screen(), "versions   1") || strings.Contains(d.screen(), "v to browse") {
 		t.Errorf("wrong history for api-key:\n%s", d.screen())

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
 }