feat(tui): render workflow progress as dim router-feed narration lines

apps/tui-go/internal/app/view.go

@@ -354,8 +354,8 @@ func (m Model) routerRows(w, h int) []string {
 			}
 		case "tool":
 			rows = append(rows, t.span("· tool output ("+itoaLen(e.Content)+" chars) — ^x to view", t.P.Dim))
-		case "stage":
-			rows = append(rows, t.span(e.Content, t.P.Faint))
+		case "narration", "stage":
+			rows = append(rows, t.span(e.Content, t.P.Dim))
 		}
 	}
 	// keep last h rows