fixed some newline issues

cmd/sidekick-tui/repro_test.go

@@ -46,7 +46,7 @@ func TestRenderMessageReasoningGap(t *testing.T) {
 
   rendered := m.renderMessage(msg)
   // Check if there is a gap between Thinking and Response
-  
+
   if !strings.Contains(rendered, "Thinking") || !strings.Contains(rendered, "Actual") || !strings.Contains(rendered, "response") {
     t.Errorf("rendered message missing content: %s", rendered)
   }
@@ -55,7 +55,7 @@ func TestRenderMessageReasoningGap(t *testing.T) {
   // We want to see if they are on adjacent lines or have a gap.
   // The user says "next one begins immediately while it should start from a new line"
   // This might mean it's on the SAME line if glamour messed up, or just next line.
-  
+
   // Let's print it to see
   t.Logf("Rendered Assistant:\n%s", rendered)
 }