chore(format): trend-card test file prettier sweep

Pure prettier collapse of the up-bad sentiment test JSX. No logic change.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/components/charts/__tests__/trend-card.test.tsx

@@ -40,11 +40,7 @@ describe("<TrendCard> directionSentiment", () => {
 
   it("paints up-bad metric ↑ as orange (warning)", () => {
     const html = render(
-      <TrendCard
-        {...baseProps}
-        slope30={RISING}
-        directionSentiment="up-bad"
-      />,
+      <TrendCard {...baseProps} slope30={RISING} directionSentiment="up-bad" />,
     );
     expect(html).toContain("text-dracula-orange");
   });