style: apply prettier across the tree

One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.

src/app/__tests__/dashboard-chart-reveal.test.tsx

@@ -147,12 +147,8 @@ describe("dashboard chart-reveal wiring (page.tsx)", () => {
   const src = readFileSync(PAGE_PATH, "utf8");
 
   it("derives the gated id list from the chart visibility gates", () => {
-    expect(src).toMatch(
-      /const\s+revealChartIds:\s*string\[\]\s*=\s*\[\];/,
-    );
-    expect(src).toMatch(
-      /useDashboardChartReveal\(revealChartIds\)/,
-    );
+    expect(src).toMatch(/const\s+revealChartIds:\s*string\[\]\s*=\s*\[\];/);
+    expect(src).toMatch(/useDashboardChartReveal\(revealChartIds\)/);
   });
 
   it("every data-backed chart reports through onDataReady", () => {

src/app/__tests__/dashboard-tile-strip-skeleton.test.ts

@@ -243,9 +243,7 @@ describe("v1.4.43 W11 — dashboard tile-strip skeleton (wiring)", () => {
 
   it("uses the structured silhouette as the per-tile Suspense fallback", () => {
     const src = readFileSync(PAGE_PATH, "utf8");
-    expect(src).toMatch(
-      /<Suspense fallback=\{<TrendCardSkeleton \/>\}>/,
-    );
+    expect(src).toMatch(/<Suspense fallback=\{<TrendCardSkeleton \/>\}>/);
   });
 
   it("gates the EmptyState on the resolved `showEmptyState` flag", () => {

src/app/__tests__/insights-polish.test.ts

@@ -68,18 +68,14 @@ describe("v1.4.27 R3d MB4 — the layout mounts the Coach drawer", () => {
     const shellSource = load(
       `${process.cwd()}/src/components/layout/auth-shell.tsx`,
     );
-    expect(shellSource).toContain(
-      'from "@/lib/insights/coach-launch-context"',
-    );
+    expect(shellSource).toContain('from "@/lib/insights/coach-launch-context"');
     expect(shellSource).toMatch(/<CoachLaunchProvider>/);
     expect(shellSource).toMatch(/<LayoutCoachMount \/>/);
   });
 
   it("the insights layout no longer double-mounts the provider or drawer", () => {
     const layout = load(INSIGHTS_LAYOUT_PATH);
-    expect(layout).not.toContain(
-      'from "@/lib/insights/coach-launch-context"',
-    );
+    expect(layout).not.toContain('from "@/lib/insights/coach-launch-context"');
     expect(layout).not.toContain("import { LayoutCoachMount }");
     // FAB stays scoped to `/insights/**` because the floating button
     // would distract on surfaces with a contextual inline CTA.