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/components/dashboard/__tests__/recent-workouts-tile.test.tsx

@@ -40,10 +40,9 @@ let mockResult: {
 };
 
 vi.mock("@/hooks/use-workouts", async () => {
-  const actual =
-    await vi.importActual<typeof import("@/hooks/use-workouts")>(
-      "@/hooks/use-workouts",
-    );
+  const actual = await vi.importActual<typeof import("@/hooks/use-workouts")>(
+    "@/hooks/use-workouts",
+  );
   return {
     ...actual,
     useWorkouts: () => mockResult,