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/api/integrations/healthkit/__tests__/route.test.ts

@@ -7,7 +7,7 @@ vi.mock("@/lib/db", () => ({
     // v1.4.43 W6 — audit-ledger breadcrumb for validation-failed paths.
     auditLog: { create: vi.fn() },
   },
-  toJson: <T,>(v: T) => v,
+  toJson: <T>(v: T) => v,
 }));
 
 vi.mock("@/lib/auth/session", () => ({ getSession: vi.fn() }));

src/app/api/integrations/status/__tests__/route.test.ts

@@ -85,9 +85,7 @@ describe("/api/integrations/status — Polar/Oura fold (04-M2)", () => {
 
     const entries = await fetchEntries();
     const keys = entries.map((e) => e.integration);
-    expect(keys).toEqual(
-      expect.arrayContaining(["polar", "oura"]),
-    );
+    expect(keys).toEqual(expect.arrayContaining(["polar", "oura"]));
 
     const polar = entries.find((e) => e.integration === "polar")!;
     expect(polar.connected).toBe(true);

src/app/api/integrations/withings/resume/route.ts

@@ -34,11 +34,7 @@ export const POST = apiHandler(async () => {
   const { user } = await requireAuth();
   annotate({ action: { name: "integrations.withings.resume" } });
 
-  const rl = await checkRateLimit(
-    `withings-resume:${user.id}`,
-    5,
-    60_000,
-  );
+  const rl = await checkRateLimit(`withings-resume:${user.id}`, 5, 60_000);
   if (!rl.allowed) {
     return apiError("Too many resume requests", 429, {
       errorCode: "rate_limited_self",