Harden server draft sync (Save & Exit + post-login transfer)

tests/unit/draftHydrationUtils.test.ts

@@ -0,0 +1,13 @@
+import { describe, it, expect } from "vitest";
+import { createFlowStateHasKeys } from "../../lib/create/draftHydrationUtils";
+
+describe("createFlowStateHasKeys", () => {
+  it("returns false for empty object", () => {
+    expect(createFlowStateHasKeys({})).toBe(false);
+  });
+
+  it("returns true when any key is present", () => {
+    expect(createFlowStateHasKeys({ title: "x" })).toBe(true);
+    expect(createFlowStateHasKeys({ currentStep: "text" })).toBe(true);
+  });
+});