Show invited people the Rule, let them copy its cards for their community, and replace an expired invitation link.

tests/components/CompletedPage.test.tsx

@@ -130,6 +130,24 @@ describe("CompletedScreen", () => {
     ).not.toBeInTheDocument();
   });
 
+  it("shows copy-ready toast when copied query is set", () => {
+    sessionStorage.setItem(
+      CREATE_FLOW_LAST_PUBLISHED_KEY,
+      JSON.stringify({
+        ...storedRuleFixture,
+        copiedFromTitle: "Juniper Street Food Share",
+      }),
+    );
+    mockSearchParams({ copied: "1" });
+    render(<CompletedScreen />);
+    expect(screen.getByText("Your copy is ready")).toBeInTheDocument();
+    expect(
+      screen.getByText(
+        "It started from Juniper Street Food Share’s Rule. Read it through and change what does not fit before you invite your members.",
+      ),
+    ).toBeInTheDocument();
+  });
+
   it("shows post-publish toast in status region when celebrate query is set", () => {
     mockSearchParams({
       [CREATE_FLOW_COMPLETED_CELEBRATE_QUERY]: