Offer the engine's five size bands as exclusive ranges, so a count of 100 has one home and a group cannot continue without a size.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/unit/createFooterMessages.test.ts

@@ -16,8 +16,8 @@ describe("create footer messages", () => {
     );
   });
 
-  it("exposes confirmMembers for the community-size footer CTA", () => {
-    expect(messages.create.footer.confirmMembers).toBe("Confirm members");
+  it("exposes confirmSize for the community-size footer CTA", () => {
+    expect(messages.create.footer.confirmSize).toBe("Confirm size");
   });
 
   it("exposes publishCommunityRule for the final-review footer CTA", () => {