fix(couples): protect joined invites from cancellation

apps/mobile/src/__tests__/lib/coupleApi.test.ts

@@ -12,12 +12,14 @@ describe("coupleApi", () => {
         await coupleApi.getState();
         await coupleApi.create();
         await coupleApi.join("ABCD2345");
+        await coupleApi.cancelInvite();
         await coupleApi.cancel();
 
         expect(request.mock.calls).toEqual([
             ["/v1/couple"],
             ["/v1/couple", { method: "POST", body: {} }],
             ["/v1/couple", { method: "POST", body: { invite_code: "ABCD2345" } }],
+            ["/v1/couple/invite", { method: "DELETE" }],
             ["/v1/couple", { method: "DELETE" }],
         ]);
     });

apps/mobile/src/lib/coupleApi.ts

@@ -24,4 +24,5 @@ export const coupleApi = {
         body: { invite_code: inviteCode },
     }),
     cancel: () => apiRequest<CoupleMutationResponse>("/v1/couple", { method: "DELETE" }),
+    cancelInvite: () => apiRequest<CoupleMutationResponse>("/v1/couple/invite", { method: "DELETE" }),
 };