/contracts/pool-manager/schema/pool-manager.json#L588-L612
We can see that during creation of a stable swap pool the amp value is allowed to be 0, which is not a valid value.
This has been flagged in the forked WhiteWhale audit report previously, see report here. However, the issue is that when we have an amp value of 0, all swaps would fail.
Borderline here, considering with an amp value of 0, all swaps would fail causing a DOS in using the pool.
Change the min amp value to 1, as done in the test module:
