Standardises on the identifier other agents use for state governments, which
is stable across corpus vintages and is the same id used against the live API.
Verified in the bundled fixture, and it is strictly better coverage than the
previous pick: Wisconsin reaches four of the five balance subtypes (adds
workers_comp_trust via Y21) and carries BOTH wide->modern recipe bridges
(X40->Z77 and X41->Z78), so a second recipe test is added. Y61
(other_insurance_trust) is absent for Wisconsin; no test depends on it.
Also notes not to assert on gov_name -- the fixture carries both "WISCONSIN"
and "WISCONSIN STATE GOVT" and the verb COALESCEs them.
jared
a11e29a0e0