[CynicalBear]

>> What is the extrinsic criterion for determining a text was inspired by the Holy Spirit?<<

No errors or contradictions and has never been proven wrong.

[rzman21]

No errors or contradictions and has never been proven wrong.
>>I’d say you are relying on a subjective criterion.

By that criteria Albert Einstein was divinely inspired when he developed the theory of general relativity. It hasn’t been disproved and lacks contradictions.