FAK order POST /order fails with 400 "not enough balance / allowance" despite sufficient USDC.e

[lesstidy]

Description

When attempting to place a Fill-And-Kill (FAK) order via polymarket-cli, I receive a 400 Bad Request error from the /order endpoint with the message {"error":"not enough balance / allowance"}. This occurs even after verifying wallet balance via GET /balance-allowance and approving the exchange contract.

Full error:

FAK error: Status: error(400 Bad Request) making POST call to /order with {"error":"not enough balance / allowance"}