The monitor command does not recognize port specified in the sketch.yaml file.

[woolseyj]

Describe the problem

I can use the arduino-cli board attach command to specify the default FQBN and serial port attached to a sketch. However, if I then try to run the arduino-cli monitor command (without any other options) I get the following error.

required flag(s) "port" not set

I expected the monitor command would pick up the default port set in the sketch.yaml file, but that does not appear to be the case.

To reproduce

Create a sketch that includes serial output.

Attach a board to the sketch.
$ arduino-cli board attach --fqbn arduino:renesas_uno:unor4wifi --port /dev/cu.usbmodemDC5475C3BE142

Compile and upload the sketch to the board.
$ arduino-cli compile --upload

Display the board's serial output.
$ arduino-cli monitor

Expected behavior

I expected the
$ arduino-cli monitor
command to display the board's serial output. Instead, I received the required flag(s) "port" not set error. Adding the port specification to the command
$ arduino-cli monitor --port /dev/cu.usbmodemDC5475C3BE142
shows the expected serial output.

Arduino CLI version

arduino-cli Version: nightly-20230827 Commit: f5a9b7c Date: 2023-08-27T01:27:51Z

Operating system

macOS

Operating system version

13.5.1

Additional context

No response

Issue checklist

• I searched for previous reports in the issue tracker
• I verified the problem still occurs when using the nightly build
• My report contains all necessary details

[woolseyj]

Confirmed that the update works in the latest nightly build (Version: nightly-20231025 Commit: b7ce9c8 Date: 2023-10-25T01:27:05Z).

Thank you.