GoodWe "Grid Export" should allow negative values

[tarosk]

The problem

GoodWe "Grid Export Limit" configuration option should allow negative values.

Also if possible it would be good to protect it from random "touch and change" in mobile app.

What version of Home Assistant Core has the issue?

2024-10

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

GoodWe

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response