Device field of addon configuration set as optional prevent addon from starting

[ChristopheHD]

Describe the issue you are experiencing

For an addon with a optional device field (schema.field_name: "device(subsystem=tty)?"), if you don't set the field, you can save the configuration on the panel but you cannot start the addon. By starting the addon, you get the following error message "Device '' does not exist".

What type of installation are you running?

Home Assistant OS

Which operating system are you running on?

Home Assistant Operating System

Steps to reproduce the issue

1. Setup an addon with an optional device field schema.field_name: "device(subsystem=tty)?"
2. Install the addon
3. Save the configuration of the addon while not touching the device field
4. Launch the addon

Anything in the Supervisor logs that might be useful for us?

No logs of the issue, just an error message on the panel (Device '' does not exist for <addon_slug>)

System Health information

System Information

version	core-2024.12.3
installation_type	Home Assistant OS
dev	false
hassio	true
docker	true
user	root
virtualenv	false
python_version	3.13.0
os_name	Linux
os_version	6.6.51-haos-raspi
arch	aarch64
timezone	Europe/Paris
config_dir	/config

Home Assistant Community Store

GitHub API	ok
GitHub Content	ok
GitHub Web	ok
HACS Data	ok
GitHub API Calls Remaining	5000
Installed Version	2.0.1
Stage	running
Available Repositories	1488
Downloaded Repositories	11

Home Assistant Cloud

logged_in	false
can_reach_cert_server	ok
can_reach_cloud_auth	ok
can_reach_cloud	ok

Home Assistant Supervisor

host_os	Home Assistant OS 14.0
update_channel	stable
supervisor_version	supervisor-2024.11.4
agent_version	1.6.0
docker_version	27.2.0
disk_total	28.0 GB
disk_used	23.9 GB
healthy	true
supported	true
host_connectivity	true
supervisor_connectivity	true
ntp_synchronized	true
virtualization
board	yellow
supervisor_api	ok
version_api	ok
installed_addons	File editor (5.8.0), Mosquitto broker (6.4.1), Terminal & SSH (9.16.0), Piper (1.5.2), vosk (1.6.1), EnOcean MQTT (0.1.32), Studio Code Server (5.17.3), EnOcean MQTT (dev)

Dashboards

dashboards	2
resources	1
views	11
mode	storage

Recorder

oldest_recorder_run	5 décembre 2024 à 06:16
current_recorder_run	14 décembre 2024 à 17:46
estimated_db_size	306.56 MiB
database_engine	sqlite
database_version	3.45.3

Supervisor diagnostics

config_entry-hassio-01J309QW8ZTRFVKB5TWZR050SG.json

Additional information

No response