Here's the log of the problem.
2025-08-04 21:34:37.068 WARNING (SyncWorker_0) [homeassistant.loader] We found a custom integration hass_agent which has not been tested by Home Assistant. This component might cause stability problems, be sure to disable it if you experience issues with Home Assistant
2025-08-04 21:38:02.153 ERROR (MainThread) [custom_components.hass_agent] MQTT integration is not available
2025-08-04 21:38:02.154 ERROR (MainThread) [homeassistant.setup] Setup failed for custom integration 'hass_agent': Integration failed to initialize.
2025-08-04 21:38:09.307 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'hass_agent' sets option flow config_entry explicitly, which is deprecated at custom_components/hass_agent/config_flow.py, line 25: self.config_entry = config_entry. This will stop working in Home Assistant 2025.12, please create a bug report at https://github.com/hass-agent/HASS.Agent-Integration/issues
2025-08-04 21:42:40.088 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'hass_agent' creates a config entry when another entry with the same unique ID exists. This will stop working in Home Assistant 2026.3, please create a bug report at https://github.com/hass-agent/HASS.Agent-Integration/issues
2025-08-04 21:45:30.937 WARNING (SyncWorker_0) [homeassistant.loader] We found a custom integration hass_agent which has not been tested by Home Assistant. This component might cause stability problems, be sure to disable it if you experience issues with Home Assistant
2025-08-04 21:45:44.101 ERROR (MainThread) [custom_components.hass_agent] MQTT integration is not available
2025-08-04 21:45:44.101 ERROR (MainThread) [homeassistant.setup] Setup failed for custom integration 'hass_agent': Integration failed to initialize.
Here's the log of the problem.
2025-08-04 21:34:37.068 WARNING (SyncWorker_0) [homeassistant.loader] We found a custom integration hass_agent which has not been tested by Home Assistant. This component might cause stability problems, be sure to disable it if you experience issues with Home Assistant
2025-08-04 21:38:02.153 ERROR (MainThread) [custom_components.hass_agent] MQTT integration is not available
2025-08-04 21:38:02.154 ERROR (MainThread) [homeassistant.setup] Setup failed for custom integration 'hass_agent': Integration failed to initialize.
2025-08-04 21:38:09.307 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'hass_agent' sets option flow config_entry explicitly, which is deprecated at custom_components/hass_agent/config_flow.py, line 25: self.config_entry = config_entry. This will stop working in Home Assistant 2025.12, please create a bug report at https://github.com/hass-agent/HASS.Agent-Integration/issues
2025-08-04 21:42:40.088 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'hass_agent' creates a config entry when another entry with the same unique ID exists. This will stop working in Home Assistant 2026.3, please create a bug report at https://github.com/hass-agent/HASS.Agent-Integration/issues
2025-08-04 21:45:30.937 WARNING (SyncWorker_0) [homeassistant.loader] We found a custom integration hass_agent which has not been tested by Home Assistant. This component might cause stability problems, be sure to disable it if you experience issues with Home Assistant
2025-08-04 21:45:44.101 ERROR (MainThread) [custom_components.hass_agent] MQTT integration is not available
2025-08-04 21:45:44.101 ERROR (MainThread) [homeassistant.setup] Setup failed for custom integration 'hass_agent': Integration failed to initialize.