Reauth and reconfigure flows need to be linked to a config entry

Starting a reauth or a reconfigure flow without a link to the config entry has been deprecated, and will start failing in 2025.12.

Custom integrations should be updated to trigger the reauth flow using the entry.async_start_reauth(hass) helper.

    async def async_press(self) -> None:
        """Handle the button press."""
        try:
            await self.device.press_button()
        except DevicePasswordProtected as ex:
            self.entry.async_start_reauth(self.hass)

Old incorrect code:

    async def async_press(self) -> None:
        """Handle the button press."""
        try:
            await self.device.press_button()
        except DevicePasswordProtected as ex:
            # old incorrect code:
            self.hass.async_create_task(
                hass.config_entries.flow.async_init(DOMAIN, context={"source": SOURCE_REAUTH}
            )
    )

Custom integrations can also raise a ConfigEntryAuthFailed exception during the initialization phase, or within the update method of a data update coordinator.

async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
    """Set up integration from a config entry."""
    username = entry.data[CONF_USERNAME]
    password = entry.data[CONF_PASSWORD]

    if not _credentials_valid(username, password):
        raise ConfigEntryAuthFailed()

Starting a reconfigure flow is only done by the frontend and custom integrations should not need to change anything for these flows.

More details can be found in the reconfigure and reauthentication documentation.