Does “platformIO” support the “STM32L011F4” chip?
The K4 version is supported but not the F4 version.
I also don’t see e.g. Arduino support for that chip.
As always, custom support can be added by adding a custom board definition and Arduino variant implementation, as e.g. seen in here.
For official support, open issues in GitHub - platformio/platform-ststm32: ST STM32: development platform for PlatformIO and Issues · stm32duino/Arduino_Core_STM32 · GitHub.