return {
    cmd = {
        "arduino-language-server",
        "-clangd", "/usr/lib/llvm/21/bin/clangd",
        "-cli", "/usr/bin/arduino-cli",
        "-cli-config", "~/.arduino15/arduino-cli.yaml",
        "-fqbn", "esp32:esp32:adafruit_qtpy_esp32s3_nopsram"
    }
}