{ lib, ... }:
let
  disk-id = "scsi-0QEMU_QEMU_HARDDISK_110162268";
  data-id = "scsi-0HC_Volume_104473479";
in
{
  disko.devices = {

    # --- DISK 1: MAIN OS (38GB) ---
    disk.main = {
      # You were right! This IS the correct ID for the 38GB drive.
      device = "/dev/disk/by-id/${disk-id}";
      type = "disk";
      content = {
        type = "gpt";
        partitions = {
          boot = {
            size = "1M";
            type = "EF02";
            priority = 1;
          };
          ESP = {
            size = "512M";
            type = "EF00";
            content = {
              type = "filesystem";
              format = "vfat";
              mountpoint = "/boot";
            };
          };
          root = {
            size = "100%";
            content = {
              type = "filesystem";
              format = "ext4";
              mountpoint = "/";
            };
          };
        };
      };
    };

    disk.volume = {
      # This is the ID for your volume (from your ls output)
      device = "/dev/disk/by-id/${disk-id}";
      type = "disk";
      content = {
        type = "gpt";
        partitions = {
          data = {
            size = "100%";
            content = {
              type = "btrfs";
              extraArgs = [ "-f" ];
              mountpoint = "/mnt/data";
              subvolumes = {
                "@postgresql" = {
                  mountpoint = "/mnt/data/postgresql";
                  mountOptions = [
                    "nodatacow"
                    "noatime"
                  ];
                };
                "@forgejo" = {
                  mountpoint = "/mnt/data/forgejo";
                  mountOptions = [
                    "compress=zstd"
                    "noatime"
                  ];
                };
                "@immich" = {
                  mountpoint = "/mnt/data/immich";
                  mountOptions = [
                    "compress=zstd"
                    "noatime"
                  ];
                };
              };
            };
          };
        };
      };
    };

  };
}