Arma 3 Convert Player Squad Units to HC

/*
    Convert selected units (or all units if none selected) into High Command squads
    and name them Squad-1, Squad-2, Squad-3, etc.

    Paste into Debug Console and run on SERVER or via Global Exec.
*/

private _selected = [];
private _unitsToUse = [];

// Try to get currently selected units from curator/editor-style selection context
if (!isNil "get3DENSelected") then {
    _selected = get3DENSelected "object";
    _selected = _selected select { _x isKindOf "CAManBase" };
};

// Fallback: if no selected units, use all units
_unitsToUse = if (_selected isNotEqualTo []) then {
    _selected
} else {
    allUnits
};

// Keep only alive human/AI soldier units
_unitsToUse = _unitsToUse select {
    alive _x && { _x isKindOf "CAManBase" }
};

if (_unitsToUse isEqualTo []) exitWith {
    hint "No valid units found.";
};

// Build unique group list from chosen units
private _groups = [];
{
    private _grp = group _x;
    if !(isNull _grp) then {
        if !(_grp in _groups) then {
            _groups pushBack _grp;
        };
    };
} forEach _unitsToUse;

if (_groups isEqualTo []) exitWith {
    hint "No valid groups found.";
};

// Find a High Command commander
private _hcCommander = player;

// If player can't host HC, try to create the module logic linkage won't work by script alone.
// So this assumes the player already has HC access.
if (isNull _hcCommander) exitWith {
    hint "No valid HC commander found.";
};

private _index = 1;
private _added = 0;

{
    private _grp = _x;
    private _grpName = format ["Squad-%1", _index];

    // Set group ID shown in UI/map
    _grp setGroupIdGlobal [_grpName];

    // Add group to player's High Command
    _hcCommander hcSetGroup [_grp];

    _index = _index + 1;
    _added = _added + 1;
} forEach _groups;

hint format ["Added %1 group(s) to High Command.", _added];