@include('partials.pms-clean-filter-get-scripts')
        // Scheme filters: clean GET (no empty keys; checked flags only); Select2; plan sync name / UID / ADP
        var $schemeFilterForm = $('#schemeFilterForm');
        var $mecSectorSelect, $mecSubSectorSelect;
        if ($schemeFilterForm.length) {
            window.pmsBindCleanFilterFormSubmit('#schemeFilterForm', {
                beforeCollect: function (form, add) {
                    if (form.getAttribute('data-context') !== 'plan') {
                        return;
                    }
                    var params = new URLSearchParams(window.location.search);
                    if (params.get('show_approved_schemes') === '1') {
                        add('show_approved_schemes', '1');
                    }
                    ['plan_type', 'month', 'year'].forEach(function (key) {
                        var v = params.get(key);
                        if (v) {
                            add(key, v);
                        }
                    });
                    var formPlanType = form.getAttribute('data-plan-type');
                    if (formPlanType && !params.get('plan_type')) {
                        add('plan_type', formPlanType);
                    }
                },
                onUncheckedCheckbox: function (name, el, add) {
                    if (name !== 'filter_fpa') {
                        return;
                    }
                    var form = el.form;
                    if (!form || form.getAttribute('data-context') !== 'plan') {
                        return;
                    }
                    if (String(form.getAttribute('data-plan-type') || '').toUpperCase() !== 'PMP') {
                        return;
                    }
                    add('filter_fpa_off', '1');
                },
            });
            var select2Base = { theme: 'bootstrap4', width: '100%', allowClear: true };
            $schemeFilterForm.find('select:not([multiple]):not(:disabled):not(.pms-select2-lookup)').each(function () {
                var $sel = $(this);
                if ($sel.hasClass('select2-hidden-accessible')) {
                    return;
                }
                var placeholder = $.trim($sel.find('option[value=""]').first().text() || '');
                var opts = $.extend({}, select2Base);
                if (placeholder !== '') {
                    opts.placeholder = placeholder;
                    opts.allowClear = true;
                }
                $sel.select2(opts);
            });
            $schemeFilterForm.find('select[multiple]:not(:disabled):not(.pms-select2-lookup)').each(function () {
                var $sel = $(this);
                if ($sel.hasClass('select2-hidden-accessible')) {
                    return;
                }
                var ph = $sel.data('placeholder') || '';
                $sel.select2($.extend({}, select2Base, { closeOnSelect: false, placeholder: ph }));
            });

            (function () {
                if (typeof window.pmsBindSchemeFilterCollapses === 'function') {
                    window.pmsBindSchemeFilterCollapses(document);
                    return;
                }
                var $planCollapse = $('.scheme-filters-plan-collapse').first();
                var $toggle = $('.scheme-filters-collapse-toggle').first();
                if (!$planCollapse.length || !$toggle.length) {
                    return;
                }
                var $label = $toggle.find('.scheme-filters-collapse-label');
                function syncLabel() {
                    $label.text($planCollapse.hasClass('show') ? 'Hide filters' : 'Show filters');
                }
                $planCollapse.on('hidden.bs.collapse shown.bs.collapse', function () {
                    syncLabel();
                    $(window).trigger('resize');
                });
                syncLabel();
            })();
        }
        if ($schemeFilterForm.length && $schemeFilterForm.find('.scheme-project-sync').length) {
            var $syncSelects = $schemeFilterForm.find('select.scheme-project-sync');
            $mecSectorSelect = $schemeFilterForm.find('select[name="mec_sector_id"]');
            $mecSubSectorSelect = $schemeFilterForm.find('select[name="mec_sub_sector_id"]');
            var schemeFilterFormTripleSyncing = false;

            function fillMecSectorFromProject(detail) {
                if (!$mecSectorSelect.length) {
                    return;
                }
                if (!detail || !detail.mec_sector) {
                    $mecSectorSelect.val('').trigger('change');
                    return;
                }
                var raw = (detail.mec_sector || '').trim();
                var map = window.schemeFilterMecSectorNameToId;
                if (!map || Array.isArray(map)) {
                    map = {};
                }
                var id = raw ? map[raw.toLowerCase()] : null;
                if (id) {
                    $mecSectorSelect.val(String(id)).trigger('change');
                } else {
                    $mecSectorSelect.val('').trigger('change');
                }
            }

            $(document).on('change.schemeTripleSync select2:select.schemeTripleSync select2:clear.schemeTripleSync', '#schemeFilterForm select.scheme-project-sync', function () {
                if (schemeFilterFormTripleSyncing) {
                    return;
                }
                var $this = $(this);
                var pid = $this.val() || '';
                var itemData = null;

                if (pid !== '') {
                    var $selectedOption = $this.find('option:selected');
                    if ($selectedOption.length && $selectedOption.data('select2Data')) {
                        itemData = $selectedOption.data('select2Data');
                    } else {
                        // Fallback to select2 data API
                        var s2data = $this.select2('data');
                        if (s2data && s2data.length > 0) {
                            itemData = s2data[0];
                        }
                    }
                }

                schemeFilterFormTripleSyncing = true;
                try {
                    $syncSelects.not(this).each(function () {
                        var $other = $(this);
                        if (($other.val() || '') !== pid) {
                            if (pid !== '' && itemData) {
                                // Create option if it doesn't exist
                                if (!$other.find('option[value="' + pid + '"]').length) {
                                    var lookupType = $other.data('lookup-type') || '';
                                    var label = pid;
                                    if (lookupType === 'adp') label = itemData.adp_number || '—';
                                    else if (lookupType === 'uid') label = itemData.code || itemData.uid || '—';
                                    else label = itemData.name || itemData.text || '—';
                                    var $newOpt = new Option(label, pid, true, true);
                                    $($newOpt).data('select2Data', itemData);
                                    $other.append($newOpt);
                                }
                            }
                            $other.val(pid).trigger('change.select2');
                        }
                    });
                } finally {
                    schemeFilterFormTripleSyncing = false;
                }
                fillMecSectorFromProject(itemData);
            });
        }