Implement versions 0.0.4-0.0.7 features

v0.0.4:
- Add WooCommerce settings tab for default license settings
- Per-product settings override global defaults

v0.0.5:
- Add bulk license operations (activate, deactivate, revoke, extend, delete)
- Add license renewal/extension and lifetime functionality
- Add quick action buttons per license row

v0.0.6:
- Add license dashboard with statistics and analytics
- Add license transfer functionality (admin)
- Add CSV export for licenses
- Add OpenAPI 3.1 specification
- Remove /deactivate API endpoint

v0.0.7:
- Move license dashboard to WooCommerce Reports section
- Add license search and filtering in admin
- Add customer-facing license transfer with AJAX modal
- Add email notifications for license expiration warnings
- Add bulk import licenses from CSV
- Update README with comprehensive documentation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

assets/js/frontend.js

@@ -8,12 +8,29 @@
     'use strict';
 
     var WCLicensedProductFrontend = {
+        $modal: null,
+        $form: null,
+
         init: function() {
+            this.$modal = $('#wclp-transfer-modal');
+            this.$form = $('#wclp-transfer-form');
             this.bindEvents();
         },
 
         bindEvents: function() {
             $(document).on('click', '.copy-license-btn', this.copyLicenseKey);
+
+            // Transfer modal events
+            $(document).on('click', '.wclp-transfer-btn', this.openTransferModal.bind(this));
+            $(document).on('click', '.wclp-modal-close, .wclp-modal-cancel, .wclp-modal-overlay', this.closeTransferModal.bind(this));
+            $(document).on('submit', '#wclp-transfer-form', this.submitTransfer.bind(this));
+
+            // Close modal on escape key
+            $(document).on('keyup', function(e) {
+                if (e.key === 'Escape') {
+                    WCLicensedProductFrontend.closeTransferModal();
+                }
+            });
         },
 
         /**
@@ -80,6 +97,106 @@
                     $(this).remove();
                 });
             }, 1500);
+        },
+
+        /**
+         * Open transfer modal
+         */
+        openTransferModal: function(e) {
+            e.preventDefault();
+
+            var $btn = $(e.currentTarget);
+            var licenseId = $btn.data('license-id');
+            var currentDomain = $btn.data('current-domain');
+
+            $('#transfer-license-id').val(licenseId);
+            $('#transfer-current-domain').text(currentDomain);
+            $('#transfer-new-domain').val('');
+            $('#wclp-transfer-message').hide().removeClass('success error');
+            $('#wclp-transfer-submit').prop('disabled', false);
+
+            this.$modal.show();
+            $('#transfer-new-domain').focus();
+        },
+
+        /**
+         * Close transfer modal
+         */
+        closeTransferModal: function(e) {
+            if (e && $(e.target).closest('.wclp-modal-content').length && !$(e.target).is('.wclp-modal-close, .wclp-modal-cancel')) {
+                return;
+            }
+            this.$modal.hide();
+        },
+
+        /**
+         * Submit transfer request
+         */
+        submitTransfer: function(e) {
+            e.preventDefault();
+
+            var self = this;
+            var licenseId = $('#transfer-license-id').val();
+            var newDomain = $('#transfer-new-domain').val().trim();
+            var $message = $('#wclp-transfer-message');
+            var $submit = $('#wclp-transfer-submit');
+
+            // Basic validation
+            if (!newDomain) {
+                $message.text(wcLicensedProduct.strings.invalidDomain)
+                    .removeClass('success').addClass('error').show();
+                return;
+            }
+
+            // Confirm transfer
+            if (!confirm(wcLicensedProduct.strings.transferConfirm)) {
+                return;
+            }
+
+            // Disable submit button
+            $submit.prop('disabled', true);
+            $message.hide();
+
+            // Send AJAX request
+            $.ajax({
+                url: wcLicensedProduct.ajaxUrl,
+                type: 'POST',
+                data: {
+                    action: 'wclp_customer_transfer_license',
+                    nonce: wcLicensedProduct.transferNonce,
+                    license_id: licenseId,
+                    new_domain: newDomain
+                },
+                success: function(response) {
+                    if (response.success) {
+                        $message.text(response.data.message)
+                            .removeClass('error').addClass('success').show();
+
+                        // Update the domain display in the license card
+                        var $domainDisplay = $('.license-domain-display[data-license-id="' + licenseId + '"]');
+                        $domainDisplay.find('.domain-value').text(response.data.new_domain);
+                        $domainDisplay.find('.wclp-transfer-btn').data('current-domain', response.data.new_domain);
+
+                        // Close modal after a short delay
+                        setTimeout(function() {
+                            self.closeTransferModal();
+                        }, 1500);
+                    } else {
+                        $message.text(response.data.message || wcLicensedProduct.strings.transferError)
+                            .removeClass('success').addClass('error').show();
+                        $submit.prop('disabled', false);
+                    }
+                },
+                error: function(xhr) {
+                    var message = wcLicensedProduct.strings.transferError;
+                    if (xhr.responseJSON && xhr.responseJSON.data && xhr.responseJSON.data.message) {
+                        message = xhr.responseJSON.data.message;
+                    }
+                    $message.text(message)
+                        .removeClass('success').addClass('error').show();
+                    $submit.prop('disabled', false);
+                }
+            });
         }
     };