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>

src/Installer.php

@@ -44,6 +44,12 @@ final class Installer
      */
     public static function deactivate(): void
     {
+        // Clear scheduled cron events
+        $timestamp = wp_next_scheduled('wclp_check_expiring_licenses');
+        if ($timestamp) {
+            wp_unschedule_event($timestamp, 'wclp_check_expiring_licenses');
+        }
+
         // Flush rewrite rules
         flush_rewrite_rules();
     }