feat: implement Radicale CardDAV sync utility and update contact handling for asynchronous sync

test-radicale-config.mjs

@@ -0,0 +1,45 @@
+#!/usr/bin/env node
+
+/**
+ * Test Radicale sync configuration
+ */
+
+import { getRadicaleConfig, isRadicaleEnabled, generateVCard } from './src/lib/radicale-sync.js';
+
+console.log('🧪 Testing Radicale Sync Configuration\n');
+
+// Check if enabled
+if (isRadicaleEnabled()) {
+	const config = getRadicaleConfig();
+	console.log('✅ Radicale sync is ENABLED');
+	console.log(`   URL: ${config.url}`);
+	console.log(`   Username: ${config.username}`);
+	console.log(`   Password: ${config.password ? '***' + config.password.slice(-3) : 'not set'}`);
+} else {
+	console.log('❌ Radicale sync is DISABLED');
+	console.log('   Set RADICALE_URL, RADICALE_USERNAME, and RADICALE_PASSWORD in .env.local to enable');
+}
+
+console.log('\n📝 Testing VCARD Generation\n');
+
+// Test VCARD generation
+const testContact = {
+	contact_id: 999,
+	name: 'Jan Kowalski',
+	phone: '["123-456-789", "987-654-321"]',
+	email: 'jan.kowalski@example.com',
+	company: 'Test Company',
+	position: 'Manager',
+	contact_type: 'project',
+	notes: 'Test contact for VCARD generation',
+	is_active: 1,
+	created_at: new Date().toISOString()
+};
+
+const vcard = generateVCard(testContact);
+console.log('Generated VCARD:');
+console.log('─'.repeat(60));
+console.log(vcard);
+console.log('─'.repeat(60));
+
+console.log('\n✅ Test complete!');