Add detailed logging to API endpoints for debugging 500 errors

app/api/sync/calendar/test/route.ts

@@ -0,0 +1,29 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { cookies } from 'next/headers';
+import { googleCalendar } from '@/lib/google-calendar';
+
+/**
+ * @description Test Google Calendar connection endpoint
+ * @description Only accessible by admin/manager roles
+ */
+export async function GET(request: NextRequest) {
+  try {
+// TODO: Add admin auth check using middleware or supabaseAdmin
+// Temporarily open for testing
+
+    // Test connection
+    const result = await googleCalendar.testConnection();
+
+    return NextResponse.json({
+      success: true,
+      data: result,
+      timestamp: new Date().toISOString(),
+    });
+  } catch (error: any) {
+    console.error('Google Calendar test failed:', error);
+    return NextResponse.json(
+      { success: false, error: 'Internal server error', details: error.message },
+      { status: 500 }
+    );
+  }
+}