Add detailed logging to API endpoints for debugging 500 errors

app/api/sync/calendar/route.ts

@@ -0,0 +1,33 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { googleCalendar } from '@/lib/google-calendar';
+
+/**
+ * @description Manual sync all staff calendars from Google
+ * @method POST
+ * @body { staff_ids?: string[] } - Optional staff IDs to sync
+ */
+export async function POST(request: NextRequest) {
+  try {
+    // TODO: Add admin auth check
+    const body = await request.json();
+    const { staff_ids } = body;
+
+    if (!googleCalendar.isReady()) {
+      return NextResponse.json({ success: false, error: 'Google Calendar not configured' }, { status: 503 });
+    }
+
+    // TODO: Fetch staff from DB, loop through each, sync their calendar events
+    // For now, test connection
+    const result = await googleCalendar.testConnection();
+
+    return NextResponse.json({
+      success: true,
+      message: 'Sync initiated',
+      connection: result,
+      synced_staff_count: 0, // TODO
+    });
+  } catch (error: any) {
+    console.error('Calendar sync failed:', error);
+    return NextResponse.json({ success: false, error: error.message }, { status: 500 });
+  }
+}