export const detectIntent = (text) => {
  const lower = text.toLowerCase().trim();

  // Explicit keywords
  const invTerms = ['inventory', 'stock', 'product', 'items', 'supplies', 'units'];
  const salesTerms = ['sales', 'revenue', 'orders', 'earnings', 'performance', 'stat'];
  const actionTerms = ['how many', 'show', 'list', 'check', 'total', 'get', 'what', 'view', 'display', 'analyze', 'identify'];

  const hasAction = actionTerms.some(a => lower.includes(a));
  const hasInv = invTerms.some(i => lower.includes(i));
  const hasSales = salesTerms.some(s => lower.includes(s));

  if ((hasAction && hasInv) || invTerms.includes(lower)) return 'INVENTORY';
  if ((hasAction && hasSales) || salesTerms.includes(lower)) return 'SALES';

  return 'CHAT';
};