Function createExpenseEntry

app.js:55–65

* Create a new expense entry * @param {Object} data - Expense data * @returns {Object} Expense entry with generated ID

(data)

 * @returns {Object} Expense entry with generated ID
 */
function createExpenseEntry(data) {
    return {
        id: generateUUID(),
        date: data.date,
        mealType: data.mealType || 'lunch',
        itemType: data.itemType || 'veg',
        quantity: parseInt(data.quantity) || 1,
        cost: parseFloat(data.cost) || 0,
        notes: data.notes || null
    };
}

/**
 * Compute derived data from profile and expenses