مرکز پژوهش متالورژی رازی

${content} ${getCurrentTime()} `; messagesContainer.insertBefore(msgDiv, typingIndicator); setTimeout(scrollToBottom, 50); } function addQuickActions(actions) { if (!actions || actions.length === 0) return; const existingActions = document.querySelector('.quick-actions'); if (existingActions) existingActions.remove(); const container = document.createElement('div'); container.className = 'quick-actions'; actions.forEach(action => { const btn = document.createElement('button'); btn.className = 'quick-action-btn'; btn.textContent = action; btn.onclick = () => { inputField.value = action; sendMessage(); }; container.appendChild(btn); }); messagesContainer.insertBefore(container, typingIndicator); setTimeout(scrollToBottom, 50); } function showTyping() { typingIndicator.classList.add('active'); scrollToBottom(); } function hideTyping() { typingIndicator.classList.remove('active'); } // ===== موتور پاسخگویی ===== function getResponse(userText) { const normalized = normalizeText(userText); for (const item of knowledgeBase) { if (item.keywords.length === 0) continue; const match = item.keywords.some(keyword => normalized.includes(keyword)); if (match) { return { answer: item.answer, actions: item.actions, isHtml: item.answer.includes(' item.keywords.length === 0); return { answer: defaultItem.answer, actions: defaultItem.actions, isHtml: false }; } function sendMessage() { const text = inputField.value.trim(); if (!text || isTyping) return; isTyping = true; addMessage(text, 'user'); inputField.value = ''; inputField.style.height = 'auto'; const oldActions = document.querySelectorAll('.quick-actions'); oldActions.forEach(el => el.remove()); showTyping(); const delay = 600 + Math.random() * 800; setTimeout(() => { hideTyping(); const response = getResponse(text); addMessage(response.answer, 'bot', response.isHtml); addQuickActions(response.actions); isTyping = false; }, delay); } // ===== رویدادها ===== toggleBtn.addEventListener('click', toggleChat); closeBtn.addEventListen