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    function renderResults(data) {
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                description: document.getElementById('product-desc').value.trim(),
                search_results: data.search_results,
                rag_context: data.rag_context,
                chat_history: []
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                    headers: { 'Content-Type': 'application/json' },
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                });
                const escData = await res.json();

                if (res.ok && escData.success) {
                    const r = escData.result;
                    if (r.is_final) {
                        appendChatMessage("assistant", "Excellent, I have enough confidence now! Updating the final code.");
                        document.getElementById('hts-code-display').textContent = r.data.final_hts_code;
                        document.getElementById('escalation-warning').classList.add('hidden');
                        document.getElementById('chat-input-area').classList.add('hidden');

                        // Show AI reasoning chain
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                            document.getElementById('reasoning-text').innerText = r.data.reasoning;
                        }

                        // Re-render confidence grid with human-verified values
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                            renderConfidenceGrid(r.data.element_confidences);
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                        // Output the final HTS code and reasoning, show the confidence grid
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                console.error(err);
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        chatInput.onkeypress = (e) => {
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    function renderConfidenceGrid(element_confidences) {
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        const grid = document.getElementById('confidence-grid');
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            { key: 'chapter', label: 'Chapter' },
            { key: 'heading', label: 'Heading' },
            { key: 'subheading', label: 'Subheading' },
            { key: 'additional_subheading', label: 'Additional' },
            { key: 'statistical_suffix', label: 'Statistical' }
        ];

        order.forEach(item => {
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            const isLow = conf.score < 0.6;
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            card.innerHTML = `
                <div class="label">${item.label}</div>
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        if (role === 'assistant' && typeof window.marked !== 'undefined') {
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            div.textContent = text;
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        chatMessages.appendChild(div);
        chatMessages.scrollTop = chatMessages.scrollHeight;

        if (window.currentEscalationContext) {
            window.currentEscalationContext.chat_history.push({ role, content: text });
        }
    }
});