diff --git a/aa-graph_viewer.h b/aa-graph_viewer.h
deleted file mode 100644
index 804236c..0000000
--- a/aa-graph_viewer.h
+++ /dev/null
@@ -1,919 +0,0 @@
-#ifndef GRAPH_VIEWER_H
-#define GRAPH_VIEWER_H
-
-const char graph_viewer_html PROGMEM = R"rawliteral(
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>CAN Signal Graph Viewer - Real-time</title>
-    <style>
-        * { margin: 0; padding: 0; box-sizing: border-box; }
-        body {
-            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
-            background: #1a1a1a;
-            color: white;
-            overflow-x: hidden;
-        }
-        .header {
-            background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
-            padding: 15px 20px;
-            text-align: center;
-            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
-        }
-        .header h1 { 
-            font-size: 1.5em; 
-            margin-bottom: 5px;
-        }
-        .header p { 
-            font-size: 0.9em; 
-            opacity: 0.9; 
-        }
-        .header-stats {
-            display: flex;
-            justify-content: center;
-            gap: 20px;
-            margin-top: 10px;
-            font-size: 0.85em;
-        }
-        .header-stat {
-            display: flex;
-            flex-direction: column;
-            align-items: center;
-        }
-        .header-stat-label {
-            opacity: 0.8;
-            font-size: 0.9em;
-        }
-        .header-stat-value {
-            font-size: 1.2em;
-            font-weight: 700;
-            font-family: 'Courier New', monospace;
-        }
-        
-        .controls {
-            background: #2a2a2a;
-            padding: 12px 15px;
-            display: flex;
-            gap: 12px;
-            justify-content: center;
-            flex-wrap: wrap;
-            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
-            border-bottom: 2px solid #3a3a3a;
-        }
-        .control-group {
-            display: flex;
-            gap: 8px;
-            align-items: center;
-            background: #333;
-            padding: 5px 10px;
-            border-radius: 5px;
-        }
-        .control-label {
-            font-size: 0.85em;
-            color: #aaa;
-            white-space: nowrap;
-        }
-        .btn {
-            padding: 8px 16px;
-            border: none;
-            border-radius: 5px;
-            font-size: 0.85em;
-            font-weight: 600;
-            cursor: pointer;
-            transition: all 0.3s;
-            white-space: nowrap;
-        }
-        .btn-success { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); color: white; }
-        .btn-danger { background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%); color: white; }
-        .btn-info { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; }
-        .btn-warning { background: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%); color: white; }
-        .btn-secondary { background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%); color: white; }
-        .btn:hover { 
-            transform: translateY(-2px); 
-            box-shadow: 0 5px 15px rgba(0,0,0,0.3); 
-        }
-        .btn.active { 
-            box-shadow: inset 0 3px 5px rgba(0,0,0,0.3);
-            transform: translateY(0);
-        }
-        
-        .stats-bar {
-            padding: 12px 15px;
-            background: #2a2a2a;
-            color: #aaa;
-            font-size: 0.85em;
-            display: flex;
-            justify-content: space-between;
-            align-items: center;
-            flex-wrap: wrap;
-            gap: 15px;
-            border-bottom: 1px solid #3a3a3a;
-        }
-        .stat-item {
-            display: flex;
-            align-items: center;
-            gap: 8px;
-        }
-        .stat-label {
-            opacity: 0.7;
-        }
-        .stat-value {
-            color: #43cea2;
-            font-weight: 700;
-            font-family: 'Courier New', monospace;
-        }
-        
-        .graphs {
-            padding: 15px;
-            display: grid;
-            grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
-            gap: 15px;
-            max-height: calc(100vh - 280px);
-            overflow-y: auto;
-        }
-        .graph-container {
-            background: #2a2a2a;
-            padding: 15px;
-            border-radius: 10px;
-            border: 2px solid #3a3a3a;
-            transition: all 0.3s;
-        }
-        .graph-container:hover {
-            border-color: #43cea2;
-            box-shadow: 0 4px 12px rgba(67, 206, 162, 0.2);
-        }
-        .graph-header {
-            display: flex;
-            justify-content: space-between;
-            align-items: flex-start;
-            margin-bottom: 10px;
-            padding-bottom: 8px;
-            border-bottom: 2px solid #43cea2;
-            gap: 10px;
-        }
-        .graph-title-container {
-            flex: 1;
-            min-width: 0;
-        }
-        .graph-title {
-            font-size: 1em;
-            font-weight: 600;
-            color: #43cea2;
-            margin-bottom: 3px;
-            word-wrap: break-word;
-        }
-        .graph-subtitle {
-            font-size: 0.75em;
-            color: #777;
-            font-family: 'Courier New', monospace;
-        }
-        .graph-value-container {
-            text-align: right;
-            min-width: 100px;
-        }
-        .graph-value {
-            font-size: 1.3em;
-            font-weight: 700;
-            color: #38ef7d;
-            font-family: 'Courier New', monospace;
-            white-space: nowrap;
-        }
-        .graph-value-text {
-            font-size: 0.8em;
-            color: #aaa;
-            margin-top: 2px;
-        }
-        canvas {
-            width: 100%;
-            height: 250px;
-            border: 1px solid #3a3a3a;
-            border-radius: 5px;
-            background: #1a1a1a;
-        }
-        .status {
-            position: fixed;
-            top: 10px;
-            right: 10px;
-            padding: 10px 15px;
-            border-radius: 5px;
-            background: #2a2a2a;
-            border: 2px solid #43cea2;
-            font-size: 0.9em;
-            z-index: 1000;
-            font-weight: 600;
-        }
-        .status.disconnected {
-            border-color: #eb3349;
-            background: #3a2a2a;
-            animation: pulse 2s ease-in-out infinite;
-        }
-        @keyframes pulse {
-            0%, 100% { opacity: 1; }
-            50% { opacity: 0.7; }
-        }
-        
-        .no-signals {
-            text-align: center;
-            padding: 60px 20px;
-            color: #666;
-        }
-        .no-signals-icon {
-            font-size: 4em;
-            margin-bottom: 20px;
-            opacity: 0.5;
-        }
-        
-        @media (max-width: 768px) {
-            .graphs { 
-                grid-template-columns: 1fr; 
-                max-height: none;
-            }
-            canvas { height: 200px; }
-            .controls {
-                gap: 8px;
-            }
-            .control-group {
-                width: 100%;
-                justify-content: center;
-            }
-            .stats-bar {
-                flex-direction: column;
-                align-items: flex-start;
-            }
-        }
-    </style>
-</head>
-<body>
-    <div class="header">
-        <h1>📊 Real-time CAN Signal Graphs</h1>
-        <p>Scatter Plot Mode - Viewing <strong id="graph-count">0</strong> signals</p>
-        <div class="header-stats">
-            <div class="header-stat">
-                <div class="header-stat-label">Recording Time</div>
-                <div class="header-stat-value" id="recording-time">0s</div>
-            </div>
-            <div class="header-stat">
-                <div class="header-stat-label">Messages Received</div>
-                <div class="header-stat-value" id="msg-received">0</div>
-            </div>
-            <div class="header-stat">
-                <div class="header-stat-label">Data Points</div>
-                <div class="header-stat-value" id="data-point-count">0</div>
-            </div>
-        </div>
-    </div>
-    
-    <div class="controls">
-        <div class="control-group">
-            <button class="btn btn-success" onclick="startGraphing()">▶️ Start</button>
-            <button class="btn btn-danger" onclick="stopGraphing()">⏸️ Pause</button>
-        </div>
-        <div class="control-group">
-            <span class="control-label">X-Axis:</span>
-            <button class="btn btn-info active" id="btn-index-mode" onclick="setScaleMode('index')">Index</button>
-            <button class="btn btn-info" id="btn-time-mode" onclick="setScaleMode('time')">Time</button>
-        </div>
-        <div class="control-group">
-            <span class="control-label">Range:</span>
-            <button class="btn btn-warning active" id="btn-range-10s" onclick="setRangeMode('10s')">10s</button>
-            <button class="btn btn-warning" id="btn-range-all" onclick="setRangeMode('all')">All</button>
-        </div>
-        <div class="control-group">
-            <span class="control-label">Sort:</span>
-            <button class="btn btn-info active" id="btn-sort-selection" onclick="setSortMode('selection')">Selection</button>
-            <button class="btn btn-info" id="btn-sort-name-asc" onclick="setSortMode('name-asc')">A→Z</button>
-            <button class="btn btn-info" id="btn-sort-name-desc" onclick="setSortMode('name-desc')">Z→A</button>
-        </div>
-        <div class="control-group">
-            <button class="btn btn-success" onclick="downloadCSV()">📥 CSV</button>
-            <button class="btn btn-danger" onclick="clearData()">🗑️ Clear</button>
-            <button class="btn btn-secondary" onclick="window.close()">✖️ Close</button>
-        </div>
-    </div>
-    
-    <div class="status" id="status">Connecting...</div>
-    
-    <div class="graphs" id="graphs"></div>
-    
-    <script>
-        let ws;
-        let charts = {};
-        let graphing = false;
-        let startTime = 0;
-        let selectedSignals = [];
-        let dbcData = {};
-        let lastTimestamps = {};
-        let sortMode = 'selection';
-        const MAX_DATA_POINTS = 60;
-        let scaleMode = 'index';
-        let rangeMode = '10s';
-        let totalMsgReceived = 0;
-        let lastCanCounts = {};
-        let updateInterval = null;
-        
-        const COLORS = [
-            {line: '#FF6384', fill: 'rgba(255, 99, 132, 0.2)'},
-            {line: '#36A2EB', fill: 'rgba(54, 162, 235, 0.2)'},
-            {line: '#FFCE56', fill: 'rgba(255, 206, 86, 0.2)'},
-            {line: '#4BC0C0', fill: 'rgba(75, 192, 192, 0.2)'},
-            {line: '#9966FF', fill: 'rgba(153, 102, 255, 0.2)'},
-            {line: '#FF9F40', fill: 'rgba(255, 159, 64, 0.2)'},
-            {line: '#E74C3C', fill: 'rgba(231, 76, 60, 0.2)'},
-            {line: '#3498DB', fill: 'rgba(52, 152, 219, 0.2)'},
-            {line: '#2ECC71', fill: 'rgba(46, 204, 113, 0.2)'},
-            {line: '#F39C12', fill: 'rgba(243, 156, 18, 0.2)'},
-            {line: '#9B59B6', fill: 'rgba(155, 89, 182, 0.2)'},
-            {line: '#1ABC9C', fill: 'rgba(26, 188, 156, 0.2)'},
-            {line: '#E67E22', fill: 'rgba(230, 126, 34, 0.2)'},
-            {line: '#95A5A6', fill: 'rgba(149, 165, 166, 0.2)'},
-            {line: '#34495E', fill: 'rgba(52, 73, 94, 0.2)'},
-            {line: '#16A085', fill: 'rgba(22, 160, 133, 0.2)'},
-            {line: '#27AE60', fill: 'rgba(39, 174, 96, 0.2)'},
-            {line: '#2980B9', fill: 'rgba(41, 128, 185, 0.2)'},
-            {line: '#8E44AD', fill: 'rgba(142, 68, 173, 0.2)'},
-            {line: '#C0392B', fill: 'rgba(192, 57, 43, 0.2)'}
-        ];
-        
-        class SimpleChart {
-            constructor(canvas, signal, colorIndex) {
-                this.canvas = canvas;
-                this.ctx = canvas.getContext('2d');
-                this.signal = signal;
-                this.data = [];
-                this.times = [];
-                this.labels = [];
-                this.rawValues = [];
-                this.colors = COLORS[colorIndex % COLORS.length];
-                this.currentValue = 0;
-                this.currentText = '';
-                
-                this.resizeCanvas();
-                window.addEventListener('resize', () => this.resizeCanvas());
-            }
-            
-            resizeCanvas() {
-                const rect = this.canvas.getBoundingClientRect();
-                this.canvas.width = rect.width * window.devicePixelRatio;
-                this.canvas.height = rect.height * window.devicePixelRatio;
-                this.ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
-                this.width = rect.width;
-                this.height = rect.height;
-                this.draw();
-            }
-            
-            addData(value, time) {
-                this.data.push(value);
-                this.times.push(parseFloat(time));
-                this.labels.push(time);
-                this.rawValues.push(value);
-                this.currentValue = value;
-                
-                if (this.signal.valueTable && this.signal.valueTable[value] !== undefined) {
-                    this.currentText = this.signal.valueTable[value];
-                } else {
-                    this.currentText = '';
-                }
-                
-                if (scaleMode === 'index' && this.data.length > MAX_DATA_POINTS) {
-                    this.data.shift();
-                    this.times.shift();
-                    this.labels.shift();
-                    this.rawValues.shift();
-                }
-                
-                this.draw();
-            }
-            
-            getValueText(value) {
-                if (this.signal.valueTable && this.signal.valueTable[value] !== undefined) {
-                    return this.signal.valueTable[value];
-                }
-                return value.toFixed(2);
-            }
-            
-            draw() {
-                if (this.data.length === 0) return;
-                
-                const ctx = this.ctx;
-                const padding = 50;
-                const graphWidth = this.width - padding * 2;
-                const graphHeight = this.height - padding * 2;
-                
-                ctx.clearRect(0, 0, this.width, this.height);
-                
-                let displayData = [];
-                let displayTimes = [];
-                let displayLabels = [];
-                
-                if (rangeMode === '10s') {
-                    const currentTime = this.times[this.times.length - 1];
-                    for (let i = 0; i < this.times.length; i++) {
-                        if (currentTime - this.times[i] <= 10) {
-                            displayData.push(this.data[i]);
-                            displayTimes.push(this.times[i]);
-                            displayLabels.push(this.labels[i]);
-                        }
-                    }
-                } else {
-                    displayData = [...this.data];
-                    displayTimes = [...this.times];
-                    displayLabels = [...this.labels];
-                }
-                
-                if (displayData.length === 0) return;
-                
-                const minValue = Math.min(...displayData);
-                const maxValue = Math.max(...displayData);
-                const range = maxValue - minValue || 1;
-                
-                let minTime, maxTime, timeRange;
-                if (scaleMode === 'time') {
-                    minTime = displayTimes[0];
-                    maxTime = displayTimes[displayTimes.length - 1];
-                    timeRange = maxTime - minTime || 1;
-                }
-                
-                // 축 그리기
-                ctx.strokeStyle = '#444';
-                ctx.lineWidth = 1;
-                ctx.beginPath();
-                ctx.moveTo(padding, padding);
-                ctx.lineTo(padding, this.height - padding);
-                ctx.lineTo(this.width - padding, this.height - padding);
-                ctx.stroke();
-                
-                // Y축 레이블
-                ctx.fillStyle = '#aaa';
-                ctx.font = '11px Arial';
-                ctx.textAlign = 'right';
-                
-                if (this.signal.valueTable) {
-                    const uniqueValues = [...new Set(displayData)].sort((a, b) => a - b);
-                    if (uniqueValues.length <= 6) {
-                        uniqueValues.forEach((val) => {
-                            const y = this.height - padding - ((val - minValue) / range) * graphHeight;
-                            const text = this.getValueText(val);
-                            ctx.fillText(text, padding - 5, y + 5);
-                        });
-                    } else {
-                        ctx.fillText(this.getValueText(maxValue), padding - 5, padding + 5);
-                        ctx.fillText(this.getValueText(minValue), padding - 5, this.height - padding);
-                    }
-                } else {
-                    ctx.fillText(maxValue.toFixed(2), padding - 5, padding + 5);
-                    ctx.fillText(minValue.toFixed(2), padding - 5, this.height - padding);
-                }
-                
-                // X축 레이블
-                ctx.textAlign = 'center';
-                if (displayLabels.length > 0) {
-                    ctx.fillText(displayLabels[0] + 's', padding, this.height - padding + 15);
-                    if (displayLabels.length > 1) {
-                        const lastIdx = displayLabels.length - 1;
-                        let xPos = scaleMode === 'time' ? this.width - padding : 
-                                   padding + (graphWidth / (MAX_DATA_POINTS - 1)) * Math.min(lastIdx, MAX_DATA_POINTS - 1);
-                        ctx.fillText(displayLabels[lastIdx] + 's', xPos, this.height - padding + 15);
-                    }
-                }
-                ctx.fillText('Time (sec)', this.width / 2, this.height - 5);
-                
-                // 그리드
-                ctx.strokeStyle = '#333';
-                ctx.lineWidth = 1;
-                for (let i = 1; i < 5; i++) {
-                    const y = padding + (graphHeight / 5) * i;
-                    ctx.beginPath();
-                    ctx.moveTo(padding, y);
-                    ctx.lineTo(this.width - padding, y);
-                    ctx.stroke();
-                }
-                
-                // 데이터 포인트 (Scatter)
-                ctx.fillStyle = this.colors.line;
-                for (let i = 0; i < displayData.length; i++) {
-                    let x = scaleMode === 'time' ? 
-                        padding + graphWidth * ((displayTimes[i] - minTime) / timeRange) :
-                        padding + (graphWidth / (MAX_DATA_POINTS - 1)) * i;
-                    
-                    const y = this.height - padding - ((displayData[i] - minValue) / range) * graphHeight;
-                    
-                    ctx.beginPath();
-                    ctx.arc(x, y, 5, 0, Math.PI * 2);
-                    ctx.fill();
-                    
-                    ctx.strokeStyle = '#fff';
-                    ctx.lineWidth = 1;
-                    ctx.stroke();
-                }
-            }
-        }
-        
-        function initWebSocket() {
-            ws = new WebSocket('ws://' + window.location.hostname + ':81');
-            
-            ws.onopen = function() {
-                console.log('✓ WebSocket connected');
-                updateStatus('Connected', false);
-            };
-            
-            ws.onclose = function() {
-                console.log('✗ WebSocket disconnected');
-                updateStatus('Disconnected - Reconnecting...', true);
-                setTimeout(initWebSocket, 3000);
-            };
-            
-            ws.onmessage = function(event) {
-                try {
-                    const data = JSON.parse(event.data);
-                    
-                    if (graphing && data.type === 'update') {
-                        if (data.messages && data.messages.length > 0) {
-                            processCANMessages(data.messages);
-                        }
-                    }
-                } catch(e) {
-                    console.error('Parse error:', e);
-                }
-            };
-        }
-        
-        function updateStatus(text, isError) {
-            const status = document.getElementById('status');
-            status.textContent = text;
-            status.className = 'status' + (isError ? ' disconnected' : '');
-        }
-        
-        function loadData() {
-            try {
-                const signals = localStorage.getItem('selected_signals');
-                const dbc = localStorage.getItem('dbc_content');
-                const savedSortMode = localStorage.getItem('sort_mode');
-                
-                if (!signals || !dbc) {
-                    alert('⚠️ No signals selected. Please select signals in Graph Setup page first.');
-                    window.close();
-                    return false;
-                }
-                
-                if (savedSortMode) sortMode = savedSortMode;
-                
-                selectedSignals = JSON.parse(signals);
-                
-                dbcData = { messages: {} };
-                selectedSignals.forEach(sig => {
-                    if (!dbcData.messages[sig.messageId]) {
-                        dbcData.messages[sig.messageId] = {
-                            id: sig.messageId,
-                            signals: []
-                        };
-                    }
-                    dbcData.messages[sig.messageId].signals.push(sig);
-                });
-                
-                console.log('✓ Loaded ' + selectedSignals.length + ' signals');
-                return true;
-            } catch(e) {
-                console.error('✗ Failed to load data:', e);
-                alert('Failed to load signal data');
-                window.close();
-                return false;
-            }
-        }
-        
-        function sortSignalsForDisplay() {
-            if (sortMode === 'name-asc') {
-                return [...selectedSignals].sort((a, b) => a.name.localeCompare(b.name));
-            } else if (sortMode === 'name-desc') {
-                return [...selectedSignals].sort((a, b) => b.name.localeCompare(a.name));
-            }
-            return selectedSignals;
-        }
-        
-        function setSortMode(mode) {
-            sortMode = mode;
-            
-            document.querySelectorAll('[id^="btn-sort-"]').forEach(btn => btn.classList.remove('active'));
-            document.getElementById('btn-sort-' + mode).classList.add('active');
-            
-            createGraphs();
-            console.log('Sort mode: ' + mode);
-        }
-        
-        function createGraphs() {
-            const graphsDiv = document.getElementById('graphs');
-            graphsDiv.innerHTML = '';
-            charts = {};
-            
-            const sortedSignals = sortSignalsForDisplay();
-            
-            if (sortedSignals.length === 0) {
-                graphsDiv.innerHTML = 
-                    '<div class="no-signals">' +
-                    '<div class="no-signals-icon">📊</div>' +
-                    '<div style="font-size: 1.2em; margin-bottom: 10px;"><strong>No Signals Selected</strong></div>' +
-                    '<div style="color: #777;">Please select signals in the Graph Setup page</div>' +
-                    '</div>';
-                return;
-            }
-            
-            sortedSignals.forEach((signal, index) => {
-                const container = document.createElement('div');
-                container.className = 'graph-container';
-                
-                const canvas = document.createElement('canvas');
-                canvas.id = 'chart-' + index;
-                
-                const canIdHex = '0x' + signal.messageId.toString(16).toUpperCase().padStart(3, '0');
-                const subtitle = canIdHex + ' | ' + signal.messageName + ' | Bit: ' + signal.startBit + '|' + signal.bitLength;
-                
-                container.innerHTML = 
-                    '<div class="graph-header">' +
-                        '<div class="graph-title-container">' +
-                            '<div class="graph-title">' + signal.name + 
-                            (signal.unit ? ' [' + signal.unit + ']' : '') + '</div>' +
-                            '<div class="graph-subtitle">' + subtitle + '</div>' +
-                        '</div>' +
-                        '<div class="graph-value-container">' +
-                            '<div class="graph-value" id="value-' + index + '">-</div>' +
-                            '<div class="graph-value-text" id="text-' + index + '"></div>' +
-                        '</div>' +
-                    '</div>';
-                
-                container.appendChild(canvas);
-                graphsDiv.appendChild(container);
-                
-                charts[index] = new SimpleChart(canvas, signal, index);
-            });
-            
-            document.getElementById('graph-count').textContent = sortedSignals.length;
-        }
-        
-        function startGraphing() {
-            if (!graphing) {
-                graphing = true;
-                startTime = Date.now();
-                lastTimestamps = {};
-                lastCanCounts = {};
-                updateStatus('Recording...', false);
-                console.log('✓ Started graphing');
-                
-                // 통계 업데이트 시작 (1초마다)
-                if (updateInterval) clearInterval(updateInterval);
-                updateInterval = setInterval(updateStatistics, 1000);
-            }
-        }
-        
-        function stopGraphing() {
-            graphing = false;
-            if (updateInterval) {
-                clearInterval(updateInterval);
-                updateInterval = null;
-            }
-            updateStatus('Paused', false);
-            console.log('⏸️ Paused graphing');
-        }
-        
-        function setScaleMode(mode) {
-            scaleMode = mode;
-            
-            document.getElementById('btn-index-mode').classList.toggle('active', mode === 'index');
-            document.getElementById('btn-time-mode').classList.toggle('active', mode === 'time');
-            
-            Object.values(charts).forEach(chart => chart.draw());
-            console.log('Scale mode: ' + mode);
-        }
-        
-        function setRangeMode(mode) {
-            rangeMode = mode;
-            
-            document.getElementById('btn-range-10s').classList.toggle('active', mode === '10s');
-            document.getElementById('btn-range-all').classList.toggle('active', mode === 'all');
-            
-            Object.values(charts).forEach(chart => chart.draw());
-            console.log('Range mode: ' + mode);
-        }
-        
-        function processCANMessages(messages) {
-            const elapsedTime = ((Date.now() - startTime) / 1000).toFixed(1);
-            const sortedSignals = sortSignalsForDisplay();
-            let processedCount = 0;
-            
-            messages.forEach(canMsg => {
-                let msgId = canMsg.id;
-                if (typeof msgId === 'string') {
-                    msgId = parseInt(msgId.replace('0x', ''), 16);
-                }
-                
-                if (msgId & 0x80000000) {
-                    msgId = msgId & 0x1FFFFFFF;
-                }
-                
-                const prevCount = lastCanCounts[msgId] || 0;
-                const currentCount = canMsg.count || 0;
-                
-                if (currentCount <= prevCount) return;
-                
-                lastCanCounts[msgId] = currentCount;
-                totalMsgReceived++;
-                
-                let hexData = '';
-                if (Array.isArray(canMsg.data)) {
-                    hexData = canMsg.data.map(b => b.toString(16).padStart(2, '0')).join('');
-                } else if (typeof canMsg.data === 'string') {
-                    hexData = canMsg.data.replace(/\s/g, '');
-                }
-                
-                sortedSignals.forEach((signal, index) => {
-                    if (signal.messageId === msgId && charts[index]) {
-                        try {
-                            const value = decodeSignalFromHex(signal, hexData);
-                            charts[index].addData(value, elapsedTime);
-                            
-                            const valueDiv = document.getElementById('value-' + index);
-                            const textDiv = document.getElementById('text-' + index);
-                            
-                            if (valueDiv) {
-                                if (signal.valueTable && signal.valueTable[value] !== undefined) {
-                                    valueDiv.textContent = value.toFixed(0);
-                                    if (textDiv) {
-                                        textDiv.textContent = signal.valueTable[value];
-                                    }
-                                } else {
-                                    valueDiv.textContent = value.toFixed(2) + (signal.unit ? ' ' + signal.unit : '');
-                                    if (textDiv) {
-                                        textDiv.textContent = '';
-                                    }
-                                }
-                            }
-                            
-                            processedCount++;
-                        } catch(e) {
-                            console.error('Decode error (' + signal.name + '):', e);
-                        }
-                    }
-                });
-            });
-        }
-        
-        function updateStatistics() {
-            let totalDataPoints = 0;
-            Object.values(charts).forEach(chart => {
-                totalDataPoints += chart.data.length;
-            });
-            
-            document.getElementById('data-point-count').textContent = totalDataPoints;
-            document.getElementById('msg-received').textContent = totalMsgReceived;
-            
-            const recordingTime = ((Date.now() - startTime) / 1000).toFixed(1);
-            document.getElementById('recording-time').textContent = recordingTime + 's';
-        }
-        
-        function decodeSignalFromHex(signal, hexData) {
-            const bytes = [];
-            const cleanHex = hexData.toUpperCase();
-            for (let i = 0; i < cleanHex.length && i < 16; i += 2) {
-                bytes.push(parseInt(cleanHex.substring(i, i + 2), 16));
-            }
-            while (bytes.length < 8) bytes.push(0);
-            
-            return decodeSignalFromBytes(signal, bytes);
-        }
-        
-        function decodeSignalFromBytes(signal, bytes) {
-            let rawValue = 0;
-            
-            if (signal.byteOrder === 'intel') {
-                for (let i = 0; i < signal.bitLength; i++) {
-                    const bitPos = signal.startBit + i;
-                    const byteIdx = Math.floor(bitPos / 8);
-                    const bitIdx = bitPos % 8;
-                    
-                    if (byteIdx < bytes.length) {
-                        const bit = (bytes[byteIdx] >> bitIdx) & 1;
-                        rawValue |= (bit << i);
-                    }
-                }
-            } else {
-                for (let i = 0; i < signal.bitLength; i++) {
-                    const bitPos = signal.startBit - i;
-                    const byteIdx = Math.floor(bitPos / 8);
-                    const bitIdx = 7 - (bitPos % 8);
-                    
-                    if (byteIdx < bytes.length && byteIdx >= 0) {
-                        const bit = (bytes[byteIdx] >> bitIdx) & 1;
-                        rawValue |= (bit << (signal.bitLength - 1 - i));
-                    }
-                }
-            }
-            
-            if (signal.signed && (rawValue & (1 << (signal.bitLength - 1)))) {
-                rawValue -= (1 << signal.bitLength);
-            }
-            
-            return rawValue * signal.factor + signal.offset;
-        }
-        
-        function downloadCSV() {
-            if (Object.keys(charts).length === 0) {
-                alert('⚠️ No data to download!');
-                return;
-            }
-            
-            let csvContent = 'Time(s)';
-            const sortedSignals = sortSignalsForDisplay();
-            
-            sortedSignals.forEach(signal => {
-                const unit = signal.unit ? ' [' + signal.unit + ']' : '';
-                csvContent += ',' + signal.name + unit;
-                
-                if (signal.valueTable) {
-                    csvContent += ',' + signal.name + '_Text';
-                }
-            });
-            csvContent += '\n';
-            
-            let maxLength = 0;
-            Object.values(charts).forEach(chart => {
-                if (chart.labels.length > maxLength) {
-                    maxLength = chart.labels.length;
-                }
-            });
-            
-            for (let i = 0; i < maxLength; i++) {
-                let row = '';
-                let timeValue = '';
-                
-                sortedSignals.forEach((signal, index) => {
-                    const chart = charts[index];
-                    if (chart && chart.labels[i] !== undefined) {
-                        if (timeValue === '') timeValue = chart.labels[i];
-                        const value = chart.data[i];
-                        row += ',' + value.toFixed(6);
-                        
-                        if (signal.valueTable) {
-                            const text = signal.valueTable[value] !== undefined ? 
-                                        signal.valueTable[value] : '';
-                            row += ',"' + text + '"';
-                        }
-                    } else {
-                        row += ',';
-                        if (signal.valueTable) row += ',';
-                    }
-                });
-                
-                if (timeValue !== '') {
-                    csvContent += timeValue + row + '\n';
-                }
-            }
-            
-            const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' });
-            const link = document.createElement('a');
-            const url = URL.createObjectURL(blob);
-            
-            const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, -5);
-            link.setAttribute('href', url);
-            link.setAttribute('download', 'can_signals_' + timestamp + '.csv');
-            link.style.visibility = 'hidden';
-            
-            document.body.appendChild(link);
-            link.click();
-            document.body.removeChild(link);
-            
-            console.log('✓ CSV downloaded: ' + maxLength + ' points');
-        }
-        
-        function clearData() {
-            if (!confirm('⚠️ Clear all recorded data? This cannot be undone.')) return;
-            
-            Object.values(charts).forEach(chart => {
-                chart.data = [];
-                chart.times = [];
-                chart.labels = [];
-                chart.rawValues = [];
-                chart.currentValue = 0;
-                chart.currentText = '';
-                chart.draw();
-            });
-            
-            lastTimestamps = {};
-            lastCanCounts = {};
-            startTime = Date.now();
-            totalMsgReceived = 0;
-            
-            updateStatistics();
-            console.log('✓ Data cleared');
-        }
-        
-        if (loadData()) {
-            createGraphs();
-            initWebSocket();
-            startGraphing();
-        }
-    </script>
-</body>
-</html>
-)rawliteral";
-
-#endif
