refactor: UX 輸入欄位優化！透過 HTML5 <datalist> 結合背景非同步抓取，保留原本純文字輸入的彈性（支援模糊搜尋與手動輸入）

- CM 一鍵診斷中心：整合基礎狀態、PHY 射頻指標與 OFDM MER 頻譜。引入 Chart.js 將 ASCII 報表轉化為紅黃綠狀態圖與長條圖。

all_code.txt

@@ -1,5 +1,5 @@
 ================================================================================
-PROJECT SOURCE CODE EXPORT
+PROJECT SOURCE CODE EXPORT (FULL)
 ================================================================================
 
 
@@ -680,6 +680,7 @@ FILE: index.html
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/xterm@5.3.0/css/xterm.css" />
     <script src="https://cdn.jsdelivr.net/npm/xterm@5.3.0/lib/xterm.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/xterm-addon-fit@0.8.0/lib/xterm-addon-fit.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
     
     <!-- 引入獨立的 CSS 樣式表 -->
     <link rel="stylesheet" href="/static/style.css" />
@@ -740,6 +741,7 @@ FILE: index.html
                 <select id="queryTask" onchange="switchQueryTask()" style="width: 400px; max-width: 100%; font-weight: bold; font-size: 15px; padding: 8px; background-color: #f8f9fa;">
                     <option value="form-cm-query">🔎 Cable 狀態綜合查詢</option>
                     <option value="form-rpd-query">📡 RPD 狀態綜合查詢</option>
+                    <option value="form-cm-diagnostics">🩺 CM 一鍵診斷中心</option>
                 </select>
             </div>
 
@@ -749,7 +751,8 @@ FILE: index.html
                 <div class="form-grid">
                     <div class="form-row">
                         <label>目標設備 (Cable Modem MAC)</label>
-                        <input type="text" id="queryTargetCm" placeholder="例: 6467.7240.4076 (留白則查詢全體)">
+                        <input type="text" id="queryTargetCm" list="cm-mac-list" placeholder="例: 6467.7240.4076 (留白則查詢全體)">
+                        <datalist id="cm-mac-list"></datalist>
                     </div>
                     <div class="form-row">
                         <label>查詢動作 (Action)</label>
@@ -798,7 +801,8 @@ FILE: index.html
                 <div class="form-grid">
                     <div class="form-row">
                         <label>目標設備 (RPD VC:VS)</label>
-                        <input type="text" id="queryTargetRpd" placeholder="例: 13:0 (留白則查詢全體)">
+                        <input type="text" id="queryTargetRpd" list="rpd-vcvs-list" placeholder="例: 13:0 (留白則查詢全體)">
+                        <datalist id="rpd-vcvs-list"></datalist>
                     </div>
                     <div class="form-row">
                         <label>查詢動作 (Action)</label>
@@ -826,6 +830,75 @@ FILE: index.html
                     </div>
                 </div>
             </div>
+
+            <!-- 表單 3：CM 一鍵診斷中心 -->
+            <div id="form-cm-diagnostics" class="task-form">
+                <h3 style="margin-top: 0; font-size: 18px; color: #9b59b6; border-bottom: 2px solid #ecf0f1; padding-bottom: 10px; margin-bottom: 20px;">CM 深度診斷與 MER 分析</h3>
+    
+                <!-- 搜尋區塊 -->
+                <div class="control-group" style="background: #fdfefe; padding: 15px; border-radius: 6px; border: 1px solid #e8daef; margin-bottom: 20px;">
+                    <label style="font-weight: bold; color: #2c3e50; font-size: 15px;">🎯 目標 CM MAC：</label>
+                    <input type="text" id="diagMacInput" list="diag-cm-mac-list" placeholder="例如: 6467.7240.4076" style="width: 200px; padding: 6px 8px; font-size: 14px; margin: 0 10px; border: 1px solid #bdc3c7; border-radius: 4px;">
+                    <datalist id="diag-cm-mac-list"></datalist>
+                    <button onclick="runCmDiagnostics()" id="btnRunDiag" class="btn-modern btn-scan" style="background-color: #8e44ad;">🚀 執行深度診斷</button>
+                    <span id="diagStatusMsg" style="margin-left: 15px; font-weight: bold; color: #f39c12; display: none;">⏳ 正在透過 SSH 採集設備數據...</span>
+                </div>
+
+                <!-- 結果顯示區塊 (預設隱藏) -->
+                <div id="diagResultArea" style="display: none; gap: 20px; flex-direction: column;">
+                    
+                    <!-- 上半部：基本資訊與 PHY 狀態 -->
+                    <div style="display: flex; gap: 20px; flex-wrap: wrap;">
+                        <!-- 基本資訊卡片 -->
+                        <div style="flex: 1; min-width: 300px; background: #fff; padding: 15px 20px; border-radius: 8px; border: 1px solid #e2e8f0; border-top: 4px solid #3498db; box-shadow: 0 2px 4px rgba(0,0,0,0.02);">
+                            <h4 style="margin-top: 0; color: #2c3e50; margin-bottom: 15px;">📄 基本資訊</h4>
+                            <table style="width: 100%; text-align: left; border-collapse: collapse; font-size: 14px;">
+                                <tr style="border-bottom: 1px solid #ecf0f1;"><th style="padding: 8px 0; color: #7f8c8d; width: 40%;">MAC Address</th><td id="diagResMac" style="font-weight: bold; color: #2c3e50;">-</td></tr>
+                                <tr style="border-bottom: 1px solid #ecf0f1;"><th style="padding: 8px 0; color: #7f8c8d;">IP Address</th><td id="diagResIp" style="color: #2980b9; font-family: monospace;">-</td></tr>
+                                <tr style="border-bottom: 1px solid #ecf0f1;"><th style="padding: 8px 0; color: #7f8c8d;">State</th><td id="diagResState" style="font-weight: bold;">-</td></tr>
+                                <tr><th style="padding: 8px 0; color: #7f8c8d;">CPE Count</th><td id="diagResCpe">-</td></tr>
+                            </table>
+                        </div>
+
+                        <!-- PHY 狀態卡片 -->
+                        <div style="flex: 1; min-width: 300px; background: #fff; padding: 15px 20px; border-radius: 8px; border: 1px solid #e2e8f0; border-top: 4px solid #2ecc71; box-shadow: 0 2px 4px rgba(0,0,0,0.02);">
+                            <h4 style="margin-top: 0; color: #2c3e50; margin-bottom: 15px;">📡 TX / RX 綜合實體層狀態</h4>
+                            <table style="width: 100%; text-align: left; border-collapse: collapse; font-size: 14px;">
+                                <tr style="border-bottom: 1px solid #ecf0f1;">
+                                    <th style="padding: 8px 0; color: #7f8c8d; width: 50%;">Avg TX Power (dBmV)</th>
+                                    <td id="diagResTx" style="font-weight: bold;">-</td>
+                                </tr>
+                                <tr>
+                                    <th style="padding: 8px 0; color: #7f8c8d;">Avg RX Power (dBmV)</th>
+                                    <td id="diagResRx" style="font-weight: bold;">-</td>
+                                </tr>
+                            </table>
+                            
+                            <!-- 🌟 新增：上行通道標籤區塊 -->
+                            <div style="margin-top: 15px; padding-top: 15px; border-top: 1px dashed #bdc3c7;">
+                                <div style="color: #7f8c8d; font-size: 13px; font-weight: bold; margin-bottom: 8px;">上行通道 SNR (dB) 分布：</div>
+                                <div id="upstreamSnrContainer" style="display: flex; flex-wrap: wrap; gap: 8px;">
+                                    <!-- 動態生成標籤 -->
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <!-- 下半部：Chart.js MER 圖表 -->
+                    <div style="background: #fff; padding: 15px 20px; border-radius: 8px; border: 1px solid #e2e8f0; border-top: 4px solid #9b59b6; box-shadow: 0 2px 4px rgba(0,0,0,0.02);">
+                        <h4 style="margin-top: 0; color: #2c3e50; display: flex; flex-direction: column; gap: 10px; margin-bottom: 15px;">
+                            <span>📊 OFDM MER 分布圖 <span style="font-size: 13px; color: #7f8c8d; font-weight: normal;">(點擊頻道切換圖表，最低 MER ≥ 41dB 判定為優)</span></span>
+                            <!-- 🌟 新增：動態 OFDM 頻道切換按鈕區塊 -->
+                            <div id="ofdmChannelTabs" style="display: flex; gap: 10px; flex-wrap: wrap;">
+                                <!-- 動態生成按鈕 -->
+                            </div>
+                        </h4>
+                        <div style="position: relative; height: 280px; width: 100%;">
+                            <canvas id="merChart"></canvas>
+                        </div>
+                    </div>
+                </div>
+            </div>
          </div>
     </div> 
 
@@ -850,9 +923,8 @@ FILE: index.html
                 
                 <div class="control-group" style="background: #fdf2e9; padding: 15px; border-radius: 6px; border: 1px solid #fadbd8;">
                     <label style="font-weight: bold; color: #d35400;">1. 目標 MAC Domain：</label>
-                    <select id="cfgMacDomain" style="width: 150px; padding: 6px; font-weight: bold; border: 1px solid #fadbd8; border-radius: 4px; background-color: #fff;">
+                    <input type="text" id="cfgMacDomain" list="mac-domain-list" placeholder="請先點擊上方載入任務..." style="width: 220px; padding: 6px; font-weight: bold; border: 1px solid #fadbd8; border-radius: 4px; background-color: #fff;">
-                        <option value="">請先點擊上方載入任務...</option>
+                    <datalist id="mac-domain-list"></datalist>
-                    </select>
                     <button onclick="fetchMacDomainConfig()" class="btn-modern btn-load">🔍 讀取現有配置</button>
                     <span id="fetchStatus" style="margin-left: 10px; font-size: 14px; color: #7f8c8d;">請先讀取設備狀態...</span>
                 </div>
@@ -1712,7 +1784,7 @@ from contextlib import asynccontextmanager
 import database
 
 # 引入我們剛剛拆分出來的路由模組
-from routers import query, config, terminal, lock, leaf_options, backup
+from routers import query, config, terminal, lock, leaf_options, backup, diagnostics
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
@@ -1733,6 +1805,7 @@ app.include_router(config.router, prefix="/api/v1")
 app.include_router(leaf_options.router, prefix="/api/v1")
 app.include_router(lock.router, prefix="/api/v1")
 app.include_router(backup.router, prefix="/api/v1")
+app.include_router(diagnostics.router, prefix="/api/v1")
 
 # WebSocket 通常獨立於 API 版本之外，所以不加前綴
 app.include_router(terminal.router) 
@@ -1985,6 +2058,19 @@ export async function apiExecuteQuery(queryType, target, host, username, passwor
     return response.json();
 }
 
+// 🌟 新增：動態抓取設備清單 API
+export async function apiListCms(host, username, password) {
+    const url = `/api/v1/list-cms?host=${encodeURIComponent(host)}&username=${encodeURIComponent(username)}&password=${encodeURIComponent(password)}`;
+    const response = await fetch(url);
+    return response.json();
+}
+
+export async function apiListRpds(host, username, password) {
+    const url = `/api/v1/list-rpds?host=${encodeURIComponent(host)}&username=${encodeURIComponent(username)}&password=${encodeURIComponent(password)}`;
+    const response = await fetch(url);
+    return response.json();
+}
+
 // ==========================================
 // 6. 專門處理串流的 API 呼叫函數 (UI 可以即時更新)
 // ==========================================
@@ -2023,6 +2109,16 @@ export async function apiSyncLeafOptionsStream(host, paths, onProgress, configTy
     }
 }
 
+export async function apiGetCmDiagnostics(host, username, password, mac) {
+    const url = `/api/v1/cm-diagnostics/?host=${encodeURIComponent(host)}&username=${encodeURIComponent(username)}&password=${encodeURIComponent(password)}&mac=${encodeURIComponent(mac)}`;
+    const response = await fetch(url);
+    if (!response.ok) {
+        const err = await response.json();
+        throw new Error(err.detail || "伺服器發生錯誤");
+    }
+    return response.json();
+}
+
 
 ================================================================================
 FILE: static/app.js
@@ -2041,7 +2137,9 @@ import {
     apiGetFullConfig, apiClearCache, apiExecuteQuery, 
     apiGetTreeFilters, apiSaveTreeFilters,
     apiSyncLeafOptionsStream, apiGetCmtsVersion,
-    apiGetScanStatus, apiGetLockStatus 
+    apiGetScanStatus, apiGetLockStatus,
+    apiGetCmDiagnostics,
+    apiListCms, apiListRpds 
 } from './api.js';
 
 // 3. 共用工具模組 (Utils)
@@ -2302,12 +2400,97 @@ function switchTab(tabId, element) {
     if(tabId === 'cli-tab' && typeof fitAddon !== 'undefined' && fitAddon) setTimeout(() => fitAddon.fit(), 50);
 }
 
+// 切換「設備查詢」內的子任務表單
+// ============================================================================
+// 🌟 設備查詢動態清單快取 (新增)
+// ============================================================================
+let cachedDeviceLists = { cms: null, rpds: null, host: null };
+
 // 切換「設備查詢」內的子任務表單
 function switchQueryTask() {
     document.querySelectorAll('#query-tab .task-form').forEach(form => form.classList.remove('active'));
     const selectedTaskId = document.getElementById('queryTask').value;
     const targetForm = document.getElementById(selectedTaskId);
     if (targetForm) targetForm.classList.add('active');
+
+    // 🌟 觸發背景動態載入 Datalist
+    loadDynamicDatalist(selectedTaskId);
+}
+
+// 🌟 新增：背景載入 Datalist 邏輯
+async function loadDynamicDatalist(taskType) {
+    // 若尚未連線，則不觸發背景抓取 (不跳警告，默默 return)
+    if (!isConnected) return; 
+    
+    const host = document.getElementById('cmtsHost').value.trim();
+    const user = document.getElementById('cmtsUser').value.trim();
+    const pass = document.getElementById('cmtsPass').value.trim();
+    if (!host || !user || !pass) return;
+
+    // 若切換了設備 IP，清空舊快取
+    if (cachedDeviceLists.host !== host) {
+        cachedDeviceLists = { cms: null, rpds: null, host: host };
+    }
+
+    if (taskType === 'form-cm-query' || taskType === 'form-cm-diagnostics') {
+        const inputId = taskType === 'form-cm-query' ? 'queryTargetCm' : 'diagMacInput';
+        const listId = taskType === 'form-cm-query' ? 'cm-mac-list' : 'diag-cm-mac-list';
+        const defaultPlaceholder = taskType === 'form-cm-query' ? "例: 6467.7240.4076 (留白則查詢全體)" : "例如: 6467.7240.4076";
+        
+        await fetchAndBindList('cms', inputId, listId, defaultPlaceholder, host, user, pass);
+    } else if (taskType === 'form-rpd-query') {
+        await fetchAndBindList('rpds', 'queryTargetRpd', 'rpd-vcvs-list', "例: 13:0 (留白則查詢全體)", host, user, pass);
+    }
+}
+
+// 🌟 新增：執行 API 呼叫與 UX 狀態切換
+async function fetchAndBindList(type, inputId, listId, defaultPlaceholder, host, user, pass) {
+    const inputEl = document.getElementById(inputId);
+    const datalistEl = document.getElementById(listId);
+    if (!inputEl || !datalistEl) return;
+
+    // 如果已經有快取，直接綁定並結束
+    if (cachedDeviceLists[type]) {
+        populateDatalist(datalistEl, cachedDeviceLists[type]);
+        return;
+    }
+
+    // 狀態 1：發出請求前 (鎖定輸入框，提示載入中)
+    inputEl.disabled = true;
+    inputEl.placeholder = "🔄 載入設備清單中...";
+    inputEl.style.backgroundColor = "#fdfefe";
+
+    try {
+        let data;
+        if (type === 'cms') {
+            data = await apiListCms(host, user, pass);
+            cachedDeviceLists.cms = data.cms || [];
+        } else {
+            data = await apiListRpds(host, user, pass);
+            cachedDeviceLists.rpds = data.rpds || [];
+        }
+
+        // 狀態 2：請求成功 (塞入選項，恢復輸入框)
+        populateDatalist(datalistEl, cachedDeviceLists[type]);
+        inputEl.placeholder = defaultPlaceholder;
+    } catch (error) {
+        console.error(`[Background Task] Failed to load ${type}:`, error);
+        // 狀態 3：請求失敗 (提示失敗，但仍解鎖讓使用者手動輸入)
+        inputEl.placeholder = "⚠️ 清單載入失敗，請手動輸入";
+    } finally {
+        inputEl.disabled = false;
+        inputEl.style.backgroundColor = ""; // 恢復預設背景色
+    }
+}
+
+// 🌟 新增：將陣列轉換為 <option> 塞入 <datalist>
+function populateDatalist(datalistEl, items) {
+    datalistEl.innerHTML = '';
+    items.forEach(item => {
+        const option = document.createElement('option');
+        option.value = item;
+        datalistEl.appendChild(option);
+    });
 }
 
 // 🌟 新增一個變數來記錄上一次的樹狀圖模式
@@ -2409,6 +2592,11 @@ function toggleQueryInputs(mode) {
 function resetAllManagerData() {
     resetMacDomainData();
 
+    // 🌟 新增：清空動態下拉選單的快取，確保切換設備時重新抓取
+    if (typeof cachedDeviceLists !== 'undefined') {
+        cachedDeviceLists = { cms: null, rpds: null, host: null };
+    }
+    
     // 🧹 [修復 Leak] 清空前端樹狀圖快取，避免切換設備時發生 OOM
     clearTreeCache();
     
@@ -2432,8 +2620,13 @@ function resetAllManagerData() {
         deployBtn.disabled = true;
     }
 
-    const mdSelect = document.getElementById('cfgMacDomain');
+    const mdInput = document.getElementById('cfgMacDomain');
-    if (mdSelect) mdSelect.innerHTML = '<option value="">請先點擊上方載入任務...</option>';
+    if (mdInput) {
+        mdInput.value = '';
+        mdInput.placeholder = '請先點擊上方載入任務...';
+    }
+    const mdDatalist = document.getElementById('mac-domain-list');
+    if (mdDatalist) mdDatalist.innerHTML = '';
     
     const fetchStatus = document.getElementById('fetchStatus');
     if (fetchStatus) {
@@ -2641,6 +2834,203 @@ async function fetchFullConfig(configType = 'running') {
     }
 }
 
+// ============================================================================
+// 🌟 CM 一鍵診斷中心邏輯 (多頻道切換與紅綠燈實作)
+// ============================================================================
+let merChartInstance = null; 
+let globalMerData = {}; // 暫存所有頻道的 MER 資料供切換使用
+
+window.runCmDiagnostics = async function() {
+    const connInfo = getGlobalConnectionInfo();
+    if (!connInfo) return;
+
+    const macInput = document.getElementById('diagMacInput').value.trim();
+    if (!macInput) return alert("請輸入目標 CM 的 MAC Address！");
+
+    const btn = document.getElementById('btnRunDiag');
+    const msg = document.getElementById('diagStatusMsg');
+    const resultArea = document.getElementById('diagResultArea');
+
+    btn.disabled = true;
+    btn.style.opacity = '0.7';
+    msg.style.display = 'inline-block';
+    resultArea.style.display = 'none';
+
+    try {
+        const result = await apiGetCmDiagnostics(connInfo.host, connInfo.user, connInfo.pass, macInput);
+        
+        if (result.status === 'success') {
+            const data = result.data;
+
+            // 1. 填入基本資訊
+            document.getElementById('diagResMac').textContent = data.mac;
+            document.getElementById('diagResIp').textContent = data.ip || 'N/A';
+            document.getElementById('diagResCpe').textContent = data.cpe_count;
+            
+            const stateEl = document.getElementById('diagResState');
+            stateEl.textContent = data.state || 'N/A';
+            stateEl.style.color = (data.state && data.state.toLowerCase().includes('online')) ? '#27ae60' : '#e74c3c';
+
+            document.getElementById('diagResTx').textContent = data.phy.tx_power !== null ? data.phy.tx_power : 'N/A';
+            document.getElementById('diagResRx').textContent = data.phy.rx_power !== null ? data.phy.rx_power : 'N/A';
+
+            // 2. 渲染上行 SNR (Upstreams) 標籤群
+            const usContainer = document.getElementById('upstreamSnrContainer');
+            usContainer.innerHTML = '';
+            if (data.upstreams && data.upstreams.length > 0) {
+                data.upstreams.forEach(us => {
+                    let color = '#e74c3c'; // 預設紅 (差: < 30)
+                    if (us.snr >= 35) color = '#27ae60'; // 綠 (優: >= 35)
+                    else if (us.snr >= 30) color = '#f39c12'; // 橘 (尚可: 30~34.9)
+                    
+                    usContainer.innerHTML += `
+                        <div style="background-color: ${color}; color: white; padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: bold; box-shadow: 0 1px 3px rgba(0,0,0,0.2);">
+                            ${us.channel} : ${us.snr}
+                        </div>
+                    `;
+                });
+            } else {
+                usContainer.innerHTML = '<span style="color: #bdc3c7; font-size: 13px;">無資料</span>';
+            }
+
+            // 3. 處理 OFDM MER 頻道按鈕與圖表
+            globalMerData = data.mer_channels;
+            const tabsContainer = document.getElementById('ofdmChannelTabs');
+            tabsContainer.innerHTML = '';
+
+            const channels = Object.keys(globalMerData);
+            if (channels.length > 0) {
+                channels.forEach((ch, index) => {
+                    const chData = globalMerData[ch];
+                    // 根據後端判斷的健康度上色 (>=41綠, 38~40橘, <=37紅)
+                    let bgCol = '#bdc3c7'; // 預設灰色 (無資料)
+                    if (chData.health === 'good') bgCol = '#27ae60';
+                    else if (chData.health === 'warning') bgCol = '#f39c12';
+                    else if (chData.health === 'critical') bgCol = '#e74c3c';
+
+                    const btn = document.createElement('button');
+                    // 💡 拔除方正的 class，改用純手工膠囊樣式
+                    btn.style.boxSizing = 'border-box';
+                    btn.style.cursor = 'pointer';
+                    btn.style.backgroundColor = bgCol;
+                    btn.style.color = '#ffffff';
+                    btn.style.padding = '6px 14px';
+                    btn.style.borderRadius = '20px'; // 🌟 完美的膠囊圓角
+                    btn.style.fontSize = '12px';
+                    btn.style.fontWeight = 'bold';
+                    btn.style.boxShadow = '0 2px 4px rgba(0,0,0,0.1)';
+                    btn.style.transition = 'all 0.2s ease';
+                    
+                    // 點擊與未點擊的狀態區分 (透明度與外框)
+                    btn.style.opacity = index === 0 ? '1' : '0.5'; 
+                    btn.style.border = index === 0 ? '2px solid #2c3e50' : '2px solid transparent';
+                    
+                    // 標籤文字加入最低 MER 數值提示
+                    btn.textContent = `${ch} (Min: ${chData.min_mer} dB)`;
+                    
+                    btn.onclick = () => {
+                        // 重置所有按鈕外觀
+                        Array.from(tabsContainer.children).forEach(b => {
+                            b.style.opacity = '0.5';
+                            b.style.border = '2px solid transparent';
+                        });
+                        // 突顯當前點擊的按鈕
+                        btn.style.opacity = '1';
+                        btn.style.border = '2px solid #2c3e50';
+                        // 重新繪圖
+                        renderMerChart(ch, chData.histogram);
+                    };
+                    tabsContainer.appendChild(btn);
+                });
+                
+                // 預設渲染第一個頻道的圖表
+                renderMerChart(channels[0], globalMerData[channels[0]].histogram);
+            } else {
+                tabsContainer.innerHTML = '<span style="color: #e74c3c; font-size: 14px; font-weight: bold;">⚠️ 設備無回傳任何 OFDM 頻道 MER 數據</span>';
+                renderMerChart('無資料', {});
+            }
+
+            resultArea.style.display = 'flex';
+        }
+    } catch (error) {
+        alert(`❌ 診斷失敗: ${error.message}`);
+    } finally {
+        btn.disabled = false;
+        btn.style.opacity = '1';
+        msg.style.display = 'none';
+    }
+};
+
+function renderMerChart(channelName, histogramData) {
+    if (merChartInstance) {
+        merChartInstance.destroy();
+    }
+    const ctx = document.getElementById('merChart').getContext('2d');
+
+    if (!histogramData || Object.keys(histogramData).length === 0) {
+        merChartInstance = new Chart(ctx, {
+            type: 'bar',
+            data: { labels: ['無資料'], datasets: [{ label: 'Subcarriers', data: [0] }] },
+            options: { responsive: true, maintainAspectRatio: false, plugins: { title: { display: true, text: '無法取得 MER 數據' } } }
+        });
+        return;
+    }
+
+    const labels = Object.keys(histogramData).sort((a, b) => parseInt(a) - parseInt(b));
+    const dataPoints = labels.map(label => histogramData[label]);
+
+    merChartInstance = new Chart(ctx, {
+        type: 'bar',
+        data: {
+            labels: labels.map(l => `${l} dB`),
+            datasets: [{
+                label: 'Subcarriers 數量',
+                data: dataPoints,
+                backgroundColor: 'rgba(155, 89, 182, 0.6)', 
+                borderColor: 'rgba(142, 68, 173, 1)',
+                borderWidth: 1,
+                borderRadius: 4,
+                hoverBackgroundColor: 'rgba(155, 89, 182, 0.9)'
+            }]
+        },
+        options: {
+            responsive: true,
+            maintainAspectRatio: false,
+            scales: {
+                y: {
+                    beginAtZero: true,
+                    title: { display: true, text: 'Subcarriers 數量', font: { weight: 'bold' } },
+                    grid: { color: '#ecf0f1' }
+                },
+                x: {
+                    title: { display: true, text: 'MER (dB)', font: { weight: 'bold' } },
+                    grid: { display: false }
+                }
+            },
+            plugins: {
+                title: {
+                    display: true,
+                    text: `顯示中頻道: ${channelName}`,
+                    font: { size: 15, weight: 'bold' },
+                    color: '#2c3e50'
+                },
+                legend: { display: false },
+                tooltip: {
+                    backgroundColor: 'rgba(44, 62, 80, 0.9)',
+                    titleFont: { size: 14 },
+                    bodyFont: { size: 14 },
+                    padding: 10,
+                    callbacks: {
+                        label: function(context) {
+                            return ` ${context.raw} 個 Subcarriers`;
+                        }
+                    }
+                }
+            }
+        }
+    });
+}
+
 // ============================================================================
 // 🌟 4. 選項快取與背景掃描 (Cache & Background Scanning)
 // ============================================================================
@@ -3804,6 +4194,12 @@ export function connectWebSocket(resetCallback) {
         document.getElementById('cmtsUser').disabled = true;
         document.getElementById('cmtsPass').disabled = true;
         term.focus();
+
+        // 🌟 新增：連線成功後，自動觸發一次查詢任務的 change 事件，讓背景預載 Datalist
+        const queryTaskSelect = document.getElementById('queryTask');
+        if (queryTaskSelect) {
+            queryTaskSelect.dispatchEvent(new Event('change'));
+        }
     };
 
     ws.onmessage = (event) => {
@@ -3997,10 +4393,11 @@ button:hover { background-color: #3498db; }
 .task-form.active { display: block; animation: fadeIn 0.3s ease-in-out; }
 
 /* 網格系統：高空間利用率 */
-.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 15px; justify-content: start; }
+.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; margin-bottom: 15px; justify-content: start; }
 .form-row { display: flex; flex-direction: column; gap: 4px; }
 .form-row label { font-size: 12px; font-weight: bold; color: #34495e; }
 .form-row input[type="text"], .form-row select { width: 100%; box-sizing: border-box; padding: 6px 8px; background-color: #f8f9fa; border: 1px solid #cbd5e1; border-radius: 4px; font-size: 13px; }
+.form-row select { padding-right: 30px; text-overflow: ellipsis; } /* 🌟 確保下拉箭頭有足夠空間，不會遮擋文字 */
 .form-row input[type="text"]:focus, .form-row select:focus { outline: none; border-color: #2980b9; background-color: #fff; }
 
 /* 表單底部操作區 */
@@ -5293,34 +5690,45 @@ export async function loadMacDomainList() {
     const connInfo = getGlobalConnectionInfo();
     if (!connInfo) return;
 
-    const mdSelect = document.getElementById('cfgMacDomain');
+    const mdInput = document.getElementById('cfgMacDomain');
+    const mdDatalist = document.getElementById('mac-domain-list');
     const statusSpan = document.getElementById('fetchStatus');
 
-    mdSelect.innerHTML = '<option value="">⏳ 查詢設備中...</option>';
+    // 載入前：鎖定輸入框並更改提示
+    mdInput.disabled = true;
+    mdInput.value = '';
+    mdInput.placeholder = '⏳ 查詢設備中...';
+    if (mdDatalist) mdDatalist.innerHTML = '';
+
     statusSpan.textContent = "正在自動抓取現有 MAC Domain 清單...";
     statusSpan.style.color = "#f39c12";
 
     try {
         const result = await apiGetMacDomainList(connInfo.host, connInfo.user, connInfo.pass);
         if (result.status === 'success' && result.data.length > 0) {
-            mdSelect.innerHTML = ''; 
+            // 載入成功：將資料塞入 datalist
+            if (mdDatalist) {
                 result.data.forEach(md => {
                     const option = document.createElement('option');
                     option.value = md;
-                option.textContent = md;
+                    mdDatalist.appendChild(option);
-                mdSelect.appendChild(option);
                 });
+            }
+            mdInput.placeholder = '例: 13:0/0.0 (可下拉或輸入)';
             statusSpan.textContent = "✅ 清單抓取成功！請選擇目標並點擊讀取配置。";
             statusSpan.style.color = "#27ae60";
         } else {
-            mdSelect.innerHTML = '<option value="">❌ 找不到資料</option>';
+            mdInput.placeholder = '❌ 找不到資料';
             statusSpan.textContent = "無法解析清單，請確認設備狀態。";
             statusSpan.style.color = "#e74c3c";
         }
     } catch (error) {
-        mdSelect.innerHTML = '<option value="">❌ 連線錯誤</option>';
+        mdInput.placeholder = '❌ 連線錯誤';
         statusSpan.textContent = "連線失敗：" + error;
         statusSpan.style.color = "#e74c3c";
+    } finally {
+        // 載入結束：解鎖輸入框
+        mdInput.disabled = false;
     }
 }
 
@@ -6588,11 +6996,167 @@ async def get_lock_status(host: str = Query(None)):
     return {"status": "success", "data": {}}
 
 
+================================================================================
+FILE: routers/diagnostics.py
+================================================================================
+# --- routers/diagnostics.py ---
+import re
+import asyncssh
+import logging
+from fastapi import APIRouter, HTTPException, Query
+from typing import Dict, Any
+
+logger = logging.getLogger(__name__)
+router = APIRouter(prefix="/cm-diagnostics", tags=["Diagnostics"])
+
+@router.get("/")
+async def get_cm_diagnostics(
+    host: str = Query(...),
+    username: str = Query(...),
+    password: str = Query(...),
+    mac: str = Query(..., description="Cable Modem MAC Address")
+) -> Dict[str, Any]:
+    
+    mac = mac.strip().lower()
+    if not mac:
+        raise HTTPException(status_code=400, detail="MAC Address is required")
+
+    result_data = {
+        "mac": mac,
+        "ip": "N/A",
+        "state": "N/A",
+        "cpe_count": 0,
+        "phy": {
+            "tx_power": None,
+            "rx_power": None
+        },
+        "upstreams": [],    
+        "mer_channels": {}  
+    }
+
+    try:
+        async with asyncssh.connect(host, username=username, password=password, known_hosts=None) as conn:
+            print("\n🚀 [Diagnostics] 開始診斷 MAC: " + mac)
+
+            # ==========================================
+            # 1. 查詢基本狀態
+            # ==========================================
+            cmd_base = "show cable modem " + mac + " | nomore"
+            res_base = await conn.run(cmd_base, check=False)
+            if res_base.exit_status == 0 and res_base.stdout:
+                for line in res_base.stdout.splitlines():
+                    if mac in line.lower():
+                        tokens = line.split()
+                        for t in tokens:
+                            if re.match(r"^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$", t): 
+                                result_data["ip"] = t
+                            elif re.match(r"^[a-z]-online|online|offline|init.*|reject", t, re.IGNORECASE): 
+                                result_data["state"] = t
+                        nums = [t for t in tokens if t.isdigit()]
+                        if nums:
+                            result_data["cpe_count"] = int(nums[-1])
+                        break
+
+            # ==========================================
+            # 2. 查詢 PHY 狀態 (💡 修復：移除寫死的 us/oad 判斷，改用通用特徵)
+            # ==========================================
+            cmd_phy = "show cable modem " + mac + " phy | nomore"
+            res_phy = await conn.run(cmd_phy, check=False)
+            if res_phy.exit_status == 0 and res_phy.stdout:
+                tx_list = []
+                rx_list = []
+                for line in res_phy.stdout.splitlines():
+                    line_lower = line.lower()
+                    if mac in line_lower:
+                        tokens = line.split()
+                        if len(tokens) >= 6:
+                            ch_name = tokens[1]
+                            # 💡 只要名稱包含 ":" 和 "/"，就認定是合法的通道 (例如 Oa32, Oad32, Us32)
+                            if ":" in ch_name and "/" in ch_name:
+                                try:
+                                    snr_val = float(tokens[4])
+                                    result_data["upstreams"].append({"channel": ch_name, "snr": snr_val})
+                                except:
+                                    pass
+                            try:
+                                tx_val = float(tokens[3].split('/')[0])
+                                rx_list_val = float(tokens[5].split('/')[0])
+                                tx_list.append(tx_val)
+                                rx_list.append(rx_list_val)
+                            except:
+                                pass
+                                
+                if tx_list: result_data["phy"]["tx_power"] = round(sum(tx_list)/len(tx_list), 2)
+                if rx_list: result_data["phy"]["rx_power"] = round(sum(rx_list)/len(rx_list), 2)
+
+            # ==========================================
+            # 3. 尋找所有 OFDM 通道
+            # ==========================================
+            cmd_help = "show cable modem " + mac + " ofdm-channel ?"
+            res_help = await conn.run(cmd_help, check=False)
+            text_to_search = (res_help.stdout or "") + "\n" + (res_help.stderr or "")
+            
+            cmd_verb = "show cable modem " + mac + " verbose | nomore"
+            res_verb = await conn.run(cmd_verb, check=False)
+            text_to_search += "\n" + (res_verb.stdout or "")
+
+            matches = re.findall(r"\b(Of(?:dm)?\d*[\d/:]+)\b", text_to_search, re.IGNORECASE)
+            ofdm_channels = []
+            for m in matches:
+                clean_m = m.lower()
+                if clean_m.startswith("of"):
+                    clean_m = "Of" + clean_m[2:]
+                if clean_m not in ofdm_channels:
+                    ofdm_channels.append(clean_m)
+            ofdm_channels.sort()
+
+            # ==========================================
+            # 4. 對每一個 OFDM 通道查詢 MER
+            # ==========================================
+            for ch in ofdm_channels:
+                cmd_mer = "show cable modem " + mac + " ofdm-channel " + ch + " mer | nomore"
+                res_mer = await conn.run(cmd_mer, check=False)
+                
+                histogram = {}
+                min_mer = 999
+                
+                if res_mer.exit_status == 0 and res_mer.stdout:
+                    mer_lines = re.finditer(r"(\d+)\s*(?:db|dB)?\s*\|[^|]*\|?\s*(\**)", res_mer.stdout, re.IGNORECASE)
+                    for match in mer_lines:
+                        db_val = match.group(1)
+                        stars = match.group(2)
+                        if stars:
+                            histogram[db_val] = len(stars) * 100
+                            db_int = int(db_val)
+                            if db_int < min_mer:
+                                min_mer = db_int
+                
+                health = "unknown"
+                if histogram and min_mer != 999:
+                    if min_mer >= 41: health = "good"
+                    elif min_mer >= 38: health = "warning"
+                    else: health = "critical"
+                    
+                result_data["mer_channels"][ch] = {
+                    "histogram": histogram,
+                    "health": health,
+                    "min_mer": min_mer if min_mer != 999 else "N/A"
+                }
+
+        print("✅ [Diagnostics] 解析結果: " + str(result_data))
+        return {"status": "success", "data": result_data}
+
+    except Exception as e:
+        logger.error("CM Diagnostics Error: " + str(e))
+        raise HTTPException(status_code=500, detail="設備連線或查詢失敗: " + str(e))
+
 ================================================================================
 FILE: routers/query.py
 ================================================================================
 # --- routers/query.py ---
 import re
+import asyncssh
+import asyncio
 from fastapi import APIRouter, HTTPException, Query
 from netmiko import ConnectHandler
 from shared import CMTS_DEVICE
@@ -6838,6 +7402,57 @@ async def get_cmts_version(
         if net_connect:
             net_connect.disconnect()
 
+@router.get("/list-cms", summary="獲取設備上所有的 CM MAC 清單")
+async def list_cms(host: str, username: str, password: str):
+    try:
+        # 使用 asyncssh 建立非同步連線
+        async with asyncssh.connect(host, username=username, password=password, known_hosts=None) as conn:
+            # 加上 | nomore 徹底避開分頁問題，並設定 timeout 防止卡死
+            result = await conn.run("show cable modem | nomore", check=False, timeout=15.0)
+            
+            if result.exit_status != 0 or not result.stdout:
+                return {"cms": []}
+            
+            # 嚴謹的 Regex：匹配 xxxx.xxxx.xxxx 或 xx:xx:xx:xx:xx:xx
+            mac_pattern = re.compile(r"([0-9a-fA-F]{4}\.[0-9a-fA-F]{4}\.[0-9a-fA-F]{4}|[0-9a-fA-F]{2}(?::[0-9a-fA-F]{2}){5})")
+            macs = []
+            
+            for line in result.stdout.splitlines():
+                match = mac_pattern.search(line)
+                if match:
+                    macs.append(match.group(1).lower())
+            
+            # 去重複並排序
+            return {"cms": sorted(list(set(macs)))}
+            
+    except Exception as e:
+        print(f"⚠️ [Background Task] 獲取 CM 清單失敗: {e}")
+        return {"cms": []} # 發生錯誤 (如 Timeout, 空行) 安全回傳空陣列
+
+@router.get("/list-rpds", summary="獲取設備上所有的 RPD VC:VS 清單")
+async def list_rpds(host: str, username: str, password: str):
+    try:
+        async with asyncssh.connect(host, username=username, password=password, known_hosts=None) as conn:
+            result = await conn.run("show cable rpd | nomore", check=False, timeout=15.0)
+            
+            if result.exit_status != 0 or not result.stdout:
+                return {"rpds": []}
+            
+            # 嚴謹的 Regex：匹配 數字:數字 (例如 13:0)，並使用 Negative Lookbehind/Lookahead 避免匹配到 MAC 或 IPv6
+            vcvs_pattern = re.compile(r"(?<![:\w])(\d{1,3}:\d{1,3})(?![:\w])")
+            rpds = []
+            
+            for line in result.stdout.splitlines():
+                match = vcvs_pattern.search(line)
+                if match:
+                    rpds.append(match.group(1))
+            
+            return {"rpds": sorted(list(set(rpds)))}
+            
+    except Exception as e:
+        print(f"⚠️ [Background Task] 獲取 RPD 清單失敗: {e}")
+        return {"rpds": []}
+
 
 ================================================================================
 FILE: routers/config.py

index.html

@@ -8,6 +8,7 @@
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/xterm@5.3.0/css/xterm.css" />
     <script src="https://cdn.jsdelivr.net/npm/xterm@5.3.0/lib/xterm.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/xterm-addon-fit@0.8.0/lib/xterm-addon-fit.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
     
     <!-- 引入獨立的 CSS 樣式表 -->
     <link rel="stylesheet" href="/static/style.css" />
@@ -68,6 +69,7 @@
                 <select id="queryTask" onchange="switchQueryTask()" style="width: 400px; max-width: 100%; font-weight: bold; font-size: 15px; padding: 8px; background-color: #f8f9fa;">
                     <option value="form-cm-query">🔎 Cable 狀態綜合查詢</option>
                     <option value="form-rpd-query">📡 RPD 狀態綜合查詢</option>
+                    <option value="form-cm-diagnostics">🩺 CM 一鍵診斷中心</option>
                 </select>
             </div>
 
@@ -77,7 +79,8 @@
                 <div class="form-grid">
                     <div class="form-row">
                         <label>目標設備 (Cable Modem MAC)</label>
-                        <input type="text" id="queryTargetCm" placeholder="例: 6467.7240.4076 (留白則查詢全體)">
+                        <input type="text" id="queryTargetCm" list="cm-mac-list" placeholder="例: 6467.7240.4076 (留白則查詢全體)">
+                        <datalist id="cm-mac-list"></datalist>
                     </div>
                     <div class="form-row">
                         <label>查詢動作 (Action)</label>
@@ -126,7 +129,8 @@
                 <div class="form-grid">
                     <div class="form-row">
                         <label>目標設備 (RPD VC:VS)</label>
-                        <input type="text" id="queryTargetRpd" placeholder="例: 13:0 (留白則查詢全體)">
+                        <input type="text" id="queryTargetRpd" list="rpd-vcvs-list" placeholder="例: 13:0 (留白則查詢全體)">
+                        <datalist id="rpd-vcvs-list"></datalist>
                     </div>
                     <div class="form-row">
                         <label>查詢動作 (Action)</label>
@@ -154,6 +158,75 @@
                     </div>
                 </div>
             </div>
+
+            <!-- 表單 3：CM 一鍵診斷中心 -->
+            <div id="form-cm-diagnostics" class="task-form">
+                <h3 style="margin-top: 0; font-size: 18px; color: #9b59b6; border-bottom: 2px solid #ecf0f1; padding-bottom: 10px; margin-bottom: 20px;">CM 深度診斷與 MER 分析</h3>
+    
+                <!-- 搜尋區塊 -->
+                <div class="control-group" style="background: #fdfefe; padding: 15px; border-radius: 6px; border: 1px solid #e8daef; margin-bottom: 20px;">
+                    <label style="font-weight: bold; color: #2c3e50; font-size: 15px;">🎯 目標 CM MAC：</label>
+                    <input type="text" id="diagMacInput" list="diag-cm-mac-list" placeholder="例如: 6467.7240.4076" style="width: 200px; padding: 6px 8px; font-size: 14px; margin: 0 10px; border: 1px solid #bdc3c7; border-radius: 4px;">
+                    <datalist id="diag-cm-mac-list"></datalist>
+                    <button onclick="runCmDiagnostics()" id="btnRunDiag" class="btn-modern btn-scan" style="background-color: #8e44ad;">🚀 執行深度診斷</button>
+                    <span id="diagStatusMsg" style="margin-left: 15px; font-weight: bold; color: #f39c12; display: none;">⏳ 正在透過 SSH 採集設備數據...</span>
+                </div>
+
+                <!-- 結果顯示區塊 (預設隱藏) -->
+                <div id="diagResultArea" style="display: none; gap: 20px; flex-direction: column;">
+                    
+                    <!-- 上半部：基本資訊與 PHY 狀態 -->
+                    <div style="display: flex; gap: 20px; flex-wrap: wrap;">
+                        <!-- 基本資訊卡片 -->
+                        <div style="flex: 1; min-width: 300px; background: #fff; padding: 15px 20px; border-radius: 8px; border: 1px solid #e2e8f0; border-top: 4px solid #3498db; box-shadow: 0 2px 4px rgba(0,0,0,0.02);">
+                            <h4 style="margin-top: 0; color: #2c3e50; margin-bottom: 15px;">📄 基本資訊</h4>
+                            <table style="width: 100%; text-align: left; border-collapse: collapse; font-size: 14px;">
+                                <tr style="border-bottom: 1px solid #ecf0f1;"><th style="padding: 8px 0; color: #7f8c8d; width: 40%;">MAC Address</th><td id="diagResMac" style="font-weight: bold; color: #2c3e50;">-</td></tr>
+                                <tr style="border-bottom: 1px solid #ecf0f1;"><th style="padding: 8px 0; color: #7f8c8d;">IP Address</th><td id="diagResIp" style="color: #2980b9; font-family: monospace;">-</td></tr>
+                                <tr style="border-bottom: 1px solid #ecf0f1;"><th style="padding: 8px 0; color: #7f8c8d;">State</th><td id="diagResState" style="font-weight: bold;">-</td></tr>
+                                <tr><th style="padding: 8px 0; color: #7f8c8d;">CPE Count</th><td id="diagResCpe">-</td></tr>
+                            </table>
+                        </div>
+
+                        <!-- PHY 狀態卡片 -->
+                        <div style="flex: 1; min-width: 300px; background: #fff; padding: 15px 20px; border-radius: 8px; border: 1px solid #e2e8f0; border-top: 4px solid #2ecc71; box-shadow: 0 2px 4px rgba(0,0,0,0.02);">
+                            <h4 style="margin-top: 0; color: #2c3e50; margin-bottom: 15px;">📡 TX / RX 綜合實體層狀態</h4>
+                            <table style="width: 100%; text-align: left; border-collapse: collapse; font-size: 14px;">
+                                <tr style="border-bottom: 1px solid #ecf0f1;">
+                                    <th style="padding: 8px 0; color: #7f8c8d; width: 50%;">Avg TX Power (dBmV)</th>
+                                    <td id="diagResTx" style="font-weight: bold;">-</td>
+                                </tr>
+                                <tr>
+                                    <th style="padding: 8px 0; color: #7f8c8d;">Avg RX Power (dBmV)</th>
+                                    <td id="diagResRx" style="font-weight: bold;">-</td>
+                                </tr>
+                            </table>
+                            
+                            <!-- 🌟 新增：上行通道標籤區塊 -->
+                            <div style="margin-top: 15px; padding-top: 15px; border-top: 1px dashed #bdc3c7;">
+                                <div style="color: #7f8c8d; font-size: 13px; font-weight: bold; margin-bottom: 8px;">上行通道 SNR (dB) 分布：</div>
+                                <div id="upstreamSnrContainer" style="display: flex; flex-wrap: wrap; gap: 8px;">
+                                    <!-- 動態生成標籤 -->
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <!-- 下半部：Chart.js MER 圖表 -->
+                    <div style="background: #fff; padding: 15px 20px; border-radius: 8px; border: 1px solid #e2e8f0; border-top: 4px solid #9b59b6; box-shadow: 0 2px 4px rgba(0,0,0,0.02);">
+                        <h4 style="margin-top: 0; color: #2c3e50; display: flex; flex-direction: column; gap: 10px; margin-bottom: 15px;">
+                            <span>📊 OFDM MER 分布圖 <span style="font-size: 13px; color: #7f8c8d; font-weight: normal;">(點擊頻道切換圖表，最低 MER ≥ 41dB 判定為優)</span></span>
+                            <!-- 🌟 新增：動態 OFDM 頻道切換按鈕區塊 -->
+                            <div id="ofdmChannelTabs" style="display: flex; gap: 10px; flex-wrap: wrap;">
+                                <!-- 動態生成按鈕 -->
+                            </div>
+                        </h4>
+                        <div style="position: relative; height: 280px; width: 100%;">
+                            <canvas id="merChart"></canvas>
+                        </div>
+                    </div>
+                </div>
+            </div>
          </div>
     </div> 
 
@@ -178,9 +251,8 @@
                 
                 <div class="control-group" style="background: #fdf2e9; padding: 15px; border-radius: 6px; border: 1px solid #fadbd8;">
                     <label style="font-weight: bold; color: #d35400;">1. 目標 MAC Domain：</label>
-                    <select id="cfgMacDomain" style="width: 150px; padding: 6px; font-weight: bold; border: 1px solid #fadbd8; border-radius: 4px; background-color: #fff;">
+                    <input type="text" id="cfgMacDomain" list="mac-domain-list" placeholder="請先點擊上方載入任務..." style="width: 220px; padding: 6px; font-weight: bold; border: 1px solid #fadbd8; border-radius: 4px; background-color: #fff;">
-                        <option value="">請先點擊上方載入任務...</option>
+                    <datalist id="mac-domain-list"></datalist>
-                    </select>
                     <button onclick="fetchMacDomainConfig()" class="btn-modern btn-load">🔍 讀取現有配置</button>
                     <span id="fetchStatus" style="margin-left: 10px; font-size: 14px; color: #7f8c8d;">請先讀取設備狀態...</span>
                 </div>

main.py

@@ -7,7 +7,7 @@ from contextlib import asynccontextmanager
 import database
 
 # 引入我們剛剛拆分出來的路由模組
-from routers import query, config, terminal, lock, leaf_options, backup
+from routers import query, config, terminal, lock, leaf_options, backup, diagnostics
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
@@ -28,6 +28,7 @@ app.include_router(config.router, prefix="/api/v1")
 app.include_router(leaf_options.router, prefix="/api/v1")
 app.include_router(lock.router, prefix="/api/v1")
 app.include_router(backup.router, prefix="/api/v1")
+app.include_router(diagnostics.router, prefix="/api/v1")
 
 # WebSocket 通常獨立於 API 版本之外，所以不加前綴
 app.include_router(terminal.router) 

merge_code.py

@@ -1,19 +1,19 @@
 import os
 
+import os
+import argparse
+
 # ==========================================
 # 設定區
 # ==========================================
-# 輸出的合併檔案名稱
-OUTPUT_FILE = "all_code.txt"
-
 # ⚠️ 嚴格排除的資料夾 (完全不掃描這些目錄)
 EXCLUDE_DIRS = {
     "__pycache__",
     ".git",
     ".vscode",          # VS Code 設定檔
     ".continue",        # Continue.dev 設定檔
-    "cmts_api_env",     # 🚨 Python 虛擬環境 (極度重要！絕對要排除)
+    "cmts_api_env",     # 🚨 Python 虛擬環境
-    "venv",             # 其他常見的虛擬環境名稱
+    "venv",             
     ".venv",
     "node_modules",
     "dist",
@@ -22,27 +22,28 @@ EXCLUDE_DIRS = {
 
 # ⚠️ 排除的檔案副檔名 (不讀取這些格式)
 EXCLUDE_EXTENSIONS = {
-    ".png", ".jpg", ".jpeg", ".gif", ".ico", ".svg",  # 圖片
+    ".png", ".jpg", ".jpeg", ".gif", ".ico", ".svg",  
-    ".pyc", ".pyo", ".pyd",                           # Python 編譯檔
+    ".pyc", ".pyo", ".pyd",                           
-    ".exe", ".dll", ".so", ".dylib",                  # 執行檔/函式庫
+    ".exe", ".dll", ".so", ".dylib",                  
-    ".zip", ".tar", ".gz", ".rar",                    # 壓縮檔
+    ".zip", ".tar", ".gz", ".rar",                    
-    ".pdf", ".doc", ".docx",                          # 文件檔
+    ".pdf", ".doc", ".docx",                          
-    ".sqlite3", ".db"                                 # 資料庫
+    ".sqlite3", ".db"                                 
 }
 
-# ⚠️ 排除的特定檔案名稱 (例如腳本自己、隱藏檔等)
+# ⚠️ 排除的特定檔案名稱
 EXCLUDE_FILES = {
     "merge_code.py",      # 排除這支腳本自己
-    "all_code.txt",     # 排除輸出的檔案
+    "all_code.txt",       # 排除全域輸出的檔案
-    ".DS_Store",        # Mac 系統檔
+    "target_code.txt",    # 排除指定輸出的檔案 (新增)
-    ".clineignore",     # AI 輔助工具的忽略檔
+    ".DS_Store",          
-    ".clinerules",      # AI 輔助工具的規則檔
+    ".clineignore",       
-    ".gitignore",       # Git 忽略檔
+    ".clinerules",        
-    "requirements.txt"  # 依賴清單 (通常不需要給 AI 看，除非你要問套件問題)
+    ".gitignore",         
+    "requirements.txt"    
 }
 
 def should_process_file(filename):
-    """判斷該檔案是否應該被處理"""
+    """判斷該檔案是否應該被處理 (用於全域掃描)"""
     if filename in EXCLUDE_FILES:
         return False
     
@@ -52,44 +53,87 @@ def should_process_file(filename):
         
     return True
 
-def merge_files():
+def merge_all_files():
-    # 取得當前腳本所在的目錄 (專案根目錄)
+    """模式一：全域掃描 (無參數時觸發)"""
+    output_file = "all_code.txt"
     root_dir = os.path.dirname(os.path.abspath(__file__))
     
-    with open(OUTPUT_FILE, "w", encoding="utf-8") as outfile:
+    with open(output_file, "w", encoding="utf-8") as outfile:
-        # 寫入一個總標題
         outfile.write("=" * 80 + "\n")
-        outfile.write("PROJECT SOURCE CODE EXPORT\n")
+        outfile.write("PROJECT SOURCE CODE EXPORT (FULL)\n")
         outfile.write("=" * 80 + "\n\n")
 
-        # 走訪目錄
         for dirpath, dirnames, filenames in os.walk(root_dir):
-            # 排除不需要的目錄 (原地修改 dirnames 列表，os.walk 就不會進去)
             dirnames[:] = [d for d in dirnames if d not in EXCLUDE_DIRS]
             
             for filename in filenames:
                 if should_process_file(filename):
                     file_path = os.path.join(dirpath, filename)
-                    # 計算相對路徑 (例如: routers/config.py)
                     rel_path = os.path.relpath(file_path, root_dir)
                     
                     try:
                         with open(file_path, "r", encoding="utf-8") as infile:
                             content = infile.read()
-                            
-                            # 寫入漂亮的檔名標籤
                             outfile.write("\n" + "=" * 80 + "\n")
                             outfile.write(f"FILE: {rel_path}\n")
                             outfile.write("=" * 80 + "\n")
-                            # 寫入檔案內容
                             outfile.write(content)
                             outfile.write("\n")
-                            
                         print(f"✅ 已合併: {rel_path}")
                     except Exception as e:
                         print(f"❌ 讀取失敗 {rel_path}: {e}")
 
-    print(f"\n🎉 合併完成！所有程式碼已儲存至: {OUTPUT_FILE}")
+    print(f"\n🎉 全域合併完成！所有程式碼已儲存至: {output_file}")
+
+def merge_target_files(file_list):
+    """模式二：指定檔案合併 (-t 參數觸發)"""
+    output_file = "target_code.txt"
+    root_dir = os.path.dirname(os.path.abspath(__file__))
+    
+    with open(output_file, "w", encoding="utf-8") as outfile:
+        outfile.write("=" * 80 + "\n")
+        outfile.write("TARGET SOURCE CODE EXPORT (SPECIFIC)\n")
+        outfile.write("=" * 80 + "\n\n")
+
+        for rel_path in file_list:
+            file_path = os.path.join(root_dir, rel_path)
+            
+            if not os.path.exists(file_path):
+                print(f"❌ 找不到檔案 (已跳過): {rel_path}")
+                continue
+            if not os.path.isfile(file_path):
+                print(f"❌ 不是有效檔案 (已跳過): {rel_path}")
+                continue
+
+            try:
+                with open(file_path, "r", encoding="utf-8") as infile:
+                    content = infile.read()
+                    outfile.write("\n" + "=" * 80 + "\n")
+                    outfile.write(f"FILE: {rel_path}\n")
+                    outfile.write("=" * 80 + "\n")
+                    outfile.write(content)
+                    outfile.write("\n")
+                print(f"✅ 已合併: {rel_path}")
+            except Exception as e:
+                print(f"❌ 讀取失敗 {rel_path}: {e}")
+
+    print(f"\n🎯 指定合併完成！選定的程式碼已儲存至: {output_file}")
 
 if __name__ == "__main__":
-    merge_files()
+    # 使用 argparse 來解析終端機指令
+    parser = argparse.ArgumentParser(description="合併專案程式碼供 AI 讀取")
+    parser.add_argument(
+        '-t', '--target', 
+        nargs='+', # 允許接收一個或多個參數
+        help="指定要合併的檔案路徑 (例如: -t main.py routers/api.py)"
+    )
+    
+    args = parser.parse_args()
+
+    # 根據是否有傳入 -t 參數，決定執行哪一種模式
+    if args.target:
+        print("🔍 啟動 [指定模式]...")
+        merge_target_files(args.target)
+    else:
+        print("🔍 啟動 [全域模式]...")
+        merge_all_files()

routers/diagnostics.py

@@ -0,0 +1,150 @@
+# --- routers/diagnostics.py ---
+import re
+import asyncssh
+import logging
+from fastapi import APIRouter, HTTPException, Query
+from typing import Dict, Any
+
+logger = logging.getLogger(__name__)
+router = APIRouter(prefix="/cm-diagnostics", tags=["Diagnostics"])
+
+@router.get("/")
+async def get_cm_diagnostics(
+    host: str = Query(...),
+    username: str = Query(...),
+    password: str = Query(...),
+    mac: str = Query(..., description="Cable Modem MAC Address")
+) -> Dict[str, Any]:
+    
+    mac = mac.strip().lower()
+    if not mac:
+        raise HTTPException(status_code=400, detail="MAC Address is required")
+
+    result_data = {
+        "mac": mac,
+        "ip": "N/A",
+        "state": "N/A",
+        "cpe_count": 0,
+        "phy": {
+            "tx_power": None,
+            "rx_power": None
+        },
+        "upstreams": [],    
+        "mer_channels": {}  
+    }
+
+    try:
+        async with asyncssh.connect(host, username=username, password=password, known_hosts=None) as conn:
+            print("\n🚀 [Diagnostics] 開始診斷 MAC: " + mac)
+
+            # ==========================================
+            # 1. 查詢基本狀態
+            # ==========================================
+            cmd_base = "show cable modem " + mac + " | nomore"
+            res_base = await conn.run(cmd_base, check=False)
+            if res_base.exit_status == 0 and res_base.stdout:
+                for line in res_base.stdout.splitlines():
+                    if mac in line.lower():
+                        tokens = line.split()
+                        for t in tokens:
+                            if re.match(r"^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$", t): 
+                                result_data["ip"] = t
+                            elif re.match(r"^[a-z]-online|online|offline|init.*|reject", t, re.IGNORECASE): 
+                                result_data["state"] = t
+                        nums = [t for t in tokens if t.isdigit()]
+                        if nums:
+                            result_data["cpe_count"] = int(nums[-1])
+                        break
+
+            # ==========================================
+            # 2. 查詢 PHY 狀態 (💡 修復：移除寫死的 us/oad 判斷，改用通用特徵)
+            # ==========================================
+            cmd_phy = "show cable modem " + mac + " phy | nomore"
+            res_phy = await conn.run(cmd_phy, check=False)
+            if res_phy.exit_status == 0 and res_phy.stdout:
+                tx_list = []
+                rx_list = []
+                for line in res_phy.stdout.splitlines():
+                    line_lower = line.lower()
+                    if mac in line_lower:
+                        tokens = line.split()
+                        if len(tokens) >= 6:
+                            ch_name = tokens[1]
+                            # 💡 只要名稱包含 ":" 和 "/"，就認定是合法的通道 (例如 Oa32, Oad32, Us32)
+                            if ":" in ch_name and "/" in ch_name:
+                                try:
+                                    snr_val = float(tokens[4])
+                                    result_data["upstreams"].append({"channel": ch_name, "snr": snr_val})
+                                except:
+                                    pass
+                            try:
+                                tx_val = float(tokens[3].split('/')[0])
+                                rx_list_val = float(tokens[5].split('/')[0])
+                                tx_list.append(tx_val)
+                                rx_list.append(rx_list_val)
+                            except:
+                                pass
+                                
+                if tx_list: result_data["phy"]["tx_power"] = round(sum(tx_list)/len(tx_list), 2)
+                if rx_list: result_data["phy"]["rx_power"] = round(sum(rx_list)/len(rx_list), 2)
+
+            # ==========================================
+            # 3. 尋找所有 OFDM 通道
+            # ==========================================
+            cmd_help = "show cable modem " + mac + " ofdm-channel ?"
+            res_help = await conn.run(cmd_help, check=False)
+            text_to_search = (res_help.stdout or "") + "\n" + (res_help.stderr or "")
+            
+            cmd_verb = "show cable modem " + mac + " verbose | nomore"
+            res_verb = await conn.run(cmd_verb, check=False)
+            text_to_search += "\n" + (res_verb.stdout or "")
+
+            matches = re.findall(r"\b(Of(?:dm)?\d*[\d/:]+)\b", text_to_search, re.IGNORECASE)
+            ofdm_channels = []
+            for m in matches:
+                clean_m = m.lower()
+                if clean_m.startswith("of"):
+                    clean_m = "Of" + clean_m[2:]
+                if clean_m not in ofdm_channels:
+                    ofdm_channels.append(clean_m)
+            ofdm_channels.sort()
+
+            # ==========================================
+            # 4. 對每一個 OFDM 通道查詢 MER
+            # ==========================================
+            for ch in ofdm_channels:
+                cmd_mer = "show cable modem " + mac + " ofdm-channel " + ch + " mer | nomore"
+                res_mer = await conn.run(cmd_mer, check=False)
+                
+                histogram = {}
+                min_mer = 999
+                
+                if res_mer.exit_status == 0 and res_mer.stdout:
+                    mer_lines = re.finditer(r"(\d+)\s*(?:db|dB)?\s*\|[^|]*\|?\s*(\**)", res_mer.stdout, re.IGNORECASE)
+                    for match in mer_lines:
+                        db_val = match.group(1)
+                        stars = match.group(2)
+                        if stars:
+                            histogram[db_val] = len(stars) * 100
+                            db_int = int(db_val)
+                            if db_int < min_mer:
+                                min_mer = db_int
+                
+                health = "unknown"
+                if histogram and min_mer != 999:
+                    if min_mer >= 41: health = "good"
+                    elif min_mer >= 38: health = "warning"
+                    else: health = "critical"
+                    
+                result_data["mer_channels"][ch] = {
+                    "histogram": histogram,
+                    "health": health,
+                    "min_mer": min_mer if min_mer != 999 else "N/A"
+                }
+
+        print("✅ [Diagnostics] 解析結果: " + str(result_data))
+        return {"status": "success", "data": result_data}
+
+    except Exception as e:
+        logger.error("CM Diagnostics Error: " + str(e))
+        raise HTTPException(status_code=500, detail="設備連線或查詢失敗: " + str(e))

routers/query.py

@@ -1,5 +1,7 @@
 # --- routers/query.py ---
 import re
+import asyncssh
+import asyncio
 from fastapi import APIRouter, HTTPException, Query
 from netmiko import ConnectHandler
 from shared import CMTS_DEVICE
@@ -244,3 +246,54 @@ async def get_cmts_version(
     finally:
         if net_connect:
             net_connect.disconnect()
+
+@router.get("/list-cms", summary="獲取設備上所有的 CM MAC 清單")
+async def list_cms(host: str, username: str, password: str):
+    try:
+        # 使用 asyncssh 建立非同步連線
+        async with asyncssh.connect(host, username=username, password=password, known_hosts=None) as conn:
+            # 加上 | nomore 徹底避開分頁問題，並設定 timeout 防止卡死
+            result = await conn.run("show cable modem | nomore", check=False, timeout=15.0)
+            
+            if result.exit_status != 0 or not result.stdout:
+                return {"cms": []}
+            
+            # 嚴謹的 Regex：匹配 xxxx.xxxx.xxxx 或 xx:xx:xx:xx:xx:xx
+            mac_pattern = re.compile(r"([0-9a-fA-F]{4}\.[0-9a-fA-F]{4}\.[0-9a-fA-F]{4}|[0-9a-fA-F]{2}(?::[0-9a-fA-F]{2}){5})")
+            macs = []
+            
+            for line in result.stdout.splitlines():
+                match = mac_pattern.search(line)
+                if match:
+                    macs.append(match.group(1).lower())
+            
+            # 去重複並排序
+            return {"cms": sorted(list(set(macs)))}
+            
+    except Exception as e:
+        print(f"⚠️ [Background Task] 獲取 CM 清單失敗: {e}")
+        return {"cms": []} # 發生錯誤 (如 Timeout, 空行) 安全回傳空陣列
+
+@router.get("/list-rpds", summary="獲取設備上所有的 RPD VC:VS 清單")
+async def list_rpds(host: str, username: str, password: str):
+    try:
+        async with asyncssh.connect(host, username=username, password=password, known_hosts=None) as conn:
+            result = await conn.run("show cable rpd | nomore", check=False, timeout=15.0)
+            
+            if result.exit_status != 0 or not result.stdout:
+                return {"rpds": []}
+            
+            # 嚴謹的 Regex：匹配 數字:數字 (例如 13:0)，並使用 Negative Lookbehind/Lookahead 避免匹配到 MAC 或 IPv6
+            vcvs_pattern = re.compile(r"(?<![:\w])(\d{1,3}:\d{1,3})(?![:\w])")
+            rpds = []
+            
+            for line in result.stdout.splitlines():
+                match = vcvs_pattern.search(line)
+                if match:
+                    rpds.append(match.group(1))
+            
+            return {"rpds": sorted(list(set(rpds)))}
+            
+    except Exception as e:
+        print(f"⚠️ [Background Task] 獲取 RPD 清單失敗: {e}")
+        return {"rpds": []}

static/api.js

@@ -151,6 +151,19 @@ export async function apiExecuteQuery(queryType, target, host, username, passwor
     return response.json();
 }
 
+// 🌟 新增：動態抓取設備清單 API
+export async function apiListCms(host, username, password) {
+    const url = `/api/v1/list-cms?host=${encodeURIComponent(host)}&username=${encodeURIComponent(username)}&password=${encodeURIComponent(password)}`;
+    const response = await fetch(url);
+    return response.json();
+}
+
+export async function apiListRpds(host, username, password) {
+    const url = `/api/v1/list-rpds?host=${encodeURIComponent(host)}&username=${encodeURIComponent(username)}&password=${encodeURIComponent(password)}`;
+    const response = await fetch(url);
+    return response.json();
+}
+
 // ==========================================
 // 6. 專門處理串流的 API 呼叫函數 (UI 可以即時更新)
 // ==========================================
@@ -188,3 +201,13 @@ export async function apiSyncLeafOptionsStream(host, paths, onProgress, configTy
         }
     }
 }
+
+export async function apiGetCmDiagnostics(host, username, password, mac) {
+    const url = `/api/v1/cm-diagnostics/?host=${encodeURIComponent(host)}&username=${encodeURIComponent(username)}&password=${encodeURIComponent(password)}&mac=${encodeURIComponent(mac)}`;
+    const response = await fetch(url);
+    if (!response.ok) {
+        const err = await response.json();
+        throw new Error(err.detail || "伺服器發生錯誤");
+    }
+    return response.json();
+}

static/app.js

@@ -12,7 +12,9 @@ import {
     apiGetFullConfig, apiClearCache, apiExecuteQuery, 
     apiGetTreeFilters, apiSaveTreeFilters,
     apiSyncLeafOptionsStream, apiGetCmtsVersion,
-    apiGetScanStatus, apiGetLockStatus 
+    apiGetScanStatus, apiGetLockStatus,
+    apiGetCmDiagnostics,
+    apiListCms, apiListRpds 
 } from './api.js';
 
 // 3. 共用工具模組 (Utils)
@@ -273,12 +275,97 @@ function switchTab(tabId, element) {
     if(tabId === 'cli-tab' && typeof fitAddon !== 'undefined' && fitAddon) setTimeout(() => fitAddon.fit(), 50);
 }
 
+// 切換「設備查詢」內的子任務表單
+// ============================================================================
+// 🌟 設備查詢動態清單快取 (新增)
+// ============================================================================
+let cachedDeviceLists = { cms: null, rpds: null, host: null };
+
 // 切換「設備查詢」內的子任務表單
 function switchQueryTask() {
     document.querySelectorAll('#query-tab .task-form').forEach(form => form.classList.remove('active'));
     const selectedTaskId = document.getElementById('queryTask').value;
     const targetForm = document.getElementById(selectedTaskId);
     if (targetForm) targetForm.classList.add('active');
+
+    // 🌟 觸發背景動態載入 Datalist
+    loadDynamicDatalist(selectedTaskId);
+}
+
+// 🌟 新增：背景載入 Datalist 邏輯
+async function loadDynamicDatalist(taskType) {
+    // 若尚未連線，則不觸發背景抓取 (不跳警告，默默 return)
+    if (!isConnected) return; 
+    
+    const host = document.getElementById('cmtsHost').value.trim();
+    const user = document.getElementById('cmtsUser').value.trim();
+    const pass = document.getElementById('cmtsPass').value.trim();
+    if (!host || !user || !pass) return;
+
+    // 若切換了設備 IP，清空舊快取
+    if (cachedDeviceLists.host !== host) {
+        cachedDeviceLists = { cms: null, rpds: null, host: host };
+    }
+
+    if (taskType === 'form-cm-query' || taskType === 'form-cm-diagnostics') {
+        const inputId = taskType === 'form-cm-query' ? 'queryTargetCm' : 'diagMacInput';
+        const listId = taskType === 'form-cm-query' ? 'cm-mac-list' : 'diag-cm-mac-list';
+        const defaultPlaceholder = taskType === 'form-cm-query' ? "例: 6467.7240.4076 (留白則查詢全體)" : "例如: 6467.7240.4076";
+        
+        await fetchAndBindList('cms', inputId, listId, defaultPlaceholder, host, user, pass);
+    } else if (taskType === 'form-rpd-query') {
+        await fetchAndBindList('rpds', 'queryTargetRpd', 'rpd-vcvs-list', "例: 13:0 (留白則查詢全體)", host, user, pass);
+    }
+}
+
+// 🌟 新增：執行 API 呼叫與 UX 狀態切換
+async function fetchAndBindList(type, inputId, listId, defaultPlaceholder, host, user, pass) {
+    const inputEl = document.getElementById(inputId);
+    const datalistEl = document.getElementById(listId);
+    if (!inputEl || !datalistEl) return;
+
+    // 如果已經有快取，直接綁定並結束
+    if (cachedDeviceLists[type]) {
+        populateDatalist(datalistEl, cachedDeviceLists[type]);
+        return;
+    }
+
+    // 狀態 1：發出請求前 (鎖定輸入框，提示載入中)
+    inputEl.disabled = true;
+    inputEl.placeholder = "🔄 載入設備清單中...";
+    inputEl.style.backgroundColor = "#fdfefe";
+
+    try {
+        let data;
+        if (type === 'cms') {
+            data = await apiListCms(host, user, pass);
+            cachedDeviceLists.cms = data.cms || [];
+        } else {
+            data = await apiListRpds(host, user, pass);
+            cachedDeviceLists.rpds = data.rpds || [];
+        }
+
+        // 狀態 2：請求成功 (塞入選項，恢復輸入框)
+        populateDatalist(datalistEl, cachedDeviceLists[type]);
+        inputEl.placeholder = defaultPlaceholder;
+    } catch (error) {
+        console.error(`[Background Task] Failed to load ${type}:`, error);
+        // 狀態 3：請求失敗 (提示失敗，但仍解鎖讓使用者手動輸入)
+        inputEl.placeholder = "⚠️ 清單載入失敗，請手動輸入";
+    } finally {
+        inputEl.disabled = false;
+        inputEl.style.backgroundColor = ""; // 恢復預設背景色
+    }
+}
+
+// 🌟 新增：將陣列轉換為 <option> 塞入 <datalist>
+function populateDatalist(datalistEl, items) {
+    datalistEl.innerHTML = '';
+    items.forEach(item => {
+        const option = document.createElement('option');
+        option.value = item;
+        datalistEl.appendChild(option);
+    });
 }
 
 // 🌟 新增一個變數來記錄上一次的樹狀圖模式
@@ -380,6 +467,11 @@ function toggleQueryInputs(mode) {
 function resetAllManagerData() {
     resetMacDomainData();
 
+    // 🌟 新增：清空動態下拉選單的快取，確保切換設備時重新抓取
+    if (typeof cachedDeviceLists !== 'undefined') {
+        cachedDeviceLists = { cms: null, rpds: null, host: null };
+    }
+    
     // 🧹 [修復 Leak] 清空前端樹狀圖快取，避免切換設備時發生 OOM
     clearTreeCache();
     
@@ -403,8 +495,13 @@ function resetAllManagerData() {
         deployBtn.disabled = true;
     }
 
-    const mdSelect = document.getElementById('cfgMacDomain');
+    const mdInput = document.getElementById('cfgMacDomain');
-    if (mdSelect) mdSelect.innerHTML = '<option value="">請先點擊上方載入任務...</option>';
+    if (mdInput) {
+        mdInput.value = '';
+        mdInput.placeholder = '請先點擊上方載入任務...';
+    }
+    const mdDatalist = document.getElementById('mac-domain-list');
+    if (mdDatalist) mdDatalist.innerHTML = '';
     
     const fetchStatus = document.getElementById('fetchStatus');
     if (fetchStatus) {
@@ -612,6 +709,203 @@ async function fetchFullConfig(configType = 'running') {
     }
 }
 
+// ============================================================================
+// 🌟 CM 一鍵診斷中心邏輯 (多頻道切換與紅綠燈實作)
+// ============================================================================
+let merChartInstance = null; 
+let globalMerData = {}; // 暫存所有頻道的 MER 資料供切換使用
+
+window.runCmDiagnostics = async function() {
+    const connInfo = getGlobalConnectionInfo();
+    if (!connInfo) return;
+
+    const macInput = document.getElementById('diagMacInput').value.trim();
+    if (!macInput) return alert("請輸入目標 CM 的 MAC Address！");
+
+    const btn = document.getElementById('btnRunDiag');
+    const msg = document.getElementById('diagStatusMsg');
+    const resultArea = document.getElementById('diagResultArea');
+
+    btn.disabled = true;
+    btn.style.opacity = '0.7';
+    msg.style.display = 'inline-block';
+    resultArea.style.display = 'none';
+
+    try {
+        const result = await apiGetCmDiagnostics(connInfo.host, connInfo.user, connInfo.pass, macInput);
+        
+        if (result.status === 'success') {
+            const data = result.data;
+
+            // 1. 填入基本資訊
+            document.getElementById('diagResMac').textContent = data.mac;
+            document.getElementById('diagResIp').textContent = data.ip || 'N/A';
+            document.getElementById('diagResCpe').textContent = data.cpe_count;
+            
+            const stateEl = document.getElementById('diagResState');
+            stateEl.textContent = data.state || 'N/A';
+            stateEl.style.color = (data.state && data.state.toLowerCase().includes('online')) ? '#27ae60' : '#e74c3c';
+
+            document.getElementById('diagResTx').textContent = data.phy.tx_power !== null ? data.phy.tx_power : 'N/A';
+            document.getElementById('diagResRx').textContent = data.phy.rx_power !== null ? data.phy.rx_power : 'N/A';
+
+            // 2. 渲染上行 SNR (Upstreams) 標籤群
+            const usContainer = document.getElementById('upstreamSnrContainer');
+            usContainer.innerHTML = '';
+            if (data.upstreams && data.upstreams.length > 0) {
+                data.upstreams.forEach(us => {
+                    let color = '#e74c3c'; // 預設紅 (差: < 30)
+                    if (us.snr >= 35) color = '#27ae60'; // 綠 (優: >= 35)
+                    else if (us.snr >= 30) color = '#f39c12'; // 橘 (尚可: 30~34.9)
+                    
+                    usContainer.innerHTML += `
+                        <div style="background-color: ${color}; color: white; padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: bold; box-shadow: 0 1px 3px rgba(0,0,0,0.2);">
+                            ${us.channel} : ${us.snr}
+                        </div>
+                    `;
+                });
+            } else {
+                usContainer.innerHTML = '<span style="color: #bdc3c7; font-size: 13px;">無資料</span>';
+            }
+
+            // 3. 處理 OFDM MER 頻道按鈕與圖表
+            globalMerData = data.mer_channels;
+            const tabsContainer = document.getElementById('ofdmChannelTabs');
+            tabsContainer.innerHTML = '';
+
+            const channels = Object.keys(globalMerData);
+            if (channels.length > 0) {
+                channels.forEach((ch, index) => {
+                    const chData = globalMerData[ch];
+                    // 根據後端判斷的健康度上色 (>=41綠, 38~40橘, <=37紅)
+                    let bgCol = '#bdc3c7'; // 預設灰色 (無資料)
+                    if (chData.health === 'good') bgCol = '#27ae60';
+                    else if (chData.health === 'warning') bgCol = '#f39c12';
+                    else if (chData.health === 'critical') bgCol = '#e74c3c';
+
+                    const btn = document.createElement('button');
+                    // 💡 拔除方正的 class，改用純手工膠囊樣式
+                    btn.style.boxSizing = 'border-box';
+                    btn.style.cursor = 'pointer';
+                    btn.style.backgroundColor = bgCol;
+                    btn.style.color = '#ffffff';
+                    btn.style.padding = '6px 14px';
+                    btn.style.borderRadius = '20px'; // 🌟 完美的膠囊圓角
+                    btn.style.fontSize = '12px';
+                    btn.style.fontWeight = 'bold';
+                    btn.style.boxShadow = '0 2px 4px rgba(0,0,0,0.1)';
+                    btn.style.transition = 'all 0.2s ease';
+                    
+                    // 點擊與未點擊的狀態區分 (透明度與外框)
+                    btn.style.opacity = index === 0 ? '1' : '0.5'; 
+                    btn.style.border = index === 0 ? '2px solid #2c3e50' : '2px solid transparent';
+                    
+                    // 標籤文字加入最低 MER 數值提示
+                    btn.textContent = `${ch} (Min: ${chData.min_mer} dB)`;
+                    
+                    btn.onclick = () => {
+                        // 重置所有按鈕外觀
+                        Array.from(tabsContainer.children).forEach(b => {
+                            b.style.opacity = '0.5';
+                            b.style.border = '2px solid transparent';
+                        });
+                        // 突顯當前點擊的按鈕
+                        btn.style.opacity = '1';
+                        btn.style.border = '2px solid #2c3e50';
+                        // 重新繪圖
+                        renderMerChart(ch, chData.histogram);
+                    };
+                    tabsContainer.appendChild(btn);
+                });
+                
+                // 預設渲染第一個頻道的圖表
+                renderMerChart(channels[0], globalMerData[channels[0]].histogram);
+            } else {
+                tabsContainer.innerHTML = '<span style="color: #e74c3c; font-size: 14px; font-weight: bold;">⚠️ 設備無回傳任何 OFDM 頻道 MER 數據</span>';
+                renderMerChart('無資料', {});
+            }
+
+            resultArea.style.display = 'flex';
+        }
+    } catch (error) {
+        alert(`❌ 診斷失敗: ${error.message}`);
+    } finally {
+        btn.disabled = false;
+        btn.style.opacity = '1';
+        msg.style.display = 'none';
+    }
+};
+
+function renderMerChart(channelName, histogramData) {
+    if (merChartInstance) {
+        merChartInstance.destroy();
+    }
+    const ctx = document.getElementById('merChart').getContext('2d');
+
+    if (!histogramData || Object.keys(histogramData).length === 0) {
+        merChartInstance = new Chart(ctx, {
+            type: 'bar',
+            data: { labels: ['無資料'], datasets: [{ label: 'Subcarriers', data: [0] }] },
+            options: { responsive: true, maintainAspectRatio: false, plugins: { title: { display: true, text: '無法取得 MER 數據' } } }
+        });
+        return;
+    }
+
+    const labels = Object.keys(histogramData).sort((a, b) => parseInt(a) - parseInt(b));
+    const dataPoints = labels.map(label => histogramData[label]);
+
+    merChartInstance = new Chart(ctx, {
+        type: 'bar',
+        data: {
+            labels: labels.map(l => `${l} dB`),
+            datasets: [{
+                label: 'Subcarriers 數量',
+                data: dataPoints,
+                backgroundColor: 'rgba(155, 89, 182, 0.6)', 
+                borderColor: 'rgba(142, 68, 173, 1)',
+                borderWidth: 1,
+                borderRadius: 4,
+                hoverBackgroundColor: 'rgba(155, 89, 182, 0.9)'
+            }]
+        },
+        options: {
+            responsive: true,
+            maintainAspectRatio: false,
+            scales: {
+                y: {
+                    beginAtZero: true,
+                    title: { display: true, text: 'Subcarriers 數量', font: { weight: 'bold' } },
+                    grid: { color: '#ecf0f1' }
+                },
+                x: {
+                    title: { display: true, text: 'MER (dB)', font: { weight: 'bold' } },
+                    grid: { display: false }
+                }
+            },
+            plugins: {
+                title: {
+                    display: true,
+                    text: `顯示中頻道: ${channelName}`,
+                    font: { size: 15, weight: 'bold' },
+                    color: '#2c3e50'
+                },
+                legend: { display: false },
+                tooltip: {
+                    backgroundColor: 'rgba(44, 62, 80, 0.9)',
+                    titleFont: { size: 14 },
+                    bodyFont: { size: 14 },
+                    padding: 10,
+                    callbacks: {
+                        label: function(context) {
+                            return ` ${context.raw} 個 Subcarriers`;
+                        }
+                    }
+                }
+            }
+        }
+    });
+}
+
 // ============================================================================
 // 🌟 4. 選項快取與背景掃描 (Cache & Background Scanning)
 // ============================================================================

static/mac-domain.js

@@ -18,34 +18,45 @@ export async function loadMacDomainList() {
     const connInfo = getGlobalConnectionInfo();
     if (!connInfo) return;
 
-    const mdSelect = document.getElementById('cfgMacDomain');
+    const mdInput = document.getElementById('cfgMacDomain');
+    const mdDatalist = document.getElementById('mac-domain-list');
     const statusSpan = document.getElementById('fetchStatus');
 
-    mdSelect.innerHTML = '<option value="">⏳ 查詢設備中...</option>';
+    // 載入前：鎖定輸入框並更改提示
+    mdInput.disabled = true;
+    mdInput.value = '';
+    mdInput.placeholder = '⏳ 查詢設備中...';
+    if (mdDatalist) mdDatalist.innerHTML = '';
+
     statusSpan.textContent = "正在自動抓取現有 MAC Domain 清單...";
     statusSpan.style.color = "#f39c12";
 
     try {
         const result = await apiGetMacDomainList(connInfo.host, connInfo.user, connInfo.pass);
         if (result.status === 'success' && result.data.length > 0) {
-            mdSelect.innerHTML = ''; 
+            // 載入成功：將資料塞入 datalist
+            if (mdDatalist) {
                 result.data.forEach(md => {
                     const option = document.createElement('option');
                     option.value = md;
-                option.textContent = md;
+                    mdDatalist.appendChild(option);
-                mdSelect.appendChild(option);
                 });
+            }
+            mdInput.placeholder = '例: 13:0/0.0 (可下拉或輸入)';
             statusSpan.textContent = "✅ 清單抓取成功！請選擇目標並點擊讀取配置。";
             statusSpan.style.color = "#27ae60";
         } else {
-            mdSelect.innerHTML = '<option value="">❌ 找不到資料</option>';
+            mdInput.placeholder = '❌ 找不到資料';
             statusSpan.textContent = "無法解析清單，請確認設備狀態。";
             statusSpan.style.color = "#e74c3c";
         }
     } catch (error) {
-        mdSelect.innerHTML = '<option value="">❌ 連線錯誤</option>';
+        mdInput.placeholder = '❌ 連線錯誤';
         statusSpan.textContent = "連線失敗：" + error;
         statusSpan.style.color = "#e74c3c";
+    } finally {
+        // 載入結束：解鎖輸入框
+        mdInput.disabled = false;
     }
 }
 

static/style.css

@@ -115,10 +115,11 @@ button:hover { background-color: #3498db; }
 .task-form.active { display: block; animation: fadeIn 0.3s ease-in-out; }
 
 /* 網格系統：高空間利用率 */
-.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 15px; justify-content: start; }
+.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; margin-bottom: 15px; justify-content: start; }
 .form-row { display: flex; flex-direction: column; gap: 4px; }
 .form-row label { font-size: 12px; font-weight: bold; color: #34495e; }
 .form-row input[type="text"], .form-row select { width: 100%; box-sizing: border-box; padding: 6px 8px; background-color: #f8f9fa; border: 1px solid #cbd5e1; border-radius: 4px; font-size: 13px; }
+.form-row select { padding-right: 30px; text-overflow: ellipsis; } /* 🌟 確保下拉箭頭有足夠空間，不會遮擋文字 */
 .form-row input[type="text"]:focus, .form-row select:focus { outline: none; border-color: #2980b9; background-color: #fff; }
 
 /* 表單底部操作區 */

static/terminal.js

@@ -73,6 +73,12 @@ export function connectWebSocket(resetCallback) {
         document.getElementById('cmtsUser').disabled = true;
         document.getElementById('cmtsPass').disabled = true;
         term.focus();
+
+        // 🌟 新增：連線成功後，自動觸發一次查詢任務的 change 事件，讓背景預載 Datalist
+        const queryTaskSelect = document.getElementById('queryTask');
+        if (queryTaskSelect) {
+            queryTaskSelect.dispatchEvent(new Event('change'));
+        }
     };
 
     ws.onmessage = (event) => {