refactor: 重构文件存储路径并清理冗余代码

- 将项目文件存储从 public/uploads 迁移至项目根目录专用目录
- 更新所有前端页面的路径提示文本与API请求路径
- 移除冗余的列车详情展开收起功能及相关代码
- 重构服务器端文件路径处理逻辑，增强路径访问安全性
- 清理旧注释和未使用的变量与函数

CloudServer/public/generator.html

@@ -1251,7 +1251,7 @@
 
         async function loadList() {
             try {
-                const res = await fetch('/api/files/content?path=uploads/list.txt');
+                const res = await fetch('/api/files/content?path=list.txt');
                 const data = await res.json();
                 listData = [];
                 if (data.success && data.content) {
@@ -1418,7 +1418,7 @@
                     method: 'POST',
                     headers: {'Content-Type': 'application/json'},
                     body: JSON.stringify({
-                        path: 'uploads/list.txt',
+                        path: 'list.txt',
                         content: content + '\n'
                     })
                 });

CloudServer/public/index.html

@@ -857,7 +857,6 @@
         // --- State ---
         let allFiles = [];
         let currentPath = 'root';
-        let expandedTrains = new Set();
         let stationCodeMap = {};
         let broadcastingStations = new Set();
 
@@ -951,101 +950,26 @@
                 if (!state.activeTrains || state.activeTrains.length === 0) list.innerHTML = '<div style="padding:20px;text-align:center;color:var(--text-muted);font-size:0.8rem">No active trains</div>';
 
                 state.activeTrains.forEach(tr => {
-                    const isExpanded = expandedTrains.has(tr.trainId);
                     const div = document.createElement('div');
                     div.className = 'status-item';
-
-                    let detailsHtml = '';
-                    if (tr.tripLogs && tr.tripLogs.length > 0) {
-                        detailsHtml = tr.tripLogs.map(log => {
-                            const time = new Date(log.time).toLocaleTimeString();
-                            const stCode = stationCodeMap[log.station] || log.station;
-                            return `
-                            <div class="trip-log">
-                                <span>${time}</span>
-                                <span>${stCode}</span>
-                                <span>${log.action}</span>
-                            </div>
-                        `;
-                        }).join('');
-                    } else {
-                        detailsHtml = '<div style="font-style:italic">No trip history</div>';
-                    }
-
                     const currentStCode = stationCodeMap[tr.currentStation] || tr.currentStation || '-';
 
-                div.innerHTML = `
-                    <div class="status-main" onclick="toggleTrain('${tr.trainId}')">
+                    div.innerHTML = `
+                    <div class="status-main">
                         <div class="item-info">
                             <div class="item-title">${tr.trainId}</div>
-                            <div class="item-sub">${currentStCode}</div>
+                            <div class="item-sub">${currentStCode} <span style="margin-left:8px;color:var(--text-muted)">${tr.status || '-'}</span></div>
                         </div>
                         <div style="display:flex;align-items:center;gap:10px">
                             <div class="status-dot ${tr.status === 'At Station' ? 'dot-online' : 'dot-warn'}"></div>
-                            <div style="color:var(--text-muted)">${isExpanded ? ICONS.chevronUp : ICONS.chevronDown}</div>
-                        </div>
-                    </div>
-                    <div class="status-details ${isExpanded ? 'open' : ''}" id="details-${tr.trainId}">
-                        <div style="margin-bottom:8px;font-weight:600">Trip Logs</div>
-                        ${detailsHtml}
-                        <div style="margin-top:10px;text-align:right">
-                             <button class="btn-icon" onclick="event.stopPropagation(); deleteTrain('${tr.trainId}')" style="display:inline-flex">${ICONS.trash}</button>
+                            <button class="btn-icon" onclick="deleteTrain('${tr.trainId}')" style="display:inline-flex">${ICONS.trash}</button>
                         </div>
                     </div>
                 `;
                     list.appendChild(div);
                 });
-
-                // Network Statistics
-                const statsDiv = document.createElement('div');
-                statsDiv.className = 'status-item';
-                const isStatsExpanded = expandedTrains.has('__STATS__');
-
-                let statsHtml = '<div style="padding:10px;text-align:center;color:var(--text-muted)">No data</div>';
-                if (state.travelTimes) {
-                    const keys = Object.keys(state.travelTimes).sort();
-                    if (keys.length > 0) {
-                        statsHtml = keys.map(key => {
-                            const times = state.travelTimes[key];
-                            const [from, to] = key.split('|');
-                            const fromCode = stationCodeMap[from] || from;
-                            const toCode = stationCodeMap[to] || to;
-                            const avg = Math.ceil(times.reduce((a, b) => a + b, 0) / times.length);
-                            return `
-                            <div class="trip-log">
-                                <span>${fromCode} &rarr; ${toCode}</span>
-                                <span style="text-align:right; color:var(--success)">${avg}s</span>
-                                <span style="text-align:right; font-size:0.75em; opacity:0.7">(${times.length})</span>
-                            </div>
-                        `;
-                        }).join('');
-                    }
-                }
-
-                statsDiv.innerHTML = `
-                <div class="status-main" onclick="toggleTrain('__STATS__')" style="background:var(--bg-body); border-top:1px solid var(--bg-border)">
-                    <div class="item-info">
-                        <div class="item-title" style="font-size:0.85rem; color:var(--text-muted)">NETWORK STATISTICS</div>
-                    </div>
-                    <div style="display:flex;align-items:center;gap:10px">
-                         <button class="btn-icon" onclick="event.stopPropagation(); deleteStats()" style="display:inline-flex" title="Clear Statistics">${ICONS.trash}</button>
-                         <div style="color:var(--text-muted)">${isStatsExpanded ? ICONS.chevronUp : ICONS.chevronDown}</div>
-                    </div>
-                </div>
-                <div class="status-details ${isStatsExpanded ? 'open' : ''}" id="details-__STATS__">
-                    <div style="display:grid; grid-template-columns: 1fr 40px 30px; gap:10px; margin-bottom:5px; font-weight:600; font-size:0.75rem; color:var(--text-muted)">
-                        <span>ROUTE</span>
-                        <span style="text-align:right">AVG</span>
-                        <span style="text-align:right">CNT</span>
-                    </div>
-                    ${statsHtml}
-                </div>
-            `;
-                list.appendChild(statsDiv);
             }
         }
-    
-        /* Removed separate Travel Times renderer */
         
         function showRadioStream() {
             document.getElementById('file-manager-view').style.display = 'none';
@@ -1120,18 +1044,6 @@
             });
         }
 
-        function toggleTrain(id) {
-            if (expandedTrains.has(id)) expandedTrains.delete(id);
-            else expandedTrains.add(id);
-            // We need to re-render to update icons/state, but since state updates often, 
-            // just toggling the DOM element is smoother until next update
-            const details = document.getElementById(`details-${id}`);
-            if (details) {
-                details.classList.toggle('open');
-                // Force re-render on next update will respect the Set
-            }
-        }
-
         function addLog(logText) {
             const container = document.getElementById('console-logs');
             const div = document.createElement('div');
@@ -1334,14 +1246,6 @@
             await fetch(`/api/trains/${encodeURIComponent(id)}`, { method: 'DELETE' });
         }
 
-        async function deleteStats() {
-            if (!confirm('Are you sure you want to clear all network travel time statistics?')) return;
-            const res = await fetch('/api/stats', { method: 'DELETE' });
-            const data = await res.json();
-            if (data.success) showToast('Success', 'Network statistics cleared');
-            else showToast('Error', data.message);
-        }
-
         function triggerUpload() {
             if (currentPath === 'config') document.getElementById('upload-config').click();
             else if (currentPath === 'general') document.getElementById('upload-general').click();

CloudServer/public/infoboard.html

@@ -184,19 +184,6 @@
             background: var(--bg-hover);
         }
 
-        .train-details {
-            display: none;
-            background: rgba(0, 0, 0, 0.2);
-            padding: 12px 20px;
-            font-size: 0.8rem;
-            color: var(--text-muted);
-            border-top: 1px solid var(--bg-border);
-        }
-
-        .train-details.open {
-            display: block;
-        }
-
         .trip-log {
             display: grid;
             grid-template-columns: 80px 1fr auto;
@@ -380,7 +367,6 @@
         };
 
         // --- State ---
-        let expandedTrains = new Set();
         let stationCodeMap = {};
         let broadcastingStations = new Set();
         let messageLog = [];
@@ -526,27 +512,8 @@
                     list.innerHTML = '<div style="padding:40px;text-align:center;color:var(--text-muted);font-size:0.8rem">暂无活跃列车</div>';
                 } else {
                     state.activeTrains.forEach(tr => {
-                        const isExpanded = expandedTrains.has(tr.trainId);
                         const div = document.createElement('div');
                         div.className = 'status-item train-item';
-                        div.onclick = () => toggleTrain(tr.trainId);
-
-                        let detailsHtml = '';
-                        if (tr.tripLogs && tr.tripLogs.length > 0) {
-                            detailsHtml = tr.tripLogs.slice().reverse().map(log => {
-                                const time = new Date(log.time).toLocaleTimeString();
-                                const stCode = stationCodeMap[log.station] || log.station;
-                                return `
-                                    <div class="trip-log">
-                                        <span>${time}</span>
-                                        <span style="color:var(--text-primary)">${stCode}</span>
-                                        <span style="color:${log.action === 'Arrival' ? 'var(--success)' : 'var(--warning)'}">${log.action === 'Arrival' ? '到达' : '出发'}</span>
-                                    </div>
-                                `;
-                            }).join('');
-                        } else {
-                            detailsHtml = '<div style="font-style:italic">暂无运行历史</div>';
-                        }
 
                         const currentStCode = stationCodeMap[tr.currentStation] || tr.currentStation || '-';
                         const statusColor = tr.status === 'At Station' ? 'var(--success)' : 'var(--warning)';
@@ -556,13 +523,9 @@
                                 <div style="display:flex; justify-content:space-between; align-items:center;">
                                     <div class="item-info">
                                         <div class="item-title">${tr.trainId} <span style="font-size:0.7rem; color:var(--text-muted); font-weight:normal; margin-left:8px;">${tr.destination || '未知终点'}</span></div>
-                                        <div class="item-sub">${currentStCode} <span style="color:${statusColor}; margin-left:8px;">${tr.status === 'At Station' ? '在站' : '运行中'}</span></div>
+                                        <div class="item-sub">${currentStCode} <span style="color:${statusColor}; margin-left:8px;">${tr.status === 'At Station' ? '在站' : (tr.status === 'Departed' ? '已发车' : '运行中')}</span></div>
                                     </div>
-                                    <div style="color:var(--text-muted)">${isExpanded ? ICONS.chevronUp : ICONS.chevronDown}</div>
-                                </div>
-                                <div class="train-details ${isExpanded ? 'open' : ''}" id="details-${tr.trainId}">
-                                    <div style="margin-bottom:8px;font-weight:600;font-size:0.7rem;text-transform:uppercase;color:var(--text-muted)">运行日志 (Trip Logs)</div>
-                                    ${detailsHtml}
+                                    <div class="status-dot ${tr.status === 'At Station' ? 'dot-online' : 'dot-warn'}"></div>
                                 </div>
                             </div>
                         `;
@@ -572,15 +535,6 @@
         }
     }
 
-        function toggleTrain(id) {
-            if (expandedTrains.has(id)) expandedTrains.delete(id);
-            else expandedTrains.add(id);
-            const details = document.getElementById(`details-${id}`);
-            if (details) {
-                details.classList.toggle('open');
-            }
-        }
-
         function updateStationDots() {
             const dots = document.querySelectorAll('[id^="station-dot-"]');
             dots.forEach(dot => {

CloudServer/public/listmanager.html

@@ -397,7 +397,7 @@
     </div>
 
     <div class="panel">
-      <div class="panel-subtitle">对 uploads/list.txt 进行增删改；每条记录格式：站号==音频文件1,音频文件2,... (支持多个站号用 / 分隔)</div>
+      <div class="panel-subtitle">对 /opt/CC-StationBroadcast/list.txt 进行增删改；每条记录格式：站号==音频文件1,音频文件2,... (支持多个站号用 / 分隔)</div>
       <div class="toolbar">
         <button class="btn" onclick="openAddModal()">添加</button>
         <div style="display:flex; gap:10px; flex-wrap:wrap;">
@@ -545,7 +545,7 @@
     }
 
     async function loadList() {
-      const res = await fetch('/api/files/content?path=uploads/list.txt');
+      const res = await fetch('/api/files/content?path=list.txt');
       const data = await res.json();
       listData = [];
       if (data.success && data.content) {
@@ -704,7 +704,7 @@
         const res = await fetch('/api/files/content', {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ path: 'uploads/list.txt', content: content + '\n' })
+          body: JSON.stringify({ path: 'list.txt', content: content + '\n' })
         });
         const data = await res.json();
         if (!data.success) throw new Error(data.message || 'Save failed');

CloudServer/public/music.html

@@ -180,7 +180,7 @@
                 <span class="badge" id="track_badge">未选择</span>
             </div>
 
-            <label for="track_select">选择音乐（来自 uploads/audio/general）</label>
+            <label for="track_select">选择音乐（来自 /opt/CC-StationBroadcast/Audio/general）</label>
             <div class="row" style="margin-top:0">
                 <select id="track_select" onchange="onTrackChange()" style="flex:1; min-width: 200px;"></select>
                 <button class="btn" onclick="loadTracks()">刷新</button>
@@ -316,7 +316,7 @@
                 if (tracks.length === 0) {
                     sel.innerHTML = '<option value="">（无可用音频）</option>';
                     onTrackChange();
-                    setStatus("没有可用音频（请上传到 uploads/audio/general）");
+                    setStatus("没有可用音频（请上传到 /opt/CC-StationBroadcast/Audio/general）");
                     return;
                 }
                 sel.appendChild(new Option("请选择…", ""));
@@ -433,4 +433,3 @@
     </script>
 </body>
 </html>
-

CloudServer/public/tempbroadcast.html

@@ -206,7 +206,7 @@
             </div>
 
             <div class="hint" id="hint_area">
-                需要服务端已存在 lsts.wav（建议放在 uploads/audio/general/lsts.wav）。点击“合成”会自动中文 TTS 并拼接生成临时广播，随后可发布到所选站台。
+                需要服务端已存在 lsts.wav（建议放在 /opt/CC-StationBroadcast/Audio/general/lsts.wav）。点击“合成”会自动中文 TTS 并拼接生成临时广播，随后可发布到所选站台。
             </div>
 
             <div id="preview_area" style="margin-top:12px; display:none;">

CloudServer/server.js

@@ -1,3 +1,4 @@
+
 const express = require('express');
 const http = require('http');
 const WebSocket = require('ws');
@@ -27,6 +28,7 @@ const STABROADCAST_HLS_SUFFIX = process.env.STABROADCAST_HLS_SUFFIX || '.m3u8';
 const HLS_TAIL_SILENCE_SEC = Number(process.env.HLS_TAIL_SILENCE_SEC || '0');
 const HLS_PREBUILD = process.env.HLS_PREBUILD !== '0';
 
+const appRootDir = path.resolve(__dirname, '..');
 const tmpDir = path.join(__dirname, 'tmp');
 if (!fs.existsSync(tmpDir)) fs.mkdirSync(tmpDir, { recursive: true });
 const silence1sWavPath = path.join(tmpDir, 'silence-1s.wav');
@@ -34,13 +36,15 @@ const silence1sWavPath = path.join(tmpDir, 'silence-1s.wav');
 const localHlsDir = path.join(__dirname, 'public', 'hls');
 if (!fs.existsSync(localHlsDir)) fs.mkdirSync(localHlsDir, { recursive: true });
 
-// Ensure upload directories exist
 const uploadDir = path.join(__dirname, 'public', 'uploads');
-const audioGeneralDir = path.join(uploadDir, 'audio', 'general');
-const audioStationDir = path.join(uploadDir, 'audio', 'station');
-const tempBroadcastDir = path.join(uploadDir, 'temp-broadcast');
+const audioRootDir = path.join(appRootDir, 'Audio');
+const audioGeneralDir = path.join(audioRootDir, 'general');
+const audioStationDir = path.join(audioRootDir, 'station');
+const listFilePath = path.join(appRootDir, 'list.txt');
+const tempBroadcastDir = path.join(appRootDir, 'temp-broadcast');
 
 if (!fs.existsSync(uploadDir)) fs.mkdirSync(uploadDir, { recursive: true });
+if (!fs.existsSync(audioRootDir)) fs.mkdirSync(audioRootDir, { recursive: true });
 if (!fs.existsSync(audioGeneralDir)) fs.mkdirSync(audioGeneralDir, { recursive: true });
 if (!fs.existsSync(audioStationDir)) fs.mkdirSync(audioStationDir, { recursive: true });
 if (!fs.existsSync(tempBroadcastDir)) fs.mkdirSync(tempBroadcastDir, { recursive: true });
@@ -49,7 +53,7 @@ if (!fs.existsSync(tempBroadcastDir)) fs.mkdirSync(tempBroadcastDir, { recursive
 const storage = multer.diskStorage({
     destination: function (req, file, cb) {
         if (file.fieldname === 'listFile') {
-            cb(null, uploadDir);
+            cb(null, appRootDir);
         } else if (file.fieldname === 'generalAudioFiles') {
             cb(null, audioGeneralDir);
         } else if (file.fieldname === 'stationAudioFiles') {
@@ -83,7 +87,6 @@ app.set('view engine', 'ejs');
 
 // Data Store (In-memory)
 let stations = {};
-const stationRouteIndex = new Map();
 let activeTrains = [];
 let stationLogs = [];
 let audioVersion = String(Date.now());
@@ -177,21 +180,23 @@ function sendAudioControl(stationName, msg, fallbackWs) {
     }
 }
 
-async function sendDfpwmBufferToStation(stationName, fallbackWs, task) {
+async function sendAudioBufferToStation(stationName, fallbackWs, task) {
     const targetWs = getStationWs(stationName, fallbackWs);
     if (!targetWs) throw new Error(`Station "${stationName}" not connected`);
 
     const audioId = String(task.audioId || `${Date.now()}-${Math.random().toString(16).slice(2)}`);
     const buf = task.buffer;
-    const durationSec = buf.length / 6000;
+    const durationSec = Number(task.durationSec || 0);
+    const audioFormat = String(task.audioFormat || 'dfpwm').toLowerCase();
 
     const startMsg = {
         type: 'audio_start',
         stationName,
         audioId,
         byteLength: buf.length,
-        sampleRate: 48000,
-        channels: 1,
+        sampleRate: Number(task.sampleRate || 48000),
+        channels: Number(task.channels || 1),
+        audioFormat,
         priority: Number(task.priority || 0),
         interruptMode: task.interruptMode || getInterruptModeForPriority(Number(task.priority || 0)),
         source: task.source || 'unknown'
@@ -254,29 +259,73 @@ function listMusicTracks() {
     return Array.from(out).sort((a, b) => a.localeCompare(b));
 }
 
-function getDfpwmBufferByBaseName(baseName) {
+function getWavDurationSec(buffer) {
+    if (!Buffer.isBuffer(buffer) || buffer.length < 44) return 0;
+    if (buffer.toString('ascii', 0, 4) !== 'RIFF' || buffer.toString('ascii', 8, 12) !== 'WAVE') return 0;
+
+    let offset = 12;
+    let sampleRate = 0;
+    let channels = 0;
+    let bitsPerSample = 0;
+    let dataSize = 0;
+
+    while (offset + 8 <= buffer.length) {
+        const chunkId = buffer.toString('ascii', offset, offset + 4);
+        const chunkSize = buffer.readUInt32LE(offset + 4);
+        const dataOffset = offset + 8;
+        if (dataOffset + chunkSize > buffer.length) break;
+
+        if (chunkId === 'fmt ' && chunkSize >= 16) {
+            channels = buffer.readUInt16LE(dataOffset + 2);
+            sampleRate = buffer.readUInt32LE(dataOffset + 4);
+            bitsPerSample = buffer.readUInt16LE(dataOffset + 14);
+        } else if (chunkId === 'data') {
+            dataSize = chunkSize;
+            break;
+        }
+
+        offset = dataOffset + chunkSize + (chunkSize % 2);
+    }
+
+    if (!sampleRate || !channels || !bitsPerSample || !dataSize) return 0;
+    return dataSize / (sampleRate * channels * (bitsPerSample / 8));
+}
+
+function getPlaybackAudioByBaseName(baseName) {
     const base = normalizeBaseName(baseName);
     if (!base) throw new Error('Invalid track name');
 
+    const wavCandidates = [
+        path.join(audioGeneralDir, `${base}.wav`),
+        path.join(audioStationDir, `${base}.wav`)
+    ];
+    for (const p of wavCandidates) {
+        if (fs.existsSync(p)) {
+            const buffer = fs.readFileSync(p);
+            return {
+                buffer,
+                audioFormat: 'wav',
+                durationSec: getWavDurationSec(buffer) || 0
+            };
+        }
+    }
+
     const dfCandidates = [
         path.join(audioGeneralDir, `${base}.dfpwm`),
         path.join(audioStationDir, `${base}.dfpwm`)
     ];
     for (const p of dfCandidates) {
-        if (fs.existsSync(p)) return fs.readFileSync(p);
+        if (fs.existsSync(p)) {
+            const buffer = fs.readFileSync(p);
+            return {
+                buffer,
+                audioFormat: 'dfpwm',
+                durationSec: buffer.length / 6000
+            };
+        }
     }
 
-    const wavCandidates = [
-        path.join(audioGeneralDir, `${base}.wav`),
-        path.join(audioStationDir, `${base}.wav`)
-    ];
-    const wavPath = wavCandidates.find(p => fs.existsSync(p)) || null;
-    if (!wavPath) throw new Error(`Audio not found: ${base}`);
-
-    const dfpwmPath = wavPath.replace(/\.wav$/i, '.dfpwm');
-    if (!fs.existsSync(dfpwmPath)) convertToDfpwm(wavPath);
-    if (!fs.existsSync(dfpwmPath)) throw new Error(`DFPWM build failed: ${base}`);
-    return fs.readFileSync(dfpwmPath);
+    throw new Error(`Audio not found: ${base}`);
 }
 
 function stopStationMusic(stationName, fallbackWs) {
@@ -357,7 +406,7 @@ async function processStationAudioQueue(stationName, fallbackWs) {
 
             try {
                 if (task.consoleStreamStart) broadcastToConsole(task.consoleStreamStart);
-                const result = await sendDfpwmBufferToStation(cleanStation, fallbackWs, task);
+                const result = await sendAudioBufferToStation(cleanStation, fallbackWs, task);
                 if (task.consoleStreamEnd) {
                     if (result.cancelled) {
                         broadcastToConsole(task.consoleStreamEnd);
@@ -425,15 +474,42 @@ function normalizeVersionString(input) {
     return input;
 }
 
+function resolveManagedPath(inputPath) {
+    const normalized = String(inputPath || '').replace(/\\/g, '/').replace(/^\/+/, '').trim();
+    if (!normalized) return null;
+
+    if (normalized === 'list.txt' || normalized === 'uploads/list.txt') {
+        return { logicalPath: 'list.txt', fullPath: listFilePath };
+    }
+
+    const prefixes = [
+        { prefix: 'Audio/general/', baseDir: audioGeneralDir, logicalPrefix: 'Audio/general/' },
+        { prefix: 'uploads/audio/general/', baseDir: audioGeneralDir, logicalPrefix: 'Audio/general/' },
+        { prefix: 'Audio/station/', baseDir: audioStationDir, logicalPrefix: 'Audio/station/' },
+        { prefix: 'uploads/audio/station/', baseDir: audioStationDir, logicalPrefix: 'Audio/station/' }
+    ];
+
+    for (const entry of prefixes) {
+        if (!normalized.startsWith(entry.prefix)) continue;
+        const relativeName = normalized.slice(entry.prefix.length).trim();
+        if (!relativeName || relativeName.includes('/') || relativeName.includes('\\')) return null;
+        return {
+            logicalPath: `${entry.logicalPrefix}${relativeName}`,
+            fullPath: path.join(entry.baseDir, relativeName)
+        };
+    }
+
+    return null;
+}
+
 function getManagedFiles() {
     const files = [];
 
-    const configPath = path.join(uploadDir, 'list.txt');
-    if (fs.existsSync(configPath)) {
-        const stats = fs.statSync(configPath);
+    if (fs.existsSync(listFilePath)) {
+        const stats = fs.statSync(listFilePath);
         files.push({
             name: 'list.txt',
-            path: 'uploads/list.txt',
+            path: 'list.txt',
             type: 'config',
             size: stats.size,
             mtime: stats.mtimeMs
@@ -450,7 +526,7 @@ function getManagedFiles() {
             const stats = fs.statSync(filePath);
             files.push({
                 name: file,
-                path: `uploads/audio/general/${file}`,
+                path: `Audio/general/${file}`,
                 type: 'general',
                 size: stats.size,
                 mtime: stats.mtimeMs
@@ -468,7 +544,7 @@ function getManagedFiles() {
             const stats = fs.statSync(filePath);
             files.push({
                 name: file,
-                path: `uploads/audio/station/${file}`,
+                path: `Audio/station/${file}`,
                 type: 'station',
                 size: stats.size,
                 mtime: stats.mtimeMs
@@ -576,50 +652,15 @@ function normalizeStationPlatform(platform) {
     return value || '1';
 }
 
-function getStationRouteKeys(name, code, platform) {
-    const keys = [];
-    const normalizedCode = normalizeStationCode(code || getStationCodeFromName(name));
-    const normalizedPlatform = normalizeStationPlatform(platform || getPlatformNumberFromName(name));
-    const baseName = getBaseName(name);
-
-    if (normalizedCode) {
-        keys.push(`code:${normalizedCode}|platform:${normalizedPlatform}`);
-        keys.push(`code:${normalizedCode}`);
-    }
-    if (baseName) {
-        keys.push(`base:${baseName}|platform:${normalizedPlatform}`);
-        keys.push(`base:${baseName}`);
-    }
-    return [...new Set(keys)];
-}
-
-function unindexStation(station) {
-    if (!station) return;
-    const keys = Array.isArray(station.routeKeys) ? station.routeKeys : [];
-    for (const key of keys) {
-        const current = stationRouteIndex.get(key);
-        if (current && current.name === station.name) {
-            stationRouteIndex.delete(key);
-        }
-    }
-    station.routeKeys = [];
-}
-
-function indexStation(station) {
+function normalizeStationRecord(station) {
     if (!station || !station.name) return;
-    unindexStation(station);
     station.platform = normalizeStationPlatform(station.platform || getPlatformNumberFromName(station.name));
     station.code = normalizeStationCode(station.code || getStationCodeFromName(station.name)) || station.code || '';
-    station.routeKeys = getStationRouteKeys(station.name, station.code, station.platform);
-    for (const key of station.routeKeys) {
-        stationRouteIndex.set(key, station);
-    }
 }
 
 function refreshStationIndex() {
-    stationRouteIndex.clear();
     for (const station of Object.values(stations)) {
-        indexStation(station);
+        normalizeStationRecord(station);
     }
 }
 
@@ -767,6 +808,25 @@ function buildConcatListFile(seq) {
     return listPath;
 }
 
+function buildSequenceWavBuffer(seq) {
+    const listPath = buildConcatListFile(seq);
+    if (!listPath) return null;
+
+    const outWavPath = path.join(tmpDir, `sequence-${Date.now()}-${Math.random().toString(16).slice(2)}.wav`);
+    try {
+        execSync(`ffmpeg -hide_banner -loglevel error -y -f concat -safe 0 -i "${listPath}" -ac 1 -ar 48000 -c:a pcm_s16le "${outWavPath}"`);
+        const buffer = fs.readFileSync(outWavPath);
+        return {
+            buffer,
+            audioFormat: 'wav',
+            durationSec: getWavDurationSec(buffer) || 0
+        };
+    } finally {
+        try { fs.unlinkSync(listPath); } catch {}
+        try { fs.unlinkSync(outWavPath); } catch {}
+    }
+}
+
 function runFfmpegRtmpPush(streamName, seq) {
     const state = getOrCreateHlsStreamState(streamName);
     const listPath = buildConcatListFile(seq);
@@ -1197,7 +1257,7 @@ function handleHeartbeat(ws, data) {
                 lastSeen: Date.now(),
                 ws: ws
             };
-            indexStation(stations[cleanName]);
+            normalizeStationRecord(stations[cleanName]);
             log('INFO', `Station auto-registered via heartbeat: "${cleanName}"`);
             broadcastUpdate();
         } else {
@@ -1209,7 +1269,7 @@ function handleHeartbeat(ws, data) {
                 log('INFO', `Station WebSocket updated via heartbeat: "${cleanName}"`);
                 broadcastUpdate();
             }
-            indexStation(stations[cleanName]);
+            normalizeStationRecord(stations[cleanName]);
         }
     }
 }
@@ -1225,7 +1285,7 @@ function handleStationRegister(ws, data) {
         lastSeen: Date.now(),
         ws: ws // Keep reference if we need to send back
     };
-    indexStation(stations[cleanName]);
+    normalizeStationRecord(stations[cleanName]);
     
     log('SUCCESS', `Station registered: "${cleanName}" (${stationCode})`);
     
@@ -1255,24 +1315,15 @@ function handleTrainArrival(data) {
     const existingIndex = activeTrains.findIndex(t => getBaseTrainId(t.trainId) === baseId);
 
     // Create history entry
-    const historyEntry = {
-        station: stationName,
-        action: 'Arrival',
-        time: Date.now()
-    };
-
     let trainData = {
         trainId,
         currentStation: stationName,
         destination: destination || (existingIndex >= 0 ? activeTrains[existingIndex].destination : "Unknown"),
         status: "At Station",
         lastUpdate: Date.now(),
-        schedule: schedule || (existingIndex >= 0 ? activeTrains[existingIndex].schedule : null),
-        tripLogs: existingIndex >= 0 ? (activeTrains[existingIndex].tripLogs || []) : []
+        schedule: schedule || (existingIndex >= 0 ? activeTrains[existingIndex].schedule : null)
     };
     
-    trainData.tripLogs.push(historyEntry);
-    
     if (existingIndex >= 0) {
         activeTrains[existingIndex] = { ...activeTrains[existingIndex], ...trainData };
     } else {
@@ -1347,12 +1398,6 @@ function isFuzzyMatch(str, pattern) {
 function findStationByFlexibleName(targetName) {
     if (!targetName) return null;
 
-    const directKeys = getStationRouteKeys(targetName);
-    for (const key of directKeys) {
-        const station = stationRouteIndex.get(key);
-        if (station) return station;
-    }
-
     // 1. Try exact match
     if (stations[targetName]) return stations[targetName];
 
@@ -1385,20 +1430,13 @@ function handleTrainDeparture(data) {
     const existingIndex = activeTrains.findIndex(t => getBaseTrainId(t.trainId) === baseId);
     if (existingIndex >= 0) {
         const train = activeTrains[existingIndex];
-        train.status = "In Transit";
-        train.currentStation = "Transit (" + stationName + " -> " + (destination || "?") + ")";
+        train.status = "Departed";
+        train.currentStation = stationName;
         train.lastUpdate = Date.now();
         train.lastStation = stationName;
         train.departureTime = Date.now();
         train.destination = destination || train.destination;
         train.schedule = schedule || train.schedule;
-        
-        if (!train.tripLogs) train.tripLogs = [];
-        train.tripLogs.push({
-            station: stationName,
-            action: 'Departure',
-            time: Date.now()
-        });
     }
     broadcastUpdate();
 }
@@ -1412,52 +1450,8 @@ function handlePlaySequence(ws, data) {
 
     log('INFO', `Playing sequence for ${correctStation}: ${seq.join(', ')}`);
     
-    // Process files sequentially
-    let combinedBuffer = [];
-    for (const file of seq) {
-        if (file === '__DELAY_1__') {
-            const silence = Buffer.alloc(6000, 0xAA);
-            combinedBuffer.push(silence);
-            continue;
-        }
-        
-        let foundPath = null;
-        
-        const candidates = [
-            path.join(audioStationDir, `${file}.dfpwm`),
-            path.join(audioGeneralDir, `${file}.dfpwm`),
-            path.join(audioStationDir, `${file}.wav`),
-            path.join(audioGeneralDir, `${file}.wav`)
-        ];
-        
-        for (const p of candidates) {
-            if (fs.existsSync(p)) {
-                foundPath = p;
-                break;
-            }
-        }
-        
-        if (foundPath) {
-            let dfpwmPath = foundPath;
-            if (foundPath.endsWith('.wav')) {
-                dfpwmPath = foundPath.replace(/\.wav$/, '.dfpwm');
-                if (!fs.existsSync(dfpwmPath)) {
-                    convertToDfpwm(foundPath);
-                }
-            }
-            
-            if (fs.existsSync(dfpwmPath)) {
-                combinedBuffer.push(fs.readFileSync(dfpwmPath));
-            } else {
-                log('WARN', `Could not get DFPWM for: ${file}`);
-            }
-        } else {
-            log('WARN', `Audio missing on server: ${file}`);
-        }
-    }
-    
-    if (combinedBuffer.length > 0) {
-        const finalBuffer = Buffer.concat(combinedBuffer);
+    const builtAudio = buildSequenceWavBuffer(seq);
+    if (builtAudio) {
         const priority = Number.isFinite(Number(data.priority))
             ? Number(data.priority)
             : (String(data.category || '').toLowerCase() === 'station' ? 0 : 1);
@@ -1467,7 +1461,9 @@ function handlePlaySequence(ws, data) {
         const audioId = String(requestId || `${Date.now()}-${Math.random().toString(16).slice(2)}`);
 
         enqueueStationAudioTask(cleanStation, ws, {
-            buffer: finalBuffer,
+            buffer: builtAudio.buffer,
+            audioFormat: builtAudio.audioFormat,
+            durationSec: builtAudio.durationSec,
             priority,
             interruptMode,
             source,
@@ -1476,6 +1472,8 @@ function handlePlaySequence(ws, data) {
             consoleStreamStart: { type: 'stream_start', station: cleanStation, seq: seq, streamName, hlsUrl },
             consoleStreamEnd: { type: 'stream_end', station: cleanStation }
         });
+    } else {
+        log('WARN', `Unable to build WAV sequence for ${cleanStation}`);
     }
 }
 
@@ -1746,24 +1744,20 @@ app.delete('/api/files', (req, res) => {
     const filePath = req.query.path;
     if (!filePath) return res.status(400).json({ success: false, message: 'Path required' });
     
-    // Security check: prevent directory traversal
-    const safePath = path.normalize(filePath).replace(/^(\.\.[\/\\])+/, '');
-    const fullPath = path.join(__dirname, 'public', safePath);
-    
-    if (!fullPath.startsWith(uploadDir)) {
-        return res.status(403).json({ success: false, message: 'Invalid path' });
-    }
+    const resolved = resolveManagedPath(filePath);
+    if (!resolved) return res.status(403).json({ success: false, message: 'Invalid path' });
+    const { fullPath, logicalPath } = resolved;
     
     if (fs.existsSync(fullPath)) {
         try {
             fs.unlinkSync(fullPath);
-            log('INFO', `Deleted file: ${safePath}`);
+            log('INFO', `Deleted file: ${logicalPath}`);
             
             // Also try to delete counterpart (.dfpwm if .wav deleted, or vice versa)
-            if (safePath.endsWith('.wav')) {
+            if (logicalPath.endsWith('.wav')) {
                 const dfpwmPath = fullPath.replace(/\.wav$/, '.dfpwm');
                 if (fs.existsSync(dfpwmPath)) fs.unlinkSync(dfpwmPath);
-            } else if (safePath.endsWith('.dfpwm')) {
+            } else if (logicalPath.endsWith('.dfpwm')) {
                 const wavPath = fullPath.replace(/\.dfpwm$/, '.wav');
                 if (fs.existsSync(wavPath)) fs.unlinkSync(wavPath);
             }
@@ -1795,7 +1789,7 @@ app.post('/api/stations', express.json(), (req, res) => {
         platform: getPlatformNumberFromName(name),
         lastSeen: Date.now()
     };
-    indexStation(stations[name]);
+    normalizeStationRecord(stations[name]);
     saveData();
     broadcastUpdate();
     res.json({ success: true, station: { name, code, lastSeen: stations[name].lastSeen } });
@@ -1813,7 +1807,6 @@ app.put('/api/stations/:name', express.json(), (req, res) => {
     if (newName && newName !== name) {
         if (stations[newName]) return res.status(409).json({ success: false, message: 'New station name already exists' });
         stations[newName] = { ...st, name: newName };
-        unindexStation(stations[name]);
         delete stations[name];
         targetName = newName;
     }
@@ -1821,7 +1814,7 @@ app.put('/api/stations/:name', express.json(), (req, res) => {
     if (nextCode !== undefined) stations[targetName].code = nextCode;
     stations[targetName].platform = getPlatformNumberFromName(stations[targetName].name);
     stations[targetName].lastSeen = stations[targetName].lastSeen || Date.now();
-    indexStation(stations[targetName]);
+    normalizeStationRecord(stations[targetName]);
 
     saveData();
     broadcastUpdate();
@@ -1831,7 +1824,6 @@ app.put('/api/stations/:name', express.json(), (req, res) => {
 app.delete('/api/stations/:name', (req, res) => {
     const name = req.params.name;
     if (stations[name]) {
-        unindexStation(stations[name]);
         delete stations[name];
         log('INFO', `Deleted station: ${name}`);
         saveData();
@@ -1873,12 +1865,9 @@ app.get('/api/files/content', (req, res) => {
     const filePath = req.query.path;
     if (!filePath) return res.status(400).json({ success: false, message: 'Path required' });
     
-    const safePath = path.normalize(filePath).replace(/^(\.\.[\/\\])+/, '');
-    const fullPath = path.join(__dirname, 'public', safePath);
-    
-    if (!fullPath.startsWith(uploadDir)) {
-        return res.status(403).json({ success: false, message: 'Invalid path' });
-    }
+    const resolved = resolveManagedPath(filePath);
+    if (!resolved) return res.status(403).json({ success: false, message: 'Invalid path' });
+    const { fullPath } = resolved;
     
     if (fs.existsSync(fullPath)) {
         try {
@@ -1896,16 +1885,13 @@ app.post('/api/files/content', express.json(), (req, res) => {
     const { path: filePath, content } = req.body;
     if (!filePath || content === undefined) return res.status(400).json({ success: false, message: 'Missing parameters' });
     
-    const safePath = path.normalize(filePath).replace(/^(\.\.[\/\\])+/, '');
-    const fullPath = path.join(__dirname, 'public', safePath);
-    
-    if (!fullPath.startsWith(uploadDir)) {
-        return res.status(403).json({ success: false, message: 'Invalid path' });
-    }
+    const resolved = resolveManagedPath(filePath);
+    if (!resolved) return res.status(403).json({ success: false, message: 'Invalid path' });
+    const { fullPath, logicalPath } = resolved;
     
     try {
         fs.writeFileSync(fullPath, content, 'utf8');
-        log('INFO', `Updated file: ${safePath}`);
+        log('INFO', `Updated file: ${logicalPath}`);
         res.json({ success: true });
     } catch (e) {
         res.status(500).json({ success: false, message: e.message });
@@ -2171,18 +2157,12 @@ function buildTempBroadcastFromWav(prefixWavPath, contentWavPath) {
     ].join(';');
 
     execSync(`ffmpeg -hide_banner -loglevel error -y -i "${prefixWavPath}" -i "${contentWavPath}" -filter_complex "${filterComplex}" -map "[a]" -ac 1 -ar 48000 -c:a pcm_s16le "${outWavPath}"`);
-
-    convertToDfpwm(outWavPath);
-
-    const dfpwmPath = outWavPath.replace(/\.wav$/i, '.dfpwm');
-    if (!fs.existsSync(dfpwmPath)) throw new Error('DFPWM build failed');
-    const dfpwmBuf = fs.readFileSync(dfpwmPath);
-    const durationSec = dfpwmBuf.length / 6000;
+    const wavBuf = fs.readFileSync(outWavPath);
+    const durationSec = getWavDurationSec(wavBuf) || 0;
 
     return {
         broadcastId,
         wavPath: outWavPath,
-        dfpwmPath,
         durationSec
     };
 }
@@ -2254,10 +2234,10 @@ app.post('/api/temp-broadcast/publish', (req, res) => {
     if (urgency !== 'normal' && urgency !== 'emergency') return res.status(400).json({ success: false, message: 'Invalid urgency' });
 
     const wavPath = path.join(tempBroadcastDir, `temp_${broadcastId}.wav`);
-    const dfpwmPath = wavPath.replace(/\.wav$/i, '.dfpwm');
-    if (!fs.existsSync(dfpwmPath)) return res.status(404).json({ success: false, message: 'Temp broadcast not found (dfpwm)' });
+    if (!fs.existsSync(wavPath)) return res.status(404).json({ success: false, message: 'Temp broadcast not found (wav)' });
 
-    const dfpwmBuf = fs.readFileSync(dfpwmPath);
+    const wavBuf = fs.readFileSync(wavPath);
+    const durationSec = getWavDurationSec(wavBuf) || 0;
     const priority = urgency === 'emergency' ? 2 : 0;
     const interruptMode = urgency === 'emergency' ? 'all' : 'none';
     const source = urgency === 'emergency' ? 'temp_emergency' : 'temp_normal';
@@ -2277,7 +2257,9 @@ app.post('/api/temp-broadcast/publish', (req, res) => {
             continue;
         }
         enqueueStationAudioTask(name, ws, {
-            buffer: dfpwmBuf,
+            buffer: wavBuf,
+            audioFormat: 'wav',
+            durationSec,
             priority,
             interruptMode,
             source,
@@ -2305,9 +2287,9 @@ app.post('/api/music/start', express.json(), (req, res) => {
     if (!track) return res.status(400).json({ success: false, message: 'track required' });
     if (!Array.isArray(stationsReq) || stationsReq.length === 0) return res.status(400).json({ success: false, message: 'stations required' });
 
-    let dfpwmBuf;
+    let playbackAudio;
     try {
-        dfpwmBuf = getDfpwmBufferByBaseName(track);
+        playbackAudio = getPlaybackAudioByBaseName(track);
     } catch (e) {
         return res.status(404).json({ success: false, message: e?.message || String(e) });
     }
@@ -2338,7 +2320,9 @@ app.post('/api/music/start', express.json(), (req, res) => {
             }
 
             enqueueStationAudioTask(name, currentWs, {
-                buffer: dfpwmBuf,
+                buffer: playbackAudio.buffer,
+                audioFormat: playbackAudio.audioFormat,
+                durationSec: playbackAudio.durationSec,
                 priority: -1,
                 interruptMode: 'none',
                 source: 'music',

install_station_broadcast.lua

@@ -1,6 +1,4 @@
-local STATION_BROADCAST_URL = "https://cloud.fse-media.group/d/API/StationBroadcast/station_broadcast.lua?sign=xXsMwezjnEs4c6QrjkJkbvz1rARokmm87zwDcDDS5dk=:0"
-local AUKIT_URL = "https://cloud.fse-media.group/d/API/StationBroadcast/aukit.lua?sign=02_QDktYbSrHrtCDsFlKMkbEOWJGDautZaOtWkvg5q8=:0"
-local AUSTREAM_URL = "https://cloud.fse-media.group/d/API/StationBroadcast/austream.lua?sign=DrLbf9CIX1ZY8DaL8vliZiCMQzGos10nhG26Wf5lbgA=:0"
+local STATION_BROADCAST_URL = "https://gitea.fse-media.group/Henry_Du/CC-StationBroadcast/raw/commit/e4b4fa5cdb2bc42279fd87098fef0d27a90e23d5/station_broadcast.lua"
 
 local function fetch(url)
     if not http then
@@ -66,9 +64,7 @@ local function downloadTo(url, path)
 end
 
 local targets = {
-    { url = STATION_BROADCAST_URL, path = shell.resolve("/startup") },
-    { url = AUKIT_URL, path = shell.resolve("/aukit.lua") },
-    { url = AUSTREAM_URL, path = shell.resolve("/austream.lua") }
+    { url = STATION_BROADCAST_URL, path = shell.resolve("/startup") }
 }
 
 for _, t in ipairs(targets) do

station_broadcast-warning.lua

@@ -10,6 +10,8 @@ local COLORS = {
     SUCCESS = colors.green
 }
 
+local dfpwm = require "cc.audio.dfpwm"
+
 -- Debug output function
 local function debugPrint(level, message)
     local timestamp = os.date("%H:%M:%S")
@@ -21,6 +23,52 @@ local function debugPrint(level, message)
     term.setTextColor(oldColor)
 end
 
+local function playDfpwmFile(path, volume)
+    local speakers = { peripheral.find("speaker") }
+    if #speakers == 0 then
+        debugPrint("ERROR", "No speakers found")
+        return false
+    end
+
+    local file = fs.open(path, "rb")
+    if not file then
+        debugPrint("ERROR", "Cannot open audio file: " .. path)
+        return false
+    end
+
+    local decoder = dfpwm.make_decoder()
+    local controller = speakers[1]
+    while true do
+        local chunk = file.read(16 * 1024)
+        if not chunk then break end
+        local samples = decoder(chunk)
+
+        if controller and type(controller.playAudioAll) == "function" then
+            while not controller.playAudioAll(samples, volume) do
+                os.pullEvent("speaker_audio_empty")
+            end
+        else
+            local pending = {}
+            for _, sp in ipairs(speakers) do
+                pending[peripheral.getName(sp)] = sp
+            end
+            while next(pending) do
+                for name, sp in pairs(pending) do
+                    if sp.playAudio(samples, volume) then
+                        pending[name] = nil
+                    end
+                end
+                if next(pending) then
+                    os.pullEvent("speaker_audio_empty")
+                end
+            end
+        end
+    end
+
+    file.close()
+    return true
+end
+
 -- Add random audio playback function
 local function playRandomAudio()
     local audioFiles = {"aqtx", "jzxy"}
@@ -29,7 +77,7 @@ local function playRandomAudio()
     
     if fs.exists(path) then
         debugPrint("INFO", "Attempting to play: "..path)
-        shell.run("austream "..path.." volume=3.0")
+        playDfpwmFile(path, 3.0)
         debugPrint("INFO", "Finished playing: "..randomFile)
     else
         debugPrint("ERROR", "Audio file not found: "..path)

station_broadcast.lua

@@ -14,7 +14,7 @@ local CONFIG = {
     DEBUG = true
 }
 
-local aukit = require "aukit"
+local dfpwm = require "cc.audio.dfpwm"
 
 local COLORS = {
     INFO = colors.white,
@@ -527,12 +527,14 @@ end
 
 function Audio.enqueueDfpwm(dfpwmData)
     if type(dfpwmData) ~= "string" or #dfpwmData == 0 then return end
-    Audio.enqueueItem({ dfpwmData = dfpwmData, priority = 1 })
+    Audio.enqueueItem({ audioData = dfpwmData, audioFormat = "dfpwm", priority = 1 })
 end
 
 function Audio.enqueueItem(item)
     if type(item) ~= "table" then return end
-    if type(item.dfpwmData) ~= "string" and type(item.dfpwmData) ~= "table" then return end
+    item.audioData = item.audioData or item.dfpwmData
+    item.audioFormat = tostring(item.audioFormat or (item.dfpwmData and "dfpwm") or "dfpwm"):lower()
+    if type(item.audioData) ~= "string" and type(item.audioData) ~= "table" then return end
     item.priority = tonumber(item.priority) or 0
     local idx = 1
     while idx <= #State.audioQueue do
@@ -578,6 +580,19 @@ local function shouldStop(playSeq)
     return State.interruptSeq ~= playSeq
 end
 
+local function waitForInterruptibleDelay(playSeq, seconds)
+    local timer = os.startTimer(seconds)
+    while true do
+        local ev = { os.pullEvent() }
+        if ev[1] == "audio_interrupt" and tonumber(ev[2]) and tonumber(ev[2]) >= playSeq then
+            return false
+        end
+        if ev[1] == "timer" and ev[2] == timer then
+            return true
+        end
+    end
+end
+
 local function playChunkOnSpeakers(samples, volume, playSeq)
     if not Peripherals.speakers or #Peripherals.speakers == 0 then return false end
     local controller = Peripherals.speakers[1]
@@ -639,6 +654,82 @@ local function playChunkOnSpeakers(samples, volume, playSeq)
     return true
 end
 
+local function areHqSpeakersBusy(speakers)
+    for _, sp in ipairs(speakers) do
+        local playing = false
+        local queued = 0
+        pcall(function()
+            if type(sp.speakIsPlaying) == "function" then
+                playing = sp.speakIsPlaying() and true or false
+            end
+            if type(sp.speakQueueSize) == "function" then
+                queued = tonumber(sp.speakQueueSize()) or 0
+            end
+        end)
+        if playing or queued > 0 then return true end
+    end
+    return false
+end
+
+local function playHqAudioItem(item)
+    if not Peripherals.speakers or #Peripherals.speakers == 0 then
+        Utils.log("WARN", "No speakers found; cannot play audio")
+        return
+    end
+
+    local playSeq = State.interruptSeq
+    local payload = item.audioData
+    if type(payload) ~= "string" or #payload == 0 then return end
+
+    local format = tostring(item.audioFormat or "file"):lower()
+    local controller = Peripherals.speakers[1]
+    local called = false
+
+    if controller then
+        local ok, result = pcall(function()
+            if format == "wav" and type(controller.speakWavAll) == "function" then
+                return controller.speakWavAll(payload, CONFIG.AUDIO_VOLUME)
+            elseif type(controller.speakFileAll) == "function" then
+                return controller.speakFileAll(payload, CONFIG.AUDIO_VOLUME)
+            end
+        end)
+        if ok and result ~= false then
+            called = true
+        end
+    end
+
+    if not called then
+        for _, sp in ipairs(Peripherals.speakers) do
+            local ok, result = pcall(function()
+                if format == "wav" and type(sp.speakWav) == "function" then
+                    return sp.speakWav(payload, CONFIG.AUDIO_VOLUME)
+                elseif type(sp.speakFile) == "function" then
+                    return sp.speakFile(payload, CONFIG.AUDIO_VOLUME)
+                end
+            end)
+            if ok and result ~= false then
+                called = true
+            end
+        end
+    end
+
+    if not called then
+        Utils.log("ERROR", "HQ speaker API not available for format " .. format)
+        return
+    end
+
+    while areHqSpeakersBusy(Peripherals.speakers) do
+        if shouldStop(playSeq) then
+            Audio.stop("current")
+            return
+        end
+        if not waitForInterruptibleDelay(playSeq, 0.1) then
+            Audio.stop("current")
+            return
+        end
+    end
+end
+
 function Audio.playDfpwmItem(item)
     if not Peripherals.speakers or #Peripherals.speakers == 0 then
         Utils.log("WARN", "No speakers found; cannot play audio")
@@ -646,25 +737,44 @@ function Audio.playDfpwmItem(item)
     end
     
     local playSeq = State.interruptSeq
-    local source = item.dfpwmData
+    local source = item.audioData
     
     -- Support both static string data and streaming functions
     if type(source) == "table" and source.read then
         source = source.read
     end
 
-    local ok, iter = pcall(aukit.stream.dfpwm, source, 48000, 1, false)
-    if not ok then
-        Utils.log("ERROR", "Failed to create audio stream: " .. tostring(iter))
-        return
+    if type(source) ~= "function" then
+        local data = source
+        source = function()
+            local chunk = data
+            data = nil
+            return chunk
+        end
     end
 
-    for chunk in iter do
+    local decoder = dfpwm.make_decoder()
+    while true do
         if shouldStop(playSeq) then break end
-        if not playChunkOnSpeakers(chunk[1], CONFIG.AUDIO_VOLUME, playSeq) then break end
+        local chunk = source()
+        if chunk == nil then break end
+        if type(chunk) == "string" and #chunk > 0 then
+            local samples = decoder(chunk)
+            if samples and not playChunkOnSpeakers(samples, CONFIG.AUDIO_VOLUME, playSeq) then
+                break
+            end
+        end
     end
 end
 
+function Audio.playItem(item)
+    local format = tostring(item.audioFormat or "dfpwm"):lower()
+    if format == "wav" or format == "file" then
+        return playHqAudioItem(item)
+    end
+    return Audio.playDfpwmItem(item)
+end
+
 function Audio.playerLoop()
     while true do
         if #State.audioQueue == 0 then
@@ -674,7 +784,7 @@ function Audio.playerLoop()
             State.currentPlaying = item
             State.currentPriority = tonumber(item.priority) or 0
             
-            local ok, err = pcall(Audio.playDfpwmItem, item)
+            local ok, err = pcall(Audio.playItem, item)
             if not ok then
                 Utils.log("ERROR", "Audio Playback Crash: " .. tostring(err))
             end
@@ -927,6 +1037,23 @@ function Network.syncFiles()
 end
 
 function Network.messageLoop()
+    local function finishAudioRx()
+        if not State.audioRx then return end
+        local rx = State.audioRx
+        if rx.stream then
+            rx.stream.finish()
+        else
+            Audio.enqueueItem({
+                audioData = table.concat(rx.chunks or {}),
+                audioFormat = rx.audioFormat or "wav",
+                priority = rx.priority,
+                source = rx.source,
+                audioId = rx.audioId
+            })
+        end
+        State.audioRx = nil
+    end
+
     while true do
         local event, url, msg = os.pullEvent()
         if event == "websocket_message" and url == CONFIG.CLOUD_URL then
@@ -937,6 +1064,7 @@ function Network.messageLoop()
                         pcall(State.audioRx.stream.finish)
                     end
                     local priority = tonumber(data.priority) or 0
+                    local audioFormat = tostring(data.audioFormat or "dfpwm"):lower()
                     local interruptMode = tostring(data.interruptMode or "")
                     if interruptMode == "" then
                         if priority >= 2 then interruptMode = "all"
@@ -950,27 +1078,31 @@ function Network.messageLoop()
                         Audio.stop("current", priority)
                     end
 
-                    local stream = Audio.createStream()
                     State.audioRx = {
                         audioId = data.audioId,
                         expectedBytes = tonumber(data.byteLength) or 0,
                         receivedBytes = 0,
-                        stream = stream,
                         priority = priority,
-                        source = data.source or data.category
+                        source = data.source or data.category,
+                        audioFormat = audioFormat
                     }
                     
-                    -- Start playing immediately by enqueuing the stream
-                    Audio.enqueueItem({
-                        dfpwmData = stream,
-                        priority = priority,
-                        source = State.audioRx.source,
-                        audioId = data.audioId
-                    })
+                    if audioFormat == "dfpwm" then
+                        local stream = Audio.createStream()
+                        State.audioRx.stream = stream
+                        Audio.enqueueItem({
+                            audioData = stream,
+                            audioFormat = audioFormat,
+                            priority = priority,
+                            source = State.audioRx.source,
+                            audioId = data.audioId
+                        })
+                    else
+                        State.audioRx.chunks = {}
+                    end
                 elseif data.type == "audio_end" then
                     if State.audioRx and (not data.audioId or data.audioId == State.audioRx.audioId) then
-                        State.audioRx.stream.finish()
-                        State.audioRx = nil
+                        finishAudioRx()
                     end
                 elseif data.type == "audio_stop" then
                     local scope = tostring(data.scope or "")
@@ -1001,14 +1133,19 @@ function Network.messageLoop()
                         -- Memory protection: limit to 10MB per audio item
                         if State.audioRx.receivedBytes + #msg > 10 * 1024 * 1024 then
                             Utils.log("ERROR", "Audio item too large, discarding")
-                            State.audioRx.stream.finish()
+                            if State.audioRx.stream then
+                                State.audioRx.stream.finish()
+                            end
                             State.audioRx = nil
                         else
-                            State.audioRx.stream.push(msg)
+                            if State.audioRx.stream then
+                                State.audioRx.stream.push(msg)
+                            else
+                                table.insert(State.audioRx.chunks, msg)
+                            end
                             State.audioRx.receivedBytes = State.audioRx.receivedBytes + #msg
                             if State.audioRx.expectedBytes > 0 and State.audioRx.receivedBytes >= State.audioRx.expectedBytes then
-                                State.audioRx.stream.finish()
-                                State.audioRx = nil
+                                finishAudioRx()
                             end
                         end
                     end

update_station_broadcast.lua

@@ -1,6 +1,4 @@
-local STATION_BROADCAST_URL = "https://cloud.fse-media.group/d/API/StationBroadcast/station_broadcast.lua?sign=xXsMwezjnEs4c6QrjkJkbvz1rARokmm87zwDcDDS5dk=:0"
-local AUKIT_URL = "https://cloud.fse-media.group/d/API/StationBroadcast/aukit.lua?sign=02_QDktYbSrHrtCDsFlKMkbEOWJGDautZaOtWkvg5q8=:0"
-local AUSTREAM_URL = "https://cloud.fse-media.group/d/API/StationBroadcast/austream.lua?sign=DrLbf9CIX1ZY8DaL8vliZiCMQzGos10nhG26Wf5lbgA=:0"
+local STATION_BROADCAST_URL = "https://gitea.fse-media.group/Henry_Du/CC-StationBroadcast/raw/commit/e4b4fa5cdb2bc42279fd87098fef0d27a90e23d5/station_broadcast.lua"
 
 local function fetch(url)
     if not http then
@@ -66,9 +64,7 @@ local function downloadTo(url, path)
 end
 
 local targets = {
-    { url = STATION_BROADCAST_URL, path = shell.resolve("/startup") },
-    { url = AUKIT_URL, path = shell.resolve("/aukit.lua") },
-    { url = AUSTREAM_URL, path = shell.resolve("/austream.lua") }
+    { url = STATION_BROADCAST_URL, path = shell.resolve("/startup") }
 }
 
 for _, t in ipairs(targets) do