feat(音乐链接): 统一使用 TuneHub 格式的音乐页面链接

将网易云和QQ音乐的原始链接替换为 TuneHub 格式的统一链接
在同步任务中优先获取歌曲元数据，避免显示原始URL
增加日志输出以帮助调试链接解析过程

backend/src/handler/playlists.js

@@ -30,7 +30,7 @@ function normalizeTunehubPlaylist(playlistId, detail) {
             duration: 0,
             album: item.album || '',
             cover,
-            pageUrl: `https://music.163.com/song?id=${item.id}`,
+            pageUrl: `https://music-dl.sayqz.com/?source=netease&id=${item.id}`,
             playUrl: item.url || '',
             isBlocked,
             isCloud: false,

backend/src/handler/songs.js

@@ -7,11 +7,12 @@ function buildPageUrl(source, songId) {
     if (!source || !songId) {
         return '';
     }
+    // 使用 TuneHub 格式的页面 URL
     if (source === 'netease') {
-        return `https://music.163.com/song?id=${songId}`;
+        return `https://music-dl.sayqz.com/?source=${source}&id=${songId}`;
     }
     if (source === 'qq') {
-        return `https://y.qq.com/n/ryqq/songDetail/${songId}`;
+        return `https://music-dl.sayqz.com/?source=${source}&id=${songId}`;
     }
     return '';
 }

backend/src/handler/sync_jobs.js

@@ -64,15 +64,31 @@ async function createJob(req, res) {
 
         let meta = {};
         const songId = request.urlJob && request.urlJob.meta.songId ? request.urlJob.meta.songId : "";
-    
+
+        // 先从 TuneHub 获取歌曲信息，避免显示原始 URL
         if (request.urlJob.meta && (request.urlJob.meta.songName !== "" && request.urlJob.meta.artist !== "")) {
             meta = {
                 songName: request.urlJob.meta.songName,
                 artist: request.urlJob.meta.artist,
                 album : request.urlJob.meta.album ? request.urlJob.meta.album : "",
             };
+        } else {
+            // 没有前端元数据，先获取歌曲信息
+            logger.info(`[sync_jobs] No meta provided, fetching song info from URL: ${url}`);
+            const songInfo = await require('../service/media_fetcher').getMetaWithUrl(url);
+            if (songInfo && songInfo.songName) {
+                meta = {
+                    songName: songInfo.songName,
+                    artist: songInfo.artist || "",
+                    album: songInfo.album || "",
+                };
+                logger.info(`[sync_jobs] Fetched song info: ${meta.songName} - ${meta.artist}`);
+            } else {
+                logger.warn(`[sync_jobs] Failed to fetch song info from URL, will use URL as fallback`);
+                meta.songName = url; // 备用方案
+            }
         }
-    
+
         if (songId) {
             const songFromWyCloud = await findTheBestMatchFromWyCloud(req.account.uid, {
                 songName: meta.songName,
@@ -90,7 +106,7 @@ async function createJob(req, res) {
             }
             meta.songFromWyCloud = songFromWyCloud;
         }
-    
+
         // create job
         const args = `${jobType}: {"url":${url}}`;
         if (await JobManager.findActiveJobByArgs(uid, args)) {
@@ -108,7 +124,7 @@ async function createJob(req, res) {
                 tip: `等待${operation}`,
                 createdAt: Date.now()
             });
-    
+
             // async job
             syncSingleSongWithUrl(req.account.uid, url, meta, jobId, jobType).then(async ret => {
                 await JobManager.updateJob(uid, jobId, {