feat(media_fetcher): 添加 TuneHub 作为主要音乐源并优化搜索逻辑

优先使用 TuneHub 进行音乐搜索，仅在失败时回退到 media-get
移除对 media-get 的强制依赖检查
添加更完善的错误处理逻辑

backend/src/init_app.js

@@ -5,8 +5,6 @@ const process = require('process');
 initDir();
 initAccountFileIfNotExisted();
 
-const mediaGet = require('./service/media_fetcher/media_get');
-
 function initDir() {
     // make sure all dir has been created
     const dirList = [
@@ -33,16 +31,7 @@ function initAccountFileIfNotExisted() {
 }
 
 module.exports = async function() {
-    // check if media-get is installed
-    const mediaGetInfo = await mediaGet.getMediaGetInfo();
-    if (mediaGetInfo === false) {
-        process.exit(-1);
-    }
-    if (!mediaGetInfo.hasInstallFFmpeg) {
-        logger.error('please install FFmpeg and FFprobe first');
-        process.exit(-1);
-    }
-    logger.info(`[media-get] Version: ${mediaGetInfo.versionInfo}`);
+    logger.info('Melody 服务启动成功，使用 TuneHub 作为主要音乐源');
 
-    // TODO check media-get latest version
+    // TODO: 可以在这里添加对 TuneHub 连接性的检查
 }

backend/src/service/media_fetcher/index.js

@@ -242,6 +242,36 @@ async function searchSongFromAllPlatform({
 
     const globalConfig = await configManager.getGlobalConfig();
 
+    // Try TuneHub first
+    const searchKeyword = keyword || `${songName} ${artist}`.trim();
+    if (searchKeyword) {
+        logger.info(`[searchSongFromAllPlatform] Using TuneHub to search: ${searchKeyword}`);
+        const tunehubResult = await require('../music_platform/tunehub').searchSongs(searchKeyword, {
+            aggregate: true,
+        });
+        if (tunehubResult && tunehubResult.result && tunehubResult.result.songs) {
+            logger.info(`[searchSongFromAllPlatform] TuneHub search success, found ${tunehubResult.result.songs.length} songs`);
+            return tunehubResult.result.songs.map(song => {
+                return {
+                    songName: song.name || '',
+                    artist: song.artist || '',
+                    album: song.album || '',
+                    duration: song.duration || 0,
+                    url: song.url || '',
+                    resourceForbidden: song.resourceForbidden || false,
+                    source: song.source || '',
+                    fromMusicPlatform: true,
+                    score: song.score || 0,
+                }
+            });
+        }
+        logger.warn(`[searchSongFromAllPlatform] TuneHub search failed or no results, will try media-get as fallback`);
+    } else {
+        logger.info(`[searchSongFromAllPlatform] No search keyword provided, using media-get`);
+    }
+
+    // Fallback to media-get only if TuneHub fails
+    logger.warn(`[searchSongFromAllPlatform] Falling back to media-get (may be unstable)`);
     let searchParams = keyword
         ? ['-k', `"${keyword}"`]
         : ['--searchSongName', `"${songName}"`, '--searchArtist', `"${artist}"`, '--searchAlbum', `"${album}"`];
@@ -255,6 +285,7 @@ async function searchSongFromAllPlatform({
 
     logger.info(`cmdStr: ${getBinPath()} ${searchParams.join(' ')}`);
 
+    try {
         const {code, message} = await cmd(getBinPath(), searchParams);
         logger.info('-------')
         logger.info(code);
@@ -269,7 +300,7 @@ async function searchSongFromAllPlatform({
         try {
             jsonResponse = JSON.parse(message);
         } catch (e) {
-        logger.error(e, message)
+            logger.error(`[searchSongFromAllPlatform] Failed to parse media-get response: ${e}`, message)
             return false;
         }
 
@@ -286,6 +317,10 @@ async function searchSongFromAllPlatform({
                 score: searchItem.Score,
             }
         })
+    } catch (error) {
+        logger.error(`[searchSongFromAllPlatform] media-get crashed or timed out`, error);
+        return false;
+    }
 }
 
 module.exports = {