fixes for mac music

src/core/application/ApplicationManager.cpp

@@ -558,16 +558,20 @@ bool ApplicationManager::initializeGame() {
     Audio::instance().init();
     // Discover available tracks (up to 100) and queue for background loading
     m_totalTracks = 0;
+    std::vector<std::string> trackPaths;
+    trackPaths.reserve(100);
     for (int i = 1; i <= 100; ++i) {
-        char buf[128];
-        std::snprintf(buf, sizeof(buf), "assets/music/music%03d.mp3", i);
-        // Use simple file existence check via std::filesystem
-        if (std::filesystem::exists(buf)) {
-            Audio::instance().addTrackAsync(buf);
-            ++m_totalTracks;
-        } else {
+        char base[128];
+        std::snprintf(base, sizeof(base), "assets/music/music%03d", i);
+        std::string path = AssetPath::resolveWithExtensions(base, { ".mp3" });
+        if (path.empty()) {
             break;
         }
+        trackPaths.push_back(path);
+    }
+    m_totalTracks = static_cast<int>(trackPaths.size());
+    for (const auto& path : trackPaths) {
+        Audio::instance().addTrackAsync(path);
     }
     if (m_totalTracks > 0) {
         Audio::instance().startBackgroundLoading();

src/core/assets/AssetManager.cpp

@@ -208,27 +208,14 @@ bool AssetManager::loadSoundEffectWithFallback(const std::string& id, const std:
         return false;
     }
 
-    // Try WAV first, then MP3 fallback (matching main.cpp pattern)
-    std::string wavPath = "assets/music/" + baseName + ".wav";
-    std::string mp3Path = "assets/music/" + baseName + ".mp3";
-
-    // Check WAV first
-    if (fileExists(wavPath)) {
-        if (m_soundSystem->loadSound(id, wavPath)) {
-            logInfo("Loaded sound effect: " + id + " from " + wavPath + " (WAV)");
-            return true;
-        }
+    const std::string basePath = "assets/music/" + baseName;
+    std::string resolved = AssetPath::resolveWithExtensions(basePath, { ".wav", ".mp3" });
+    if (!resolved.empty() && m_soundSystem->loadSound(id, resolved)) {
+        logInfo("Loaded sound effect: " + id + " from " + resolved);
+        return true;
     }
 
-    // Fallback to MP3
-    if (fileExists(mp3Path)) {
-        if (m_soundSystem->loadSound(id, mp3Path)) {
-            logInfo("Loaded sound effect: " + id + " from " + mp3Path + " (MP3 fallback)");
-            return true;
-        }
-    }
-
-    setError("Failed to load sound effect: " + id + " (tried both WAV and MP3)");
+    setError("Failed to load sound effect: " + id + " (no supported audio extension found)");
     return false;
 }