Play tavern music file on login screen

src/audio/music_manager.cpp

@@ -72,6 +72,33 @@ void MusicManager::playMusic(const std::string& mpqPath, bool loop) {
     }
 }
 
+void MusicManager::playFilePath(const std::string& filePath, bool loop) {
+    if (filePath.empty()) return;
+    if (filePath == currentTrack && playing) return;
+
+    stopCurrentProcess();
+
+    std::vector<std::string> args;
+    args.push_back("-nodisp");
+    args.push_back("-autoexit");
+    if (loop) {
+        args.push_back("-loop");
+        args.push_back("0");
+    }
+    args.push_back("-volume");
+    args.push_back("30");
+    args.push_back(filePath);
+
+    playerPid = platform::spawnProcess(args);
+    if (playerPid != INVALID_PROCESS) {
+        playing = true;
+        currentTrack = filePath;
+        LOG_INFO("Music: Playing file ", filePath);
+    } else {
+        LOG_ERROR("Music: Failed to spawn ffplay process");
+    }
+}
+
 void MusicManager::stopMusic(float fadeMs) {
     (void)fadeMs;  // ffplay doesn't support fade easily
     stopCurrentProcess();

src/ui/auth_screen.cpp

@@ -1,6 +1,10 @@
 #include "ui/auth_screen.hpp"
 #include "auth/crypto.hpp"
+#include "core/application.hpp"
 #include "core/logger.hpp"
+#include "rendering/renderer.hpp"
+#include "pipeline/asset_manager.hpp"
+#include "audio/music_manager.hpp"
 #include <imgui.h>
 #include <sstream>
 #include <fstream>
@@ -71,6 +75,23 @@ void AuthScreen::render(auth::AuthHandler& authHandler) {
         }
     }
 
+    if (!musicInitAttempted) {
+        musicInitAttempted = true;
+        auto& app = core::Application::getInstance();
+        auto* renderer = app.getRenderer();
+        auto* assets = app.getAssetManager();
+        if (renderer) {
+            auto* music = renderer->getMusicManager();
+            if (music && assets && assets->isInitialized() && !music->isInitialized()) {
+                music->initialize(assets);
+            }
+            if (music && !musicPlaying) {
+                music->playFilePath("assets/20-taverns.mp3", true);
+                musicPlaying = true;
+            }
+        }
+    }
+
     ImGui::SetNextWindowSize(ImVec2(500, 400), ImGuiCond_FirstUseEver);
     ImGui::Begin("WoW 3.3.5a Authentication", nullptr, ImGuiWindowFlags_NoCollapse);
 
@@ -197,6 +218,17 @@ void AuthScreen::render(auth::AuthHandler& authHandler) {
     ImGui::End();
 }
 
+void AuthScreen::stopLoginMusic() {
+    if (!musicPlaying) return;
+    auto& app = core::Application::getInstance();
+    auto* renderer = app.getRenderer();
+    if (!renderer) return;
+    auto* music = renderer->getMusicManager();
+    if (!music) return;
+    music->stopMusic(500.0f);
+    musicPlaying = false;
+}
+
 void AuthScreen::attemptAuth(auth::AuthHandler& authHandler) {
     // Validate inputs
     if (strlen(username) == 0) {

src/ui/ui_manager.cpp

@@ -97,30 +97,35 @@ void UIManager::render(core::AppState appState, auth::AuthHandler* authHandler,
             break;
 
         case core::AppState::REALM_SELECTION:
+            authScreen->stopLoginMusic();
             if (authHandler) {
                 realmScreen->render(*authHandler);
             }
             break;
 
         case core::AppState::CHARACTER_CREATION:
+            authScreen->stopLoginMusic();
             if (gameHandler) {
                 characterCreateScreen->render(*gameHandler);
             }
             break;
 
         case core::AppState::CHARACTER_SELECTION:
+            authScreen->stopLoginMusic();
             if (gameHandler) {
                 characterScreen->render(*gameHandler);
             }
             break;
 
         case core::AppState::IN_GAME:
+            authScreen->stopLoginMusic();
             if (gameHandler) {
                 gameScreen->render(*gameHandler);
             }
             break;
 
         case core::AppState::DISCONNECTED:
+            authScreen->stopLoginMusic();
             // Show disconnected message
             ImGui::SetNextWindowSize(ImVec2(400, 150), ImGuiCond_Always);
             ImGui::SetNextWindowPos(ImVec2(ImGui::GetIO().DisplaySize.x * 0.5f - 200,