feat: achievement name in toast, parse earned achievements, loot item tooltips

- Parse SMSG_ALL_ACHIEVEMENT_DATA on login to populate earnedAchievements_ set
- Pass achievement name through callback so toast shows name instead of ID
- Add renderItemTooltip(ItemQueryResponseData) overload for loot/non-inventory contexts
- Loot window now shows full item tooltip on hover (stats, sell price, bind type, etc.)

src/core/application.cpp

@@ -2335,9 +2335,9 @@ void Application::setupUICallbacks() {
     });
 
     // Achievement earned callback — show toast banner
-    gameHandler->setAchievementEarnedCallback([this](uint32_t achievementId) {
+    gameHandler->setAchievementEarnedCallback([this](uint32_t achievementId, const std::string& name) {
         if (uiManager) {
-            uiManager->getGameScreen().triggerAchievementToast(achievementId);
+            uiManager->getGameScreen().triggerAchievementToast(achievementId, name);
         }
     });