refactor: Remove unused CSS animation code and optimize element search in SEQTA.ts

src/css/injected.scss

@@ -3032,22 +3032,4 @@ body:has(.outside-container:not(.hide)) #AddedSettings.tooltip:hover > .tooltipt
   background: var(--background-primary) !important;
   z-index: 1;
   padding: 10px;
-}
-
-li[data-message] {
-  animation: cubic-bezier(.22, .03, .26, 1) 1s fade-up-and-in;
-  animation-timeline: view(90% 0px) !important;
-}
-
-@keyframes fade-up-and-in {
-  0% {
-    opacity: 0;
-    transform: translateY(50px);
-    scale: 0.9;
-  }
-  100% {
-    opacity: 1;
-    transform: translateY(0);
-    scale: 1;
-  }
 }

src/seqta/utils/listeners/EventManager.ts

@@ -20,7 +20,7 @@ class EventManager {
   private listeners: Map<string, EventListener[]> = new Map();
   private mutationObservers: Map<Element, MutationObserver> = new Map();
   private pendingElements: Set<Element> = new Set();
-  private throttleTimeout: number = 5; // 5ms throttle
+  private throttleTimeout: number = 0; // 5ms throttle
   private throttleTimer: number | undefined;
   private chunkSize: number = 50; // Process 50 elements per chunk