added voice functionality and increased avatar size

frontend/css/style.css

@@ -845,9 +845,20 @@ tr:hover td {
 /* ── Avatar ───────────────────────────────────────────────────────── */
 .avatar-container {
   position: relative;
-  width: 72px;
-  height: 72px;
+  width: 120px;
+  height: 120px;
   flex-shrink: 0;
+  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
+}
+
+.avatar-container.speaking {
+  transform: scale(1.05);
+}
+
+.avatar-container.speaking .avatar-ring {
+  border-color: var(--accent);
+  box-shadow: 0 0 20px var(--accent-glow);
+  animation: avatarSpeakPulse 1.2s infinite;
 }
 
 .avatar-ring {
@@ -1199,4 +1210,21 @@ tr:hover td {
   color: var(--text-muted);
   opacity: 0.6;
   font-family: monospace;
+}
+
+@keyframes avatarSpeakPulse {
+  0% {
+    transform: scale(1);
+    opacity: 0.8;
+  }
+
+  50% {
+    transform: scale(1.15);
+    opacity: 0.4;
+  }
+
+  100% {
+    transform: scale(1);
+    opacity: 0.8;
+  }
 }