add video to livekit calls

src/app.css

@@ -400,7 +400,7 @@ progress[value]::-webkit-progress-value {
   transition: width 0.5s;
 }
 
-/* content width for fixed elements */
+/* Anchors for fixed overlays (compose, search, reply) — main scroll lives in Page / PageContent flow */
 
 .left-content {
   @apply md:left-[calc(18.5rem+var(--sail))];
@@ -415,7 +415,7 @@ body.keyboard-open .hide-on-keyboard {
 /* chat view */
 
 .chat__compose {
-  @apply z-compose relative mb-14 grow md:mb-0;
+  @apply relative z-compose mb-14 shrink-0 md:mb-0;
 }
 
 .chat__compose .chat__compose-inner {