Fix typing indicator composer positioning (#512)

Co-authored-by: Cursor <cursoragent@cursor.com>

desktop/src/features/channels/ui/ChannelPane.tsx

@@ -357,14 +357,6 @@ export const ChannelPane = React.memo(function ChannelPane({
         ) : (
           <div className="pointer-events-none absolute inset-x-0 bottom-0 z-10">
             <div className="pointer-events-auto">
-              {hasTypingActivity ? (
-                <TypingIndicatorRow
-                  channel={activeChannel}
-                  currentPubkey={currentPubkey}
-                  profiles={profiles}
-                  typingPubkeys={typingPubkeys}
-                />
-              ) : null}
               <MessageComposer
                 channelId={activeChannel?.id ?? null}
                 channelName={activeChannel?.name ?? "channel"}
@@ -395,6 +387,17 @@ export const ChannelPane = React.memo(function ChannelPane({
                 }
                 showTopBorder={false}
               />
+              <div className="h-6 bg-background">
+                {hasTypingActivity ? (
+                  <TypingIndicatorRow
+                    channel={activeChannel}
+                    className="px-4 pb-1 pt-0 sm:px-6"
+                    currentPubkey={currentPubkey}
+                    profiles={profiles}
+                    typingPubkeys={typingPubkeys}
+                  />
+                ) : null}
+              </div>
             </div>
           </div>
         )}

desktop/src/features/messages/ui/MessageComposer.tsx

@@ -544,7 +544,7 @@ export function MessageComposer({
   return (
     <footer
       className={cn(
-        "relative shrink-0 bg-transparent px-4 pb-4 pt-0",
+        "relative shrink-0 bg-transparent px-4 pb-2 pt-0",
         showTopBorder ? "border-t border-border/40 pt-3" : "",
       )}
     >
@@ -554,7 +554,7 @@ export function MessageComposer({
       />
       <div className="relative mx-auto flex w-full max-w-4xl flex-col gap-3">
         <form
-          className="relative isolate rounded-2xl border border-border/50 bg-background/70 px-3 py-3 shadow-[0_4px_24px_rgba(0,0,0,0.08)] backdrop-blur-xl supports-[backdrop-filter]:bg-background/55 dark:shadow-[0_4px_24px_rgba(0,0,0,0.35)] sm:px-4"
+          className="relative isolate rounded-2xl border border-border/50 bg-background/70 px-3 pb-2 pt-3 shadow-[0_4px_24px_rgba(0,0,0,0.08)] backdrop-blur-xl supports-[backdrop-filter]:bg-background/55 dark:shadow-[0_4px_24px_rgba(0,0,0,0.35)] sm:px-4"
           data-testid="message-composer"
           onDragOver={media.handleDragOver}
           onDrop={(e) => {

desktop/src/features/messages/ui/MessageThreadPanel.tsx

@@ -192,7 +192,7 @@ export function MessageThreadPanel({
           onScroll={syncScrollState}
           ref={threadBodyRef}
         >
-          <div className="pb-8" ref={contentRef}>
+          <div className="pb-10" ref={contentRef}>
             <div className="px-3 pb-1 pt-0" data-testid="message-thread-head">
               <div className="rounded-2xl">
                 <MessageRow
@@ -273,7 +273,7 @@ export function MessageThreadPanel({
         </div>
 
         {!isAtBottom ? (
-          <div className="pointer-events-none absolute inset-x-0 bottom-32 z-20 flex justify-center px-4">
+          <div className="pointer-events-none absolute inset-x-0 bottom-36 z-20 flex justify-center px-4">
             <Button
               className="pointer-events-auto h-7 min-h-7 gap-1.5 rounded-full border-border/50 bg-background/85 px-2.5 text-[11px] font-medium text-muted-foreground shadow-sm backdrop-blur-sm hover:bg-muted/70 hover:text-foreground [&_svg]:size-3.5"
               data-testid="thread-scroll-to-latest"
@@ -292,12 +292,6 @@ export function MessageThreadPanel({
 
         <div className="pointer-events-none absolute inset-x-0 bottom-0 z-10">
           <div className="pointer-events-auto">
-            <TypingIndicatorRow
-              channel={channel}
-              currentPubkey={currentPubkey}
-              profiles={profiles}
-              typingPubkeys={threadTypingPubkeys}
-            />
             <MessageComposer
               channelId={channelId}
               channelName={channelName}
@@ -315,6 +309,17 @@ export function MessageThreadPanel({
               typingParentEventId={threadHead.id}
               typingRootEventId={threadHead.rootId}
             />
+            <div className="h-6 bg-background">
+              {threadTypingPubkeys.length > 0 ? (
+                <TypingIndicatorRow
+                  channel={channel}
+                  className="px-4 pb-1 pt-0 sm:px-6"
+                  currentPubkey={currentPubkey}
+                  profiles={profiles}
+                  typingPubkeys={threadTypingPubkeys}
+                />
+              ) : null}
+            </div>
           </div>
         </div>
       </aside>

desktop/src/features/messages/ui/MessageTimeline.tsx

@@ -133,7 +133,7 @@ export const MessageTimeline = React.memo(function MessageTimeline({
           ref={scrollContainerRef}
         >
           <div
-            className="mx-auto flex w-full max-w-4xl flex-col gap-2 pb-8 pt-14"
+            className="mx-auto flex w-full max-w-4xl flex-col gap-2 pb-10 pt-14"
             ref={contentRef}
           >
             <div ref={topSentinelRef} aria-hidden className="h-px" />
@@ -197,7 +197,7 @@ export const MessageTimeline = React.memo(function MessageTimeline({
         </div>
 
         {!isAtBottom ? (
-          <div className="pointer-events-none absolute inset-x-0 bottom-32 z-20 flex justify-center px-4">
+          <div className="pointer-events-none absolute inset-x-0 bottom-36 z-20 flex justify-center px-4">
             <Button
               className="pointer-events-auto h-7 min-h-7 gap-1.5 rounded-full border-border/50 bg-background/85 px-2.5 text-[11px] font-medium text-muted-foreground shadow-sm backdrop-blur-sm hover:bg-muted/70 hover:text-foreground [&_svg]:size-3.5"
               data-testid="message-scroll-to-latest"

desktop/src/features/messages/ui/TypingIndicatorRow.tsx

@@ -6,9 +6,11 @@ import {
 } from "@/features/profile/lib/identity";
 import { ProfileAvatar } from "@/features/profile/ui/ProfileAvatar";
 import type { Channel } from "@/shared/api/types";
+import { cn } from "@/shared/lib/cn";
 
 type TypingIndicatorRowProps = {
   channel: Channel | null;
+  className?: string;
   currentPubkey?: string;
   profiles?: UserProfileLookup;
   typingPubkeys: string[];
@@ -48,6 +50,7 @@ function formatTypingLabel(names: string[]) {
 
 export function TypingIndicatorRow({
   channel,
+  className,
   currentPubkey,
   profiles,
   typingPubkeys,
@@ -69,7 +72,7 @@ export function TypingIndicatorRow({
   return (
     <div
       aria-live="polite"
-      className="shrink-0 bg-transparent px-4 py-2 sm:px-6"
+      className={cn("shrink-0 bg-transparent px-4 py-2 sm:px-6", className)}
       {...(labels.length > 0
         ? { "data-testid": "message-typing-indicator" }
         : {})}