diff --git a/apps/web/src/components/ChatView.tsx b/apps/web/src/components/ChatView.tsx
index 1fe19f6bc2f2..fd071725b043 100644
--- a/apps/web/src/components/ChatView.tsx
+++ b/apps/web/src/components/ChatView.tsx
@@ -2542,7 +2542,6 @@ export default function ChatView(props: ChatViewProps) {
       return {
         id: `project-clone:${projectId}`,
         variant: "info",
-        compact: true,
         priority: "activity",
         icon: <DownloadIcon />,
         title: `Cloning ${name}`,
@@ -2566,7 +2565,6 @@ export default function ChatView(props: ChatViewProps) {
     return {
       id: `project-clone:${projectId}`,
       variant: cancelled ? "warning" : "error",
-      compact: true,
       icon: <DownloadIcon />,
       title: cancelled ? `Cancelled cloning ${name}` : `Failed to clone ${name}`,
       description: cancelled ? "Retry to bring in the repository." : activeProjectClone.error,
diff --git a/apps/web/src/components/chat/ComposerBanner.tsx b/apps/web/src/components/chat/ComposerBanner.tsx
index cbcb58897157..317c2136da87 100644
--- a/apps/web/src/components/chat/ComposerBanner.tsx
+++ b/apps/web/src/components/chat/ComposerBanner.tsx
@@ -183,17 +183,15 @@ function Row({
   layout = "inline",
   ...props
 }: useRender.ComponentProps<"div"> & {
-  layout?: "inline" | "wrap-actions" | "wrap-actions-narrow" | "approval";
+  layout?: "inline" | "wrap-actions" | "approval";
 }) {
   const rowProps = {
     className: cn(
       "group/banner-row grid min-h-(--composer-banner-icon-column) w-full min-w-0 grid-cols-[var(--composer-banner-icon-column)_minmax(0,1fr)_auto] items-center gap-x-1 text-start",
       "not-has-[>[data-slot=composer-banner-actions]]:grid-cols-[var(--composer-banner-icon-column)_minmax(0,1fr)]",
       "[&:is(button)]:cursor-pointer [&:is(button)]:rounded-md [&:is(button)]:focus-visible:outline-2 [&:is(button)]:focus-visible:-outline-offset-2 [&:is(button)]:focus-visible:outline-ring",
-      layout === "wrap-actions" &&
-        "@max-[400px]:*:data-[slot=composer-banner-content]:min-h-(--composer-banner-icon-column)",
-      layout === "wrap-actions-narrow" &&
-        "@max-[320px]:*:data-[slot=composer-banner-content]:min-h-(--composer-banner-icon-column)",
+      // Actions share the title row while the title fits and move below it otherwise.
+      layout === "wrap-actions" && "flex flex-wrap *:data-[slot=composer-banner-content]:grow",
       layout === "approval" && "items-start gap-x-2 gap-y-3",
       className,
     ),
@@ -257,8 +255,7 @@ function Actions({ className, ...props }: ComponentProps<"span">) {
       className={cn(
         "col-start-3 row-start-1 flex flex-wrap items-center justify-end gap-1",
         "group-data-[composer-banner-layout=approval]/banner-row:self-center group-data-[composer-banner-layout=approval]/banner-row:gap-1.5 @max-[560px]:group-data-[composer-banner-layout=approval]/banner-row:col-start-2 @max-[560px]:group-data-[composer-banner-layout=approval]/banner-row:col-end-4 @max-[560px]:group-data-[composer-banner-layout=approval]/banner-row:row-start-2",
-        "@max-[400px]:group-data-[composer-banner-layout=wrap-actions]/banner-row:has-[>:nth-child(2)]:col-start-2 @max-[400px]:group-data-[composer-banner-layout=wrap-actions]/banner-row:has-[>:nth-child(2)]:col-end-4 @max-[400px]:group-data-[composer-banner-layout=wrap-actions]/banner-row:has-[>:nth-child(2)]:row-start-2 @max-[400px]:group-data-[composer-banner-layout=wrap-actions]/banner-row:has-[>:nth-child(2)]:justify-end",
-        "@max-[320px]:group-data-[composer-banner-layout=wrap-actions-narrow]/banner-row:has-[>:nth-child(2)]:col-start-2 @max-[320px]:group-data-[composer-banner-layout=wrap-actions-narrow]/banner-row:has-[>:nth-child(2)]:col-end-4 @max-[320px]:group-data-[composer-banner-layout=wrap-actions-narrow]/banner-row:has-[>:nth-child(2)]:row-start-2 @max-[320px]:group-data-[composer-banner-layout=wrap-actions-narrow]/banner-row:has-[>:nth-child(2)]:-ms-2 @max-[320px]:group-data-[composer-banner-layout=wrap-actions-narrow]/banner-row:has-[>:nth-child(2)]:justify-start",
+        "group-data-[composer-banner-layout=wrap-actions]/banner-row:ms-auto",
         className,
       )}
       {...props}
diff --git a/apps/web/src/components/chat/ComposerBannerStack.tsx b/apps/web/src/components/chat/ComposerBannerStack.tsx
index ff66869a9ec8..df69e60c8faf 100644
--- a/apps/web/src/components/chat/ComposerBannerStack.tsx
+++ b/apps/web/src/components/chat/ComposerBannerStack.tsx
@@ -13,7 +13,6 @@ export interface ComposerBannerStackItem {
   readonly id: string;
   readonly variant: ComposerBannerVariant;
   readonly priority?: "urgent" | "activity" | "notice";
-  readonly compact?: boolean;
   readonly icon: ReactNode;
   readonly title: ReactNode;
   readonly description?: ReactNode;
@@ -250,7 +249,7 @@ export function ComposerBannerStack({ className, items, attachedAbove }: Compose
 }
 
 /** Keep full descriptions reachable only when their inline copy is clipped. */
-function NoticeDescription({ children, compact }: { children: ReactNode; compact?: boolean }) {
+function NoticeDescription({ children }: { children: ReactNode }) {
   const descriptionRef = useRef<HTMLSpanElement>(null);
   const detailsRef = useRef<HTMLButtonElement>(null);
   const [showDetails, setShowDetails] = useState(false);
@@ -283,13 +282,10 @@ function NoticeDescription({ children, compact }: { children: ReactNode; compact
   }, []);
 
   return (
-    <span className={compact ? "contents" : "flex min-w-8 flex-1 items-center gap-1"}>
+    <span className="contents">
       <span
         ref={descriptionRef}
-        className={cn(
-          "min-w-0 truncate text-muted-foreground",
-          compact && "shrink-[9999] @max-[400px]:sr-only",
-        )}
+        className="w-0 min-w-0 grow truncate text-muted-foreground @max-[400px]:sr-only"
       >
         {children}
       </span>
@@ -354,17 +350,13 @@ function ComposerBannerStackAlert({
       variant={item.variant}
       density="comfortable"
     >
-      <ComposerBanner.Row layout={item.compact ? "wrap-actions-narrow" : "wrap-actions"}>
+      <ComposerBanner.Row layout="wrap-actions">
         <ComposerBanner.Icon className="h-(--composer-banner-icon-column) self-start">
           {item.icon}
         </ComposerBanner.Icon>
         <ComposerBanner.Content className="whitespace-nowrap">
           <span className="min-w-0 truncate font-medium leading-7 sm:leading-6">{item.title}</span>
-          {item.description ? (
-            <NoticeDescription compact={item.compact ?? false}>
-              {item.description}
-            </NoticeDescription>
-          ) : null}
+          {item.description ? <NoticeDescription>{item.description}</NoticeDescription> : null}
         </ComposerBanner.Content>
         {item.actions || item.onDismiss ? (
           <ComposerBanner.Actions>