diff --git a/apps/web/src/components/ChatView.tsx b/apps/web/src/components/ChatView.tsx
index 22e1ccd58e5f8f511572c950ec815861c11e4891..0141dd4903fc7b187473883354c5342a72b24c1d 100644
--- a/apps/web/src/components/ChatView.tsx
+++ b/apps/web/src/components/ChatView.tsx
@@ -7694,14 +7694,6 @@ function ChatViewContent(props: ChatViewProps) {
           />
         </WorkspacePageHeader>
 
-        <ThreadErrorBanner
-          error={visibleThreadError}
-          onDismiss={() => {
-            setThreadError(activeThread.id, null);
-            dismissThreadErrorBannerForSession(threadErrorBannerKey);
-            setThreadErrorBannerDismissTick((tick) => tick + 1);
-          }}
-        />
         {/* Main content area with optional plan sidebar */}
         <div className="flex min-h-0 min-w-0 flex-1">
           {/* Chat column */}
@@ -7727,13 +7719,21 @@ function ChatViewContent(props: ChatViewProps) {
                 </div>
               </div>
             ) : null}
-            {/* Provider status overlays the timeline without changing its content height. */}
-            <div className="pointer-events-none absolute inset-x-0 top-0 z-20">
+            {/* Banners overlay the timeline without changing its content height. */}
+            <div className="pointer-events-none absolute inset-x-0 top-0 z-20 flex flex-col">
               <ProviderStatusBanner
                 status={visibleProviderStatus}
                 onDismiss={() => setDismissedProviderStatusBannerKey(providerStatusBannerKey)}
                 onOpenProviderSetup={openProviderSetup}
               />
+              <ThreadErrorBanner
+                error={visibleThreadError}
+                onDismiss={() => {
+                  setThreadError(activeThread.id, null);
+                  dismissThreadErrorBannerForSession(threadErrorBannerKey);
+                  setThreadErrorBannerDismissTick((tick) => tick + 1);
+                }}
+              />
             </div>
             {/* Messages Wrapper */}
             <div className="relative flex min-h-0 flex-1 flex-col">
diff --git a/apps/web/src/components/chat/ThreadErrorBanner.tsx b/apps/web/src/components/chat/ThreadErrorBanner.tsx
index 62b211c3f8560806bd53c6428d1810ee11beff34..29a6a6db18462080a87a79afb205bcb1251de9e8 100644
--- a/apps/web/src/components/chat/ThreadErrorBanner.tsx
+++ b/apps/web/src/components/chat/ThreadErrorBanner.tsx
@@ -42,8 +42,13 @@ export const ThreadErrorBanner = memo(function ThreadErrorBanner({
 }) {
   if (!error) return null;
   return (
-    <div className="mx-auto w-fit max-w-[min(48rem,calc(100%-2rem))] pt-3">
-      <Alert variant="error" controlAlignment="first-line">
+    <div className="pointer-events-auto mx-auto w-fit max-w-[min(48rem,calc(100%-2rem))] pt-3">
+      <Alert
+        variant="error"
+        controlAlignment="first-line"
+        className="alert-glass"
+        data-variant="error"
+      >
         <CircleAlertIcon />
         <AlertDescription>
           <Tooltip>