fix: don't overlap thinking banner over conversation

src/components/chat/view/ChatInterface.tsx

@@ -286,6 +286,11 @@ function ChatInterface({
     handlePermissionDecision,
   }), [pendingPermissionRequests, handlePermissionDecision]);
 
+  // Mirrors ChatComposer's own visibility check so the message pane can
+  // reserve enough bottom space to keep the floating status tab from
+  // overlapping the last message.
+  const hasActivityIndicator = Boolean(sessionActivity && pendingPermissionRequests.length === 0);
+
   if (!selectedProject) {
     const selectedProviderLabel =
       provider === 'cursor'
@@ -321,6 +326,7 @@ function ChatInterface({
           onTouchMove={handleScroll}
           isLoadingSessionMessages={isLoadingSessionMessages}
           isProcessing={isProcessing}
+          hasActivityIndicator={hasActivityIndicator}
           chatMessages={chatMessages}
           selectedSession={selectedSession}
           currentSessionId={currentSessionId}