Update local frontend and backend changes

frontend-web/src/components/ai-elements/prompt-input.tsx

@@ -674,12 +674,22 @@ export const PromptInput = ({
   useEffect(() => {
     if (!globalDrop) return;
 
+    // Suppress the global chat-upload handler when the drop happens inside an open
+    // modal dialog or popover — those owners (e.g. the skill-install dialog) handle
+    // their own file uploads and should not leak into the active chat thread.
+    const isInsideModal = (target: EventTarget | null): boolean => {
+      if (!(target instanceof Element)) return false;
+      return target.closest('[role="dialog"], [role="alertdialog"]') !== null;
+    };
+
     const onDragOver = (e: DragEvent) => {
+      if (isInsideModal(e.target)) return;
       if (e.dataTransfer?.types?.includes("Files")) {
         e.preventDefault();
       }
     };
     const onDrop = (e: DragEvent) => {
+      if (isInsideModal(e.target)) return;
       if (e.dataTransfer?.types?.includes("Files")) {
         e.preventDefault();
       }