diff --git a/frontend/src/modules/ide/components/FileExplorer.tsx b/frontend/src/modules/ide/components/FileExplorer.tsx
index a798bfc..529dd40 100644
--- a/frontend/src/modules/ide/components/FileExplorer.tsx
+++ b/frontend/src/modules/ide/components/FileExplorer.tsx
@@ -56,8 +56,10 @@ export const FileExplorer: React.FC<FileExplorerProps> = ({
   };
 
   const filteredFiles = store.searchQuery
-    ? filterTree(files, store.searchQuery)
-    : files;
+    ? (files.children || [])
+        .map((child) => filterTree(child, store.searchQuery))
+        .filter((child): child is FileNode => child !== null)
+    : files.children || [];
 
   useEffect(() => {
     if (store.searchQuery && files) {
@@ -185,29 +187,6 @@ export const FileExplorer: React.FC<FileExplorerProps> = ({
         </div>
       </div>
 
-      <div
-        style={{
-          padding: "6px 12px",
-          display: "flex",
-          alignItems: "center",
-          gap: "6px",
-          borderBottom: "1px solid #3e3e42",
-        }}
-      >
-        <FiFolder size={14} color="#858585" />
-        <span
-          style={{
-            color: "#cccccc",
-            fontWeight: 600,
-            fontSize: "11px",
-            letterSpacing: "0.3px",
-            flex: 1,
-          }}
-        >
-          {files.name}
-        </span>
-      </div>
-
       {showSearch && (
         <div style={{ padding: "6px 8px", borderBottom: "1px solid #3e3e42" }}>
           <div
@@ -262,19 +241,21 @@ export const FileExplorer: React.FC<FileExplorerProps> = ({
       )}
 
       <div style={{ flex: 1, overflowY: "auto" }}>
-        {filteredFiles ? (
-          <FileTreeItem
-            node={filteredFiles}
-            level={0}
-            onFileSelect={store.selectFile}
-            selectedFile={store.activeFile?.path || null}
-            onContextMenu={handleNodeContextMenu}
-            expandedFolders={store.expandedFolders}
-            onToggleFolder={store.toggleFolder}
-            onDelete={store.handleDeleteNode}
-            isRoot
-            searchQuery={store.searchQuery}
-          />
+        {filteredFiles.length > 0 ? (
+          filteredFiles.map((child, idx) => (
+            <FileTreeItem
+              key={idx}
+              node={child}
+              level={0}
+              onFileSelect={store.selectFile}
+              selectedFile={store.activeFile?.path || null}
+              onContextMenu={handleNodeContextMenu}
+              expandedFolders={store.expandedFolders}
+              onToggleFolder={store.toggleFolder}
+              onDelete={store.handleDeleteNode}
+              searchQuery={store.searchQuery}
+            />
+          ))
         ) : (
           <div
             style={{
diff --git a/frontend/src/modules/ide/components/FilePicker.tsx b/frontend/src/modules/ide/components/FilePicker.tsx
index 7a7bf1a..d7217d0 100644
--- a/frontend/src/modules/ide/components/FilePicker.tsx
+++ b/frontend/src/modules/ide/components/FilePicker.tsx
@@ -60,7 +60,9 @@ export const FilePicker: React.FC<FilePickerProps> = ({ files }) => {
         backgroundColor: "var(--bg-primary)",
       }}
     >
-      <FilePickerTree node={files} level={0} />
+      {(files.children || []).map((child, idx) => (
+        <FilePickerTree key={idx} node={child} level={0} />
+      ))}
     </div>
   );
 };
diff --git a/frontend/src/modules/ide/store/useIDEStore.ts b/frontend/src/modules/ide/store/useIDEStore.ts
index 47ee7e3..7c566aa 100644
--- a/frontend/src/modules/ide/store/useIDEStore.ts
+++ b/frontend/src/modules/ide/store/useIDEStore.ts
@@ -442,6 +442,7 @@ export const useIDEStore = create<IDEState>((set, get) => ({
       return;
     }
 
+    // Определяем родительский путь
     let parentPath: string;
     if (!dialog.node) {
       parentPath = "";
@@ -453,17 +454,44 @@ export const useIDEStore = create<IDEState>((set, get) => ({
       parentPath = pathParts.join("/");
     }
 
-    const fullPath = parentPath ? `${parentPath}/${value}` : value;
+    // Проверяем наличие расширения
+    const hasExtension =
+      value.includes(".") && value.split(".").pop() !== value;
+    let finalName = value;
+    let isFile = false;
+
+    // Если диалог создания файла
+    if (dialog.type === "newFile") {
+      isFile = true;
+      // Если нет расширения — добавляем .txt
+      if (!hasExtension) {
+        finalName = `${value}.txt`;
+      }
+    } else if (dialog.type === "newFolder") {
+      // Если диалог создания папки — но имя с расширением, считаем файлом
+      if (hasExtension) {
+        isFile = true;
+      }
+    }
+
+    const fullPath = parentPath ? `${parentPath}/${finalName}` : finalName;
+
+    // Сохраняем раскрытые папки ДО перезагрузки дерева
+    const savedExpandedFolders = new Set(get().expandedFolders);
 
     try {
       const result = await scriptsApi.createScript({
         content: "",
-        interpreter_id: 0,
+        interpreter_id: 1,
         path: fullPath,
       });
 
       await get().fetchTree();
 
+      // Восстанавливаем раскрытые папки
+      set({ expandedFolders: savedExpandedFolders });
+
+      // Собираем все пути от корня до родительской папки
       const allParentPaths: string[] = [];
       let current = parentPath;
       while (current) {
@@ -472,17 +500,14 @@ export const useIDEStore = create<IDEState>((set, get) => ({
         parts.pop();
         current = parts.join("/");
       }
-      allParentPaths.forEach((p) => {
-        if (!get().expandedFolders.has(p)) {
-          toggleFolder(p);
-        }
-      });
+
+      // Раскрываем родительскую цепочку
       autoExpandPaths(new Set(allParentPaths));
 
-      if (dialog.type === "newFile") {
+      if (isFile) {
         const createdNode: FileNode = {
           id: result.id,
-          name: value,
+          name: finalName,
           type: "file",
           content: result.content,
           path: result.path,