diff --git a/package-lock.json b/package-lock.json
index 08d0f02..0240847 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,7 +35,6 @@
         "@radix-ui/react-toggle": "^1.1.9",
         "@radix-ui/react-toggle-group": "^1.1.10",
         "@radix-ui/react-tooltip": "^1.2.7",
-        "@sinm/react-file-tree": "^1.1.1",
         "@uiw/codemirror-theme-vscode": "^4.25.4",
         "@uiw/react-codemirror": "^4.25.4",
         "class-variance-authority": "^0.7.1",
@@ -2745,16 +2744,6 @@
       "integrity": "sha512-HPwpGIzkl28mWyZqG52jiqDJ12waP11Pa1lGoiyUkIEuMLBP0oeK/C89esbXrxsky5we7dfd8U58nm0SgAWpVw==",
       "license": "MIT"
     },
-    "node_modules/@sinm/react-file-tree": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/@sinm/react-file-tree/-/react-file-tree-1.1.1.tgz",
-      "integrity": "sha512-XlHLLNV18zWx7mYEH5gtlBb7jYFX7GaBA5jmhsG9YXhgwyyK33JgymrbU+IHDDBakAoZ+xISLKzu2ldzKbA/wg==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/react-virtualized": "^9.21.15",
-        "react-virtualized": "^9.22.3"
-      }
-    },
     "node_modules/@swc/helpers": {
       "version": "0.5.15",
       "resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.5.15.tgz",
@@ -3108,16 +3097,11 @@
         "undici-types": "~6.21.0"
       }
     },
-    "node_modules/@types/prop-types": {
-      "version": "15.7.15",
-      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
-      "integrity": "sha512-F6bEyamV9jKGAFBEmlQnesRPGOQqS2+Uwi0Em15xenOxHaf2hv6L8YCVn3rPdPJOiJfPiCnLIRyvwVaqMY3MIw==",
-      "license": "MIT"
-    },
     "node_modules/@types/react": {
       "version": "19.2.10",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.10.tgz",
       "integrity": "sha512-WPigyYuGhgZ/cTPRXB2EwUw+XvsRA3GqHlsP4qteqrnnjDrApbS7MxcGr/hke5iUoeB7E/gQtrs9I37zAJ0Vjw==",
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "csstype": "^3.2.2"
@@ -3133,16 +3117,6 @@
         "@types/react": "^19.2.0"
       }
     },
-    "node_modules/@types/react-virtualized": {
-      "version": "9.22.3",
-      "resolved": "https://registry.npmjs.org/@types/react-virtualized/-/react-virtualized-9.22.3.tgz",
-      "integrity": "sha512-UKRWeBIrECaKhE4O//TSFhlgwntMwyiEIOA7WZoVkr52Jahv0dH6YIOorqc358N2V3oKFclsq5XxPmx2PiYB5A==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/prop-types": "*",
-        "@types/react": "*"
-      }
-    },
     "node_modules/@uiw/codemirror-extensions-basic-setup": {
       "version": "4.25.4",
       "resolved": "https://registry.npmjs.org/@uiw/codemirror-extensions-basic-setup/-/codemirror-extensions-basic-setup-4.25.4.tgz",
@@ -4326,12 +4300,6 @@
       "integrity": "sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg==",
       "license": "MIT"
     },
-    "node_modules/react-lifecycles-compat": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz",
-      "integrity": "sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA==",
-      "license": "MIT"
-    },
     "node_modules/react-remove-scroll": {
       "version": "2.7.2",
       "resolved": "https://registry.npmjs.org/react-remove-scroll/-/react-remove-scroll-2.7.2.tgz",
@@ -4432,33 +4400,6 @@
         "react-dom": ">=16.6.0"
       }
     },
-    "node_modules/react-virtualized": {
-      "version": "9.22.6",
-      "resolved": "https://registry.npmjs.org/react-virtualized/-/react-virtualized-9.22.6.tgz",
-      "integrity": "sha512-U5j7KuUQt3AaMatlMJ0UJddqSiX+Km0YJxSqbAzIiGw5EmNz0khMyqP2hzgu4+QUtm+QPIrxzUX4raJxmVJnHg==",
-      "license": "MIT",
-      "dependencies": {
-        "@babel/runtime": "^7.7.2",
-        "clsx": "^1.0.4",
-        "dom-helpers": "^5.1.3",
-        "loose-envify": "^1.4.0",
-        "prop-types": "^15.7.2",
-        "react-lifecycles-compat": "^3.0.4"
-      },
-      "peerDependencies": {
-        "react": "^16.3.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
-        "react-dom": "^16.3.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
-      }
-    },
-    "node_modules/react-virtualized/node_modules/clsx": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/clsx/-/clsx-1.2.1.tgz",
-      "integrity": "sha512-EcR6r5a8bj6pu3ycsa/E/cKVGuTgZJZdsyUYHOksG/UHIiKfjxzRxYJpyVBwYaQeOvghal9fcc4PidlgzugAQg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/recharts": {
       "version": "2.15.4",
       "resolved": "https://registry.npmjs.org/recharts/-/recharts-2.15.4.tgz",
diff --git a/package.json b/package.json
index cc7a044..db0abb3 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,6 @@
     "@radix-ui/react-toggle": "^1.1.9",
     "@radix-ui/react-toggle-group": "^1.1.10",
     "@radix-ui/react-tooltip": "^1.2.7",
-    "@sinm/react-file-tree": "^1.1.1",
     "@uiw/codemirror-theme-vscode": "^4.25.4",
     "@uiw/react-codemirror": "^4.25.4",
     "class-variance-authority": "^0.7.1",
diff --git a/src/app/run/components/FileTree.tsx b/src/app/run/components/FileTree.tsx
new file mode 100644
index 0000000..4bd23e7
--- /dev/null
+++ b/src/app/run/components/FileTree.tsx
@@ -0,0 +1,60 @@
+"use client";
+
+import { useState } from "react";
+import { Folder, FolderMinus, FolderPlus, File } from "lucide-react";
+
+type TreeNode = {
+  type: "directory" | "file";
+  uri: string;
+  children?: TreeNode[];
+};
+
+interface FileTreeProps {
+  tree: TreeNode;
+  level?: number; // for indentation
+}
+
+export const FileTree: React.FC<FileTreeProps> = ({ tree, level = 0 }) => {
+  const [expanded, setExpanded] = useState(
+    tree.type !== "directory" || level === 0 ? true : false,
+  );
+
+  const toggleExpand = () => {
+    if (tree.type === "directory") {
+      setExpanded(!expanded);
+    }
+  };
+
+  return (
+    <div>
+      {/* Directory/File Row */}
+      <div
+        onClick={toggleExpand}
+        style={{
+          paddingLeft: level * 20,
+          display: "flex",
+          alignItems: "center",
+          cursor: tree.type === "directory" ? "pointer" : "default",
+          userSelect: "none",
+        }}
+      >
+        {tree.type === "directory" ? (
+          expanded ? (
+            <FolderMinus size={16} className="mr-2" />
+          ) : (
+            <FolderPlus size={16} className="mr-2" />
+          )
+        ) : (
+          <File size={16} className="mr-2" />
+        )}
+        {tree.uri}
+      </div>
+
+      {/* Children */}
+      {expanded &&
+        tree.children?.map((child) => (
+          <FileTree key={child.uri} tree={child} level={level + 1} />
+        ))}
+    </div>
+  );
+};
diff --git a/src/app/run/page.tsx b/src/app/run/page.tsx
index 52e573a..2e86e67 100644
--- a/src/app/run/page.tsx
+++ b/src/app/run/page.tsx
@@ -1,12 +1,14 @@
 "use client";
 
-import { FileTree } from "@sinm/react-file-tree";
 import CodeMirror, { EditorState } from "@uiw/react-codemirror";
 import { vscodeDark } from "@uiw/codemirror-theme-vscode";
 
 import { Card, CardContent } from "@/components/ui/card";
 import RunTimer, { RunInfo } from "./components/RunTimer";
 import RunChat, { ChatMessage } from "./components/RunChat";
+import { useState } from "react";
+import { FileTree } from "./components/FileTree";
+import { File } from "lucide-react";
 
 export default function Run() {
   const runInfo: RunInfo = {
@@ -34,16 +36,22 @@ export default function Run() {
               tree={{
                 type: "directory",
                 uri: "my-app",
-                expanded: true,
-                children: [{ type: "file", uri: "myfile.js" }],
+                children: [
+                  { type: "file", uri: "myfile.js" },
+                  {
+                    type: "directory",
+                    uri: "my-app",
+                    children: [{ type: "file", uri: "myfile.js" }],
+                  },
+                ],
               }}
             />
           </div>
 
           {/* Code */}
           <div className="flex-1 pl-5 flex flex-col">
-            <header className="text-sm font-medium text-muted-foreground">
-              myfile.js
+            <header className="text-sm font-medium text-muted-foreground flex items-center gap-1">
+              <File size={16} /> myfile.js
             </header>
 
             <div className="flex-1 pt-3 pb-5">