diff --git a/src/termdiagram/ui/tui.py b/src/termdiagram/ui/tui.py
new file mode 100644
index 0000000..343f89e
--- /dev/null
+++ b/src/termdiagram/ui/tui.py
@@ -0,0 +1,11 @@
+import os
+from typing import Optional
+from ..parser import CodeParser
+from ..generators import AsciiDiagramGenerator, MermaidDiagramGenerator
+
+
+class TermDiagramTUI:
+    def run(self, path: str):
+        print(f"Interactive mode for {path}")
+        print("Use arrow keys to navigate, 'q' to quit")
+        print("This is a placeholder for the interactive TUI implementation.")