Create __init__.py

__init__.py

@@ -0,0 +1,21 @@
+# __init__.py
+from .chat import display_chat_interface
+from .knowledge_base import display_knowledge_base, handle_doc_select, handle_start_chat
+from .upload import handle_document_upload
+
+__all__ = [
+    'display_chat_interface',
+    'display_knowledge_base',
+    'handle_doc_select',
+    'handle_start_chat',
+    'handle_document_upload'
+]
+
+# chat.py
+# Copy the chat component code here
+
+# knowledge_base.py
+# Copy the knowledge base component code here
+
+# upload.py
+# Copy the upload component code here