update

backend/pyproject.toml

@@ -16,6 +16,14 @@ dependencies = [
   "PyJWT>=2.8.0",
   "passlib[bcrypt]>=1.7.4",
   "python-dotenv>=1.0.1",
+  "pypdf[crypto]>=5.0.0",
+  "python-docx>=1.1.2",
+  "openpyxl>=3.1.5",
+  "python-pptx>=1.0.2",
+  "llama-index-core==0.14.23",
+  "llama-index-embeddings-huggingface==0.6.1",
+  "docling==2.115.0",
+  "tiktoken>=0.7.0",
 ]
 
 [project.optional-dependencies]