Add python-multipart to dependencies for FastAPI file uploads

pyproject.toml

@@ -22,6 +22,7 @@ dependencies = [
   "python-docx",
   "python-dotenv",
   "python-logging-loki",
+  "python-multipart",
   "pyyaml",
   "python-jose[cryptography]",
   "sqlalchemy[asyncio]",

requirements.txt

@@ -19,6 +19,7 @@ pydantic
 pydantic-settings
 python-jose[cryptography]
 python-docx
+python-multipart
 boto3
 
 # Worker (Celery + Redis)