diff --git a/apps/scut-senior/api/uv.lock b/apps/scut-senior/api/uv.lock
index 6b0cee05..4d9ce0d0 100644
--- a/apps/scut-senior/api/uv.lock
+++ b/apps/scut-senior/api/uv.lock
@@ -780,6 +780,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/0b/d7/1959b9648791274998a9c3526f6d0ec8fd2233e4d4acce81bbae76b44b2a/python_dotenv-1.2.2-py3-none-any.whl", hash = "sha256:1d8214789a24de455a8b8bd8ae6fe3c6b69a5e3d64aa8a8e5d68e694bbcb285a", size = 22101, upload-time = "2026-03-01T16:00:25.09Z" },
 ]
 
+[[package]]
+name = "python-multipart"
+version = "0.0.32"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/5b/42/55c32bb9b12693c092ad250a0e82edb5b31ddeda6eb772de5f308b3804ad/python_multipart-0.0.32.tar.gz", hash = "sha256:be54b7f3fa167bb83e4fcd936b887b708f4e57fe75911c02aebf53efaf8d938e", size = 46881, upload-time = "2026-06-04T16:18:58.647Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/e1/04/e8135ebd1ad02c56ec633277529b2602ff99ff634be76cdba5744cf554fd/python_multipart-0.0.32-py3-none-any.whl", hash = "sha256:ff6d3f776f16878c894e52e107296ffc890e913c611b1a4ec6c44e2821fe2e23", size = 30042, upload-time = "2026-06-04T16:18:57.319Z" },
+]
+
 [[package]]
 name = "pyyaml"
 version = "6.0.3"
@@ -946,6 +955,7 @@ dependencies = [
     { name = "idna" },
     { name = "jsonschema" },
     { name = "pydantic" },
+    { name = "python-multipart" },
     { name = "pyyaml" },
     { name = "scut-senior-worker" },
     { name = "uvicorn", extra = ["standard"] },
@@ -973,6 +983,7 @@ requires-dist = [
     { name = "pydantic", specifier = ">=2.11,<3" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.4,<9" },
     { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=6.2,<7" },
+    { name = "python-multipart", specifier = ">=0.0.20,<1" },
     { name = "pyyaml", specifier = ">=6,<7" },
     { name = "scut-senior-worker", editable = "../worker" },
     { name = "tokenizers", marker = "extra == 'onnx'", specifier = ">=0.19,<1" },