diff --git a/backend/uv.lock b/backend/uv.lock
index 7c248b253..716b7e07a 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -686,6 +686,7 @@ dependencies = [
 
 [package.dev-dependencies]
 dev = [
+    { name = "prompt-toolkit" },
     { name = "pytest" },
     { name = "ruff" },
 ]
@@ -708,6 +709,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
+    { name = "prompt-toolkit", specifier = ">=3.0.0" },
     { name = "pytest", specifier = ">=9.0.3" },
     { name = "ruff", specifier = ">=0.14.11" },
 ]
@@ -2707,6 +2709,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/0c/dd/f0183ed0145e58cf9d286c1b2c14f63ccee987a4ff79ac85acc31b5d86bd/primp-0.15.0-cp38-abi3-win_amd64.whl", hash = "sha256:aeb6bd20b06dfc92cfe4436939c18de88a58c640752cf7f30d9e4ae893cdec32", size = 3149967, upload-time = "2025-04-17T11:41:07.067Z" },
 ]
 
+[[package]]
+name = "prompt-toolkit"
+version = "3.0.52"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "wcwidth" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/a1/96/06e01a7b38dce6fe1db213e061a4602dd6032a8a97ef6c1a862537732421/prompt_toolkit-3.0.52.tar.gz", hash = "sha256:28cde192929c8e7321de85de1ddbe736f1375148b02f2e17edd840042b1be855", size = 434198, upload-time = "2025-08-27T15:24:02.057Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/84/03/0d3ce49e2505ae70cf43bc5bb3033955d2fc9f932163e84dc0779cc47f48/prompt_toolkit-3.0.52-py3-none-any.whl", hash = "sha256:9aac639a3bbd33284347de5ad8d68ecc044b91a762dc39b7c21095fcd6a19955", size = 391431, upload-time = "2025-08-27T15:23:59.498Z" },
+]
+
 [[package]]
 name = "propcache"
 version = "0.4.1"
@@ -3960,6 +3974,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e3/bd/fa9bb053192491b3867ba07d2343d9f2252e00811567d30ae8d0f78136fe/watchfiles-1.1.1-cp314-cp314t-musllinux_1_1_x86_64.whl", hash = "sha256:a916a2932da8f8ab582f242c065f5c81bed3462849ca79ee357dd9551b0e9b01", size = 622112, upload-time = "2025-10-14T15:05:50.941Z" },
 ]
 
+[[package]]
+name = "wcwidth"
+version = "0.6.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/35/a2/8e3becb46433538a38726c948d3399905a4c7cabd0df578ede5dc51f0ec2/wcwidth-0.6.0.tar.gz", hash = "sha256:cdc4e4262d6ef9a1a57e018384cbeb1208d8abbc64176027e2c2455c81313159", size = 159684, upload-time = "2026-02-06T19:19:40.919Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/68/5a/199c59e0a824a3db2b89c5d2dade7ab5f9624dbf6448dc291b46d5ec94d3/wcwidth-0.6.0-py3-none-any.whl", hash = "sha256:1a3a1e510b553315f8e146c54764f4fb6264ffad731b3d78088cdb1478ffbdad", size = 94189, upload-time = "2026-02-06T19:19:39.646Z" },
+]
+
 [[package]]
 name = "webencodings"
 version = "0.5.1"