diff --git a/pyproject.toml b/pyproject.toml
index 831c941..c6f8ae5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,3 +56,9 @@ include = ["agentscore"]
 
 [tool.uv]
 required-version = ">=0.11.0"
+# An unbounded transitive requirement lets a routine refresh resolve a BETA and
+# drag a subtree with it, and the tests pass either way, so nothing reports it.
+# That is how python-commerce once resolved web3 8.0.0b3 through three
+# unbounded parents. Blocking prereleases outright beats pinning whichever
+# package surfaced last, since the same shape exists on several transitives.
+prerelease = "disallow"
diff --git a/uv.lock b/uv.lock
index 81ce65b..7fe66f3 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2,6 +2,9 @@ version = 1
 revision = 3
 requires-python = ">=3.11"
 
+[options]
+prerelease-mode = "disallow"
+
 [[package]]
 name = "agentscore-py"
 version = "2.6.6"
@@ -257,15 +260,15 @@ wheels = [
 
 [[package]]
 name = "lefthook"
-version = "2.1.10"
+version = "2.1.11"
 source = { registry = "https://pypi.org/simple" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f2/a7/ff54e6b498de6daa9ca5f02e77f943923924ae6aa2d0babc0334507bd0e2/lefthook-2.1.10-py3-none-macosx_10_15_x86_64.whl", hash = "sha256:8ae438e6a6a2984e7f7e1eef43ae08a5a1f99999a75f911f52e33106f1b198ff", size = 5424203, upload-time = "2026-07-08T12:03:27.993Z" },
-    { url = "https://files.pythonhosted.org/packages/93/1d/12274ace64319fe26ed6f394dae463ceae24f504d751d84072cb3bfdbacf/lefthook-2.1.10-py3-none-macosx_11_0_arm64.whl", hash = "sha256:9f468de23f627837ee822beea57473c3ed541fc8bf82b030a3247d773a192b4f", size = 4946329, upload-time = "2026-07-08T12:03:29.912Z" },
-    { url = "https://files.pythonhosted.org/packages/fc/3f/cbd5bcf3d481a8ffda0378b6e90bca3c85f060c085e16002837ceeab56b6/lefthook-2.1.10-py3-none-manylinux_2_17_aarch64.whl", hash = "sha256:115c6b4ba6dd12dc18d8661c61992d46dcfab1e0528f16b6a90664c4fe60c376", size = 4776557, upload-time = "2026-07-08T12:03:31.437Z" },
-    { url = "https://files.pythonhosted.org/packages/0d/52/54798a744c4d656ba39ed5f0e6ccb8a81c6a4c15a3e1448978a40aefd713/lefthook-2.1.10-py3-none-manylinux_2_17_x86_64.whl", hash = "sha256:a635411b4e9263154fd5a64a81df28c628d625ab18c7f071df90e7006d0de748", size = 5356418, upload-time = "2026-07-08T12:03:33.827Z" },
-    { url = "https://files.pythonhosted.org/packages/11/b9/fb10fab6e854e97ed2af8c906ff90b706e850f17d245c6cde59c076e4066/lefthook-2.1.10-py3-none-win_amd64.whl", hash = "sha256:7385e234f14ab65bcaa84ebe7ba6d6b1dafe36be6ad5a9dd852e5add6f1e701e", size = 5506468, upload-time = "2026-07-08T12:03:35.826Z" },
-    { url = "https://files.pythonhosted.org/packages/77/01/054a0a18154dd8127276398a82d9797dd5534ebeeb1d8d61a9b19e6a8ef0/lefthook-2.1.10-py3-none-win_arm64.whl", hash = "sha256:be7b59b9e3483f62a217a632cb4177eaa3f75229916450bd12b99b608c51439d", size = 4858134, upload-time = "2026-07-08T12:03:37.421Z" },
+    { url = "https://files.pythonhosted.org/packages/5c/3b/3dc3e68960986ffd5380bd84111008c20c2f0e1b8c121b71d65253ddd92b/lefthook-2.1.11-py3-none-macosx_10_15_x86_64.whl", hash = "sha256:a4b54f149e3dba520456df82d0e1a84958082b4a15dd7acf2c129727528e01bc", size = 5426206, upload-time = "2026-08-21T08:18:20.476Z" },
+    { url = "https://files.pythonhosted.org/packages/07/38/54c1ee7116a9b2f5a854f8686a6e8cf755aa638460f3d09b1626b9b248c5/lefthook-2.1.11-py3-none-macosx_11_0_arm64.whl", hash = "sha256:16c76f244d37a35eba82046b60e47791e4bd006235007c5e88a7df49223b6652", size = 4949297, upload-time = "2026-08-21T08:18:23.077Z" },
+    { url = "https://files.pythonhosted.org/packages/e8/e4/3f9b7446cb05602fdd1155dbbc2ac31c0000224b4ee75026bceba078e786/lefthook-2.1.11-py3-none-manylinux_2_17_aarch64.whl", hash = "sha256:ed5ed8702e03409251ba6ec52179a438fb65c21843b004bbabdd0e22e12317b1", size = 4780005, upload-time = "2026-08-21T08:18:24.471Z" },
+    { url = "https://files.pythonhosted.org/packages/21/5f/df23da9414245591094fb0e07a3e8e6fa938f51b568b21f6b4fa07b5896a/lefthook-2.1.11-py3-none-manylinux_2_17_x86_64.whl", hash = "sha256:7207f6e0d5da75ca69794532edc36dacf0e3e141b54d92c8e195c07f16171a60", size = 5359796, upload-time = "2026-08-21T08:18:25.766Z" },
+    { url = "https://files.pythonhosted.org/packages/3c/8f/f9307859a9351b450b0e06b409526fb0ce31023fcd7f9f9e04727bc52313/lefthook-2.1.11-py3-none-win_amd64.whl", hash = "sha256:332639455dd7f725dc1d3d9817397b91a76ccc72dfeb65b5dcf4189e4be443f6", size = 5507966, upload-time = "2026-08-21T08:18:27.184Z" },
+    { url = "https://files.pythonhosted.org/packages/e6/6a/a4ce63a9ae841def7321ca09a446c213d9c7b465e5bb4f7edf9ea4052c63/lefthook-2.1.11-py3-none-win_arm64.whl", hash = "sha256:d82b86c6cb59cfe536adde34c7178ab31b5d5504043ee713fd808556baeeb701", size = 4860496, upload-time = "2026-08-21T08:18:28.803Z" },
 ]
 
 [[package]]