diff --git a/pyproject.toml b/pyproject.toml
index ef3407b..95516f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ Issues = "https://github.com/sjarmak/codeprobe/issues"
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=8.0,<9",
+    "pytest>=9.1.1,<10",
     "pytest-cov>=5.0,<6",
     # Pinned to a minor range, not >=0.4,<1: ruff adds lint rules in minor
     # releases, so an open range turns CI red with no code change (codeprobe-pb4z
diff --git a/uv.lock b/uv.lock
index db0bb3e..e6df8f9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = ">=3.11, <3.14"
 resolution-markers = [
     "python_full_version >= '3.12'",
@@ -178,7 +178,7 @@ requires-dist = [
     { name = "jinja2", specifier = ">=3.1,<4" },
     { name = "mypy", marker = "extra == 'dev'", specifier = ">=1.10,<2" },
     { name = "openai", specifier = ">=1.66,<3" },
-    { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.0,<9" },
+    { name = "pytest", marker = "extra == 'dev'", specifier = ">=9.1.1,<10" },
     { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=5.0,<6" },
     { name = "pyyaml", specifier = ">=6.0,<7" },
     { name = "rich", specifier = ">=13.7,<14" },
@@ -666,7 +666,7 @@ resolution-markers = [
     "python_full_version < '3.12'",
 ]
 dependencies = [
-    { name = "numpy", marker = "python_full_version < '3.12'" },
+    { name = "numpy" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/42/5f/29fd5f29b0a5d96e2def96ecba3112fc330ecd16e8c97c2b332563c5e201/numpy_typing_compat-20251206.2.4.tar.gz", hash = "sha256:59882d23aaff054a2536da80564012cdce33487657be4d79c5925bb8705fcabc", size = 5011, upload-time = "2025-12-06T20:02:04.942Z" }
 wheels = [
@@ -681,7 +681,7 @@ resolution-markers = [
     "python_full_version >= '3.12'",
 ]
 dependencies = [
-    { name = "numpy", marker = "python_full_version >= '3.12'" },
+    { name = "numpy" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/fc/73/e331473d3db84a8e8883ac07bfd63a8ce9eb7196acbb672bda1f5b8d3294/numpy_typing_compat-20260602.2.4.tar.gz", hash = "sha256:e4eb661f312a7ad5805677967d5879e04fd7b97627fe910121ce7b1f43aa748c", size = 4603, upload-time = "2026-06-02T15:52:38.572Z" }
 wheels = [
@@ -715,7 +715,7 @@ resolution-markers = [
     "python_full_version < '3.12'",
 ]
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version < '3.12'" },
+    { name = "typing-extensions" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/9b/86/e6f1f6f3487492dfcf3b7a2d4e2534d27af6ac05b364b276706906c34865/optype-0.17.1.tar.gz", hash = "sha256:07bfa32b795dea28fba8605a6288d36370d072f25183fb9c29b5a90f4b6f5638", size = 53572, upload-time = "2026-05-17T22:13:28.725Z" }
 wheels = [
@@ -724,8 +724,8 @@ wheels = [
 
 [package.optional-dependencies]
 numpy = [
-    { name = "numpy", marker = "python_full_version < '3.12'" },
-    { name = "numpy-typing-compat", version = "20251206.2.4", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.12'" },
+    { name = "numpy" },
+    { name = "numpy-typing-compat", version = "20251206.2.4", source = { registry = "https://pypi.org/simple" } },
 ]
 
 [[package]]
@@ -736,7 +736,7 @@ resolution-markers = [
     "python_full_version >= '3.12'",
 ]
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version == '3.12.*'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/99/51/51dc9b1009e020f44703933d4d1ee3429c647c026ce7806b37ee2b257998/optype-0.18.0.tar.gz", hash = "sha256:ea10dee61b15ca299ed0d97025d362585c4dfc5481159bb999a1d0d414bbcb04", size = 59967, upload-time = "2026-06-07T22:13:17.534Z" }
 wheels = [
@@ -745,8 +745,8 @@ wheels = [
 
 [package.optional-dependencies]
 numpy = [
-    { name = "numpy", marker = "python_full_version >= '3.12'" },
-    { name = "numpy-typing-compat", version = "20260602.2.4", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.12'" },
+    { name = "numpy" },
+    { name = "numpy-typing-compat", version = "20260602.2.4", source = { registry = "https://pypi.org/simple" } },
 ]
 
 [[package]]
@@ -880,7 +880,7 @@ wheels = [
 
 [[package]]
 name = "pytest"
-version = "8.4.2"
+version = "9.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "sys_platform == 'win32'" },
@@ -889,9 +889,9 @@ dependencies = [
     { name = "pluggy" },
     { name = "pygments" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/a3/5c/00a0e072241553e1a7496d638deababa67c5058571567b92a7eaa258397c/pytest-8.4.2.tar.gz", hash = "sha256:86c0d0b93306b961d58d62a4db4879f27fe25513d4b969df351abdddb3c30e01", size = 1519618, upload-time = "2025-09-04T14:34:22.711Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e4/47/b9efed96c114afcfa3c9d3fe98a76a1d14c74a9e266d397cf6eb64be5e01/pytest-9.1.1.tar.gz", hash = "sha256:1088fbde8f2b49d95a549a195707afa7a76a3ce9bcadc26b6d71f0ffda5fe313", size = 1636369, upload-time = "2026-06-19T10:58:32.857Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a8/a4/20da314d277121d6534b3a980b29035dcd51e6744bd79075a6ce8fa4eb8d/pytest-8.4.2-py3-none-any.whl", hash = "sha256:872f880de3fc3a5bdc88a11b39c9710c3497a547cfa9320bc3c5e62fbf272e79", size = 365750, upload-time = "2025-09-04T14:34:20.226Z" },
+    { url = "https://files.pythonhosted.org/packages/24/25/1de2678b631f5a49215c6c96fff41ba892b0a34df68d6d80292b1b48aa7f/pytest-9.1.1-py3-none-any.whl", hash = "sha256:37a86b45efb9a47a61a36449063e8e18d0cab3161329fc099eb21783169c4f0c", size = 386536, upload-time = "2026-06-19T10:58:31.347Z" },
 ]
 
 [[package]]
@@ -1128,7 +1128,7 @@ resolution-markers = [
     "python_full_version < '3.12'",
 ]
 dependencies = [
-    { name = "optype", version = "0.17.1", source = { registry = "https://pypi.org/simple" }, extra = ["numpy"], marker = "python_full_version < '3.12'" },
+    { name = "optype", version = "0.17.1", source = { registry = "https://pypi.org/simple" }, extra = ["numpy"] },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/02/30/7a2e621918d1317ab972f797161131f2635648ad5d92baf0695dd009e4f9/scipy_stubs-1.17.1.5.tar.gz", hash = "sha256:284b1dd1dd46107a614971d170030d310cd88b2ac6b483f85285ee0ff87720bd", size = 399933, upload-time = "2026-05-25T21:34:33.6Z" }
 wheels = [
@@ -1143,7 +1143,7 @@ resolution-markers = [
     "python_full_version >= '3.12'",
 ]
 dependencies = [
-    { name = "optype", version = "0.18.0", source = { registry = "https://pypi.org/simple" }, extra = ["numpy"], marker = "python_full_version >= '3.12'" },
+    { name = "optype", version = "0.18.0", source = { registry = "https://pypi.org/simple" }, extra = ["numpy"] },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/a0/c6/c4c80bd13c0eec99121922c50cd1c72600672307b28e4ba67f636d6b298d/scipy_stubs-1.18.0.1.tar.gz", hash = "sha256:761cb35106200c90a37034d3c8120d3899d673de1e5879d3a2ac1d6816c62327", size = 410862, upload-time = "2026-07-12T21:09:29.993Z" }
 wheels = [