diff --git a/pyproject.toml b/pyproject.toml
index 79a61cd..11b6c29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,60 +2,90 @@
 requires = ["hatchling"]
 build-backend = "hatchling.build"
 
+# ------ build-system ------
+
 [project]
 name = "tractor"
 version = "0.1.0a6dev0"
 description = 'structured concurrent `trio`-"actors"'
 authors = [{ name = "Tyler Goodlet", email = "goodboy_foss@protonmail.com" }]
-requires-python = "~=3.11"
+requires-python = ">= 3.11"
 readme = "docs/README.rst"
 license = "AGPL-3.0-or-later"
 keywords = [
-    "trio",
-    "async",
-    "concurrency",
-    "structured concurrency",
-    "actor model",
-    "distributed",
-    "multiprocessing",
+  "trio",
+  "async",
+  "concurrency",
+  "structured concurrency",
+  "actor model",
+  "distributed",
+  "multiprocessing",
 ]
 classifiers = [
-    "Development Status :: 3 - Alpha",
-    "Operating System :: POSIX :: Linux",
-    "Framework :: Trio",
-    "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",
-    "Programming Language :: Python :: Implementation :: CPython",
-    "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.11",
-    "Topic :: System :: Distributed Computing",
+  "Development Status :: 3 - Alpha",
+  "Operating System :: POSIX :: Linux",
+  "Framework :: Trio",
+  "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",
+  "Programming Language :: Python :: Implementation :: CPython",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.11",
+  "Topic :: System :: Distributed Computing",
 ]
 dependencies = [
-    "trio>=0.24,<0.25",
-    "tricycle>=0.4.1,<0.5",
-    "trio-typing>=0.10.0,<0.11",
-    "wrapt>=1.16.0,<2",
-    "colorlog>=6.8.2,<7",
-    "pdbp>=1.5.0,<2",
-    "msgspec",
+# trio runtime and friends
+  # (poetry) proper range specs,
+  # https://packaging.python.org/en/latest/discussions/install-requires-vs-requirements/#id5
+  # TODO, for 3.13 we must go go `0.27` which means we have to
+  # disable strict egs or port to handling them internally!
+  # trio='^0.27'
+  "trio>=0.24,<0.25",
+  "tricycle>=0.4.1,<0.5",
+  "trio-typing>=0.10.0,<0.11",
+
+  "wrapt>=1.16.0,<2",
+  "colorlog>=6.8.2,<7",
+
+# built-in multi-actor `pdb` REPL
+  "pdbp>=1.5.0,<2",
+
+# typed IPC msging
+# TODO, get back on release once 3.13 support is out!
+  "msgspec",
 ]
 
+# ------ project ------
+
 [dependency-groups]
 dev = [
-    "pytest>=8.2.0,<9",
-    "pexpect>=4.9.0,<5",
-    "greenback>=1.2.1,<2",
-    "stackscope>=0.2.2,<0.3",
-    "xontrib-vox>=0.0.1,<0.0.2",
-    "prompt-toolkit>=3.0.43,<4",
-    "xonsh-vox-tabcomplete>=0.5,<0.6",
+  # test suite
+  # TODO: maybe some of these layout choices?
+  # https://docs.pytest.org/en/8.0.x/explanation/goodpractices.html#choosing-a-test-layout-import-rules
+  "pytest>=8.2.0,<9",
+  "pexpect>=4.9.0,<5",
+  # `tractor.devx` tooling
+  "greenback>=1.2.1,<2",
+  "stackscope>=0.2.2,<0.3",
+
+  # xonsh usage/integration (namely as @goodboy's sh of choice Bp)
+  "xonsh>=0.19.1",
+  "xontrib-vox>=0.0.1,<0.0.2",
+  "prompt-toolkit>=3.0.43,<4",
+  "xonsh-vox-tabcomplete>=0.5,<0.6",
+  "pyperclip>=1.9.0",
 ]
 
+# TODO, distributed (multi-host) extensions
+# linux kernel networking
+# 'pyroute2
+
 [tool.hatch.build.targets.sdist]
 include = ["tractor"]
 
 [tool.hatch.build.targets.wheel]
 include = ["tractor"]
 
+# ------ dependency-groups ------
+
 [tool.towncrier]
 package = "tractor"
 filename = "NEWS.rst"
@@ -100,5 +130,9 @@ addopts = [
 ]
 log_cli = false
 
+# ------ tool.towncrier ------
+
 [tool.uv.sources]
 msgspec = { git = "https://github.com/jcrist/msgspec.git" }
+
+# ------ tool.uv.sources ------
diff --git a/uv.lock b/uv.lock
index 9a818e5..8a9a9bf 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-requires-python = ">=3.11, <4"
+requires-python = ">=3.11"
 
 [[package]]
 name = "async-generator"