create a group for dev dependencies, there is no need to install all this other stuff just for speedrun and it's exposing people to dependency chain attacks. we need to delete more dependencies. dependencies bad bad bad

pyproject.toml

@@ -7,23 +7,23 @@ requires-python = ">=3.10"
 dependencies = [
     "datasets>=4.0.0",
     "fastapi>=0.117.1",
-    "ipykernel>=7.1.0",
     "kernels>=0.11.7",
-    "matplotlib>=3.10.8",
     "psutil>=7.1.0",
-    "python-dotenv>=1.2.1",
     "rustbpe>=0.1.0",
     "tiktoken>=0.11.0",
     "tokenizers>=0.22.0",
     "torch==2.9.1",
-    "transformers>=4.57.3",
     "uvicorn>=0.36.0",
     "wandb>=0.21.3",
 ]
 
 [dependency-groups]
 dev = [
+    "ipykernel>=7.1.0",
+    "matplotlib>=3.10.8",
     "pytest>=8.0.0",
+    "python-dotenv>=1.2.1",
+    "transformers>=4.57.3",
 ]
 
 [tool.pytest.ini_options]
@@ -61,6 +61,7 @@ gpu = [
 ]
 
 [tool.uv]
+default-groups = []
 conflicts = [
     [
         { extra = "cpu" },