refactor: bump pixi.toml format

pixi.toml

@@ -4,7 +4,13 @@ authors = [
 ]
 channels = ["conda-forge", "nvidia", "pytorch"]
 name = "pdf2markdown"
-platforms = ["linux-64", "osx-64", "osx-arm64"]
+platforms = [
+  "linux-64",
+  { name = "linux-64-cuda-12", platform = "linux-64", cuda = "12" },
+  { name = "linux-64-cuda-13", platform = "linux-64", cuda = "13" },
+  "osx-64",
+  "osx-arm64"
+]
 version = "26.6.30"
 
 [environments]
@@ -19,7 +25,7 @@ python = ">=3.10"
 datalab-python-sdk = "*"
 
 [feature.marker]
-platforms = ["linux-64"]
+platforms = ["linux-64-cuda-12"]
 
 [feature.marker.pypi-dependencies]
 surya-ocr = "*"
@@ -49,9 +55,6 @@ weasyprint = ">=63.1"
 openai = ">=1.65.2"
 marker-pdf = ">=1.10.2, <2"
 
-[feature.marker.system-requirements]
-cuda = "12.0"
-
 [feature.marker.dependencies]
 python = ">=3.10"
 pytorch-gpu = ">=2.7.0"
@@ -67,7 +70,7 @@ PYTORCH_CUDA_ALLOC_CONF = "expandable_segments:True"
 RECOGNITION_BATCH_SIZE = "2"
 
 [feature.chandra]
-platforms = ["linux-64"]
+platforms = ["linux-64-cuda-13"]
 
 [feature.chandra.pypi-dependencies]
 beautifulsoup4 = "*"
@@ -83,9 +86,6 @@ python-dotenv = "*"
 six = "*"
 chandra-ocr = { version = ">=0.2.0, <0.3", extras = ["hf"] }
 
-[feature.chandra.system-requirements]
-cuda = "13.0"
-
 [feature.chandra.dependencies]
 python = ">=3.10"
 pytorch-gpu = ">=2.8.0"