docs: credit upstream authors

NOTICE

@@ -8,3 +8,13 @@ through the historical repositories below before its standalone V1.0.0 release:
 - https://git.yukework.com/mlsys/cuda-optimized-skill
 
 The historical repositories remain the source for pre-V1 development history.
+
+Acknowledgements
+
+CUDA Kernel Optimizer builds on the original cuda-optimized-skill created and
+published by KernelFlow-ops. We thank Mark Liu and all upstream contributors
+for the validation, benchmarking, profiling, and iterative optimization work
+that provided the foundation for this standalone project.
+
+- KernelFlow-ops: https://github.com/KernelFlow-ops
+- Mark Liu: https://github.com/mark-liu

tests/test_standalone_project.py

@@ -32,6 +32,10 @@ def test_origin_notice_preserves_provenance(self) -> None:
         self.assertIn("git.yukework.com/mlsys/cuda-optimized-skill", notice)
         self.assertIn("github.com/troycheng/cuda-optimized-skill", notice)
         self.assertIn("MIT", notice)
+        self.assertIn("Acknowledgements", notice)
+        self.assertIn("https://github.com/KernelFlow-ops", notice)
+        self.assertIn("Mark Liu", notice)
+        self.assertIn("https://github.com/mark-liu", notice)
 
     def test_public_tree_excludes_maintainer_history_and_dual_publisher(self) -> None:
         self.assertFalse((ROOT / "maintainers").exists())