代码仓库移植

README.md

@@ -0,0 +1,15 @@
+# pipe-system-simulation-test
+
+Test repository for pipe system simulation work.
+
+## Structure
+
+- `docs/` design notes and reports
+- `src/` source code
+- `cases/` test cases and input data
+- `scripts/` utility scripts
+- `results/` generated outputs and post-processing summaries
+
+## Status
+
+Initial repository scaffold created.