pivector2d move implement Row and Col

AGENTS.md

@@ -46,7 +46,7 @@ ctest --test-dir build/tests -R "TestName"
 ### Other Commands
 ```bash
 cmake --build build --target clean    # Clean build
-cmake --install build_pip                 # Install
+cmake --install build_pip             # Install
 cmake --build build --target doc      # Build documentation
 ```
 
@@ -160,3 +160,7 @@ TEST(PIString_Tests, constructor_empty) {
 ### Key Files
 - `CMakeLists.txt` - Main build configuration
 - `tests/CMakeLists.txt` - Test configuration
+
+
+## Lint/Format Commands
+- For formatting, use clang-format with .clang-format in repo root