afegit pre-hooks

CLAUDE.md

@@ -107,3 +107,13 @@ tools/linter/run_cppcheck.sh -u                   # unused functions
 - OpenGL
 - C++20 compiler (clang++ on macOS, g++ on Linux/Windows)
 - CMake 3.10+
+
+## Git Hooks
+
+Pre-commit hooks are stored in `tools/hooks/` and must be configured after cloning:
+
+```bash
+make setup_hooks
+```
+
+This configures git to use `tools/hooks/` as the hooks directory. The pre-commit hook runs `clang-format` to verify code formatting before each commit.