initial commit

.gitignore

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+# Out-of-source builds and downloaded dependencies
+/build/
+/build-*/
+/cmake-build-*/
+/out/
+/.deps/
+
+# CMake / CTest files from accidental in-source builds
+CMakeFiles/
+CMakeCache.txt
+cmake_install.cmake
+CTestTestfile.cmake
+DartConfiguration.tcl
+Testing/
+/Makefile
+/build.ninja
+/.ninja_deps
+/.ninja_log
+/compile_commands.json
+/install_manifest*.txt
+/CMakeUserPresets.json
+
+# Generated validation reports (keep tests/fixtures under version control)
+/tests/results/
+
+# Python caches and local virtual environments
+__pycache__/
+*.py[cod]
+.pytest_cache/
+.venv/
+venv/
+
+# Local Qt Creator / IDE settings and editor temporary files
+*.user
+*.user.*
+/.vs/
+/.idea/
+*.swp
+*.swo
+*~
+
+# OS metadata
+.DS_Store
+Thumbs.db
+Desktop.ini