chore: initial commit

.gitignore

@@ -0,0 +1,90 @@
+# OS metadata
+.DS_Store
+.AppleDouble
+.LSOverride
+.directory
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+*:Zone.Identifier
+
+# Editor / IDE local state
+/.idea/
+/.vscode/*
+!/.vscode/extensions.json
+!/.vscode/launch.json
+!/.vscode/tasks.json
+/.ccls-cache/
+/.clangd/
+/compile_commands.json
+*.user
+*.workspace
+*.suo
+*.sln.docstates
+
+# Temporary files
+*~
+*.swp
+*.swo
+*.tmp
+*.bak
+*.orig
+*.rej
+
+# Local tooling caches
+/.cache/
+/.codex
+/.claude/
+
+# Logs and crash dumps
+*.log
+*.stackdump
+
+# Python caches / virtualenvs
+__pycache__/
+*.py[cod]
+*.egg-info/
+.pytest_cache/
+.mypy_cache/
+.venv/
+venv/
+env/
+
+# Local environment / secrets
+.env
+.env.*
+!.env.example
+!.env.*.example
+
+# CMake / native build output
+/build/
+/build_codec_test/
+/cmake-build-*/
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+install_manifest.txt
+CTestTestfile.cmake
+
+# ESP-IDF generated files
+/managed_components/
+/.espressif/
+/components/.idf/
+/firmware_bins/
+/sdkconfig
+/sdkconfig.old
+/sdkconfig.*
+!/sdkconfig.defaults
+!/sdkconfig.defaults.*
+
+# Host-side compilation artifacts
+*.o
+*.obj
+*.a
+*.so
+*.dylib
+*.dll
+*.exe
+*.out
+*.elf
+*.map