* Centralize OS detection and normalization in a dedicated resolver module
* Treat Manjaro consistently as Arch across dependencies and package install
* Remove duplicated OS logic and legacy lib.sh
* Rename installation entrypoint to init.sh and update Makefile accordingly
https://chatgpt.com/share/693c7b50-3be0-800f-8aeb-daf3ee929ea3
* Switch virgin root/user workflows to use *make install* + *make setup/setup-venv*
* Add Git *safe.directory /src* to avoid flake evaluation failures on mounted repos
* Enable Nix flake run in workflows and prepare */nix* for non-root execution
* Refactor Arch packaging to build in an isolated */tmp* directory via *aur_builder*
* Rename installer scripts (*run-** → *dependencies.sh* / *package.sh*) and adjust Docker entry + env var to *REINSTALL_PKGMGR*
https://chatgpt.com/share/693c29d9-9b28-800f-a549-5661c783d968