- Document outdated-app detection in `README.md`. - Improve existing documentation in `README.md`, `AGENTS.md` & `GEMINI.md`. - Add `SECURITY.md`. - Pin GHA actions to git revisions. - Minimize permission scopes in GHA workflows. - Improve `Scripts/mas`. - Cleanup code.
README.md.README.md,AGENTS.md&GEMINI.md.SECURITY.md.Scripts/mas.