6a7abe0b87
Add local/scripts/cleanup-build.sh - a git-aware cleanup script that uses 'git ls-files' to whitelist tracked files before deletion. Prevents the class of cleanup disasters that deleted local recipe sources and local fork sources. Update AGENTS.md with the new safe cleanup procedure. Update CONSOLE-TO-KDE-DESKTOP-PLAN.md to v5.8 with the qtdeclarative qfeatures.h fix and the new safe cleanup script.