Fix arithmetic expression crash in project-install.sh#317

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Perlover wants to merge 2 commits intobuildermethods:mainfrom

Perlover:v3-patch-01

Commits on Jan 22, 2026

Fix arithmetic expression crash in project-install.sh
Perlover
committed

Commits on Jan 23, 2026

Fix post-increment exit code issues in bash scripts
Perlover
committed