Fix bugs in core classes + add test suite and CI pipeline#9

Draft

kartikeyg0104 wants to merge 1 commit intoEAPD-DRB:mainfrom

kartikeyg0104:feature/code-quality-bugfix-testing

Commits on Feb 22, 2026

fix: EmissionActivityRatio typo, context managers in FileClass, CustomThread.join timeout, add pytest suite + CI
kartikeyg0104
committed