Architecture Decision Records (adr)

• ADR-0001: Adopt IEC 61508 SIL 3 / DO-178C Level B as the qualification target
• ADR-0002: cppcheck-only MISRA enforcement under a FOSS-only budget
• ADR-0003: Test-only access to internal symbols via <module>_internal.h
• ADR-0004: DO-178C 6.4.4.3 deactivated-condition policy with regen-script auto-classification