[Domain] Refine fire smoke reaction behavior

[SilverSupplier]

Summary

• Consolidates fire/smoke hazard runtime rules in the domain layer and removes duplicated UI-side hazard logic.
• Improves hazard-aware route scoring using actual route geometry and separates physical exposure from detection sensitivity.
• Preserves open-ended hazard schedules in authoring UI and aligns smoke slowdown with Pathfinder visibility-based behavior as a partial Task-smoke / visibility / FED / FDS 연동 파이프라인 확장 #102 follow-up.

Related Issue

• Closes Task-Fire/Smoke crowd reaction behavior 구현 #222
• References Task-smoke / visibility / FED / FDS 연동 파이프라인 확장 #102

Area

• Engine
• Domain
• Application
• Docs
• Build
• Analysis
• Chore

Architecture Check

• I kept the dependency direction application -> domain -> engine.
• I did not add Qt UI code to src/domain.
• I did not add domain or application dependencies to src/engine.
• I used src/ as the include root.

Verification

• cmake --preset windows-debug
• cmake --build --preset build-debug
• ctest --preset test-debug
• MSBuild safecrowd_app.vcxproj Debug x64
• build/vs2022/windows-debug-no-app/Debug/safecrowd_tests.exe

Risks / Follow-up

• Full FDS/PyroSim visibility/FED ingestion remains in Task-smoke / visibility / FED / FDS 연동 파이프라인 확장 #102; this PR only adds the local visibility-based smoke response rule used by current authored hazards.