[Application] 경로 차단 스케줄 툴팁 표시

[95x8x9]

Summary

• 시뮬레이션/시나리오 캔버스의 경로 차단(door/connection block) 표시에 hover 툴팁(말풍선)으로 차단 스케줄 시간만 표시합니다.

Related Issue

• None (application-only PR)

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
• Not run (reason below)

Risks / Follow-up

• 없음

[learncold]

Reviewed locally. No blocking issues found. Verified with cmake --preset windows-debug, cmake --build --preset build-debug, and ctest --preset test-debug.