feat(avoidance): output slow down wall marker

[satoshi-ota]

Description

🤖 Generated by Copilot at eb0cfe6

Implemented a method to calculate the ego vehicle's slow pose for obstacle avoidance. The method uses the shifted_path and the start_index and distance_to_object parameters from the avoidance_module class.

Related links

Tests performed

Psim

Notes for reviewers

Interface changes

Nothing.

Effects on system behavior

Enhance rviz marker.

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (91a8432) 15.16% compared to head (eb0cfe6) 15.16%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4341      +/-   ##
==========================================
- Coverage   15.16%   15.16%   -0.01%     
==========================================
  Files        1496     1496              
  Lines      102997   102998       +1     
  Branches    31636    31637       +1     
==========================================
  Hits        15624    15624              
- Misses      70365    70366       +1     
  Partials    17008    17008              

Flag	Coverage Δ		*Carryforward flag
differential	13.57% <0.00%> (?)
total	15.16% <ø> (ø)		Carriedforward from 91a8432

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
...er/src/scene_module/avoidance/avoidance_module.cpp	11.54% <0.00%> (-0.01%)	⬇️

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