docs(behavior_path_planner): update goal planner docs

[kosuke55]

Description

update goal planner docs

🤖 Generated by Copilot at 292c7b8

This pull request improves the documentation of the goal planner module in the behavior path planner package. It explains the roles and interactions of the different submodules and provides visual and textual examples. It also defines the conditions for starting and finishing the goal planning process.

Related links

Tests performed

Notes for reviewers

Interface changes

not applicable

Effects on system behavior

not applicable

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[github-actions]

Documentation URL: https://autowarefoundation.github.io/autoware.universe/pr-3690/
Modified URLs:

• https://autowarefoundation.github.io/autoware.universe/pr-3690/planning/behavior_path_planner/behavior_path_planner_goal_planner_design/
• https://autowarefoundation.github.io/autoware.universe/pr-3690/planning/behavior_path_planner/behavior_path_planner_manager_design/

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.02 ⚠️

Comparison is base (81111f8) 14.78% compared to head (11ec297) 14.77%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3690      +/-   ##
==========================================
- Coverage   14.78%   14.77%   -0.02%     
==========================================
  Files        1301     1301              
  Lines       92611    93094     +483     
  Branches    29290    29623     +333     
==========================================
+ Hits        13689    13750      +61     
- Misses      64153    64545     +392     
- Partials    14769    14799      +30     

Flag	Coverage Δ		*Carryforward flag
differential	13.38% <ø> (?)
total	14.78% <ø> (ø)		Carriedforward from 4530b31

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

see 6 files with indirect coverage changes

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