add arbiter-engine error handling

[Autoparallel]

Give an overview of the tasks completed
Give a clear and high level level overview of the tasks completed in this pull request.

Link to issue(s) that this PR closes
Closes #851

[codecov]

Codecov Report

Attention: 21 lines in your changes are missing coverage. Please review.

Comparison is base (d0ec29a) 16.77% compared to head (2121757) 16.97%.
Report is 3 commits behind head on main.

Files	Patch %	Lines
arbiter-engine/src/messager.rs	60.00%	12 Missing ⚠️
arbiter-engine/src/agent.rs	73.33%	4 Missing ⚠️
arbiter-engine/src/world.rs	91.66%	3 Missing ⚠️
arbiter-macros/src/lib.rs	93.10%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #852      +/-   ##
==========================================
+ Coverage   16.77%   16.97%   +0.20%     
==========================================
  Files          39       41       +2     
  Lines       30124    30194      +70     
==========================================
+ Hits         5053     5126      +73     
+ Misses      25071    25068       -3     

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[kinrezC]

LGTM