feat: improve callback definition

[mrh997]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.73%. Comparing base (17fe26e) to head (71b3f9b).
⚠️ Report is 1 commits behind head on release/agentic_model.

Additional details and impacted files

@@                    Coverage Diff                    @@
##           release/agentic_model     #692      +/-   ##
=========================================================
- Coverage                  79.81%   79.73%   -0.09%     
=========================================================
  Files                        132      132              
  Lines                      13327    13327              
=========================================================
- Hits                       10637    10626      -11     
- Misses                      1831     1843      +12     
+ Partials                     859      858       -1     

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