feat: start tracer after request read

[jayantxie]

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optimize

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.41%. Comparing base (6c99666) to head (08eea64).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1833      +/-   ##
==========================================
- Coverage   60.45%   60.41%   -0.05%     
==========================================
  Files         380      380              
  Lines       34496    34506      +10     
==========================================
- Hits        20855    20847       -8     
- Misses      12371    12387      +16     
- Partials     1270     1272       +2     

Flag	Coverage Δ
integration	48.32% <100.00%> (+0.08%)	⬆️
unit	50.92% <100.00%> (+0.02%)	⬆️

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