Generate unique id for simple client

[fafhrd91]

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[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 4 lines in your changes missing coverage. Please review.

Project coverage is 84.55%. Comparing base (7112763) to head (d0b964d).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/client/simple.rs	76.92%	3 Missing ⚠️
src/client/mod.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #58      +/-   ##
==========================================
- Coverage   85.46%   84.55%   -0.91%     
==========================================
  Files          41       41              
  Lines        6589     6066     -523     
==========================================
- Hits         5631     5129     -502     
+ Misses        958      937      -21     

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