fix: write running status when it's started

[yottahmd]

No description provided.

[codecov-commenter]

Codecov Report

Merging #115 (58c6511) into main (1f34176) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #115      +/-   ##
==========================================
+ Coverage   83.53%   83.55%   +0.02%     
==========================================
  Files          37       37              
  Lines        2806     2810       +4     
==========================================
+ Hits         2344     2348       +4     
  Misses        336      336              
  Partials      126      126              

Impacted Files	Coverage Δ
internal/agent/agent.go	78.24% <100.00%> (+0.33%)	⬆️

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