fix #140 and add debug lines to csa.h/cpp

[mpadge]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.27%. Comparing base (45ab2c6) to head (caaa4e9).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
R/router.R	41.17%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #142      +/-   ##
==========================================
- Coverage   81.61%   81.27%   -0.34%     
==========================================
  Files          20       20              
  Lines        1953     1971      +18     
==========================================
+ Hits         1594     1602       +8     
- Misses        359      369      +10     

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