fix(write): write *.0

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 76.06%. Comparing base (71216ae) to head (62de433). Report is 10 commits behind head on main.

Files	Patch %	Lines
src/parser/neu_json_rw.c	33.33%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2089 +/- ## ========================================== - Coverage 76.07% 76.06% -0.02% ========================================== Files 104 104 Lines 18796 18802 +6 ========================================== + Hits 14299 14301 +2 - Misses 4497 4501 +4 ```

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