chore: fix MinGW builds

[ashtum]

MinGW does not export vtables when a method is exported

[cppalliance-bot]

GCOVR code coverage report https://115.beast2.prtest3.cppalliance.org/gcovr/index.html
LCOV code coverage report https://115.beast2.prtest3.cppalliance.org/genhtml/index.html
Coverage Diff https://115.beast2.prtest3.cppalliance.org/gcovr/coverage_diff.txt

Build time: 2025-12-01 11:42:37 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.25%. Comparing base (925b95d) to head (5f5f824).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #115   +/-   ##
========================================
  Coverage    53.25%   53.25%           
========================================
  Files           38       38           
  Lines         1690     1690           
========================================
  Hits           900      900           
  Misses         790      790           

Files with missing lines	Coverage Δ
src/server/basic_router.cpp	97.91% <100.00%> (ø)

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[cppalliance-bot]

An automated preview of the documentation is available at https://115.beast2.prtest3.cppalliance.org/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2025-12-01 12:00:42 UTC