fix: simplify symbol merging logic

[mrlubos]

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🦋 Changeset detected

Latest commit: 77bf81a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@hey-api/codegen-core	Patch

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Project	Deployment	Review	Updated (UTC)
hey-api-docs	Ready	Preview, Comment	Jan 2, 2026 5:06pm

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npm i https://pkg.pr.new/hey-api/openapi-ts/@hey-api/codegen-core@3169

npm i https://pkg.pr.new/hey-api/openapi-ts/@hey-api/nuxt@3169

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commit: 77bf81a

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 33.09%. Comparing base (24d8b03) to head (77bf81a).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3169   +/-   ##
=======================================
  Coverage   33.09%   33.09%           
=======================================
  Files         440      440           
  Lines       34420    34420           
  Branches     2212     2212           
=======================================
  Hits        11393    11393           
  Misses      22997    22997           
  Partials       30       30           

Flag	Coverage Δ
unittests	33.09% <ø> (ø)

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