refactor: clean up validator plugins

[mrlubos]

Related #1473
Closes #2672

TODO

• fix Valibot tests

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🦋 Changeset detected

Latest commit: 022f7dd

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

This PR includes changesets to release 2 packages

Name	Type
@hey-api/openapi-ts	Patch
@hey-api/codegen-core	Patch

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Project	Deployment	Preview	Comments	Updated (UTC)
hey-api-docs	Ready	Preview	Comment	Oct 23, 2025 1:41am

[codecov]

Codecov Report

❌ Patch coverage is 18.98216% with 2770 lines in your changes missing coverage. Please review.
✅ Project coverage is 30.26%. Comparing base (fb9460b) to head (022f7dd).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
...ckages/openapi-ts/src/plugins/valibot/v1/plugin.ts	5.43%	261 Missing ⚠️
...ages/openapi-ts/src/plugins/@hey-api/sdk/plugin.ts	0.00%	215 Missing ⚠️
.../openapi-ts/src/plugins/valibot/v1/toAst/number.ts	2.35%	207 Missing ⚠️
packages/openapi-ts/src/plugins/arktype/config.ts	8.87%	195 Missing ⚠️
...ckages/openapi-ts/src/plugins/arktype/v2/plugin.ts	6.25%	165 Missing ⚠️
...es/openapi-ts/src/plugins/shared/utils/instance.ts	22.03%	138 Missing ⚠️
.../openapi-ts/src/plugins/valibot/v1/toAst/string.ts	3.10%	125 Missing ⚠️
.../openapi-ts/src/plugins/arktype/v2/toAst/object.ts	5.35%	106 Missing ⚠️
...s/openapi-ts/src/plugins/valibot/v1/toAst/index.ts	11.71%	98 Missing ⚠️
...s/openapi-ts/src/plugins/valibot/v1/toAst/array.ts	7.61%	97 Missing ⚠️
... and 51 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2812      +/-   ##
==========================================
+ Coverage   29.15%   30.26%   +1.10%     
==========================================
  Files         391      465      +74     
  Lines       38104    39585    +1481     
  Branches     2272     2406     +134     
==========================================
+ Hits        11109    11980     +871     
- Misses      26965    27574     +609     
- Partials       30       31       +1     

Flag	Coverage Δ
unittests	30.26% <18.98%> (+1.10%)	⬆️

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commit: 022f7dd