refactor: Refactor PsiClassHelper utilities

[tangcent]

The changes centralize PsiClass-related utilities and improve code organization while maintaining functionality

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 56.62651% with 36 lines in your changes missing coverage. Please review.

Project coverage is 53.984%. Comparing base (877cc45) to head (ddb7faa).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...com/itangcent/idea/psi/ContextualPsiClassHelper.kt	68.750%	7 Missing and 3 partials ⚠️
...com/itangcent/idea/psi/CustomizedPsiClassHelper.kt	57.895%	6 Missing and 2 partials ⚠️
...com/itangcent/idea/plugin/rule/ScriptRuleParser.kt	0.000%	6 Missing ⚠️
.../idea/plugin/api/infer/DefaultMethodInferHelper.kt	33.333%	2 Missing and 2 partials ⚠️
.../export/feign/RequestLineRequestMappingResolver.kt	0.000%	2 Missing ⚠️
...gcent/idea/plugin/api/infer/AIMethodInferHelper.kt	0.000%	2 Missing ⚠️
...dea/plugin/api/cache/CachedRequestClassExporter.kt	0.000%	0 Missing and 1 partial ⚠️
...t/idea/plugin/api/dashboard/ApiDashboardService.kt	0.000%	1 Missing ⚠️
...pi/export/generic/GenericMethodDocClassExporter.kt	0.000%	1 Missing ⚠️
...idea/plugin/api/export/http/HttpClientFormatter.kt	0.000%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##              master      #606       +/-   ##
===============================================
+ Coverage     53.866%   53.984%   +0.118%     
- Complexity      2365      2369        +4     
===============================================
  Files            259       259               
  Lines          14668     14697       +29     
  Branches        3248      3247        -1     
===============================================
+ Hits            7901      7934       +33     
+ Misses          5320      5318        -2     
+ Partials        1447      1445        -2     

Flag	Coverage Δ
unittests	53.984% <56.627%> (+0.118%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...om/itangcent/idea/plugin/api/cache/FileApiCache.kt	50.485% <ø> (ø)
...dea/plugin/api/export/core/RequestClassExporter.kt	59.660% <100.000%> (ø)
...gcent/idea/plugin/api/export/suv/SuvApiExporter.kt	0.000% <ø> (ø)
...angcent/idea/plugin/rule/FieldPatternRuleParser.kt	79.032% <ø> (ø)
...n/com/itangcent/idea/plugin/rule/SuvRuleContext.kt	65.625% <100.000%> (+1.109%)	⬆️
...n/com/itangcent/idea/psi/PsiClassHelperProvider.kt	100.000% <100.000%> (ø)
...m/itangcent/intellij/context/AutoClearSupporter.kt	38.462% <ø> (ø)
.../kotlin/com/itangcent/spi/SpiSingleBeanProvider.kt	60.000% <100.000%> (ø)
...main/kotlin/com/itangcent/suv/http/OkHttpClient.kt	74.803% <ø> (ø)
...dea/plugin/api/cache/CachedRequestClassExporter.kt	48.148% <0.000%> (ø)
... and 9 more

... and 3 files with indirect coverage changes

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