Spectral processor

[kunitoki]

This pull request introduces a new "Spectral Processor" type of audio processor (separated from the Audio Processor but unified at the AudioProcessorBase level) and refactors the audio processor interface to use a unified AudioSpec and SpectralSpec struct for initialization together with AudioProcessContext and SpectralProcessContext, improving code consistency and extensibility via a new templated DomainProcessor<DomainProcessContext, DomainSpecification>. The changes include the implementation and registration of a new audio graph node for processing a passthrough signal using the SpectralBridge class that bridges audio to spectral to audio (which will be the base for future spectral nodes) .

Implements the RFC #101

[codecov]

Codecov Report

❌ Patch coverage is 83.59375% with 84 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.60%. Comparing base (7cfe114) to head (5c364a3).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...p_audio_processors/spectral/yup_SpectralBridge.cpp	84.44%	35 Missing ⚠️
...udio_processors/spectral/yup_SpectralProcessor.cpp	10.34%	26 Missing ⚠️
...o_processors/processors/yup_AudioProcessorBase.cpp	87.50%	10 Missing ⚠️
..._audio_processors/processors/yup_DomainProcessor.h	56.25%	7 Missing ⚠️
...dio_processors/processors/yup_AudioProcessorBase.h	92.68%	3 Missing ⚠️
...yup_audio_basics/buffers/yup_AudioSpectralBuffer.h	97.77%	2 Missing ⚠️
...yup_audio_processors/spectral/yup_SpectralBridge.h	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #116      +/-   ##
==========================================
+ Coverage   78.57%   78.60%   +0.03%     
==========================================
  Files         605      614       +9     
  Lines       60567    60956     +389     
==========================================
+ Hits        47592    47916     +324     
- Misses      12975    13040      +65     

Files with missing lines	Coverage Δ
.../yup_audio_graph/graph/yup_AudioGraphProcessor.cpp	94.78% <100.00%> (ø)
...es/yup_audio_graph/graph/yup_AudioGraphProcessor.h	0.00% <ø> (ø)
...p_audio_processors/processors/yup_AudioBusLayout.h	100.00% <100.00%> (ø)
...audio_processors/processors/yup_AudioProcessor.cpp	59.37% <100.00%> (-15.19%)	⬇️
...p_audio_processors/processors/yup_AudioProcessor.h	50.00% <ø> (-33.79%)	⬇️
...es/yup_audio_processors/processors/yup_AudioSpec.h	100.00% <100.00%> (ø)
...s/yup_audio_processors/spectral/yup_SpectralSpec.h	100.00% <100.00%> (ø)
...yup_audio_processors/spectral/yup_SpectralBridge.h	83.33% <83.33%> (ø)
...yup_audio_basics/buffers/yup_AudioSpectralBuffer.h	97.77% <97.77%> (ø)
...dio_processors/processors/yup_AudioProcessorBase.h	92.68% <92.68%> (ø)
... and 4 more

... and 6 files with indirect coverage changes

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