More python support

[kunitoki]

This pull request introduces several important bug fixes and feature enhancements across the GPU/RHI, graphics, and UI subsystems, as well as improvements to Python bindings and memory management. The changes focus on making GPU resource management safer, improving developer ergonomics, fixing subtle memory and correctness bugs, and enhancing Python integration.

Key changes include:

Python Bindings Enhancements

• Python bindings now expose GpuColor, GpuLoadOp, GpuStoreOp, and related render options, improving scripting and automation capabilities. ([CHANGELOG.mdR111-R112](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR111-R112))

GPU/RHI and Memory Safety Improvements

• The yup_rhi descriptor classes now own their data instead of referencing caller-managed memory, making GPU resource management safer and simplifying usage patterns. This affects types like GpuVertexBufferLayout, GpuPipelineOptions, GpuShaderSource, and others. ([CHANGELOG.mdR19-R38](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR19-R38))
• GpuDevice's move constructor and move assignment are now deleted to prevent accidental refcount corruption, addressing a critical memory safety issue. ([CHANGELOG.mdR19-R38](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR19-R38))
• GpuBuffer::Impl and related methods were made private, with backend factories given friend access, further encapsulating internal implementation details. ([CHANGELOG.mdR19-R38](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR19-R38))

GPU/Graphics Bug Fixes and Feature Additions

• Fixed several memory and correctness bugs: GpuSamplerDesc::label and GpuTextureDesc::label are now owned Strings to prevent dangling pointers; pipeline entry-point names are now owned, resolving lifetime issues; and the WebGPU compute path now respects shader source length. ([CHANGELOG.mdR57-R65](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR57-R65))
• Added GpuFrameDescriptor to decouple public APIs from Rive types, and extended GpuCanvas::beginDraw() to allow more control over frame options. ([CHANGELOG.mdR57-R65](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR57-R65))
• Image::getWidth() and getHeight() now safely return 0 for invalid images instead of asserting, improving robustness. ([CHANGELOG.mdR19-R38](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR19-R38))

Graphics and Image Management

• ImageFormatReader and ImageFormatWriter now accept a deleteSourceWhenDestroyed parameter, allowing more flexible and leak-free management of stream ownership, especially for Python integrations. ([CHANGELOG.mdR147-R151](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR147-R151))

UI and Exception Safety

• Fixed a bug where exceptions thrown during painting could leave the graphics frame open, by introducing a scope guard to ensure proper cleanup in SDLComponentNative::renderFrame(). ([CHANGELOG.mdR147-R151](https://github.com/kunitoki/yup/pull/149/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR147-R151))

These changes collectively improve the safety, usability, and extensibility of the codebase, especially around GPU resource management and Python integration.

[codecov]

Codecov Report

❌ Patch coverage is 82.06178% with 482 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.10%. Comparing base (69af3ee) to head (f50cd44).

Files with missing lines	Patch %	Lines
...s/yup_python/bindings/yup_YupGraphics_bindings.cpp	82.29%	94 Missing ⚠️
...odules/yup_python/bindings/yup_YupGui_bindings.cpp	86.18%	76 Missing ⚠️
modules/yup_python/bindings/yup_YupGui_bindings.h	23.46%	75 Missing ⚠️
...les/yup_python/bindings/yup_YupGraphics_bindings.h	43.51%	61 Missing ⚠️
...odules/yup_python/bindings/yup_YupRhi_bindings.cpp	90.07%	54 Missing ⚠️
...io_formats/sources/yup_AudioFormatReaderSource.cpp	38.59%	35 Missing ⚠️
...dules/yup_python/bindings/yup_YupCore_bindings.cpp	93.82%	20 Missing ⚠️
...p_python/bindings/yup_YupAudioFormats_bindings.cpp	70.31%	19 Missing ⚠️
...p_python/bindings/yup_YupAudioDevices_bindings.cpp	91.55%	13 Missing ⚠️
...yup_python/bindings/yup_YupAudioDevices_bindings.h	0.00%	8 Missing ⚠️
... and 9 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #149      +/-   ##
==========================================
+ Coverage   81.87%   82.10%   +0.22%     
==========================================
  Files         809      818       +9     
  Lines       84867    87399    +2532     
==========================================
+ Hits        69482    71755    +2273     
- Misses      15385    15644     +259     

Files with missing lines	Coverage Δ
..._animation/renderer/yup_AnimationFrameExporter.cpp	82.50% <ø> (ø)
...up_animation/renderer/yup_AnimationFrameExporter.h	0.00% <ø> (ø)
...odules/yup_audio_gui/displays/yup_CartesianPlane.h	96.55% <ø> (ø)
modules/yup_core/containers/yup_TypeErasedObject.h	100.00% <100.00%> (ø)
modules/yup_core/network/yup_IPAddress.cpp	95.60% <100.00%> (+2.16%)	⬆️
modules/yup_graphics/graphics/yup_Graphics.cpp	96.21% <100.00%> (+0.02%)	⬆️
modules/yup_graphics/graphics/yup_Graphics.h	100.00% <ø> (ø)
modules/yup_graphics/imaging/yup_Image.cpp	99.17% <100.00%> (-0.02%)	⬇️
modules/yup_graphics/imaging/yup_Image.h	100.00% <ø> (ø)
...dules/yup_graphics/imaging/yup_ImageFormatReader.h	87.50% <ø> (ø)
... and 37 more

... and 25 files with indirect coverage changes

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