refactor: update GetRawData to return std::span

[Machillka]

Summary by CodeRabbit

• Refactor
  • Updated memory stream data access to provide read-only, non-owning byte views.
  • Updated prefab and scene serialization workflows to copy captured data into stored buffers.
  • Adjusted integration tests to work with the updated memory stream interface.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: bde8aa09-9671-470c-9f30-7348eb323126

📥 Commits

Reviewing files that changed from the base of the PR and between e155356 and 49fa874.

📒 Files selected for processing (5)

• engine/Runtime/Core/include/ChikaEngine/io/MemoryStream.h
• engine/Runtime/Core/src/io/MemoryStream.cpp
• engine/Runtime/Framework/src/prefab/Prefab.cpp
• engine/Runtime/Framework/src/scene/scene.cpp
• tests/integration/ColliderAuthoringTests.cpp

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📝 Walkthrough

Walkthrough

MemoryStream::GetRawData() now returns a read-only std::span. Prefab capture and scene backup code copy the span into byte vectors. Integration tests use value bindings for the returned data.

Changes

MemoryStream raw data API

Layer / File(s)	Summary
Read-only raw data flow engine/Runtime/Core/include/ChikaEngine/io/MemoryStream.h, engine/Runtime/Core/src/io/MemoryStream.cpp, engine/Runtime/Framework/src/prefab/Prefab.cpp, engine/Runtime/Framework/src/scene/scene.cpp, tests/integration/ColliderAuthoringTests.cpp	GetRawData() returns [[nodiscard]] std::span<const std::byte> and is callable on const streams. Prefab capture and scene backup copy the returned bytes into vectors. Integration tests bind the returned data by value.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Refactor

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch core

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