Add support for importing embedded SVG image elements

[jsjgdh]

No description provided.

[gemini-code-assist]

Code Review

This pull request refactors the font and resource loading system by introducing a backend-driven asynchronous resource resolution system using a new network message handler and client. Text nodes are updated to use font resources via ResourceId instead of passing Font structs directly, and support is added for importing embedded SVG images. The review feedback suggests optimizing SVG image dimension extraction by reading only the image headers instead of decoding full pixel data, and resolving already-cached resources synchronously to avoid spawning redundant asynchronous network requests.

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[jsjgdh]

@cubic-dev

[cubic-dev-ai]

@cubic-dev

@jsjgdh I have started the AI code review. It will take a few minutes to complete.

[cubic-dev-ai]

1 issue found across 11 files

Confidence score: 4/5

• This PR appears safe to merge with minimal risk because the reported issue is a moderate performance inefficiency (5/10) rather than a correctness or data-loss bug.
• In editor/src/messages/portfolio/document/graph_operation/graph_operation_message_handler.rs, embedded image bytes are decoded once during import just to read dimensions and then decoded again later for rendering, which can add avoidable CPU overhead for image-heavy workflows.
• Pay close attention to editor/src/messages/portfolio/document/graph_operation/graph_operation_message_handler.rs - avoid redundant image decode work between import-time metadata extraction and render-time use.

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[cubic-dev-ai]

1 issue found across 6 files

Confidence score: 3/5

• There is a concrete user-facing risk in editor/src/messages/portfolio/document/graph_operation/graph_operation_message_handler.rs: import_usvg_image ignores usvg::ImageKind::SVG, so embedded SVG <image> content can be silently dropped during import.
• I’m scoring this as moderate merge risk because the issue is medium severity (6/10) with high confidence (9/10), and it affects import correctness rather than being purely internal or cosmetic.
• Pay close attention to editor/src/messages/portfolio/document/graph_operation/graph_operation_message_handler.rs - ensure SVG image kinds are handled so imported documents don’t lose embedded vector image content.

<sub>Reply with feedback, questions, or to request a fix.

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