fix(files): preserve image selection after resizing

[waleedlatif1]

Summary

• Preserve image selection when committing a resize so Backspace targets the image, not adjacent text.
• Update dimensions and selection in one ProseMirror transaction; retain existing collaboration and cancellation safeguards.

Type of Change

• Bug fix

Testing

• Reproduced the failure before the fix in the browser and real two-editor Yjs tests.
• Verified loaded heading, paragraph, and block images: resize, immediate Backspace, undo/redo, peer synchronization, and reload persistence.
• 1,413 editor tests passed. Lint, type-check, all 46 repository audits including API-boundary validation, block-registry, and docs-manifest checks passed.
• All eight cleanup passes completed; no new UI, dependency, schema, or protocol changes.

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Actions	Updated
docs	Skipped		Sep 9, 2026 12:08am UTC

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge, with the resize transaction and collaboration safeguards covered by focused tests.

Summary

• Preserves immediate Backspace behavior after resizing.
• Retains cancellation, editability, detached-node, and collaboration safeguards.
• Adds block and inline image coverage for selection, deletion, undo/redo, peer synchronization, and unchanged surrounding text.