fix: refresh rush lockfile for Node 24 canvas install

[xile611]

Summary

• refresh the Rush lockfile while keeping canvas 2.11.2
• resolve canvas 2.11.2 installation on Node 24 by updating transitive resolutions in the lockfile
• preserve the existing package manifests instead of upgrading canvas to 3.x

Verification

• rush update --full
• node -e require(canvas) createCanvas check in packages/vrender
• pre-push hook ran rush test --only tag:package successfully

[Copilot]

Pull request overview

This PR adds and wires up background-image layout capabilities (sizing + positioning) across stage/group/text rendering, and includes a browser demo page plus unit tests validating the new behavior.

Changes:

• Introduce shared background-image layout helpers (drawBackgroundImage, sizing + position resolution) and use them in stage clear and background render contributions.
• Extend core types/defaults to support backgroundSizing and backgroundPosition (CSS-like anchoring).
• Add a browser demo page and a new Jest test suite covering layout behaviors and wrapped-background resource key handling.

Reviewed changes

Copilot reviewed 15 out of 16 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
packages/vrender/tests/browser/src/pages/index.ts	Adds the new “background” demo page entry.
packages/vrender/tests/browser/src/pages/background.ts	New browser demo exercising background sizing/position/clip across stage/group/text.
packages/vrender-core/src/render/contributions/render/draw-contribution.ts	Uses shared background-image drawing during clear-screen for stage backgrounds.
packages/vrender-core/src/render/contributions/render/contributions/text-contribution-render.ts	Adds clip/sizing/position forwarding for text background images.
packages/vrender-core/src/render/contributions/render/contributions/group-contribution-render.ts	Forwards sizing/position and updates resource-key lookup for group background images.
packages/vrender-core/src/render/contributions/render/contributions/base-contribution-render.ts	Adds shared sizing/position logic + resource-key normalization helpers.
packages/vrender-core/src/interface/stage.ts	Broadens stage background typing to allow graphic background types.
packages/vrender-core/src/interface/render.ts	Broadens clear typing to match graphic background types.
packages/vrender-core/src/interface/layer.ts	Broadens layer background typing to match graphic background types.
packages/vrender-core/src/interface/graphic.ts	Introduces backgroundSizing/backgroundPosition types + docs.
packages/vrender-core/src/graphic/graphic.ts	Unwraps { background: ... } when loading background images.
packages/vrender-core/src/graphic/config.ts	Adds defaults for backgroundSizing and backgroundPosition.
packages/vrender-core/src/core/stage.ts	Updates stage background type and background-image loading behavior.
packages/vrender-core/src/core/layer.ts	Aligns layer background type with updated interface.
packages/vrender-core/tests/background/background-image-layout.test.ts	New tests covering sizing/positioning and resource-key normalization.

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