Summary

• add layout editor preview background selection, context-menu removal, full-image preview, and canvas background rendering using the project resolution
• update default repository template styles with active menu text, shared black text strokes, and choice-item child interaction inheritance defaults
• preserve text style stroke color resources in export/projection data, update the runtime action schema test coverage, and bump route-graphics to 1.7.2

Validation

• bun run lint
• bunx vitest run tests/project/projection.test.js tests/commandLineRuntimeAction/commandLineRuntimeAction.schema.test.js
• bun run check:contracts (fails due to existing repo-wide diagnostics unrelated to this branch)