Enable CanvasKit half-leading for solid and gradient paragraph rendering while preserving the existing font fallback system.\n\nCo-authored-by: jongwong <jongwong@aliyun.com>
- Add case, justification, vertical alignment, truncation, max-lines, and OpenType controls
- Apply visual text case and measured vertical offsets in CanvasKit rendering
- Preserve nullable preview values, shared text styles, font demand, and .fig metadata
- Add panel, engine, and canvas visual coverage
- Add mixed-selection cap, join, and miter-limit controls with one-step undo
- Apply node miter limits across CanvasKit stroke paths and vector outline caches
- Preserve imported and edited stroke geometry through Plugin API and .fig roundtrips
- useEditorSetup() / useEditorSetupWithClear() in tests/e2e/fixtures.ts
- Migrated 17 specs to shared fixture, removing ~300 lines of boilerplate
- Moved getSelectedNode/getSelectedNodes to shared store helpers
- Replaced inline getSelectedNode in 4 specs with shared import
- Test duplication: 329 → 308 clones (10.12% → 9.08%)
- Add &no-rulers to all E2E test URLs that use &no-chrome
- Regenerate snapshots without ruler ticks/selection badges
- Remove stale snapshot dirs from old test paths
- Expose window.openPencil.getStore() instead of a direct store property
- Update E2E helpers and specs to use the bridge getter
- Add lint coverage preventing direct window.openPencil.store access
- Remove remaining test non-null assertions and delete the broad test override
- Add explicit guards for canvas, design panel, auto-layout, SVG, Kiwi, hit-test, scene graph, text editor, and clipboard tests
- Validate check plus affected engine and E2E coverage
- Route browser globals through src/app/window-api.ts instead of private __OPEN_PENCIL fields
- Move E2E tests to the public window.openPencil test API
- Add an oxlint rule banning direct window.__OPEN_PENCIL* access
- Replace browser store non-null assertions with explicit initialization guards
- Use expectDefined for optional test resources and tool results
- Clean low-count non-null assertions in font, icon, snap, OKHCL, and visual tests
- Configure oxfmt custom import groups for workspace, app, package, and test aliases
- Keep type imports grouped with their matching source category instead of one global tail group
- Expand the format script to cover formatter config, Vite files, and scripts
- Move top-level engine and e2e prefixed test files under domain folders
- Update fixture path helpers after moving render and pen tests
- Add lint coverage to prevent new top-level prefixed test files
- Refresh testing docs for the new fig and layout paths
