- Replace remaining empty mock callbacks with explicit undefined returns
- Remove the last no-empty-function test exceptions
- Validate check and affected renderer/text tests
- 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
- Replace non-null assertions in canvas text rendering and mutation undo tests
- Use expectDefined for CanvasKit handles and getNodeOrThrow for graph nodes
- Validate check and affected engine tests
- Remove stale imports and unused locals from split engine and e2e tests
- Drop the targeted no-unused-vars test allowances
- Keep check and affected test suites warning-free
- Remove the broad test exception for consistent type imports
- Mark test-only core and helper imports as type imports where appropriate
- Keep targeted validation for affected engine tests
- Re-enable duplicate imports, radix, prefer-const, nested ternary, and silent catch checks in tests
- Drop the redundant spec-file override covered by the broader test override
- Fix the remaining test offenders surfaced by the stricter rules
- 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
- Merge structural lint rules into oxlint.json and remove the second config file
- Add #tests/* path aliases and rewrite deep test helper imports
- Ban new deep parent-relative imports through the shared lint config
- Move render.test.ts into focused JSX builder, tree render, grid layout, and text prop files
- Preserve all 56 render tests and keep scoped non-null assertion enforcement on the new folder
- Validate the split with the render/jsx test folder and the full check command
