- Replace low-count E2E non-null assertions with store guards and optional expectations
- Use expectDefined for tool adapter and XPath node lookups
- Validate affected engine and E2E tests
- 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
- 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 tools.test.ts into focused registry, create, modify, read, and structure files
- Add shared tool test helpers for graph setup and tool lookup
- Preserve all 38 tool tests after the split
