test(react): add tests to reach 99% coverage and enable 80% thresholds

- Fill validation.ts gaps: minTime, maxTime, minItems, maxItems,
  required empty array
- Create use-data-form.test.ts: 47 tests covering state, scoping,
  groups, sections, setValue, validation, dirty/valid, actions,
  getFieldProps, fireEvent, bootstrap, translate, permitted
- Create use-data-table.test.ts: 41 tests covering columns,
  toggleColumn, fetch/reload, setSort, setFilter, setLimit, selection,
  formatValue, actions, getRowActions, permitted
- Add @testing-library/react and react-dom as dev dependencies
- Enable 80% coverage thresholds in vitest.config.ts
React coverage: 26% → 99.73% lines.

https://claude.ai/code/session_01DcGDGNKmyUHf1DRxxeLGPZ

Author: claude

packages/react/package.json

@@ -19,10 +19,13 @@
     "react": ">=18"
   },
   "devDependencies": {
+    "@testing-library/react": "^16.3.2",
     "@types/react": "^19.0.0",
     "@vitest/coverage-v8": "^3.2.4",
     "@ybyra/core": "workspace:*",
-    "react": "^19.0.0",
+    "jsdom": "^28.0.0",
+    "react": "19.1.0",
+    "react-dom": "^19.1.0",
     "tsup": "^8.0.0",
     "typescript": "^5.7.0",
     "vitest": "^3.0.0"