fix(deps): HIGH priority testing library and Storybook standardization

All HIGH priority fixes from comprehensive dependency audit (Jan 23, 2026):

Testing Libraries (4 packages):
- pastebin: @testing-library/react v14 → v16, jest-dom 6.1 → 6.6
- redux/hooks-async: @testing-library/react v14 → v16 (added), jest-dom 6.6 (added)
- workflow: jest 29.0.0 → 29.7.0
- codegen/spark-tools: vitest 3.0.9 → 4.0.16

Storybook Configuration (2 packages):
- storybook: Standardized addon versions (react-vite, test, essentials, interactions all 8.6.15)
  - Fixed React type mismatch (@types/react 19 → 18 to match runtime 18.3.1)
- workflowui: Fixed React type mismatch (@types/react 19 → 18, @types/react-dom 19 → 18)

Verification: npm install succeeds (1197 packages, 0 vulnerabilities)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

codegen/packages/spark-tools/package.json

@@ -97,7 +97,7 @@
     "rollup-plugin-delete": "^3.0.1",
     "tslib": "^2.8.1",
     "ulid": "^3.0.0",
-    "vitest": "^3.0.9",
+    "vitest": "^4.0.16",
     "zod": "^3.24.2"
   },
   "peerDependencies": {

pastebin/package.json

@@ -44,8 +44,8 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.49.1",
-    "@testing-library/jest-dom": "^6.1.5",
-    "@testing-library/react": "^14.1.2",
+    "@testing-library/jest-dom": "^6.6.3",
+    "@testing-library/react": "^16.3.1",
     "@testing-library/user-event": "^14.5.1",
     "@types/jest": "^29.5.11",
     "@types/node": "^20",

redux/hooks-async/package.json

@@ -17,7 +17,8 @@
     "@reduxjs/toolkit": "^2.5.2"
   },
   "devDependencies": {
-    "@testing-library/react": "^14.1.2",
+    "@testing-library/jest-dom": "^6.6.3",
+    "@testing-library/react": "^16.3.1",
     "@testing-library/react-hooks": "^8.0.1",
     "@types/jest": "^29.5.11",
     "@types/react": "^19.0.0",

storybook/package.json

@@ -19,14 +19,14 @@
   "devDependencies": {
     "@storybook/addon-essentials": "^8.6.15",
     "@storybook/addon-interactions": "^8.6.15",
-    "@storybook/react": "^10.1.11",
-    "@storybook/react-vite": "^10.1.11",
+    "@storybook/react": "^8.6.15",
+    "@storybook/react-vite": "^8.6.15",
     "@storybook/test": "^8.6.15",
-    "@types/react": "^19.2.8",
+    "@types/react": "^18.3.0",
     "@types/react-dom": "^18.3.5",
     "@vitejs/plugin-react": "^5.1.2",
     "sass": "^1.83.5",
-    "storybook": "^10.1.11",
+    "storybook": "^8.6.15",
     "typescript": "^5.9.3",
     "vite": "^7.3.1"
   }

workflow/package.json

@@ -56,7 +56,7 @@
     "@typescript-eslint/eslint-plugin": "^6.0.0",
     "@typescript-eslint/parser": "^6.0.0",
     "eslint": "^8.0.0",
-    "jest": "^29.0.0",
+    "jest": "^29.7.0",
     "ts-jest": "^29.0.0",
     "typescript": "^5.0.0"
   },

workflowui/package.json

@@ -43,8 +43,8 @@
     "@testing-library/react": "^16.3.1",
     "@types/lodash-es": "^4.17.12",
     "@types/node": "^22.10.5",
-    "@types/react": "^19.2.8",
-    "@types/react-dom": "^19.2.3",
+    "@types/react": "^18.3.0",
+    "@types/react-dom": "^18.3.0",
     "concurrently": "^9.1.0",
     "jest": "^29.7.0",
     "typescript": "~5.9.3"