Full cleanup pass

package.json

@@ -16,17 +16,15 @@
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx --max-warnings 9999",
     "postinstall": "npm rebuild lightningcss && prisma generate",
     "storybook": "storybook dev -p 6006",
-    "storybook:local": "storybook dev -p 6006",
     "storybook:github": "STORYBOOK_BASE_PATH=true storybook dev -p 6006",
     "storybook:build": "storybook build",
     "storybook:build:github": "STORYBOOK_BASE_PATH=true storybook build",
-    "build-storybook": "storybook build",
+    "knip": "knip",
     "test": "vitest run --coverage",
     "test:watch": "vitest",
     "test:ui": "vitest --ui",
     "test:component": "vitest run tests/components",
     "e2e": "playwright test",
-    "test:e2e": "playwright test",
     "e2e:ui": "playwright test --ui",
     "e2e:performance": "playwright test tests/e2e/performance.spec.ts",
     "lhci": "lhci autorun",
@@ -52,7 +50,6 @@
     "@mdx-js/react": "^3.1.1",
     "@next/mdx": "^16.0.0",
     "@prisma/client": "^6.19.0",
-    "ajv": "^8.12.0",
     "critters": "^0.0.23",
     "gray-matter": "^4.0.3",
     "jspdf": "^2.5.2",
@@ -82,7 +79,6 @@
     "@typescript-eslint/eslint-plugin": "^8.41.0",
     "@typescript-eslint/parser": "^8.41.0",
     "@vitejs/plugin-react": "^5.0.2",
-    "@vitest/browser": "^3.2.4",
     "@vitest/coverage-v8": "^3.2.4",
     "eslint": "^9",
     "eslint-config-next": "^16.0.0",
@@ -91,7 +87,8 @@
     "jest-axe": "^10.0.0",
     "jsdom": "^26.1.0",
     "msw": "^2.10.5",
-    "playwright": "^1.54.2",
+    "knip": "^5.50.0",
+    "playwright": "^1.55.0",
     "postcss": "^8.5.6",
     "prettier": "^3.7.4",
     "prisma": "^6.19.0",
@@ -102,7 +99,6 @@
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.53.1",
     "vitest": "^3.2.4",
-    "wait-on": "^8.0.4",
     "web-vitals": "^4.2.4",
     "webpack-bundle-analyzer": "^4.10.1"
   }