Docker baseline before Phase 6 modernization

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

frontend/package.json

@@ -44,7 +44,7 @@
     "eslint-plugin-react-refresh": "^0.4.4",
     "postcss": "^8.4.32",
     "tailwindcss": "^3.3.6",
-    "typescript": "^5.3.2",
+    "typescript": "^5.6.3",
     "vite": "^5.0.6",
     "vitest": "^1.0.1",
     "@testing-library/react": "^16.0.0",