chore: align frontend and backend dependencies for stability and compatibility (#1878)

Co-authored-by: Harmanpreet Kaur <[email protected]>

Author: Harmanpreet-Microsoft

code/frontend/package-lock.json

@@ -21,10 +21,12 @@
         "lodash-es": "^4.17.21",
         "microsoft-cognitiveservices-speech-sdk": "^1.44.1",
         "postcss": "^8.5.6",
-        "react": "^19.1.1",
-        "react-dom": "^19.1.1",
-        "react-markdown": "^10.1.0",
-        "react-router-dom": "^7.7.1",
+
+        "react": "^18.3.1",
+        "react-dom": "^18.3.1",
+        "react-markdown": "^9.1.0",
+        "react-router-dom": "^7.1.5",
+
         "rehype-raw": "^7.0.0",
         "remark-gfm": "^4.0.0",
         "remark-supersub": "^1.0.0",
@@ -37,22 +39,26 @@
         "@types/isomorphic-fetch": "^0.0.39",
         "@types/jest": "^30.0.0",
         "@types/lodash-es": "^4.17.12",
-        "@types/node": "^24.1.0",
-        "@types/react": "^19.1.9",
-        "@types/react-dom": "^19.1.7",
+
+        "@types/node": "^24.0.8",
+        "@types/react": "^18.3.1",
+        "@types/react-dom": "^18.3.1",
+
         "@types/testing-library__user-event": "^4.2.0",
         "@types/uuid": "^10.0.0",
         "identity-obj-proxy": "^3.0.0",
         "isomorphic-fetch": "^3.0.0",
         "jest": "^30.0.5",
         "jest-environment-jsdom": "^30.0.5",
         "msw": "^2.10.2",
-        "@vitejs/plugin-react": "^4.7.0",
+        "@vitejs/plugin-react": "^4.6.0",
         "prettier": "^3.6.2",
         "ts-jest": "^29.4.0",
         "ts-node": "^10.9.2",
-        "typescript": "^5.9.2",
-        "vite": "^7.0.6",
+
+        "typescript": "^5.8.2",
+        "vite": "^7.0.0",
+
         "vitest": "^3.2.4"
     }
 }

code/frontend/package.json

@@ -325,7 +325,6 @@ var eventGridSystemTopicName = 'doc-processing'
 var tags = { 'azd-env-name': environmentName }
 var keyVaultName = '${abbrs.security.keyVault}${resourceToken}'
 var baseUrl = 'https://raw.githubusercontent.com/Azure-Samples/chat-with-your-data-solution-accelerator/main/'
-
 var appversion = 'latest' // Update GIT deployment branch
 var registryName = 'cwydcontainerreg' // Update Registry name