Add Amplify config and connection script, fix build path

amplify.yml

@@ -5,14 +5,12 @@ frontend:
       commands:
         - nvm install 20
         - nvm use 20
-        - cd frontend/chat-ui
-        - npm ci
+        - npm ci --prefix frontend/chat-ui
     build:
       commands:
         - nvm use 20
-        - cd frontend/chat-ui
-        - npm run build
-        - BACKEND_URL=$BACKEND_URL node ../federationStatusCLI.js
+        - npm run build --prefix frontend/chat-ui
+        - BACKEND_URL=$BACKEND_URL node frontend/federationStatusCLI.js
   artifacts:
     baseDirectory: frontend/chat-ui/dist
     files:

frontend/README.md

@@ -15,6 +15,8 @@ Both sub-apps rely on environment variables to communicate with backend services
 
 - `NEXT_PUBLIC_BACKEND_URL` – Base URL for backend API requests.
 - `NEXT_PUBLIC_API_KEY` – API key used to authorize requests from the Next.js site.
+- `NEXT_PUBLIC_APPSYNC_GRAPHQL_ENDPOINT` – AppSync GraphQL endpoint URL.
+- `NEXT_PUBLIC_APPSYNC_API_KEY` – API key for AppSync requests.
 
 ### Chat UI (`chat-ui/`)
 

frontend/aws-exports.js

@@ -0,0 +1,9 @@
+const awsExports = {
+  aws_project_region: 'us-east-1',
+  aws_appsync_graphqlEndpoint: process.env.NEXT_PUBLIC_APPSYNC_GRAPHQL_ENDPOINT,
+  aws_appsync_region: 'us-east-1',
+  aws_appsync_authenticationType: 'API_KEY',
+  aws_appsync_apiKey: process.env.NEXT_PUBLIC_APPSYNC_API_KEY
+};
+
+export default awsExports;