[BUG] NodejsBuild Failed for FrontendReactBuild

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## 🐞Describe the bug

Trying to deploy the project without modifying it, using npx cdk deploy --require-approval never --all. I get:
`BedrockChatStack | 123/155 | 4:52:33 PM | CREATE_FAILED | Custom::CDKNodejsBuild | Frontend/ReactBuild/Resource/Default (FrontendReactBuildE02FF220) Received response status [FAILED] from custom resource. Message returned: NodejsBuild failed. See CloudWatch Log stream for the detailed reason: https://us-east-1.console.aws.amazon.com/cloudwatch/home?region=us-east-1#logsV2:log-groups/log-group/$252Faws$252Fcodebuild$252FFrontendReactBuildProject48-EwWhshH3QNZo/log-events/362dfaae-5d4f-4e94-8c24-6ffd2cf4da3e (RequestId: aa50310d-e3f5-4255-95df-e29610479119)`

If I follow the cloudwatch url, I don't get anything useful:

`[Container] 2025/05/14 14:52:25.975186 Command did not exit successfully eval "$buildCommands" exit status 1
[Container] 2025/05/14 14:52:25.984673 Phase complete: BUILD State: FAILED
[Container] 2025/05/14 14:52:25.984686 Phase context status code: COMMAND_EXECUTION_ERROR Message: Error while executing command: eval "$buildCommands". Reason: exit status 1
[Container] 2025/05/14 14:52:26.030997 Entering phase POST_BUILD
[Container] 2025/05/14 14:52:26.032483 Running command echo Build completed on `date`
Build completed on Wed May 14 14:52:26 UTC 2025
 
[Container] 2025/05/14 14:52:26.047565 Running command
STATUS='SUCCESS'
if [ $CODEBUILD_BUILD_SUCCEEDING -ne 1 ] # Test if the build is failing
then
STATUS='FAILED'
REASON="NodejsBuild failed. See CloudWatch Log stream for the detailed reason:
https://$AWS_REGION.console.aws.amazon.com/cloudwatch/home?region=$AWS_REGION#logsV2:log-groups/log-group/\$252Faws\$252Fcodebuild\$252F$projectName/log-events/$CODEBUILD_LOG_PATH"
fi`

Build fails but I am unable to debug, and I didn't modify the code. It is the latest version from v3 branch.

Start by reproducing the deployment from the v3 branch with `npx cdk deploy --require-approval never --all`, then inspect the linked CloudWatch CodeBuild log for the command that fails before the generic `NodejsBuild failed` message. The issue provides no source file or test to target; done means identifying and fixing the deployment failure and confirming the unchanged project deploys successfully.

Written by the indexing model from the issue text.