https://xmdocumentation.bloomreach.com/library/concepts/page-model-api/customization.html
I am just assuming that the file for the custom beans should be site/components/src/main/resources/META-INF/hst-assembly/overrides/addon/org/hippoecm/hst/pagemodelapi/v10/ instead of site/components/src/main/resources/META-INF/hst-assembly/overrides/addon/org/hippoecm/hst/pagemodelapi/v09/ if you are using the delivery API in version 1.0
https://xmdocumentation.bloomreach.com/library/concepts/page-model-api/customization.html I am just assuming that the file for the custom beans should be site/components/src/main/resources/META-INF/hst-assembly/overrides/addon/org/hippoecm/hst/pagemodelapi/v10/ instead of site/components/src/main/resources/META-INF/hst-assembly/overrides/addon/org/hippoecm/hst/pagemodelapi/v09/ if you are using the delivery API in version 1.0