Add below caching rule to disallow caching for token path{ /glob "/libs/granite/csrf/token.json" /type "deny" } 

You can use the ACS Common Report Builder to generate a list of pages with dates.https://adobe-consulting-services.github.io/acs-aem-commons/features/report-builder/index.html

Avoid using ID as a selector until you have no option but to use it.

For adding the configuration to the repository, the node's name requires an identifier suffix.e.g. com.adobe.granite.workflow.purge.Scheduler-<identifier> Also, the ID is the path to the model node.e.g./conf/global/settings/workflow/models/dam/update_asset 

Advanced Tab path /libs/wcm/foundation/components/basicpage/v1/basicpage/tabs/advanced in AEM 6.5 

Yes, you can use JavaScript Use-API, but it isn't easy to debug code, and it's server-side script.Instead, use Java API for add/update property in AEM.https://experienceleague.adobe.com/docs/experience-manager-learn/foundation/development/understand-java-api-best-practices.html?lang=en 

You need to check number of entries in the queue.Check https://javadoc.io/static/com.adobe.aem/aem-sdk-api/2023.4.11873.20230421T153841Z-230200/com/day/cq/replication/ReplicationQueue.html#entries() for more details.

ui.apps will be best for custom indexes. 

Try https://experienceleague.adobe.com/docs/experience-manager-learn/forms/some-useful-integrations/two-factor-authentication.html?lang=en for AEM Sites.

Check https://experienceleague.adobe.com/docs/experience-manager-learn/sites/seo/sitemaps.html?lang=en#absolute-sitemap-urls for sitemap.