AEM Content in edit mode is overlayed by an edit layer, this is why we see rectangles on hover of components with an edit action bar. It's not advised to customize this behavior, otherwise, you will end up complexing the page editing experience. Also, Clicking on the link will take the user to a ...

You should use Asset APIs [1] to create content fragments and their variations.    [1] https://experienceleague.adobe.com/docs/experience-manager-65/assets/extending/assets-api-content-fragments.html?lang=en 

Check Assets sizing guide [1] document   [1] https://experienceleague.adobe.com/docs/experience-manager-65/assets/administer/assets-sizing-guide.html 

Logically, its expected behavior, as Asset workflow may fail to generate renditions. Please check your error logs, there you must see related error.

@rsly_2023 Have you tried it? If not, try and share your findings. 

You can use the below articles for reference: http://aemlab.blogspot.com/2019/07/aem-rte-custom-plugins-1.htmlhttps://www.bounteous.com/insights/2022/01/06/custom-rich-text-editor-plugins-adobe-experience-managerhttps://mkbansal.wordpress.com/2016/01/09/aem-rte-custom-styles-plugin-touch-ui/  

OOB RTE use span tag to add custom styles. If you want to avoid custom tags, you have to write a new plugin in RTE.

You need to modify the search logic to create query with exclude path also, something like   1_property=property-name 1_property.value=property-value path=/content/mysite/en group.1_group.p.not=true group.1_group.path=/content/mysite/en/testfolder1 group.1_group.path.self=true

You have to use LogLevel Directive [1] to track logs at apache level, setting logs at debug level will allow you to track request processing.   [1] https://httpd.apache.org/docs/2.4/mod/core.html#loglevel 

Firstly, I do not see any relation b/w asset visibility in the side panel and its published status. Ideally, assets should be visible inside panel as soon as you upload them in Author instance, if not, try the following: Check if your bundles are in an active stateCheck if the indexing of assets is ...