Nothing to do with editable/static templates its issue with the allowedtemplate property on your content node likebelow-You need add your apps folder path like below-

You can easily access the logged in user details

Is your request coming to cq instance if yes could you please check the cq logs ..

Check on weretail page is this error coming ? If not then then some of your custom cide is breaking OOB code.

Try to fix the console errors..and check

From where is this div coming?Is it coming from your custom code?

It will be under the respetive pages jcr content node.Will hold data regarding blueprints and livecopy.

Check in the bundles how many bundles are in resolved state and what is missing in those bundles.

It won't behave like you are expecting rather you are referencing different content for different locales from a common location.So you cant achieve cancel inheritance type functionality here.

Could you please check in we retail site, whether the same issue is coming there as well?