Exported in what format? If it is .json, maybe you can serve them using a static server, and fetch them, then pass the json to $tw.wiki.addTiddler. This can be done in a html wiki. And this process can be written as a JS tiddlywiki plugin.
And this reminds me of TiddlyWeb service, that loads user note from a server.
If your company needs consultant, perhaps you can set a contract with What is Jeremy’s business model? ?
And what does
manage the the file by replacing the file.
mean?