GitLab

Endpoint role-checking was redundantly applied but FastAPI provides a nice abstraction mechanic...so I applied it. There should be no logical changes in this code; only simpler, cleaner ways for doing the same thing.

admin only

Even though "User.email" is enforced as unique at signup, it is not a unique field in the database. Let's use "User.id" instead. This also makes it more difficult to do a session stealing attack.

Signed-off-by: lucasew <lucas59356@gmail.com>

backend: make the data directory and the artifacts from the frontend customizable using environment variables
Signed-off-by: lucasew <lucas59356@gmail.com>

Changed RAG parser to prefer file extensions over MIME content types. If the type of file is not recognized assume it's a text file.