Schemas refactor and files check

[jfrverdasca]

Description

• 1. Refactor schemas and variables to ensure agreement between variables with the same preposition on different endpoints
• 2. Apply 1 also to methods and celery tasks methods
• 3. Maybe we can do a decorator to load all redis variables for each task (discuss)
• 4. Do more checks on the directory passed in the request:
  • Verify that the directory exists
  • Can it be a single file (discuss, if not check if path is a directory and not a file) (Check comments)
  • Directory is not empty (Check comments)
  • Errors should be shown in request result, if possible (discuss) (Check comments)
• 5. Discuss other refactors such as the names of some python packages and files

Requirements

• Check later

Acceptance Criteria

NA

[jfrverdasca]

• Verify that the directory exists (don't do other directory checks)
• Verify llm.py files that have the same name
• Verify litellm_service (should be called llm)