Fixes: 1) Simplify Prometheus and GraphQL path definitions in `evibes/api_urls.py`;
Extra: 1) Add line breaks across multiple files for improved code readability.
Fixes: 1) Corrected `ForeignKey` type assertions across models; 2) Resolved typos and formatting inconsistencies in `.env` and README; 3) Fixed explicit boolean checks in user manager methods.
Extra: Updated type hints in multiple models, serializers, and views.