refactor: imports and reorganize domain structure

- Updated import statements across multiple modules to use relative imports for better encapsulation.
- Consolidated and organized the `__init__.py` files in various domain packages to expose necessary classes and functions.
- Improved code readability and maintainability by grouping related imports and removing unused ones.
- Ensured consistent import patterns across the domain, enhancing the overall structure of the codebase.

domain/processors/api.py

@@ -4,10 +4,9 @@ from fastapi import APIRouter, Body, Depends, Request
 
 from api.response import success
 from domain.audit import AuditAction, audit
-from domain.auth.service import get_current_active_user
-from domain.auth.types import User
-from domain.processors.service import ProcessorService
-from domain.processors.types import (
+from domain.auth import User, get_current_active_user
+from .service import ProcessorService
+from .types import (
     ProcessDirectoryRequest,
     ProcessRequest,
     UpdateSourceRequest,