feat: Implement multi-tenancy support in middleware and security layers

- Enhanced TenantMiddleware to validate tenant information from JWT tokens.
- Added LicenseValidationMiddleware to check tenant licenses before processing requests.
- Updated security utilities to extract tenant information from tokens and validate company access.
- Introduced CompanyStore to manage active company state and handle company switching in the frontend.
- Modified API routes to include company_id in requests for better resource management.
- Improved logging and error handling throughout the middleware and API layers.
- Updated frontend components to reflect changes in company management and selection.
- Added new API route for fetching user's companies with proper authentication handling.

backend/api/v1/modules/a76/seal/services.py

@@ -5,6 +5,7 @@ from . import models, dto
 Service layer for Seal.
 """
 
+
 class SealService:
     @staticmethod
     def get_seal_by_id(db: Session, seal: str):
@@ -24,4 +25,4 @@ class SealService:
         if seal:
             db.delete(seal)
             db.commit()
-        return seal
+        return seal