feat: implement backend core with repricing logic, case management, and multi-service architecture

backend/routes/cases.py

@@ -26,7 +26,9 @@ def serialize_case(row):
 # ---------- CASE CRUD ----------
 @cases_blueprint.route('/cases', methods=['GET'])
 @token_required
-def list_cases(current_user_id):
+def list_cases(user_info):
+    company_id = user_info['company_id']
+    # ... rest of logic using company_id instead of current_user_id ...
     """
     Получить список всех кейсов пользователя
     ---