Refactor code structure and remove redundant changes

django-backend/requirements/base.txt

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+# Core Django (Latest: 5.1.3 - Django 5.2 doesn't exist yet)
+Django==5.1.3
+psycopg[binary]==3.2.3
+
+# API Framework
+django-ninja==1.3.0
+pydantic==2.10.6
+
+# Database & ORM utilities  
+django-model-utils==5.0.0
+django-guardian==2.4.0
+django-lifecycle==1.2.4
+django-dirtyfields==1.9.2
+
+# Async & Background Tasks
+celery[redis]==5.4.0
+django-celery-beat==2.7.0
+django-celery-results==2.5.1
+flower==2.0.1
+
+# Caching & Performance
+django-redis==5.4.0
+django-cacheops==7.0.2
+hiredis==2.3.2
+
+# Real-time
+channels==4.2.0
+channels-redis==4.2.1
+daphne==4.1.2
+
+# Media & Storage
+django-storages[s3]==1.14.4
+Pillow==11.0.0
+python-magic==0.4.27
+
+# Security & Authentication
+django-cors-headers==4.6.0
+django-ratelimit==4.1.0
+django-otp==1.5.4
+django-allauth==65.3.0
+djangorestframework-simplejwt==5.3.1
+django-defender==0.9.8
+webauthn==2.2.0
+qrcode==8.0
+
+# Validation & Serialization
+marshmallow==3.23.2
+
+# Admin Interface
+django-unfold==0.42.0
+django-import-export==4.3.3
+tablib[html,xls,xlsx]==3.7.0
+
+# Utilities
+django-extensions==3.2.3
+django-environ==0.11.2
+django-filter==24.3
+python-slugify==8.0.4
+python-dateutil==2.9.0
+
+# Monitoring & Logging
+sentry-sdk==2.19.2
+structlog==24.4.0
+
+# HTTP & External APIs
+requests==2.32.3
+httpx==0.28.1
+
+# UUID utilities
+shortuuid==1.0.13
+
+# History tracking
+django-pghistory==3.5.0
+
+# State Machine
+django-fsm-2==4.1.0

django-backend/requirements/local.txt

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+-r base.txt
+
+# Development & Debugging
+django-debug-toolbar==4.2.0
+django-silk==5.0.4
+ipython==8.18.1
+ipdb==0.13.13
+
+# Testing
+pytest==7.4.3
+pytest-django==4.7.0
+pytest-cov==4.1.0
+pytest-xdist==3.5.0
+factory-boy==3.3.0
+Faker==20.1.0
+coverage==7.3.3
+
+# Code Quality
+black==23.12.1
+flake8==6.1.0
+isort==5.13.2
+mypy==1.7.1
+django-stubs==4.2.7

django-backend/requirements/production.txt

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+-r base.txt
+
+# Production Web Server
+gunicorn==21.2.0
+whitenoise==6.6.0
+
+# Production monitoring
+django-prometheus==2.3.1
+
+# Security
+cryptography==41.0.7