Implemented comprehensive models for chat functionality, including Chat, Message, MessageHistory, MessageReaction, and MessageFile. Updated ChatConsumer to enforce authentication and improve message handling. Added initial scaffolding for 'pages' and 'posts' Django apps with basic files.
- Removed TradingGraph component from frontend/src/components/trading.
- Updated home page to import Services component and TradingGraph from new path.
- Modified PortfolioPage to return null instead of PortfolioGrid.
- Added initial migrations for account, advertisement, commerce, configuration, downloader, gopay, stripe, trading212, and zasilkovna apps in the backend.
- Created Services component with subcomponents for Kinematografie, Drone Service, and Website Service.
- Implemented TradingGraph component with dynamic data generation and canvas rendering.
- Updated DonationShop component to display donation tiers with icons and descriptions.
Refactored commerce models to support refunds, invoices, and improved carrier/payment logic. Added new serializers and viewsets for products, categories, images, discount codes, and refunds. Introduced Stripe client integration and removed legacy Stripe admin/model code. Updated Dockerfile for PDF generation dependencies. Removed obsolete migration files and updated configuration app initialization. Added invoice template and tasks for order cleanup.