Backend
Express/TypeScript backend, WhatsApp Web integration, DOM interaction rules, and data extraction
DOM-Only Interaction Rule
All WhatsApp Web data extraction must read from the rendered HTML DOM — never use Store APIs
WhatsApp Web DOM Structure
Complete DOM selector reference for extracting data from WhatsApp Web — chat list, messages, contacts, media
Collection System
Systematic data archiving — CollectionService, FillService, and on-demand loading
V3 Test Coverage
11 test suites, 95 tests covering SchemaManager, middleware, auth, SSE, UserSocketManager, controllers, telemetry