graph TB
    subgraph "Desktop Application"
        TAURI[Tauri v2 Shell]
        
        subgraph "Rust Backend"
            MAIN[main.rs
Entry Point]
            AUTH[auth.rs
Auth]
            LS[live_sync.rs
Sync Engine]
            SDB[sync_db.rs
Database]
            NAV[proton_navigation.rs
Router]
        end
        
        subgraph "WebView Layer"
            WC[Proton WebClients
React]
            WV_C[webview_cookies.rs]
            WV_S[webview_storage.rs]
            URL[url_log.rs]
        end
        
        SQLITE[(SQLite)]
    end
    
    PROTON[Proton Drive API]
    
    MAIN --> AUTH
    MAIN --> LS
    MAIN --> SDB
    MAIN --> NAV
    MAIN --> WC
    
    AUTH --> PROTON
    LS --> PROTON
    
    SDB --> SQLITE
    LS --> SDB
    
    WC --> WV_C
    WC --> WV_S
    WC --> URL