marathon/.serena/memories/tech_stack.md

Tech Stack

Language

• Rust (Edition 2021)
• Some Swift bridging code for iOS-specific features (Apple Pencil)

Key Dependencies

Networking & Synchronization

• iroh (v0.95) - P2P networking and NAT traversal
• iroh-gossip (v0.95) - Gossip protocol for message propagation
• crdts (v7.3) - Conflict-free Replicated Data Types

Graphics & UI

• Bevy (v0.17) - Game engine for rendering and ECS architecture
• egui (v0.33) - Immediate mode GUI
• wgpu - Low-level GPU API
• winit (v0.30) - Window handling

Storage & Persistence

• rusqlite (v0.37) - SQLite database bindings
• serde / serde_json - Serialization
• bincode - Binary serialization

Async Runtime

• tokio (v1) - Async runtime with full features
• futures-lite (v2.0) - Lightweight futures utilities

Utilities

• anyhow / thiserror - Error handling
• tracing / tracing-subscriber - Structured logging
• uuid - Unique identifiers
• chrono - Date/time handling
• rand (v0.8) - Random number generation
• crossbeam-channel - Multi-producer multi-consumer channels

iOS-Specific

• objc (v0.2) - Objective-C runtime bindings
• tracing-oslog (v0.3) - iOS unified logging integration
• raw-window-handle (v0.6) - Platform window abstractions

Development Tools

• clap - CLI argument parsing (in xtask)
• criterion - Benchmarking
• proptest - Property-based testing
• tempfile - Temporary file handling in tests