firecloud-net 0.1.0

# firecloud-net

P2P networking layer for FireCloud using libp2p with metadata hiding features.

## Overview

Provides peer-to-peer networking with privacy features:

- **P2P messaging**: Direct peer-to-peer communication
- **NAT traversal**: Hole punching and relay support
- **Metadata hiding**: Fixed-size messages and timing obfuscation
- **DHT**: Kademlia for peer discovery
- **mDNS**: Local network discovery

## Usage

```rust
use firecloud_net::{FireCloudNode, NodeConfig};

// Create a node
let config = NodeConfig {
    port: 0,
    enable_mdns: true,
    bootstrap_peers: vec![],
    bootstrap_relays: vec![],
};

let mut node = FireCloudNode::new(config).await?;

// Send a friend request
node.send_friend_request(&peer_id, Some("Alice".to_string()));

// Poll for events
while let Some(event) = node.poll_event().await {
    // Handle events
}
```

## Features

- **libp2p integration**: Modern P2P networking stack
- **Request-response protocol**: Reliable message delivery
- **Metadata hiding**: All messages padded to 1024 bytes
- **Friend verification**: Only accept messages from friends
- **Delivery confirmations**: Know when messages are received

## Privacy

This crate implements metadata hiding to protect communication patterns:
- Fixed 1KB message size (regardless of content length)
- Random timing delays (100-500ms)
- Content encryption
- Friend-only messaging

## License

Licensed under either of:

- Apache License, Version 2.0 ([LICENSE-APACHE](../../LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license ([LICENSE-MIT](../../LICENSE-MIT) or http://opensource.org/licenses/MIT)

at your option.