Module protocol 

JSON Lines protocol implementation for Claude communication.

This module provides the Protocol struct with methods for:

• Serializing messages to JSON Lines format
• Deserializing JSON Lines into typed messages
• Reading/writing messages over sync and async I/O

The JSON Lines format means each message is a complete JSON object on a single line, terminated by a newline character. This enables streaming communication where messages can be processed as they arrive.

Example

use claude_codes::{Protocol, ClaudeInput};

// Serialize a message
let input = ClaudeInput::user_message("Hello!", uuid::Uuid::new_v4());
let json_line = Protocol::serialize(&input)?;
assert!(json_line.ends_with('\n'));

// Deserialize a message
let output = Protocol::deserialize::<serde_json::Value>(&json_line)?;

Structs

AsyncStreamProcessor

Async stream processor for handling continuous message streams

Protocol

Protocol handler for Claude Code JSON lines communication

StreamProcessor

Stream processor for handling continuous message streams

Enums

MessageEnvelope

Message envelope for routing different message types