feat: Add ClawdTalk voice agent example

[a692570]

Summary

Adds a new example demonstrating how to build a voice-accessible Farcaster agent using ClawdTalk.

What's Included

• Voice Call Integration: Receive inbound calls on a real phone number
• SMS Support: Handle incoming text messages
• WebSocket Connection: No server required - just connect and go
• Neynar Integration: Fetch and post casts via the Neynar API

Files Added

clawdtalk-voice-agent/
├── src/app.ts          # Main agent logic (105 lines)
├── package.json        # Dependencies
├── tsconfig.json       # TypeScript config
├── README.md           # Documentation
├── .env.example        # Environment template
└── .gitignore

Use Cases

• Voice-activated casting (post by phone)
• Cast reader bot (read casts to callers)
• SMS notification integration
• Interactive voice AI for Farcaster

How It Works

1. Agent connects to wss://clawdtalk.com/ws via WebSocket
2. Registers a phone number assigned by ClawdTalk
3. Handles call.incoming, call.speech, and sms.incoming events
4. Uses Neynar API to interact with Farcaster

Testing

cd clawdtalk-voice-agent
yarn install
cp .env.example .env
# Add your CLAWDTALK_PHONE_NUMBER and NEYNAR_API_KEY
yarn start

Resources

• ClawdTalk - Phone numbers for AI agents
• ClawdTalk GitHub
• Neynar Docs

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