feat(examples): add Hy3-powered code review agent (#92)

[xyaohubery]

Summary

Build an automated code review agent using tRPC-Agent SDK + Hy3 LLM.

Architecture

• Skills: Agent uses FunctionTool for review_code + save_review
• 沙箱: Ready for CubeSandbox skill integration (follows skills_with_cube pattern)
• 数据库存储: SQLite persistence for all review results
• LLM Backend: Hy3 via OpenAI-compatible API (configurable)

Usage

pip install -e '.[cube]'
export TRPC_AGENT_API_KEY=your-key
export TRPC_AGENT_BASE_URL=http://127.0.0.1:8000/v1
python run_agent.py path/to/code.py

Fixes #92

Assisted-by: claude-code:deepseek-v4-pro

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Codecov Report

✅ All modified and coverable lines are covered by tests.
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Additional details and impacted files

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  Hits            ?       38609           
  Misses          ?        5494           
  Partials        ?           0           

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[xyaohubery]

I have read the CLA Document and I hereby sign the CLA