backend/AGENTS.md

For the backend architeture and design patterns:
@./CLAUDE.md
feat: add AIO sandbox provider and auto title generation (#1) - Add AioSandboxProvider for Docker-based sandbox execution with configurable container lifecycle, volume mounts, and port management - Add TitleMiddleware to auto-generate thread titles after first user-assistant exchange using LLM - Add Claude Code documentation (CLAUDE.md, AGENTS.md) - Extend SandboxConfig with Docker-specific options (image, port, mounts) - Fix hardcoded mount path to use expanduser - Add agent-sandbox and dotenv dependencies Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> 2026-01-14 23:29:18 +08:00			`For the backend architeture and design patterns:`
			`@./CLAUDE.md`