Add Chinese technical analysis documentation

[Copilot]

Adds comprehensive technical documentation in Chinese analyzing the repository's architecture, technical solution, and use cases.

Changes

• New file: docs/ANALYSIS_CN.md (408 lines)
  • Dual-layer architecture analysis (generic NixOS-on-AWS infra + CLAWDINATOR AI agent system)
  • Technical stack breakdown: NixOS, nixos-generators, OpenTofu, agenix, AWS services
  • Deployment workflow and SDLC
  • Security model and secrets management
  • Three-repo system interaction (openclaw, nix-openclaw, clawdinators)
  • Use cases: learning reference, production AI agent deployment, IaC patterns

Key sections covered

• Generic layer: Reusable AMI pipeline, S3 bootstrap, declarative infrastructure
• Specific layer: Discord gateway, GitHub monitoring, hive-mind memory, self-update
• Philosophy: Zero-drift deployment, cattle-not-pets, declarative-first
• Deployment: Local → CI → AMI → OpenTofu → production flow

Original prompt

请分析一下clawdinators这个代码仓库的技术方案、用途

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