- New chapter 05-clojure-nim.md (EN + BG) covering:
- Native compilation pipeline (Clojure → Nim → C → binary)
- AI-powered development (error explanation, code generation)
- JSON REPL for AI agents
- loop/recur with real TCO
- Cross-compilation: JS, shared libs, WASM
- Persistent data structures (HAMT)
- Concurrency: atoms, agents, channels
- Updated book README.md with Clojure/Nim focus
- Added Clojure/Nim terms to subject indices (EN + BG)
- Removed books/ from .gitignore so it can be pushed to GitLab
- New src/ai_assist.nim module with DeepSeek/OpenAI/MiMo API support
- AI explains compiler errors automatically when compilation fails
- New CLI command: cljnim ai '<description>' for code generation
- REPL :ai command for interactive AI assistance
- API keys read from environment vars (DEEPSEEK_API_KEY, OPENAI_API_KEY, MIMO_API_KEY)
- Tests for prompt building and response formatting
- Updated README with AI integration docs