docs: Claude Bridge — эмуляция tool calling и веб-поиск (PR #837)
docs: add Agentic RAG wiki page New page documenting the agentic RAG feature where LLM uses knowledge_search tool to query knowledge base on demand. Updated sidebar and Wiki-RAG cross-references. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>