What problem does it solve? Building conversational AI features like chatbots, assistants, and text generation requires managing message history, system prompts, and API calls. This Skill provides ready-to-use patterns for implementing LLM chat completions with the z-ai-web-dev-sdk, including conversation management, error handling, and context control. ## Core Features & Use Cases - Chat Completions: Send single or multi-turn messages with system prompts and optional chain-of-thought reasoning via SDK or CLI. - Conversation Management: Maintain message history, trim context to avoid token limits, and build contextual assistants. - Use Case: Build an Express.js chatbot API that stores per-session conversation history and returns AI responses for customer support, content generation, or code assistance. ## Quick Start Ask the AI to write a backend function using z-ai-web-dev-sdk that answers a user question with a custom system prompt.