Deep technical analysis of building Platform Mastery AI Agents with the Vercel AI SDK:

1. What is the AI SDK? (ai package from Vercel)
2. Key features: useChat, useCompletion, streamText, generateObject, tool calling
3. How to build a RAG chat interface with AI SDK
4. How to add tool use (platform-specific actions)
5. How to integrate with multiple LLM providers (Anthropic, Google, OpenAI)
6. Streaming architecture for real-time responses
7. AI SDK + Next.js App Router best practices
8. AI SDK RSC (React Server Components) for AI UIs

Include code examples for:
- Chat interface with RAG retrieval
- Tool calling for platform actions
- Streaming response with citations
- Multi-provider model selection