How to design AI agents that pause for human approval before executing sensitive financial, legal, or database operations. LangGraph interrupts and webhook approvals.
How to build agents that remember user preferences and context across sessions. Combining Redis buffer memory, pgvector embeddings, and semantic key-value extraction.
Complete architecture for building interactive AI applications. Streaming text and UI components, managing assistant chat state, dynamic tools, and managing API cost quotas.
Comparing Python FastAPI and Node.js Next.js route handlers for AI app backends. Performance, ecosystem libraries, streaming capabilities, and team efficiency.