What Claude Code actually is, how it differs from autocomplete-style AI tools, and the concepts — tools, permissions, subagents, skills, MCP, hooks — that make it useful for real engineering work instead of toy demos.
A practical, opinionated guide to designing memory for multi-agent LLM systems: topology, structural tenant isolation, the short-to-long maturation pipeline, retrieval and clamping, concurrency, and the four canonical failure modes.