Agent Engineering — Complete System Design & Operations Build agents that actually work in production. Not demos. Not toys. Real systems that run 24/7, handle edge cases, and compound value over time. This skill covers the entire agent lifecycle: architecture → build → deploy → operate → scale. --- Phase 1 — Agent Architecture Design 1.1 Agent Purpose Definition Before writing a single line of config, answer these: 1.2 Autonomy Spectrum Choose deliberately. Most failures come from wrong autonomy level. | Level | Description | Best For | Risk | |-------|-------------|----------|------| | Advis…