Session Lifecycle Patterns Structure AI agent sessions for predictable outcomes, context preservation, and clean handoffs. The Phase Model Phase Definitions | Phase | Purpose | Activities | Gate | |-------|---------|-----------|------| | FRAME | Understand context | Explore code, read docs, ask questions | Can articulate the problem | | SHAPE | Design approach | Create plan, identify files, consider tradeoffs | Plan reviewed and approved | | BUILD | Implement | Write code, create files, apply changes | Implementation complete | | PROVE | Verify | Run tests, validate output, check quality | Al…