Workflow Design Parse user's semantic workflow description → decompose into nodes → map to executors → auto-inject checkpoints → confirm pipeline → save as reusable . Architecture Shared Constants | Constant | Value | |----------|-------| | Session prefix | | | Template dir | | | Template ID format | | | Node ID format | (e.g. N-001), for checkpoints | | Max nodes | 20 | Entry Router Parse . | Detection | Condition | Handler | |-----------|-----------|---------| | Resume design | flag or existing WFD session | - Phase 0: Resume | | Edit template | flag | - Phase 0: Load + Edit | | New design…