The Ready Front model replaces temporal 'phase' thinking:
- Ready Front = issues with all deps satisfied (unblocked)
- Static: natural topology (sync points, bottlenecks)
- Dynamic: current wavefront of in-progress work
Key changes:
- Add cognitive trap warning (temporal language inverts deps)
- Graph Walk Pattern: walk backward from goal
- Requirement language: 'X needs Y' not 'X before Y'
- Validation with bd blocked
- Ready Fronts visualization
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