- Import PhaseDispatchManager type from dispatch module
- Add requirePhaseDispatchManager helper function
- Add createPhaseDependency: creates dependency between two phases
- Add getPhaseDependencies: returns phase IDs that a phase depends on
- Add queuePhase: queues phase for dispatch
- Add dispatchNextPhase: dispatches next available phase
- Add getPhaseQueueState: returns phase queue state
All procedures follow existing naming conventions and error handling patterns.