feat(14-03): export phase dispatch types from dispatch module

- Export QueuedPhase interface
- Export PhaseDispatchResult interface
- Export PhaseDispatchManager port interface

src/dispatch/index.ts

@@ -5,8 +5,9 @@
  * All modules should import from this index file.
  */
 
-// Port interface (what consumers depend on)
+// Port interfaces (what consumers depend on)
 export type { DispatchManager, QueuedTask, DispatchResult } from './types.js';
+export type { PhaseDispatchManager, QueuedPhase, PhaseDispatchResult } from './types.js';
 
 // Adapter implementation
 export { DefaultDispatchManager } from './manager.js';