feat: add dynasty management features including list and detail views

- Implemented `OldNation`, `OldGeneral`, and `Emperor` models in Prisma schema.
- Created API routes for fetching dynasty lists and details.
- Developed frontend views for displaying dynasty list and detail information.
- Enhanced in-memory world to track deleted nation snapshots during unification.
- Added functionality to settle dynasty information after unification events.

packages/infra/src/db.ts

@@ -14,6 +14,9 @@ export interface DatabaseClient {
     rankData: GamePrisma.RankDataDelegate;
     hallOfFame: GamePrisma.HallOfFameDelegate;
     gameHistory: GamePrisma.GameHistoryDelegate;
+    oldNation: GamePrisma.OldNationDelegate;
+    oldGeneral: GamePrisma.OldGeneralDelegate;
+    emperor: GamePrisma.EmperorDelegate;
     generalTurn: GamePrisma.GeneralTurnDelegate;
     nationTurn: GamePrisma.NationTurnDelegate;
     troop: GamePrisma.TroopDelegate;