feat: 연감 기능 추가 및 데이터베이스 모델 생성

packages/infra/prisma/game.prisma

@@ -213,6 +213,21 @@ model DiplomacyLetter {
     @@map("diplomacy_letter")
 }
 
+model YearbookHistory {
+    id          Int      @id @default(autoincrement())
+    profileName String   @map("profile_name")
+    year        Int
+    month       Int
+    map         Json
+    nations     Json
+    hash        String   @default("")
+    createdAt   DateTime @default(now()) @map("created_at")
+
+    @@unique([profileName, year, month])
+    @@index([profileName, year, month])
+    @@map("yearbook_history")
+}
+
 model Event {
     id         Int      @id @default(autoincrement())
     targetCode String   @map("target_code")

packages/infra/prisma/migrations/20260128002000_add_yearbook_history/migration.sql

@@ -0,0 +1,13 @@
+CREATE TABLE "yearbook_history" (
+    "id" SERIAL PRIMARY KEY,
+    "profile_name" TEXT NOT NULL,
+    "year" INTEGER NOT NULL,
+    "month" INTEGER NOT NULL,
+    "map" JSONB NOT NULL,
+    "nations" JSONB NOT NULL,
+    "hash" TEXT NOT NULL DEFAULT '',
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX "yearbook_history_profile_year_month_key" ON "yearbook_history"("profile_name", "year", "month");
+CREATE INDEX "yearbook_history_profile_year_month_idx" ON "yearbook_history"("profile_name", "year", "month");

packages/infra/src/db.ts

@@ -10,6 +10,7 @@ export interface DatabaseClient {
     nation: GamePrisma.NationDelegate;
     diplomacy: GamePrisma.DiplomacyDelegate;
     diplomacyLetter: GamePrisma.DiplomacyLetterDelegate;
+    yearbookHistory: GamePrisma.YearbookHistoryDelegate;
     generalTurn: GamePrisma.GeneralTurnDelegate;
     nationTurn: GamePrisma.NationTurnDelegate;
     troop: GamePrisma.TroopDelegate;