feat: 내구성 있는 read model 변화 저널 기반을 추가

packages/infra/prisma/game.prisma

@@ -83,6 +83,38 @@ model InputEvent {
   @@map("input_event")
 }
 
+model ReadModelRevision {
+  domain    String
+  entityId  Int      @default(0) @map("entity_id")
+  revision  BigInt   @default(0)
+  updatedAt DateTime @updatedAt @map("updated_at")
+
+  @@id([domain, entityId])
+  @@map("read_model_revision")
+}
+
+model ReadModelOutbox {
+  id          BigInt    @id @default(autoincrement())
+  payload     Json
+  attempts    Int       @default(0)
+  availableAt DateTime  @default(now()) @map("available_at")
+  lockedAt    DateTime? @map("locked_at")
+  lockOwner   String?   @map("lock_owner")
+  deliveredAt DateTime? @map("delivered_at")
+  lastError   String?   @map("last_error")
+  createdAt   DateTime  @default(now()) @map("created_at")
+
+  @@index([deliveredAt, availableAt, id], map: "read_model_outbox_delivered_at_available_at_id_idx")
+  @@map("read_model_outbox")
+}
+
+model ReadModelRevisionMeta {
+  id              Int @id
+  coverageVersion Int @default(0) @map("coverage_version")
+
+  @@map("read_model_revision_meta")
+}
+
 model TurnDaemonLease {
   profile      String   @id
   ownerId      String   @map("owner_id")

packages/infra/prisma/migrations/20260816000000_add_read_model_change_journal/migration.sql

@@ -0,0 +1,39 @@
+CREATE TABLE "read_model_revision" (
+    "domain" TEXT NOT NULL,
+    "entity_id" INTEGER NOT NULL DEFAULT 0,
+    "revision" BIGINT NOT NULL DEFAULT 0,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "read_model_revision_pkey" PRIMARY KEY ("domain", "entity_id"),
+    CONSTRAINT "read_model_revision_entity_id_check" CHECK ("entity_id" >= 0),
+    CONSTRAINT "read_model_revision_revision_check" CHECK ("revision" >= 0)
+);
+
+CREATE TABLE "read_model_outbox" (
+    "id" BIGSERIAL NOT NULL,
+    "payload" JSONB NOT NULL,
+    "attempts" INTEGER NOT NULL DEFAULT 0,
+    "available_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "locked_at" TIMESTAMP(3),
+    "lock_owner" TEXT,
+    "delivered_at" TIMESTAMP(3),
+    "last_error" TEXT,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "read_model_outbox_pkey" PRIMARY KEY ("id"),
+    CONSTRAINT "read_model_outbox_attempts_check" CHECK ("attempts" >= 0)
+);
+
+CREATE INDEX "read_model_outbox_delivered_at_available_at_id_idx"
+    ON "read_model_outbox"("delivered_at", "available_at", "id");
+
+CREATE TABLE "read_model_revision_meta" (
+    "id" INTEGER NOT NULL,
+    "coverage_version" INTEGER NOT NULL DEFAULT 0,
+
+    CONSTRAINT "read_model_revision_meta_pkey" PRIMARY KEY ("id"),
+    CONSTRAINT "read_model_revision_meta_coverage_version_check" CHECK ("coverage_version" >= 0)
+);
+
+INSERT INTO "read_model_revision_meta" ("id", "coverage_version")
+VALUES (1, 0);

packages/infra/prisma/migrations/README.md

@@ -27,6 +27,8 @@ chain을 적용하고 두 번째 실행은 `No pending migrations to apply`여
 - `world_state`, `nation`, `city`, `general`, `message`, `troop`
 - `general_turn`, `nation_turn`과 revision·lease field
 - `input_event`, `turn_daemon_lease`
+- `read_model_revision`, `read_model_outbox`, `read_model_revision_meta`
+- `read_model_revision_meta.id=1`의 `coverage_version=0`
 - `diplomacy`, `event`, `log_entry`, `error_log`
 - auction, board, vote, yearbook, archive와 inheritance table
 - `nation.chief_general_id`