feat: 예약 초기화 중간 버전 업데이트를 허용한다

미래 예약 RESET을 보존하면서 DB 유지 DEPLOY 한 건을 별도 queue lane에 등록한다. 예약 시각까지 시작되지 않은 중간 배포는 RESET claim 전에 자동 취소하고 관리자 화면에 이 경계를 안내한다.

packages/infra/prisma/gateway-migrations/20260824090000_allow_interim_profile_deploy/migration.sql

@@ -0,0 +1,19 @@
+-- Keep the opening RESET reservation while allowing exactly one immediate
+-- operation (the application permits only DEPLOY) beside it. A single RUNNING
+-- lane preserves the existing profile mutation serialization contract.
+DROP INDEX "gateway_operation_one_active_per_profile_idx";
+
+CREATE UNIQUE INDEX "gateway_operation_one_running_per_profile_idx"
+    ON "gateway_operation" ("profile_name")
+    WHERE "status" = 'RUNNING';
+
+CREATE UNIQUE INDEX "gateway_operation_one_queued_scheduled_reset_per_profile_idx"
+    ON "gateway_operation" ("profile_name")
+    WHERE "status" = 'QUEUED'
+      AND "type" = 'RESET'
+      AND "scheduled_at" IS NOT NULL;
+
+CREATE UNIQUE INDEX "gateway_operation_one_queued_immediate_per_profile_idx"
+    ON "gateway_operation" ("profile_name")
+    WHERE "status" = 'QUEUED'
+      AND NOT ("type" = 'RESET' AND "scheduled_at" IS NOT NULL);

packages/infra/prisma/gateway.prisma

@@ -362,8 +362,9 @@ model GatewayRuntimeAction {
 }
 
 model GatewayOperation {
-  /// A partial unique index in the gateway migration chain permits only one
-  /// QUEUED or RUNNING operation per profile.
+  /// Partial unique indexes in the gateway migration chain permit one future
+  /// scheduled RESET beside one immediate queued operation. RUNNING work and
+  /// each queue lane remain unique per profile.
   id                String                 @id @default(uuid())
   profileName       String                 @map("profile_name")
   profile           GatewayProfile         @relation(fields: [profileName], references: [profileName], onDelete: Cascade)