feat(gateway): persist profile operation build logs

packages/infra/prisma/gateway-migrations/20260811000000_add_gateway_operation_logs/migration.sql

@@ -0,0 +1,18 @@
+CREATE TABLE "gateway_operation_log" (
+    "id" BIGSERIAL NOT NULL,
+    "operation_id" TEXT NOT NULL,
+    "level" TEXT NOT NULL,
+    "phase" TEXT NOT NULL,
+    "message" TEXT NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "gateway_operation_log_pkey" PRIMARY KEY ("id")
+);
+
+CREATE INDEX "gateway_operation_log_operation_id_id_idx"
+ON "gateway_operation_log"("operation_id", "id");
+
+ALTER TABLE "gateway_operation_log"
+ADD CONSTRAINT "gateway_operation_log_operation_id_fkey"
+FOREIGN KEY ("operation_id") REFERENCES "gateway_operation"("id")
+ON DELETE CASCADE ON UPDATE CASCADE;

packages/infra/prisma/gateway.prisma

@@ -280,6 +280,7 @@ model GatewayOperation {
   attempts          Int                    @default(0)
   createdAt         DateTime               @default(now()) @map("created_at")
   updatedAt         DateTime               @updatedAt @map("updated_at")
+  logs              GatewayOperationLog[]
 
   @@index([status, scheduledAt, createdAt])
   @@index([status, leaseUntil, createdAt])
@@ -287,6 +288,19 @@ model GatewayOperation {
   @@map("gateway_operation")
 }
 
+model GatewayOperationLog {
+  id          BigInt           @id @default(autoincrement())
+  operationId String           @map("operation_id")
+  level       String
+  phase       String
+  message     String           @db.Text
+  createdAt   DateTime         @default(now()) @map("created_at")
+  operation   GatewayOperation @relation(fields: [operationId], references: [id], onDelete: Cascade)
+
+  @@index([operationId, id])
+  @@map("gateway_operation_log")
+}
+
 model GatewayReleaseState {
   id                String    @id @default("gateway")
   activeCommitSha   String?   @map("active_commit_sha")