diff --git a/packages/iios-service/prisma/migrations/20260701080858_adapter_init/migration.sql b/packages/iios-service/prisma/migrations/20260701080858_adapter_init/migration.sql
new file mode 100644
index 0000000..d06657b
--- /dev/null
+++ b/packages/iios-service/prisma/migrations/20260701080858_adapter_init/migration.sql
@@ -0,0 +1,72 @@
+-- CreateTable
+CREATE TABLE "IiosInboundRawEvent" (
+    "id" TEXT NOT NULL,
+    "channelType" TEXT NOT NULL,
+    "externalEventId" TEXT,
+    "signatureStatus" TEXT NOT NULL,
+    "status" TEXT NOT NULL DEFAULT 'RECEIVED',
+    "headers" JSONB,
+    "payload" JSONB NOT NULL,
+    "traceId" TEXT,
+    "interactionId" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "IiosInboundRawEvent_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "IiosOutboundCommand" (
+    "id" TEXT NOT NULL,
+    "channelType" TEXT NOT NULL,
+    "target" TEXT NOT NULL,
+    "payload" JSONB NOT NULL,
+    "status" TEXT NOT NULL DEFAULT 'PENDING',
+    "idempotencyKey" TEXT NOT NULL,
+    "providerRef" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "IiosOutboundCommand_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "IiosDeliveryAttempt" (
+    "id" TEXT NOT NULL,
+    "commandId" TEXT NOT NULL,
+    "attemptNo" INTEGER NOT NULL,
+    "status" TEXT NOT NULL,
+    "providerRef" TEXT,
+    "latencyMs" INTEGER,
+    "errorCode" TEXT,
+    "at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "IiosDeliveryAttempt_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "IiosRateLimitBucket" (
+    "channelType" TEXT NOT NULL,
+    "bucketKey" TEXT NOT NULL,
+    "windowStart" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "count" INTEGER NOT NULL DEFAULT 0,
+    "resetAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "IiosRateLimitBucket_pkey" PRIMARY KEY ("channelType","bucketKey")
+);
+
+-- CreateIndex
+CREATE INDEX "IiosInboundRawEvent_status_idx" ON "IiosInboundRawEvent"("status");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "IiosInboundRawEvent_channelType_externalEventId_key" ON "IiosInboundRawEvent"("channelType", "externalEventId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "IiosOutboundCommand_idempotencyKey_key" ON "IiosOutboundCommand"("idempotencyKey");
+
+-- CreateIndex
+CREATE INDEX "IiosOutboundCommand_channelType_status_idx" ON "IiosOutboundCommand"("channelType", "status");
+
+-- CreateIndex
+CREATE INDEX "IiosDeliveryAttempt_commandId_idx" ON "IiosDeliveryAttempt"("commandId");
+
+-- AddForeignKey
+ALTER TABLE "IiosDeliveryAttempt" ADD CONSTRAINT "IiosDeliveryAttempt_commandId_fkey" FOREIGN KEY ("commandId") REFERENCES "IiosOutboundCommand"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/packages/iios-service/prisma/schema.prisma b/packages/iios-service/prisma/schema.prisma
index bfb4a58..cebc88a 100644
--- a/packages/iios-service/prisma/schema.prisma
+++ b/packages/iios-service/prisma/schema.prisma
@@ -517,3 +517,63 @@ model IiosCallbackRequest {
 
   @@index([scopeId, status])
 }
+
+// ─── P5: Adapters (anti-corruption layer, simulation mode) ────────
+
+/// Raw inbound provider payload (claim-check / replay). Verified before storing.
+model IiosInboundRawEvent {
+  id              String   @id @default(cuid())
+  channelType     String
+  externalEventId String?
+  signatureStatus String // VERIFIED | INVALID | UNSIGNED
+  status          String   @default("RECEIVED") // RECEIVED | NORMALIZED | REJECTED | FAILED
+  headers         Json?
+  payload         Json
+  traceId         String?
+  interactionId   String?
+  createdAt       DateTime @default(now())
+
+  @@unique([channelType, externalEventId])
+  @@index([status])
+}
+
+/// A signed command to send on an external channel — executed by the sandbox sink.
+model IiosOutboundCommand {
+  id             String                @id @default(cuid())
+  channelType    String
+  target         String
+  payload        Json
+  status         String                @default("PENDING") // PENDING | SENT | FAILED | RATE_LIMITED
+  idempotencyKey String                @unique
+  providerRef    String?
+  createdAt      DateTime              @default(now())
+
+  attempts IiosDeliveryAttempt[]
+
+  @@index([channelType, status])
+}
+
+model IiosDeliveryAttempt {
+  id          String              @id @default(cuid())
+  commandId   String
+  command     IiosOutboundCommand @relation(fields: [commandId], references: [id], onDelete: Cascade)
+  attemptNo   Int
+  status      String
+  providerRef String?
+  latencyMs   Int?
+  errorCode   String?
+  at          DateTime            @default(now())
+
+  @@index([commandId])
+}
+
+/// Per-(channelType, key) token/window bucket for outbound throttling.
+model IiosRateLimitBucket {
+  channelType String
+  bucketKey   String
+  windowStart DateTime @default(now())
+  count       Int      @default(0)
+  resetAt     DateTime
+
+  @@id([channelType, bucketKey])
+}
diff --git a/packages/iios-service/src/test-utils/reset-db.ts b/packages/iios-service/src/test-utils/reset-db.ts
index 385af04..e51045e 100644
--- a/packages/iios-service/src/test-utils/reset-db.ts
+++ b/packages/iios-service/src/test-utils/reset-db.ts
@@ -8,6 +8,9 @@ import type { PrismaClient } from '@prisma/client';
 export async function resetDb(prisma: PrismaClient): Promise<void> {
   await prisma.$executeRawUnsafe(
     `TRUNCATE TABLE
+      "IiosInboundRawEvent","IiosDeliveryAttempt","IiosOutboundCommand","IiosRateLimitBucket",
+      "IiosTicketStateHistory","IiosTicketThreadLink","IiosCallbackRequest","IiosTicket",
+      "IiosSupportTeamMember","IiosSupportQueue",
       "IiosInboxItemStateHistory","IiosInboxItem","IiosUnreadCounter","IiosMessageReceipt",
       "IiosOutboxEvent","IiosProcessedEvent","IiosMessagePart","IiosInteraction",
       "IiosThreadParticipant","IiosThread","IiosActorRef","IiosSourceHandle","IiosChannel","IiosScope"