feat(api): add OpenClawGatewayModule with agent registry (MS22-P1b)

apps/api/prisma/migrations/20260301075200_add_openclaw_agent_registry/migration.sql

@@ -0,0 +1,18 @@
+-- CreateTable
+CREATE TABLE "OpenClawAgent" (
+    "id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "displayName" TEXT NOT NULL,
+    "role" TEXT NOT NULL,
+    "gatewayUrl" TEXT NOT NULL,
+    "agentId" TEXT NOT NULL DEFAULT 'main',
+    "model" TEXT NOT NULL,
+    "isActive" BOOLEAN NOT NULL DEFAULT true,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "OpenClawAgent_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "OpenClawAgent_name_key" ON "OpenClawAgent"("name");

apps/api/prisma/schema.prisma

@@ -1407,6 +1407,19 @@ model Instance {
   @@map("instances")
 }
 
+model OpenClawAgent {
+  id          String   @id @default(cuid())
+  name        String   @unique // "jarvis-main", "jarvis-projects", etc.
+  displayName String // "Jarvis (Main)", etc.
+  role        String // "orchestrator" | "developer" | "researcher" | "operations"
+  gatewayUrl  String // "http://jarvis-main:18789"
+  agentId     String   @default("main") // OpenClaw agent id within that instance
+  model       String // "zai/glm-5", "ollama/cogito"
+  isActive    Boolean  @default(true)
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+}
+
 model FederationConnection {
   id          String @id @default(uuid()) @db.Uuid
   workspaceId String @map("workspace_id") @db.Uuid