initial: standalone repo from monorepo split

packages/db/prisma/migrations/20260403082101_add_audit_logs/migration.sql

@@ -0,0 +1,23 @@
+-- CreateTable
+CREATE TABLE "audit_logs" (
+    "id" TEXT NOT NULL,
+    "tenantId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "action" TEXT NOT NULL,
+    "entity" TEXT NOT NULL,
+    "entityId" TEXT NOT NULL,
+    "details" JSONB NOT NULL DEFAULT '{}',
+    "ipAddress" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "audit_logs_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "audit_logs_tenantId_idx" ON "audit_logs"("tenantId");
+
+-- CreateIndex
+CREATE INDEX "audit_logs_tenantId_entity_idx" ON "audit_logs"("tenantId", "entity");
+
+-- CreateIndex
+CREATE INDEX "audit_logs_userId_idx" ON "audit_logs"("userId");