Basis: Certvia dev@a48c5fb als Fundament für Craftvia

Unveränderter Stand von certvia/dev (a48c5fb) plus Craftvia-Spezifikation
und Brandbook unter docs/craftvia/. ISMS-Module werden im Folgecommit entfernt.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

prisma/migrations/20260729150000_control_implementations/migration.sql

@@ -0,0 +1,36 @@
+-- CreateTable
+CREATE TABLE "control_implementations" (
+    "id" TEXT NOT NULL,
+    "tenant_id" TEXT NOT NULL,
+    "req_id" TEXT NOT NULL,
+    "control" TEXT NOT NULL,
+    "status" TEXT NOT NULL DEFAULT 'offen',
+    "note" TEXT,
+    "updated_by_id" TEXT,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "control_implementations_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "control_implementations_tenant_id_idx" ON "control_implementations"("tenant_id");
+
+-- CreateIndex
+CREATE INDEX "control_implementations_tenant_id_control_idx" ON "control_implementations"("tenant_id", "control");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "control_implementations_tenant_id_req_id_key" ON "control_implementations"("tenant_id", "req_id");
+
+
+-- Row Level Security (zweite Verteidigungslinie, analog übrige Mandanten-Tabellen)
+DO $$
+DECLARE t text;
+BEGIN
+  FOREACH t IN ARRAY ARRAY['control_implementations'] LOOP
+    EXECUTE format('ALTER TABLE %I ENABLE ROW LEVEL SECURITY', t);
+    EXECUTE format(
+      'CREATE POLICY tenant_isolation ON %I USING (tenant_id = current_setting(''app.tenant_id'', true))',
+      t
+    );
+  END LOOP;
+END $$;