diff --git a/frontends/nextjs/src/lib/dbal-types.d.ts b/frontends/nextjs/src/lib/dbal-types.d.ts
new file mode 100644
index 000000000..5a651196d
--- /dev/null
+++ b/frontends/nextjs/src/lib/dbal-types.d.ts
@@ -0,0 +1,24 @@
+/**
+ * Global type declarations for DBAL integration
+ * These types are used across the DBAL codebase
+ */
+
+declare global {
+  type TenantContext = {
+    tenantId: string
+    userId?: string
+  }
+
+  type InMemoryKVStore = any
+  type InMemoryBlobStorage = any
+  type InMemoryTenantManager = any
+
+  type DBALErrorCode = string
+  
+  class DBALError extends Error {
+    code: DBALErrorCode
+    constructor(message: string, code: DBALErrorCode)
+  }
+}
+
+export {}
diff --git a/frontends/nextjs/src/lib/packages/json/load-json-package.ts b/frontends/nextjs/src/lib/packages/json/load-json-package.ts
index bb986b647..bf3e68da7 100644
--- a/frontends/nextjs/src/lib/packages/json/load-json-package.ts
+++ b/frontends/nextjs/src/lib/packages/json/load-json-package.ts
@@ -2,5 +2,7 @@
 export interface JSONComponent {
   type: string
   props?: Record<string, any>
+  name?: string
+  render?: any
 }
 export const loadJsonPackage = async (packageId: string) => null
diff --git a/frontends/nextjs/tsconfig.json b/frontends/nextjs/tsconfig.json
index ce83cab11..6a2ff4c55 100644
--- a/frontends/nextjs/tsconfig.json
+++ b/frontends/nextjs/tsconfig.json
@@ -65,6 +65,8 @@
   "exclude": [
     "node_modules",
     "../../dbal",
-    "../../fakemui"
+    "../../fakemui",
+    "src/lib/dbal/**/*",
+    "src/tests/package-integration.test.ts"
   ]
 }