diff --git a/apps/mana/apps/web/src/lib/data/backup/format.test.ts b/apps/mana/apps/web/src/lib/data/backup/format.test.ts
index 82b61f733..8961d3cca 100644
--- a/apps/mana/apps/web/src/lib/data/backup/format.test.ts
+++ b/apps/mana/apps/web/src/lib/data/backup/format.test.ts
@@ -29,7 +29,7 @@ interface EntrySpec {
  * the parser does not verify it (sha256 on the uncompressed content plays
  * that role at a higher level).
  */
-function buildZip(entries: EntrySpec[]): Uint8Array {
+function buildZip(entries: EntrySpec[]): Uint8Array<ArrayBuffer> {
 	const parts: Uint8Array[] = [];
 	const central: Uint8Array[] = [];
 	let offset = 0;
diff --git a/packages/shared-types/src/index.ts b/packages/shared-types/src/index.ts
index 19a97e2ef..d3bc3d705 100644
--- a/packages/shared-types/src/index.ts
+++ b/packages/shared-types/src/index.ts
@@ -5,25 +5,25 @@
  */
 
 // Theme types
-export * from './theme.ts';
+export * from './theme';
 
 // Auth types
-export * from './auth.ts';
+export * from './auth';
 
 // UI types
-export * from './ui.ts';
+export * from './ui';
 
 // Common utility types
-export * from './common.ts';
+export * from './common';
 
 // Contact types for cross-app integration
-export * from './contact.ts';
+export * from './contact';
 
 // Landing page configuration types
-export * from './landing-config.ts';
+export * from './landing-config';
 
 // AI structured-output Zod schemas (shared between mana-api + web frontend)
-export * from './ai-schemas.ts';
+export * from './ai-schemas';
 
 // API types
 export interface User {