Include required JMAP capabilities in using

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).
 
-## [1.0.5] - 2026-05-XX
+## [1.0.5] - 2026-06-21
 
 ### Added
 
@@ -10,6 +10,7 @@ All notable changes to this project will be documented in this file. This projec
 
 ### Fixed
 - Redirect to `/login` when there is no refresh token.
+- Include required JMAP capabilities in `using`.
 - Default scopes omit `offline_access`.
 
 ## [1.0.4] - 2026-05-11

src/services/jmap/client.ts

@@ -10,7 +10,17 @@ import { logJmapExchange } from '@/lib/debug';
 import type { JmapMethodCall, JmapMethodResponse, JmapQueryResponse, JmapResponse } from '@/types/jmap';
 import type { Schema } from '@/types/schema';
 
-const JMAP_USING = ['urn:ietf:params:jmap:core', 'urn:stalwart:jmap'];
+const JMAP_USING = [
+  'urn:ietf:params:jmap:core',
+  'urn:stalwart:jmap',
+  'urn:ietf:params:jmap:blob',
+  'urn:ietf:params:jmap:mail',
+  'urn:ietf:params:jmap:calendars',
+  'urn:ietf:params:jmap:contacts',
+  'urn:ietf:params:jmap:principals',
+  'urn:ietf:params:jmap:sieve',
+  'urn:ietf:params:jmap:vacationresponse',
+];
 
 export function getAccountId(objectType: string): string {
   const { primaryAccountId, activeAccountId } = useAuthStore.getState();