Feat: spell check toggle for desktop (#626)

* feat: (desktop) add spellcheck toggle for text inputs

* fix: show spellcheck toggle only on desktop

* fix: apply the preference consistently to chat and commit inputs

packages/ui/src/lib/api/types.ts

@@ -525,6 +525,7 @@ export interface SettingsPayload {
   queueModeEnabled?: boolean;
   gitmojiEnabled?: boolean;
   toolCallExpansion?: 'collapsed' | 'activity' | 'detailed' | 'changes';
+  inputSpellcheckEnabled?: boolean;
   fontSize?: number;
   terminalFontSize?: number;
   padding?: number;

packages/ui/src/lib/desktop.ts

@@ -116,6 +116,7 @@ export type DesktopSettings = {
   gitModelId?: string;
   pwaAppName?: string;
   toolCallExpansion?: 'collapsed' | 'activity' | 'detailed' | 'changes';
+  inputSpellcheckEnabled?: boolean;
   userMessageRenderingMode?: 'markdown' | 'plain';
   stickyUserHeader?: boolean;
   fontSize?: number;

packages/ui/src/lib/persistence.ts

@@ -374,6 +374,9 @@ const applyDesktopUiPreferences = (settings: DesktopSettings) => {
       store.setToolCallExpansion(settings.toolCallExpansion);
     }
   }
+  if (typeof settings.inputSpellcheckEnabled === 'boolean' && settings.inputSpellcheckEnabled !== store.inputSpellcheckEnabled) {
+    store.setInputSpellcheckEnabled(settings.inputSpellcheckEnabled);
+  }
   if (typeof settings.userMessageRenderingMode === 'string'
     && (settings.userMessageRenderingMode === 'markdown' || settings.userMessageRenderingMode === 'plain')) {
     if (settings.userMessageRenderingMode !== store.userMessageRenderingMode) {
@@ -741,6 +744,9 @@ const sanitizeWebSettings = (payload: unknown): DesktopSettings | null => {
   ) {
     result.toolCallExpansion = candidate.toolCallExpansion;
   }
+  if (typeof candidate.inputSpellcheckEnabled === 'boolean') {
+    result.inputSpellcheckEnabled = candidate.inputSpellcheckEnabled;
+  }
   if (typeof candidate.userMessageRenderingMode === 'string'
     && (candidate.userMessageRenderingMode === 'markdown' || candidate.userMessageRenderingMode === 'plain')) {
     result.userMessageRenderingMode = candidate.userMessageRenderingMode;