fix: improve OpenCode settings handling

Improves OpenCode CLI and shortcut settings flows
Updates runtime API and persistence handling
Adds coverage for settings helper behavior

packages/ui/src/components/sections/openchamber/KeyboardShortcutsSettings.tsx

@@ -5,6 +5,7 @@ import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip
 import { Icon } from "@/components/icon/Icon";
 import { useUIStore } from '@/stores/useUIStore';
 import { cn } from '@/lib/utils';
+import { updateDesktopSettings } from '@/lib/persistence';
 import {
   formatShortcutForDisplay,
   getCustomizableShortcutActions,
@@ -70,6 +71,10 @@ export const KeyboardShortcutsSettings: React.FC = () => {
     conflictActionId: string;
   } | null>(null);
 
+  const persistShortcutOverrides = React.useCallback((nextOverrides: Record<string, ShortcutCombo>) => {
+    void updateDesktopSettings({ shortcutOverrides: nextOverrides });
+  }, []);
+
   const findConflict = React.useCallback((actionId: string, combo: ShortcutCombo): string | null => {
     const normalized = normalizeCombo(combo);
     for (const action of actions) {
@@ -93,7 +98,9 @@ export const KeyboardShortcutsSettings: React.FC = () => {
       return;
     }
 
+    const nextOverrides = { ...shortcutOverrides, [actionId]: normalized };
     setShortcutOverride(actionId, normalized);
+    persistShortcutOverrides(nextOverrides);
     setPendingOverwrite(null);
     setErrorText('');
     setWarningText(isRiskyBrowserShortcut(normalized) ? t('settings.openchamber.keyboardShortcuts.warning.riskyBrowserShortcut') : '');
@@ -102,15 +109,21 @@ export const KeyboardShortcutsSettings: React.FC = () => {
       delete rest[actionId];
       return rest;
     });
-  }, [findConflict, setShortcutOverride, t]);
+  }, [findConflict, persistShortcutOverrides, setShortcutOverride, shortcutOverrides, t]);
 
   const confirmOverwrite = React.useCallback(() => {
     if (!pendingOverwrite) {
       return;
     }
 
+    const nextOverrides = {
+      ...shortcutOverrides,
+      [pendingOverwrite.conflictActionId]: UNASSIGNED_SHORTCUT,
+      [pendingOverwrite.actionId]: pendingOverwrite.combo,
+    };
     setShortcutOverride(pendingOverwrite.conflictActionId, UNASSIGNED_SHORTCUT);
     setShortcutOverride(pendingOverwrite.actionId, pendingOverwrite.combo);
+    persistShortcutOverrides(nextOverrides);
     setPendingOverwrite(null);
     setErrorText('');
     setWarningText(isRiskyBrowserShortcut(pendingOverwrite.combo) ? t('settings.openchamber.keyboardShortcuts.warning.riskyBrowserShortcut') : '');
@@ -119,10 +132,13 @@ export const KeyboardShortcutsSettings: React.FC = () => {
       delete rest[pendingOverwrite.actionId];
       return rest;
     });
-  }, [pendingOverwrite, setShortcutOverride, t]);
+  }, [pendingOverwrite, persistShortcutOverrides, setShortcutOverride, shortcutOverrides, t]);
 
   const resetOne = React.useCallback((actionId: string) => {
+    const nextOverrides = { ...shortcutOverrides };
+    delete nextOverrides[actionId];
     clearShortcutOverride(actionId);
+    persistShortcutOverrides(nextOverrides);
     setDraftByAction((current) => {
       const rest = { ...current };
       delete rest[actionId];
@@ -131,7 +147,7 @@ export const KeyboardShortcutsSettings: React.FC = () => {
     setPendingOverwrite(null);
     setErrorText('');
     setWarningText('');
-  }, [clearShortcutOverride]);
+  }, [clearShortcutOverride, persistShortcutOverrides, shortcutOverrides]);
 
   return (
     <div className="mb-8">
@@ -145,6 +161,7 @@ export const KeyboardShortcutsSettings: React.FC = () => {
             className="!font-normal"
             onClick={() => {
               resetAllShortcutOverrides();
+              persistShortcutOverrides({});
               setDraftByAction({});
               setPendingOverwrite(null);
               setErrorText('');

packages/ui/src/components/sections/openchamber/OpenCodeCliSettings.tsx

@@ -82,6 +82,11 @@ export const OpenCodeCliSettings: React.FC = () => {
     }
   }, [t, value]);
 
+  const handleShowUpdateNotificationsChange = React.useCallback((enabled: boolean) => {
+    setShowOpenCodeUpdateNotifications(enabled);
+    void updateDesktopSettings({ showOpenCodeUpdateNotifications: enabled });
+  }, [setShowOpenCodeUpdateNotifications]);
+
   return (
     <div className="mb-8">
       <div className="mb-1 px-1">
@@ -147,7 +152,7 @@ export const OpenCodeCliSettings: React.FC = () => {
         <label className="flex cursor-pointer items-center gap-2 py-1.5">
           <Checkbox
             checked={showOpenCodeUpdateNotifications}
-            onChange={setShowOpenCodeUpdateNotifications}
+            onChange={handleShowUpdateNotificationsChange}
             ariaLabel={t('settings.openchamber.opencodeCli.field.showUpdateNotificationsAria')}
           />
           <span className="typography-ui-label text-foreground">