feat(profiles): add setting to toggle project switcher on main page

Add a show/hide toggle for the header project profile switcher under
the Homepage Display section in settings. Defaults to visible so
existing users keep the current behavior.

src-tauri/src/settings.rs

@@ -374,6 +374,9 @@ pub struct AppSettings {
     /// Whether to show the failover toggle independently on the main page
     #[serde(default)]
     pub enable_failover_toggle: bool,
+    /// Whether to show the project profile switcher on the main page header
+    #[serde(default = "default_show_profile_switcher")]
+    pub show_profile_switcher: bool,
     /// Keep Codex ChatGPT login material in auth.json when switching to third-party providers.
     /// Opt-in: defaults to false so third-party switches cleanly overwrite auth.json.
     #[serde(default)]
@@ -490,6 +493,10 @@ fn default_minimize_to_tray_on_close() -> bool {
     true
 }
 
+fn default_show_profile_switcher() -> bool {
+    true
+}
+
 impl Default for AppSettings {
     fn default() -> Self {
         Self {
@@ -506,6 +513,7 @@ impl Default for AppSettings {
             usage_dashboard_refresh_interval_ms: None,
             stream_check_confirmed: None,
             enable_failover_toggle: false,
+            show_profile_switcher: true,
             preserve_codex_official_auth_on_switch: false,
             unify_codex_session_history: false,
             unify_codex_migrate_existing: None,

src/App.tsx

@@ -1263,14 +1263,15 @@ function App() {
                     )}
                 </div>
               )}
-            {currentView === "providers" && (
-              <div
-                className="flex shrink-0 items-center"
-                style={{ WebkitAppRegion: "no-drag" } as any}
-              >
-                <ProfileSwitcher activeApp={activeApp} />
-              </div>
-            )}
+            {currentView === "providers" &&
+              (settingsData?.showProfileSwitcher ?? true) && (
+                <div
+                  className="flex shrink-0 items-center"
+                  style={{ WebkitAppRegion: "no-drag" } as any}
+                >
+                  <ProfileSwitcher activeApp={activeApp} />
+                </div>
+              )}
             <div
               ref={toolbarRef}
               className="flex flex-1 min-w-0 overflow-x-hidden items-center py-4 pr-2"

src/components/settings/AppVisibilitySettings.tsx

@@ -1,5 +1,7 @@
 import { useTranslation } from "react-i18next";
+import { FolderOpen } from "lucide-react";
 import { Button } from "@/components/ui/button";
+import { ToggleRow } from "@/components/ui/toggle-row";
 import { cn } from "@/lib/utils";
 import { ProviderIcon } from "@/components/ProviderIcon";
 import type { SettingsFormState } from "@/hooks/useSettings";
@@ -91,6 +93,13 @@ export function AppVisibilitySettings({
           );
         })}
       </div>
+      <ToggleRow
+        icon={<FolderOpen className="h-4 w-4 text-emerald-500" />}
+        title={t("settings.appVisibility.showProfileSwitcher")}
+        description={t("settings.appVisibility.showProfileSwitcherDescription")}
+        checked={settings.showProfileSwitcher ?? true}
+        onCheckedChange={(value) => onChange({ showProfileSwitcher: value })}
+      />
     </section>
   );
 }

src/i18n/locales/en.json

@@ -697,7 +697,9 @@
       "claudeDesc": "Anthropic Claude Code CLI",
       "codexDesc": "OpenAI Codex CLI",
       "geminiDesc": "Google Gemini CLI",
-      "opencodeDesc": "OpenCode CLI"
+      "opencodeDesc": "OpenCode CLI",
+      "showProfileSwitcher": "Show project switcher",
+      "showProfileSwitcherDescription": "Show the project switcher in the main page header"
     },
     "skillStorage": {
       "title": "Skill Storage Location",

src/i18n/locales/ja.json

@@ -697,7 +697,9 @@
       "claudeDesc": "Anthropic Claude Code CLI",
       "codexDesc": "OpenAI Codex CLI",
       "geminiDesc": "Google Gemini CLI",
-      "opencodeDesc": "OpenCode CLI"
+      "opencodeDesc": "OpenCode CLI",
+      "showProfileSwitcher": "プロジェクト切り替えを表示",
+      "showProfileSwitcherDescription": "メイン画面上部にプロジェクト切り替えを表示します"
     },
     "skillStorage": {
       "title": "スキル保存場所",

src/i18n/locales/zh-TW.json

@@ -697,7 +697,9 @@
       "claudeDesc": "Anthropic Claude Code CLI",
       "codexDesc": "OpenAI Codex CLI",
       "geminiDesc": "Google Gemini CLI",
-      "opencodeDesc": "OpenCode CLI"
+      "opencodeDesc": "OpenCode CLI",
+      "showProfileSwitcher": "顯示專案切換",
+      "showProfileSwitcherDescription": "在主頁面頂部顯示專案切換入口"
     },
     "skillStorage": {
       "title": "Skills 儲存位置",

src/i18n/locales/zh.json

@@ -697,7 +697,9 @@
       "claudeDesc": "Anthropic Claude Code CLI",
       "codexDesc": "OpenAI Codex CLI",
       "geminiDesc": "Google Gemini CLI",
-      "opencodeDesc": "OpenCode CLI"
+      "opencodeDesc": "OpenCode CLI",
+      "showProfileSwitcher": "显示项目切换",
+      "showProfileSwitcherDescription": "在主页面顶部显示项目切换入口"
     },
     "skillStorage": {
       "title": "Skills 存储位置",

src/types.ts

@@ -375,6 +375,8 @@ export interface Settings {
   streamCheckConfirmed?: boolean;
   // Whether to show the failover toggle independently on the main page
   enableFailoverToggle?: boolean;
+  // Whether to show the project profile switcher on the main page header
+  showProfileSwitcher?: boolean;
   // Preserve Codex ChatGPT login in auth.json when switching third-party providers
   preserveCodexOfficialAuthOnSwitch?: boolean;
   // Run official Codex under the shared "custom" provider id so future