feat(ui): reduce home directory warning noise and add opt-out setting (#16229)

packages/cli/src/config/settingsSchema.ts

@@ -384,6 +384,16 @@ const SETTINGS_SCHEMA = {
           'Show Gemini CLI status and thoughts in the terminal window title',
         showInDialog: true,
       },
+      showHomeDirectoryWarning: {
+        type: 'boolean',
+        label: 'Show Home Directory Warning',
+        category: 'UI',
+        requiresRestart: true,
+        default: true,
+        description:
+          'Show a warning when running Gemini CLI in the home directory.',
+        showInDialog: true,
+      },
       hideTips: {
         type: 'boolean',
         label: 'Hide Tips',