Fixing broken tests, adding UI setting to docs

docs/get-started/configuration.md

@@ -179,6 +179,10 @@ their corresponding top-level category object in your `settings.json` file.
   - **Default:** `false`
   - **Requires restart:** Yes
 
+- **`ui.showInlineThinking`** (boolean):
+  - **Description:** Show model thinking summaries inline in the conversation.
+  - **Default:** `false`
+
 - **`ui.showStatusInTitle`** (boolean):
   - **Description:** Show Gemini CLI status and thoughts in the terminal window
     title

packages/cli/src/ui/components/MainContent.test.tsx

@@ -11,6 +11,16 @@ import { Box, Text } from 'ink';
 import type React from 'react';
 
 // Mock dependencies
+vi.mock('../contexts/SettingsContext.js', () => ({
+  useSettings: () => ({
+    merged: {
+      ui: {
+        showInlineThinking: false,
+      },
+    },
+  }),
+}));
+
 vi.mock('../contexts/AppContext.js', () => ({
   useAppContext: () => ({
     version: '1.0.0',

packages/cli/src/ui/components/messages/ThinkingMessage.test.tsx

@@ -5,7 +5,7 @@
  */
 
 import { describe, it, expect } from 'vitest';
-import { render } from 'ink-testing-library';
+import { render } from '../../../test-utils/render.js';
 import { ThinkingMessage } from './ThinkingMessage.js';
 
 describe('ThinkingMessage', () => {

schemas/settings.schema.json

@@ -187,6 +187,13 @@
           "default": false,
           "type": "boolean"
         },
+        "showInlineThinking": {
+          "title": "Show Inline Thinking",
+          "description": "Show model thinking summaries inline in the conversation.",
+          "markdownDescription": "Show model thinking summaries inline in the conversation.\n\n- Category: `UI`\n- Requires restart: `no`\n- Default: `false`",
+          "default": false,
+          "type": "boolean"
+        },
         "showStatusInTitle": {
           "title": "Show Status in Title",
           "description": "Show Gemini CLI status and thoughts in the terminal window title",