feat: remove session summary feature (#8545)

integration-tests/session-summary.test.ts

@@ -1,37 +0,0 @@
-/**
- * @license
- * Copyright 2025 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-import { TestRig } from './test-helper.js';
-import { describe, it, expect, beforeEach, afterEach } from 'vitest';
-import { join } from 'node:path';
-import { readFileSync } from 'node:fs';
-
-describe('session-summary flag', () => {
-  let rig: TestRig;
-
-  beforeEach(function (context) {
-    rig = new TestRig();
-    if (context.task.name) {
-      rig.setup(context.task.name);
-    }
-  });
-
-  afterEach(async () => {
-    await rig.cleanup();
-  });
-
-  it('should write a session summary in non-interactive mode', async () => {
-    const summaryPath = join(rig.testDir!, 'summary.json');
-    await rig.run('Say hello', '--session-summary', summaryPath);
-
-    const summaryContent = readFileSync(summaryPath, 'utf-8');
-    const summary = JSON.parse(summaryContent);
-
-    expect(summary).toBeDefined();
-    expect(summary.sessionMetrics.models).toBeDefined();
-    expect(summary.sessionMetrics.tools).toBeDefined();
-  });
-});

packages/cli/src/config/config.ts

@@ -81,7 +81,6 @@ export interface CliArgs {
   includeDirectories: string[] | undefined;
   screenReader: boolean | undefined;
   useSmartEdit: boolean | undefined;
-  sessionSummary: string | undefined;
   promptWords: string[] | undefined;
   outputFormat: string | undefined;
 }
@@ -232,10 +231,6 @@ export async function parseArguments(settings: Settings): Promise<CliArgs> {
           description: 'Enable screen reader mode for accessibility.',
           default: false,
         })
-        .option('session-summary', {
-          type: 'string',
-          description: 'File to write session summary to.',
-        })
         .option('output-format', {
           type: 'string',
           description: 'The format of the CLI output.',

packages/cli/src/gemini.test.tsx

@@ -45,7 +45,7 @@ vi.mock('./config/config.js', () => ({
     getSandbox: vi.fn(() => false),
     getQuestion: vi.fn(() => ''),
   } as unknown as Config),
-  parseArguments: vi.fn().mockResolvedValue({ sessionSummary: null }),
+  parseArguments: vi.fn().mockResolvedValue({}),
 }));
 
 vi.mock('read-package-up', () => ({
@@ -242,7 +242,6 @@ describe('gemini.tsx main function kitty protocol', () => {
       includeDirectories: undefined,
       screenReader: undefined,
       useSmartEdit: undefined,
-      sessionSummary: undefined,
       promptWords: undefined,
       outputFormat: undefined,
     });

packages/cli/src/gemini.tsx

@@ -34,7 +34,6 @@ import {
   logUserPrompt,
   AuthType,
   getOauthClient,
-  uiTelemetryService,
 } from '@google/gemini-cli-core';
 import {
   initializeApp,
@@ -48,7 +47,7 @@ import { checkForUpdates } from './ui/utils/updateCheck.js';
 import { handleAutoUpdate } from './utils/handleAutoUpdate.js';
 import { appEvents, AppEvent } from './utils/events.js';
 import { SettingsContext } from './ui/contexts/SettingsContext.js';
-import { writeFileSync } from 'node:fs';
+
 import { SessionStatsProvider } from './ui/contexts/SessionContext.js';
 import { VimModeProvider } from './ui/contexts/VimModeContext.js';
 import { KeypressProvider } from './ui/contexts/KeypressContext.js';
@@ -235,15 +234,6 @@ export async function main() {
     // Detect and enable Kitty keyboard protocol once at startup.
     kittyProtocolDetectionComplete = detectAndEnableKittyProtocol();
   }
-  if (argv.sessionSummary) {
-    registerCleanup(() => {
-      const metrics = uiTelemetryService.getMetrics();
-      writeFileSync(
-        argv.sessionSummary!,
-        JSON.stringify({ sessionMetrics: metrics }, null, 2),
-      );
-    });
-  }
 
   const consolePatcher = new ConsolePatcher({
     stderr: true,