Fix telemetry shutdown noise and improve token usage diagnostics (#444)

Co-authored-by: zuolingxuan <zuolingxuan@bytedance.com>

tests/unit/token-usage-scan.test.ts

@@ -0,0 +1,89 @@
+import { mkdir, rm, writeFile } from 'fs/promises';
+import { join } from 'path';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+const { testHome, testUserData } = vi.hoisted(() => {
+  const suffix = Math.random().toString(36).slice(2);
+  return {
+    testHome: `/tmp/clawx-token-usage-${suffix}`,
+    testUserData: `/tmp/clawx-token-usage-user-data-${suffix}`,
+  };
+});
+
+vi.mock('os', async () => {
+  const actual = await vi.importActual<typeof import('os')>('os');
+  const mocked = {
+    ...actual,
+    homedir: () => testHome,
+  };
+  return {
+    ...mocked,
+    default: mocked,
+  };
+});
+
+vi.mock('electron', () => ({
+  app: {
+    isPackaged: false,
+    getPath: () => testUserData,
+    getVersion: () => '0.0.0-test',
+  },
+}));
+
+describe('token usage session scan', () => {
+  beforeEach(async () => {
+    vi.resetModules();
+    vi.restoreAllMocks();
+    await rm(testHome, { recursive: true, force: true });
+    await rm(testUserData, { recursive: true, force: true });
+  });
+
+  it('includes transcripts from agent directories that exist on disk but are not configured', async () => {
+    const openclawDir = join(testHome, '.openclaw');
+    await mkdir(openclawDir, { recursive: true });
+    await writeFile(join(openclawDir, 'openclaw.json'), JSON.stringify({
+      agents: {
+        list: [
+          { id: 'main', name: 'Main', default: true },
+        ],
+      },
+    }, null, 2), 'utf8');
+
+    const diskOnlySessionsDir = join(openclawDir, 'agents', 'custom-custom25', 'sessions');
+    await mkdir(diskOnlySessionsDir, { recursive: true });
+    await writeFile(
+      join(diskOnlySessionsDir, 'f8e66f77-0125-4e2f-b750-9c4de01e8f5a.jsonl'),
+      [
+        JSON.stringify({
+          type: 'message',
+          timestamp: '2026-03-12T12:19:00.000Z',
+          message: {
+            role: 'assistant',
+            model: 'gpt-5.2-2025-12-11',
+            provider: 'openai',
+            usage: {
+              input: 17649,
+              output: 107,
+              total: 17756,
+            },
+          },
+        }),
+      ].join('\n'),
+      'utf8',
+    );
+
+    const { getRecentTokenUsageHistory } = await import('@electron/utils/token-usage');
+    const entries = await getRecentTokenUsageHistory();
+
+    expect(entries).toEqual(
+      expect.arrayContaining([
+        expect.objectContaining({
+          agentId: 'custom-custom25',
+          sessionId: 'f8e66f77-0125-4e2f-b750-9c4de01e8f5a',
+          model: 'gpt-5.2-2025-12-11',
+          totalTokens: 17756,
+        }),
+      ]),
+    );
+  });
+});