fix(telemetry): Prevent duplicate StartSessionEvent logging (#12090)

packages/cli/src/core/initializer.ts

@@ -10,6 +10,8 @@ import {
   IdeConnectionType,
   logIdeConnection,
   type Config,
+  StartSessionEvent,
+  logCliConfiguration,
 } from '@google/gemini-cli-core';
 import { type LoadedSettings } from '../config/settings.js';
 import { performInitialAuth } from './auth.js';
@@ -42,6 +44,11 @@ export async function initializeApp(
   const shouldOpenAuthDialog =
     settings.merged.security?.auth?.selectedType === undefined || !!authError;
 
+  logCliConfiguration(
+    config,
+    new StartSessionEvent(config, config.getToolRegistry()),
+  );
+
   if (config.getIdeMode()) {
     const ideClient = await IdeClient.getInstance();
     await ideClient.connect();

packages/cli/src/gemini.test.tsx

@@ -174,6 +174,18 @@ describe('gemini.tsx main function', () => {
         getMessageBus: () => ({
           subscribe: vi.fn(),
         }),
+        getToolRegistry: vi.fn(),
+        getContentGeneratorConfig: vi.fn(),
+        getModel: () => 'gemini-pro',
+        getEmbeddingModel: () => 'embedding-001',
+        getApprovalMode: () => 'default',
+        getCoreTools: () => [],
+        getTelemetryEnabled: () => false,
+        getTelemetryLogPromptsEnabled: () => false,
+        getFileFilteringRespectGitIgnore: () => true,
+        getOutputFormat: () => 'text',
+        getExtensions: () => [],
+        getUsageStatisticsEnabled: () => false,
       } as unknown as Config;
     });
     vi.mocked(loadSettings).mockReturnValue({
@@ -309,6 +321,18 @@ describe('gemini.tsx main function kitty protocol', () => {
       getMessageBus: () => ({
         subscribe: vi.fn(),
       }),
+      getToolRegistry: vi.fn(),
+      getContentGeneratorConfig: vi.fn(),
+      getModel: () => 'gemini-pro',
+      getEmbeddingModel: () => 'embedding-001',
+      getApprovalMode: () => 'default',
+      getCoreTools: () => [],
+      getTelemetryEnabled: () => false,
+      getTelemetryLogPromptsEnabled: () => false,
+      getFileFilteringRespectGitIgnore: () => true,
+      getOutputFormat: () => 'text',
+      getExtensions: () => [],
+      getUsageStatisticsEnabled: () => false,
     } as unknown as Config);
     vi.mocked(loadSettings).mockReturnValue({
       errors: [],