refactor: deprecate legacy confirmation settings and enforce Policy Engine (#15626)

packages/cli/src/config/config.test.ts

@@ -16,6 +16,7 @@ import {
   WEB_FETCH_TOOL_NAME,
   type ExtensionLoader,
   debugLogger,
+  ApprovalMode,
 } from '@google/gemini-cli-core';
 import { loadCliConfig, parseArguments, type CliArgs } from './config.js';
 import type { Settings } from './settings.js';
@@ -629,14 +630,7 @@ describe('loadCliConfig', () => {
     expect(config.getFileFilteringRespectGeminiIgnore()).toBe(
       DEFAULT_FILE_FILTERING_OPTIONS.respectGeminiIgnore,
     );
-  });
-
-  it('should default enableMessageBusIntegration to true when unconfigured', async () => {
-    process.argv = ['node', 'script.js'];
-    const argv = await parseArguments({} as Settings);
-    const settings: Settings = {};
-    const config = await loadCliConfig(settings, 'test-session', argv);
-    expect(config['enableMessageBusIntegration']).toBe(true);
+    expect(config.getApprovalMode()).toBe(ApprovalMode.DEFAULT);
   });
 });
 

packages/cli/src/config/config.ts

@@ -542,9 +542,6 @@ export async function loadCliConfig(
     approvalMode,
   );
 
-  const enableMessageBusIntegration =
-    settings.tools?.enableMessageBusIntegration ?? true;
-
   const allowedTools = argv.allowedTools || settings.tools?.allowed || [];
   const allowedToolsSet = new Set(allowedTools);
 
@@ -695,7 +692,6 @@ export async function loadCliConfig(
     output: {
       format: (argv.outputFormat ?? settings.output?.format) as OutputFormat,
     },
-    enableMessageBusIntegration,
     codebaseInvestigatorSettings:
       settings.experimental?.codebaseInvestigatorSettings,
     introspectionAgentSettings:

packages/cli/src/config/settings.ts

@@ -85,7 +85,6 @@ const MIGRATION_MAP: Record<string, string> = {
   disableAutoUpdate: 'general.disableAutoUpdate',
   disableUpdateNag: 'general.disableUpdateNag',
   dnsResolutionOrder: 'advanced.dnsResolutionOrder',
-  enableMessageBusIntegration: 'tools.enableMessageBusIntegration',
   enableHooks: 'tools.enableHooks',
   enablePromptCompletion: 'general.enablePromptCompletion',
   enforcedAuthType: 'security.auth.enforcedType',

packages/cli/src/config/settingsSchema.ts

@@ -1073,18 +1073,6 @@ const SETTINGS_SCHEMA = {
         description: 'The number of lines to keep when truncating tool output.',
         showInDialog: true,
       },
-      enableMessageBusIntegration: {
-        type: 'boolean',
-        label: 'Enable Message Bus Integration',
-        category: 'Tools',
-        requiresRestart: true,
-        default: true,
-        description: oneLine`
-          Enable policy-based tool confirmation via message bus integration.
-          When enabled, tools automatically respect policy engine decisions (ALLOW/DENY/ASK_USER) without requiring individual tool implementations.
-        `,
-        showInDialog: true,
-      },
       enableHooks: {
         type: 'boolean',
         label: 'Enable Hooks System',

packages/cli/src/config/settings_repro.test.ts

@@ -150,7 +150,7 @@ describe('Settings Repro', () => {
           showColor: true,
           enableInteractiveShell: true,
         },
-        enableMessageBusIntegration: true,
+        truncateToolOutputLines: 100,
       },
       experimental: {
         useModelRouter: false,