introduce headless param

packages/cli/src/gemini.tsx

@@ -31,6 +31,7 @@ import {
   ValidationRequiredError,
   type AdminControlsSettings,
   debugLogger,
+  isHeadlessMode,
 } from '@google/gemini-cli-core';
 
 import { loadCliConfig, parseArguments } from './config/config.js';
@@ -271,6 +272,7 @@ export async function main() {
   const isDebugMode = cliConfig.isDebugMode(argv);
   const consolePatcher = new ConsolePatcher({
     stderr: true,
+    headlessMode: isHeadlessMode() ? true : false,
     debugMode: isDebugMode,
     onNewMessage: (msg) => {
       coreEvents.emitConsoleLog(msg.type, msg.content);

packages/cli/src/nonInteractiveCli.ts

@@ -65,6 +65,7 @@ export async function runNonInteractive({
   return promptIdContext.run(prompt_id, async () => {
     const consolePatcher = new ConsolePatcher({
       stderr: true,
+      headlessMode: true,
       debugMode: config.getDebugMode(),
       onNewMessage: (msg) => {
         coreEvents.emitConsoleLog(msg.type, msg.content);

packages/cli/src/ui/utils/ConsolePatcher.ts

@@ -13,6 +13,7 @@ interface ConsolePatcherParams {
   onNewMessage?: (message: Omit<ConsoleMessageItem, 'id'>) => void;
   debugMode: boolean;
   stderr?: boolean;
+  headlessMode?: boolean;
 }
 
 export class ConsolePatcher {
@@ -49,15 +50,15 @@ export class ConsolePatcher {
   private patchConsoleMethod =
     (type: 'log' | 'warn' | 'error' | 'debug' | 'info') =>
     (...args: unknown[]) => {
-      if (this.params.stderr) {
+      if (this.params.headlessMode) {
         if ((type === 'info' || type === 'log') && !this.params.debugMode) {
           return;
         }
-        if (type !== 'debug' || this.params.debugMode) {
+      }
+      if (type !== 'debug' || this.params.debugMode) {
+        if (this.params.stderr) {
           this.originalConsoleError(this.formatArgs(args));
-        }
-      } else {
-        if (type !== 'debug' || this.params.debugMode) {
+        } else {
           this.params.onNewMessage?.({
             type,
             content: this.formatArgs(args),