refactor(logging): Centralize console logging with debugLogger (#11590)

packages/a2a-server/src/config/config.ts

@@ -21,6 +21,7 @@ import {
   DEFAULT_GEMINI_EMBEDDING_MODEL,
   DEFAULT_GEMINI_MODEL,
   type GeminiCLIExtension,
+  debugLogger,
 } from '@google/gemini-cli-core';
 
 import { logger } from '../utils/logger.js';
@@ -125,7 +126,7 @@ export function mergeMcpServers(
   for (const extension of extensions) {
     Object.entries(extension.mcpServers || {}).forEach(([key, server]) => {
       if (mcpServers[key]) {
-        console.warn(
+        debugLogger.warn(
           `Skipping extension MCP config for server with key "${key}" as it already exists.`,
         );
         return;

packages/a2a-server/src/http/endpoints.test.ts

@@ -16,7 +16,7 @@ import type { AddressInfo } from 'node:net';
 import { createApp, updateCoderAgentCardUrl } from './app.js';
 import type { TaskMetadata } from '../types.js';
 import { createMockConfig } from '../utils/testing_utils.js';
-import type { Config } from '@google/gemini-cli-core';
+import { debugLogger, type Config } from '@google/gemini-cli-core';
 
 // Mock the logger to avoid polluting test output
 // Comment out to help debug
@@ -115,7 +115,7 @@ describe('Agent Server Endpoints', () => {
       try {
         fs.rmSync(testWorkspace, { recursive: true, force: true });
       } catch (e) {
-        console.warn(`Could not remove temp dir '${testWorkspace}':`, e);
+        debugLogger.warn(`Could not remove temp dir '${testWorkspace}':`, e);
       }
     }
   });