chore: migrate console.error in useGeminiStream (#12157)

Co-authored-by: Hriday Taneja <hridayt@google.com>

packages/cli/src/ui/hooks/useGeminiStream.ts

@@ -35,6 +35,7 @@ import {
   promptIdContext,
   WRITE_FILE_TOOL_NAME,
   tokenLimit,
+  debugLogger,
   runInDevTraceSpan,
 } from '@google/gemini-cli-core';
 import { type Part, type PartListUnion, FinishReason } from '@google/genai';
@@ -162,7 +163,7 @@ export const useGeminiStream = (
               completedToolCallsFromScheduler,
             );
         } catch (error) {
-          console.error(
+          debugLogger.warn(
             `Error recording completed tool call information: ${error}`,
           );
         }
@@ -1004,7 +1005,7 @@ export const useGeminiStream = (
                 ToolConfirmationOutcome.ProceedOnce,
               );
             } catch (error) {
-              console.error(
+              debugLogger.warn(
                 `Failed to auto-approve tool call ${call.request.callId}:`,
                 error,
               );