chore: remove core fixes from validation PR

The core fixes (scheduler hang, policy visibility) have been moved to a standalone PR to ensure atomicity. This PR now focuses exclusively on the testing infrastructure and documentation.

packages/cli/src/ui/components/messages/ToolGroupMessage.tsx

@@ -21,7 +21,6 @@ import { isShellTool } from './ToolShared.js';
 import {
   shouldHideToolCall,
   CoreToolCallStatus,
-  ToolErrorType,
 } from '@google/gemini-cli-core';
 import { useUIState } from '../../contexts/UIStateContext.js';
 import { getToolGroupBorderAppearance } from '../../utils/borderStyles.js';
@@ -60,8 +59,7 @@ export const ToolGroupMessage: React.FC<ToolGroupMessageProps> = ({
         if (
           isLowErrorVerbosity &&
           t.status === CoreToolCallStatus.Error &&
-          !t.isClientInitiated &&
-          t.errorType !== ToolErrorType.POLICY_VIOLATION
+          !t.isClientInitiated
         ) {
           return false;
         }

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

@@ -10,7 +10,6 @@ import {
   type ToolResultDisplay,
   debugLogger,
   CoreToolCallStatus,
-  type ToolErrorType,
 } from '@google/gemini-cli-core';
 import {
   type HistoryItemToolGroup,
@@ -64,7 +63,6 @@ export function mapToDisplay(
     let progressMessage: string | undefined = undefined;
     let progress: number | undefined = undefined;
     let progressTotal: number | undefined = undefined;
-    let errorType: ToolErrorType | undefined = undefined;
 
     switch (call.status) {
       case CoreToolCallStatus.Success:
@@ -74,7 +72,6 @@ export function mapToDisplay(
       case CoreToolCallStatus.Error:
       case CoreToolCallStatus.Cancelled:
         resultDisplay = call.response.resultDisplay;
-        errorType = call.response.errorType;
         break;
       case CoreToolCallStatus.AwaitingApproval:
         correlationId = call.correlationId;
@@ -117,7 +114,6 @@ export function mapToDisplay(
       progressTotal,
       approvalMode: call.approvalMode,
       originalRequestName: call.request.originalRequestName,
-      errorType,
     };
   });
 

packages/cli/src/ui/types.ts

@@ -16,7 +16,6 @@ import {
   type AgentDefinition,
   type ApprovalMode,
   type Kind,
-  type ToolErrorType,
   CoreToolCallStatus,
   checkExhaustive,
 } from '@google/gemini-cli-core';
@@ -118,7 +117,6 @@ export interface IndividualToolCallDisplay {
   originalRequestName?: string;
   progress?: number;
   progressTotal?: number;
-  errorType?: ToolErrorType;
 }
 
 export interface CompressionProps {