Headless enhancement: add stream-json as input-format/output-format to support programmatically use (#926)

packages/core/src/tools/task.ts

@@ -332,7 +332,7 @@ class TaskToolInvocation extends BaseToolInvocation<TaskParams, ToolResult> {
             ...this.currentToolCalls![toolCallIndex],
             status: event.success ? 'success' : 'failed',
             error: event.error,
-            resultDisplay: event.resultDisplay,
+            responseParts: event.responseParts,
           };
 
           this.updateDisplay(

packages/core/src/tools/tool-error.ts

@@ -14,6 +14,8 @@ export enum ToolErrorType {
   UNHANDLED_EXCEPTION = 'unhandled_exception',
   TOOL_NOT_REGISTERED = 'tool_not_registered',
   EXECUTION_FAILED = 'execution_failed',
+  // Try to execute a tool that is excluded due to the approval mode
+  EXECUTION_DENIED = 'execution_denied',
 
   // File System Errors
   FILE_NOT_FOUND = 'file_not_found',

packages/core/src/tools/tools.ts

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import type { FunctionDeclaration, PartListUnion } from '@google/genai';
+import type { FunctionDeclaration, Part, PartListUnion } from '@google/genai';
 import { ToolErrorType } from './tool-error.js';
 import type { DiffUpdateResult } from '../ide/ide-client.js';
 import type { ShellExecutionConfig } from '../services/shellExecutionService.js';
@@ -461,6 +461,7 @@ export interface TaskResultDisplay {
     args?: Record<string, unknown>;
     result?: string;
     resultDisplay?: string;
+    responseParts?: Part[];
     description?: string;
   }>;
 }