Don't show activate button for task terminal

package.json

@@ -6,14 +6,15 @@
     "publisher": "ms-python",
     "preview": true,
     "engines": {
-        "vscode": "^1.106.0"
+        "vscode": "^1.110.0-20260204" 
     },
     "categories": [
         "Other"
     ],
     "enabledApiProposals": [
         "terminalShellEnv",
-        "terminalDataWriteEvent"
+        "terminalDataWriteEvent",
+        "taskExecutionTerminal"
     ],
     "capabilities": {
         "untrustedWorkspaces": {

src/features/terminal/utils.ts

@@ -1,5 +1,5 @@
 import * as path from 'path';
-import { Disposable, env, Terminal, TerminalOptions, Uri } from 'vscode';
+import { Disposable, env, tasks, Terminal, TerminalOptions, Uri } from 'vscode';
 import { PythonEnvironment, PythonProject, PythonProjectEnvironmentApi, PythonProjectGetterApi } from '../../api';
 import { timeout } from '../../common/utils/asyncUtils';
 import { createSimpleDebounce } from '../../common/utils/debounce';
@@ -129,8 +129,9 @@ function detectsCommonPromptPattern(terminalData: string): boolean {
 }
 
 export function isTaskTerminal(terminal: Terminal): boolean {
-    // TODO: Need API for core for this https://github.com/microsoft/vscode/issues/234440
-    return terminal.name.toLowerCase().includes('task');
+    // Use tasks.taskExecutions API to check if terminal is associated with a task
+    // See: https://github.com/microsoft/vscode/issues/234440
+    return tasks.taskExecutions.some((execution) => execution.terminal === terminal);
 }
 
 export function getTerminalCwd(terminal: Terminal): string | undefined {

src/test/features/terminal/activateMenuButton.unit.test.ts

@@ -0,0 +1,57 @@
+import * as assert from 'assert';
+import * as sinon from 'sinon';
+import { Terminal } from 'vscode';
+import { PythonEnvironment } from '../../../api';
+import * as commandApi from '../../../common/command.api';
+import * as activation from '../../../features/common/activation';
+import { setActivateMenuButtonContext } from '../../../features/terminal/activateMenuButton';
+import * as utils from '../../../features/terminal/utils';
+
+suite('Terminal - Activate Menu Button', () => {
+    let executeCommandStub: sinon.SinonStub;
+    let isTaskTerminalStub: sinon.SinonStub;
+    let isActivatableEnvironmentStub: sinon.SinonStub;
+
+    const mockTerminal = { name: 'test-terminal' } as Terminal;
+    const mockEnv = {} as PythonEnvironment; // Stubbed, so no properties needed
+
+    setup(() => {
+        executeCommandStub = sinon.stub(commandApi, 'executeCommand').resolves();
+        isTaskTerminalStub = sinon.stub(utils, 'isTaskTerminal');
+        isActivatableEnvironmentStub = sinon.stub(activation, 'isActivatableEnvironment');
+    });
+
+    teardown(() => {
+        sinon.restore();
+    });
+
+    test('should show activate icon when isTaskTerminal returns false', async () => {
+        // Arrange: terminal is NOT a task terminal, env is activatable
+        isTaskTerminalStub.returns(false);
+        isActivatableEnvironmentStub.returns(true);
+
+        // Act
+        await setActivateMenuButtonContext(mockTerminal, mockEnv);
+
+        // Assert: icon should be shown (pythonTerminalActivation = true)
+        assert.ok(
+            executeCommandStub.calledWith('setContext', 'pythonTerminalActivation', true),
+            'Should set pythonTerminalActivation to true for non-task terminal',
+        );
+    });
+
+    test('should hide activate icon when isTaskTerminal returns true', async () => {
+        // Arrange: terminal IS a task terminal (even if env is activatable)
+        isTaskTerminalStub.returns(true);
+        isActivatableEnvironmentStub.returns(true);
+
+        // Act
+        await setActivateMenuButtonContext(mockTerminal, mockEnv);
+
+        // Assert: icon should be hidden (pythonTerminalActivation = false)
+        assert.ok(
+            executeCommandStub.calledWith('setContext', 'pythonTerminalActivation', false),
+            'Should set pythonTerminalActivation to false for task terminal',
+        );
+    });
+});

src/vscode.proposed.taskExecutionTerminal.d.ts

@@ -0,0 +1,15 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+// https://github.com/microsoft/vscode/issues/234440
+
+declare module 'vscode' {
+    export interface TaskExecution {
+        /**
+         * The terminal associated with this task execution, if any.
+         */
+        terminal?: Terminal;
+    }
+}