Select workflow:

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src/__tests__/addTask.test.ts

@@ -24,7 +24,6 @@ vi.mock('../infra/config/global/globalConfig.js', () => ({
 vi.mock('../shared/prompt/index.js', () => ({
   promptInput: vi.fn(),
   confirm: vi.fn(),
-  selectOption: vi.fn(),
 }));
 
 vi.mock('../infra/task/summarize.js', () => ({
@@ -46,12 +45,12 @@ vi.mock('../shared/utils/index.js', async (importOriginal) => ({
   }),
 }));
 
-vi.mock('../infra/config/loaders/workflowLoader.js', () => ({
+vi.mock('../features/tasks/execute/selectAndExecute.js', () => ({
-  listWorkflows: vi.fn(),
+  determineWorkflow: vi.fn(),
 }));
 
-vi.mock('../infra/config/paths.js', async (importOriginal) => ({ ...(await importOriginal<Record<string, unknown>>()),
+vi.mock('../infra/config/loaders/workflowResolver.js', () => ({
-  getCurrentWorkflow: vi.fn(() => 'default'),
+  getWorkflowDescription: vi.fn(() => ({ name: 'default', description: '' })),
 }));
 
 vi.mock('../infra/github/issue.js', () => ({
@@ -71,9 +70,10 @@ vi.mock('../infra/github/issue.js', () => ({
 
 import { interactiveMode } from '../features/interactive/index.js';
 import { getProvider } from '../infra/providers/index.js';
-import { promptInput, confirm, selectOption } from '../shared/prompt/index.js';
+import { promptInput, confirm } from '../shared/prompt/index.js';
 import { summarizeTaskName } from '../infra/task/summarize.js';
-import { listWorkflows } from '../infra/config/loaders/workflowLoader.js';
+import { determineWorkflow } from '../features/tasks/execute/selectAndExecute.js';
+import { getWorkflowDescription } from '../infra/config/loaders/workflowResolver.js';
 import { resolveIssueTask } from '../infra/github/issue.js';
 import { addTask, summarizeConversation } from '../features/tasks/index.js';
 
@@ -83,9 +83,9 @@ const mockInteractiveMode = vi.mocked(interactiveMode);
 const mockGetProvider = vi.mocked(getProvider);
 const mockPromptInput = vi.mocked(promptInput);
 const mockConfirm = vi.mocked(confirm);
-const mockSelectOption = vi.mocked(selectOption);
 const mockSummarizeTaskName = vi.mocked(summarizeTaskName);
-const mockListWorkflows = vi.mocked(listWorkflows);
+const mockDetermineWorkflow = vi.mocked(determineWorkflow);
+const mockGetWorkflowDescription = vi.mocked(getWorkflowDescription);
 
 /** Helper: set up mocks for the full happy path */
 function setupFullFlowMocks(overrides?: {
@@ -97,6 +97,8 @@ function setupFullFlowMocks(overrides?: {
   const summary = overrides?.summaryContent ?? '# 認証機能追加\nJWT認証を実装する';
   const slug = overrides?.slug ?? 'add-auth';
 
+  mockDetermineWorkflow.mockResolvedValue('default');
+  mockGetWorkflowDescription.mockReturnValue({ name: 'default', description: '' });
   mockInteractiveMode.mockResolvedValue({ confirmed: true, task });
 
   const mockProviderCall = vi.fn().mockResolvedValue({ content: summary });
@@ -104,7 +106,6 @@ function setupFullFlowMocks(overrides?: {
 
   mockSummarizeTaskName.mockResolvedValue(slug);
   mockConfirm.mockResolvedValue(false);
-  mockListWorkflows.mockReturnValue([]);
 
   return { mockProviderCall };
 }
@@ -114,7 +115,8 @@ let testDir: string;
 beforeEach(() => {
   vi.clearAllMocks();
   testDir = fs.mkdtempSync(path.join(tmpdir(), 'takt-test-'));
-  mockListWorkflows.mockReturnValue([]);
+  mockDetermineWorkflow.mockResolvedValue('default');
+  mockGetWorkflowDescription.mockReturnValue({ name: 'default', description: '' });
   mockConfirm.mockResolvedValue(false);
 });
 
@@ -127,6 +129,7 @@ afterEach(() => {
 describe('addTask', () => {
   it('should cancel when interactive mode is not confirmed', async () => {
     // Given: user cancels interactive mode
+    mockDetermineWorkflow.mockResolvedValue('default');
     mockInteractiveMode.mockResolvedValue({ confirmed: false, task: '' });
 
     // When
@@ -257,11 +260,11 @@ describe('addTask', () => {
   });
 
   it('should include workflow selection in task file', async () => {
-    // Given: multiple workflows available
+    // Given: determineWorkflow returns a non-default workflow
     setupFullFlowMocks({ slug: 'with-workflow' });
-    mockListWorkflows.mockReturnValue(['default', 'review']);
+    mockDetermineWorkflow.mockResolvedValue('review');
+    mockGetWorkflowDescription.mockReturnValue({ name: 'review', description: 'Code review workflow' });
     mockConfirm.mockResolvedValue(false);
-    mockSelectOption.mockResolvedValue('review');
 
     // When
     await addTask(testDir);
@@ -273,11 +276,8 @@ describe('addTask', () => {
   });
 
   it('should cancel when workflow selection returns null', async () => {
-    // Given: workflows available but user cancels selection
+    // Given: user cancels workflow selection
-    setupFullFlowMocks({ slug: 'cancelled' });
+    mockDetermineWorkflow.mockResolvedValue(null);
-    mockListWorkflows.mockReturnValue(['default', 'review']);
-    mockConfirm.mockResolvedValue(false);
-    mockSelectOption.mockResolvedValue(null);
 
     // When
     await addTask(testDir);
@@ -288,20 +288,19 @@ describe('addTask', () => {
     expect(files.length).toBe(0);
   });
 
-  it('should not include workflow when current workflow is selected', async () => {
+  it('should always include workflow from determineWorkflow', async () => {
-    // Given: current workflow selected (no need to record it)
+    // Given: determineWorkflow returns 'default'
     setupFullFlowMocks({ slug: 'default-wf' });
-    mockListWorkflows.mockReturnValue(['default', 'review']);
+    mockDetermineWorkflow.mockResolvedValue('default');
     mockConfirm.mockResolvedValue(false);
-    mockSelectOption.mockResolvedValue('default');
 
     // When
     await addTask(testDir);
 
-    // Then: workflow field should not be in the YAML
+    // Then: workflow field is included
     const taskFile = path.join(testDir, '.takt', 'tasks', 'default-wf.yaml');
     const content = fs.readFileSync(taskFile, 'utf-8');
-    expect(content).not.toContain('workflow:');
+    expect(content).toContain('workflow: default');
   });
 
   it('should fetch issue and use directly as task content when given issue reference', async () => {
@@ -311,7 +310,6 @@ describe('addTask', () => {
 
     mockSummarizeTaskName.mockResolvedValue('fix-login-timeout');
     mockConfirm.mockResolvedValue(false);
-    mockListWorkflows.mockReturnValue([]);
 
     // When
     await addTask(testDir, '#99');
@@ -329,13 +327,14 @@ describe('addTask', () => {
     expect(content).toContain('Fix login timeout');
   });
 
-  it('should proceed to worktree/workflow settings after issue fetch', async () => {
+  it('should proceed to worktree settings after issue fetch', async () => {
     // Given: issue with worktree enabled
     mockResolveIssueTask.mockReturnValue('Issue text');
     mockSummarizeTaskName.mockResolvedValue('issue-task');
     mockConfirm.mockResolvedValue(true);
-    mockPromptInput.mockResolvedValue('');
+    mockPromptInput
-    mockListWorkflows.mockReturnValue([]);
+      .mockResolvedValueOnce('')  // worktree path (auto)
+      .mockResolvedValueOnce(''); // branch name (auto)
 
     // When
     await addTask(testDir, '#42');
@@ -368,7 +367,6 @@ describe('addTask', () => {
     mockResolveIssueTask.mockReturnValue(issueText);
     mockSummarizeTaskName.mockResolvedValue('fix-login-timeout');
     mockConfirm.mockResolvedValue(false);
-    mockListWorkflows.mockReturnValue([]);
 
     // When
     await addTask(testDir, '#99');

src/core/workflow/engine/OptionsBuilder.ts

@@ -45,9 +45,12 @@ export class OptionsBuilder {
       ? step.allowedTools?.filter((t) => t !== 'Write')
       : step.allowedTools;
 
+    // Skip session resume when cwd !== projectCwd (worktree execution) to avoid cross-directory contamination
+    const shouldResumeSession = step.session !== 'refresh' && this.getCwd() === this.getProjectCwd();
+
     return {
       ...this.buildBaseOptions(step),
-      sessionId: step.session === 'refresh' ? undefined : this.getSessionId(step.agent ?? step.name),
+      sessionId: shouldResumeSession ? this.getSessionId(step.agent ?? step.name) : undefined,
       allowedTools,
     };
   }

src/features/tasks/add/index.ts

@@ -8,10 +8,11 @@
 import * as fs from 'node:fs';
 import * as path from 'node:path';
 import { stringify as stringifyYaml } from 'yaml';
-import { promptInput, confirm, selectOption } from '../../../shared/prompt/index.js';
+import { promptInput, confirm } from '../../../shared/prompt/index.js';
 import { success, info } from '../../../shared/ui/index.js';
 import { summarizeTaskName, type TaskFileData } from '../../../infra/task/index.js';
-import { loadGlobalConfig, listWorkflows, getCurrentWorkflow } from '../../../infra/config/index.js';
+import { loadGlobalConfig, getWorkflowDescription } from '../../../infra/config/index.js';
+import { determineWorkflow } from '../execute/selectAndExecute.js';
 import { getProvider, type ProviderType } from '../../../infra/providers/index.js';
 import { createLogger, getErrorMessage } from '../../../shared/utils/index.js';
 import { getPrompt } from '../../../shared/prompts/index.js';
@@ -62,18 +63,21 @@ async function generateFilename(tasksDir: string, taskContent: string, cwd: stri
  * add command handler
  *
  * Flow:
- *   1. AI対話モードでタスクを詰める
+ *   1. ワークフロー選択
- *   2. 会話履歴からAIがタスク要約を生成
+ *   2. AI対話モードでタスクを詰める
- *   3. 要約からファイル名をAIで生成
+ *   3. 会話履歴からAIがタスク要約を生成
- *   4. ワークツリー/ブランチ/ワークフロー設定
+ *   4. 要約からファイル名をAIで生成
- *   5. YAMLファイル作成
+ *   5. ワークツリー/ブランチ設定
+ *   6. YAMLファイル作成
  */
 export async function addTask(cwd: string, task?: string): Promise<void> {
   const tasksDir = path.join(cwd, '.takt', 'tasks');
   fs.mkdirSync(tasksDir, { recursive: true });
 
+  // 1. ワークフロー選択（Issue参照以外の場合、対話モードの前に実施）
   let taskContent: string;
   let issueNumber: number | undefined;
+  let workflow: string | undefined;
 
   if (task && isIssueReference(task)) {
     // Issue reference: fetch issue and use directly as task content
@@ -91,8 +95,18 @@ export async function addTask(cwd: string, task?: string): Promise<void> {
       return;
     }
   } else {
+    // ワークフロー選択を先に行い、結果を対話モードに渡す
+    const workflowId = await determineWorkflow(cwd);
+    if (workflowId === null) {
+      info('Cancelled.');
+      return;
+    }
+    workflow = workflowId;
+
+    const workflowContext = getWorkflowDescription(workflowId, cwd);
+
     // Interactive mode: AI conversation to refine task
-    const result = await interactiveMode(cwd);
+    const result = await interactiveMode(cwd, undefined, workflowContext);
     if (!result.confirmed) {
       info('Cancelled.');
       return;
@@ -106,10 +120,9 @@ export async function addTask(cwd: string, task?: string): Promise<void> {
   const firstLine = taskContent.split('\n')[0] || taskContent;
   const filename = await generateFilename(tasksDir, firstLine, cwd);
 
-  // 4. ワークツリー/ブランチ/ワークフロー設定
+  // 4. ワークツリー/ブランチ設定
   let worktree: boolean | string | undefined;
   let branch: string | undefined;
-  let workflow: string | undefined;
 
   const useWorktree = await confirm('Create worktree?', true);
   if (useWorktree) {
@@ -122,26 +135,6 @@ export async function addTask(cwd: string, task?: string): Promise<void> {
     }
   }
 
-  const availableWorkflows = listWorkflows(cwd);
-  if (availableWorkflows.length > 0) {
-    const currentWorkflow = getCurrentWorkflow(cwd);
-    const defaultWorkflow = availableWorkflows.includes(currentWorkflow)
-      ? currentWorkflow
-      : availableWorkflows[0]!;
-    const options = availableWorkflows.map((name) => ({
-      label: name === currentWorkflow ? `${name} (current)` : name,
-      value: name,
-    }));
-    const selected = await selectOption('Select workflow:', options);
-    if (selected === null) {
-      info('Cancelled.');
-      return;
-    }
-    if (selected !== defaultWorkflow) {
-      workflow = selected;
-    }
-  }
-
   // 5. YAMLファイル作成
   const taskData: TaskFileData = { task: taskContent };
   if (worktree !== undefined) {

src/infra/claude/options-builder.ts

@@ -74,9 +74,9 @@ export class SdkOptionsBuilder {
       };
     }
 
-    if (this.options.onStream) {
+    // Always enable — QueryExecutor uses the async iterator (`for await`)
-      sdkOptions.includePartialMessages = true;
+    // which only yields when this flag is true.
-    }
+    sdkOptions.includePartialMessages = true;
 
     if (this.options.sessionId) {
       sdkOptions.resume = this.options.sessionId;