fix: レビューコメントがない PR でも --pr が機能するよう修正

src/__tests__/cli-routing-pr-resolve.test.ts

@@ -213,23 +213,23 @@ describe('PR resolution in routing', () => {
       mockExit.mockRestore();
     });
 
-    it('should exit with error when PR has no review comments', async () => {
+    it('should pass to interactive mode even when PR has no review comments', async () => {
       // Given
       mockOpts.pr = 456;
       const emptyPrReview = createMockPrReview({ reviews: [], comments: [] });
       mockCheckCliStatus.mockReturnValue({ available: true });
       mockFetchPrReviewComments.mockReturnValue(emptyPrReview);
 
-      const mockExit = vi.spyOn(process, 'exit').mockImplementation(() => {
-        throw new Error('process.exit called');
-      });
+      // When
+      await executeDefaultAction();
 
-      // When/Then
-      await expect(executeDefaultAction()).rejects.toThrow('process.exit called');
-      expect(mockExit).toHaveBeenCalledWith(1);
-      expect(mockInteractiveMode).not.toHaveBeenCalled();
-
-      mockExit.mockRestore();
+      // Then: PR title/description/files are still passed to interactive mode
+      expect(mockInteractiveMode).toHaveBeenCalledWith(
+        '/test/cwd',
+        expect.stringContaining('## PR #456 Review Comments:'),
+        expect.anything(),
+        undefined,
+      );
     });
 
     it('should not resolve issues when --pr is specified', async () => {

src/__tests__/pipelineExecution.test.ts

@@ -863,7 +863,7 @@ describe('executePipeline', () => {
       expect(exitCode).toBe(2);
     });
 
-    it('should return exit code 2 when PR has no review comments', async () => {
+    it('should succeed even when PR has no review comments', async () => {
       mockFetchPrReviewComments.mockReturnValueOnce({
         number: 456,
         title: 'Fix auth bug',
@@ -874,6 +874,7 @@ describe('executePipeline', () => {
         reviews: [],
         files: ['src/auth.ts'],
       });
+      mockExecuteTask.mockResolvedValueOnce(true);
 
       const exitCode = await executePipeline({
         prNumber: 456,
@@ -882,7 +883,8 @@ describe('executePipeline', () => {
         cwd: '/tmp/test',
       });
 
-      expect(exitCode).toBe(2);
+      expect(exitCode).toBe(0);
+      expect(mockFormatPrReviewAsTask).toHaveBeenCalled();
     });
 
     it('should return exit code 2 when PR fetch fails', async () => {

src/app/cli/routing.ts

@@ -97,10 +97,6 @@ async function resolvePrInput(
     async () => getGitProvider().fetchPrReviewComments(prNumber),
   );
 
-  if (prReview.reviews.length === 0 && prReview.comments.length === 0) {
-    throw new Error(`PR #${prNumber} has no review comments`);
-  }
-
   return { initialInput: formatPrReviewAsTask(prReview) };
 }
 

src/features/pipeline/steps.ts

@@ -107,10 +107,6 @@ export function resolveTaskContent(options: PipelineExecutionOptions): TaskConte
       (provider) => provider.fetchPrReviewComments(options.prNumber!),
     );
     if (!prReview) return undefined;
-    if (prReview.reviews.length === 0 && prReview.comments.length === 0) {
-      error(`PR #${options.prNumber} has no review comments`);
-      return undefined;
-    }
     const task = formatPrReviewAsTask(prReview);
     success(`PR #${options.prNumber} fetched: "${prReview.title}"`);
     return { task, prBranch: prReview.headRefName };