fix(cli): resolve Ctrl+Enter and Ctrl+J newline issues (#17021)

packages/cli/src/ui/contexts/KeypressContext.test.tsx

@@ -154,6 +154,36 @@ describe('KeypressContext', () => {
         );
       },
     );
+
+    it('should recognize \n (LF) as ctrl+j', async () => {
+      const { keyHandler } = setupKeypressTest();
+
+      act(() => stdin.write('\n'));
+
+      expect(keyHandler).toHaveBeenCalledWith(
+        expect.objectContaining({
+          name: 'j',
+          ctrl: true,
+          meta: false,
+          shift: false,
+        }),
+      );
+    });
+
+    it('should recognize \\x1b\\n as Alt+Enter (return with meta)', async () => {
+      const { keyHandler } = setupKeypressTest();
+
+      act(() => stdin.write('\x1b\n'));
+
+      expect(keyHandler).toHaveBeenCalledWith(
+        expect.objectContaining({
+          name: 'return',
+          ctrl: false,
+          meta: true,
+          shift: false,
+        }),
+      );
+    });
   });
 
   describe('Fast return buffering', () => {

packages/cli/src/ui/contexts/KeypressContext.tsx

@@ -524,9 +524,9 @@ function* emitKeys(
       // carriage return
       name = 'return';
       meta = escaped;
-    } else if (ch === '\n') {
+    } else if (escaped && ch === '\n') {
-      // Enter, should have been called linefeed
+      // Alt+Enter (linefeed), should be consistent with carriage return
-      name = 'enter';
+      name = 'return';
       meta = escaped;
     } else if (ch === '\t') {
       // tab