fix: keep Shift+Enter inserting new lines in chat input

Author: roomote

webview-ui/src/components/chat/ChatTextArea.tsx

@@ -490,8 +490,8 @@ export const ChatTextArea = forwardRef<HTMLTextAreaElement, ChatTextAreaProps>(
 				// Handle Enter key based on enterBehavior setting
 				if (event.key === "Enter" && !isComposing) {
 					if (enterBehavior === "newline") {
-						// New behavior: Enter = newline, Shift+Enter or Ctrl+Enter = send
-						if (event.shiftKey || event.ctrlKey || event.metaKey) {
+						// New behavior: Enter = newline, Ctrl/Cmd+Enter = send
+						if (event.ctrlKey || event.metaKey) {
 							event.preventDefault()
 							resetHistoryNavigation()
 							onSend()

webview-ui/src/components/chat/__tests__/ChatTextArea.spec.tsx

@@ -1081,7 +1081,7 @@ describe("ChatTextArea", () => {
 				expect(shiftEnterEvent.defaultPrevented).toBe(false)
 			})
 
-			it("should treat Ctrl/Cmd/Shift+Enter as send and plain Enter as newline in newline mode", () => {
+			it("should send only on Ctrl/Cmd+Enter and allow Shift+Enter in newline mode", () => {
 				const onSend = vi.fn()
 
 				;(useExtensionState as ReturnType<typeof vi.fn>).mockReturnValue({
@@ -1118,8 +1118,8 @@ describe("ChatTextArea", () => {
 					cancelable: true,
 				})
 				fireEvent(textarea, shiftEnterEvent)
-				expect(onSend).toHaveBeenCalledTimes(2)
-				expect(shiftEnterEvent.defaultPrevented).toBe(true)
+				expect(onSend).toHaveBeenCalledTimes(1)
+				expect(shiftEnterEvent.defaultPrevented).toBe(false)
 			})
 		})
 	})