fix: prevent IME composition Enter from auto‑sending edited message (RooCodeInc#3477)

Author: ksmkzs

.changeset/tasty-parrots-applaud.md

@@ -0,0 +1,5 @@
+---
+"claude-dev": patch
+---
+
+prevent IME composition Enter from auto‑sending edited message

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

@@ -75,7 +75,7 @@ const UserMessage: React.FC<UserMessageProps> = ({ text, images, messageTs, send
 			setIsEditing(false)
 		} else if (e.key === "Enter" && e.metaKey && !checkpointTrackerErrorMessage) {
 			handleRestoreWorkspace("taskAndWorkspace")
-		} else if (e.key === "Enter" && !e.shiftKey) {
+		} else if (e.key === "Enter" && !e.shiftKey && !e.nativeEvent.isComposing && e.keyCode !== 229) {
 			e.preventDefault()
 			handleRestoreWorkspace("task")
 		}

webview-ui/src/components/chat/__tests__/UserMessage.ime.test.tsx

@@ -0,0 +1,44 @@
+/**
+ * UserMessage – IME composition Enter test
+ * --------------------------------------------------
+ * Confirm that sendMessageFromChatRow is not called
+ * even if you confirm the IME conversion (Enter) in message re-edit mode.
+ */
+
+import React from "react"
+import { render, fireEvent } from "@testing-library/react"
+import { describe, it, expect, vi } from "vitest"
+
+vi.mock("@/context/ExtensionStateContext", () => ({
+	__esModule: true,
+	useExtensionState: () => ({
+		state: {},
+		dispatch: vi.fn(),
+	}),
+}))
+
+import UserMessage from "../UserMessage"
+
+describe("UserMessage – IME composition handling", () => {
+	it("does NOT send when IME composition Enter is pressed while editing", () => {
+		const sendMessageFromChatRow = vi.fn()
+
+		const { getByText } = render(
+			<UserMessage text="変換テスト" images={[]} messageTs={Date.now()} sendMessageFromChatRow={sendMessageFromChatRow} />,
+		)
+
+		const editable = getByText("変換テスト") as HTMLElement
+		editable.setAttribute("contenteditable", "true")
+		editable.focus()
+
+		fireEvent.compositionStart(editable)
+		fireEvent.keyDown(editable, {
+			key: "Enter",
+			keyCode: 13,
+			nativeEvent: { isComposing: true },
+		})
+		fireEvent.compositionEnd(editable)
+
+		expect(sendMessageFromChatRow).not.toHaveBeenCalled()
+	})
+})