From 0bcb8ce6c3914627a19cc792ad78abd59d5a36eb Mon Sep 17 00:00:00 2001
From: Syngnat <yangguofeng919@gmail.com>
Date: Wed, 13 May 2026 20:19:44 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20fix(ai-chat):=20=E4=BF=AE?=
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- 识别 IME keyCode/which 229 的候选输入事件
- 避免候选词确认触发 AI 对话发送
- 补充发送快捷键回归测试
Refs #461
---
 frontend/src/utils/aiChatSendShortcut.test.ts |  3 +++
 frontend/src/utils/aiChatSendShortcut.ts      | 11 ++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/frontend/src/utils/aiChatSendShortcut.test.ts b/frontend/src/utils/aiChatSendShortcut.test.ts
index 0ae56ec..d6d1aab 100644
--- a/frontend/src/utils/aiChatSendShortcut.test.ts
+++ b/frontend/src/utils/aiChatSendShortcut.test.ts
@@ -52,6 +52,9 @@ describe('aiChatSendShortcut', () => {
     expect(shouldSendAIChatOnKeyDown(binding('Enter'), { key: 'Enter', shiftKey: true })).toBe(false);
     expect(shouldSendAIChatOnKeyDown(binding('Enter'), { key: 'Enter', isComposing: true })).toBe(false);
     expect(shouldSendAIChatOnKeyDown(binding('Enter'), { key: 'Enter', nativeEvent: { isComposing: true } })).toBe(false);
+    expect(shouldSendAIChatOnKeyDown(binding('Enter'), { key: 'Enter', keyCode: 229 })).toBe(false);
+    expect(shouldSendAIChatOnKeyDown(binding('Enter'), { key: 'Enter', which: 229 })).toBe(false);
+    expect(shouldSendAIChatOnKeyDown(binding('Enter'), { key: 'Enter', nativeEvent: { keyCode: 229 } })).toBe(false);
     expect(shouldSendAIChatOnKeyDown(binding('Enter'), { key: 'a' })).toBe(false);
     expect(shouldSendAIChatOnKeyDown(binding('Enter', false), { key: 'Enter' })).toBe(false);
   });
diff --git a/frontend/src/utils/aiChatSendShortcut.ts b/frontend/src/utils/aiChatSendShortcut.ts
index d2ebcab..6e90d17 100644
--- a/frontend/src/utils/aiChatSendShortcut.ts
+++ b/frontend/src/utils/aiChatSendShortcut.ts
@@ -2,6 +2,8 @@ import { DEFAULT_SHORTCUT_OPTIONS, getShortcutDisplay, isShortcutMatch, type Sho
 
 export interface AIChatSendShortcutKeyEventLike {
   key?: string;
+  keyCode?: number;
+  which?: number;
   shiftKey?: boolean;
   metaKey?: boolean;
   ctrlKey?: boolean;
@@ -9,6 +11,8 @@ export interface AIChatSendShortcutKeyEventLike {
   isComposing?: boolean;
   nativeEvent?: {
     isComposing?: boolean;
+    keyCode?: number;
+    which?: number;
   };
   preventDefault?: () => void;
   stopPropagation?: () => void;
@@ -29,7 +33,12 @@ export const shouldSendAIChatOnKeyDown = (
   if (!binding?.enabled) {
     return false;
   }
-  if (event.shiftKey || event.isComposing || event.nativeEvent?.isComposing) {
+  // Some IMEs report Enter during an active candidate/composition as keyCode 229.
+  const isImeCandidateEvent = event.keyCode === 229
+    || event.which === 229
+    || event.nativeEvent?.keyCode === 229
+    || event.nativeEvent?.which === 229;
+  if (event.shiftKey || event.isComposing || event.nativeEvent?.isComposing || isImeCandidateEvent) {
     return false;
   }
   return isShortcutMatch(event as KeyboardEvent, binding.combo);