避免手机工具栏按钮在失焦重排时丢失点击

static/js/chat.js

@@ -1842,9 +1842,11 @@ if(window.visualViewport){
 window.addEventListener('pageshow', scheduleChatViewport);
 inputDom.addEventListener('focus', scheduleChatViewport);
 inputDom.addEventListener('blur', scheduleChatViewport);
-// Keep an already open keyboard while tapping Send; keyboard navigation is unchanged.
-sendBtn.addEventListener('pointerdown', function(event){
-    if(event.button === 0 && document.activeElement === inputDom) event.preventDefault();
+// Let toolbar clicks complete before blur changes the keyboard and composer layout.
+document.querySelector('.composer').addEventListener('pointerdown', function(event){
+    if(event.button === 0 && document.activeElement === inputDom && event.target.closest('button')){
+        event.preventDefault();
+    }
 });
 syncChatViewport();
 

tests/frontend/chat.test.cjs

@@ -711,15 +711,20 @@ test('late AI completion does not steal focus or reopen a dismissed mobile keybo
     }
 });
 
-test('mobile quick questions do not summon the keyboard and tapping Send retains an active draft focus', async () => {
+test('mobile quick questions keep the keyboard closed and composer controls finish clicking before blur changes layout', async () => {
     const app=await customerPage({human:false,width:390});
     const input=app.element('input-text');
     await app.context.window.fillInput('快捷咨询');await flush();
     assert.equal(input.focusCalls.length,0);
     input.focus();
-    let prevented=false;
-    app.element('send-button').listeners.pointerdown({button:0,preventDefault(){prevented=true;}});
-    assert.ok(prevented);
+    for(const name of ['send-button','voice-toggle','emoji-toggle','upload-btn']){
+        let prevented=false;
+        app.element('.composer').listeners.pointerdown({button:0,target:{closest:()=>app.element(name)},preventDefault(){prevented=true;}});
+        assert.ok(prevented);
+    }
+    let blockedTextSelection=false;
+    app.element('.composer').listeners.pointerdown({button:0,target:{closest:()=>null},preventDefault(){blockedTextSelection=true;}});
+    assert.equal(blockedTextSelection,false);
     assert.equal(app.context.document.activeElement,input);
 });