feat： 修复发送消息后的键盘处理

src/pages/ChatMain/ChatInputArea/index.vue

@@ -284,23 +284,31 @@ onUnmounted(() => {
   resetUI();
 });
 
+const hideKeyboardAfterSend = () => {
+  isFocused.value = false;
+
+  const textarea = textareaRef.value;
+  if (textarea && typeof textarea.blur === "function") {
+    textarea.blur();
+  }
+
+  nextTick(() => {
+    uni.hideKeyboard();
+  });
+};
+
 const sendMessage = () => {
   if (props.isSessionActive) {
     // 如果会话进行中，调用停止请求函数
     if (props.stopRequest) {
       props.stopRequest();
     }
+    hideKeyboardAfterSend();
   } else {
     // 否则发送新消息
     if (!inputMessage.value.trim()) return;
     emit("send", inputMessage.value);
-
-    // 发送后保持焦点（可选）
-    if (props.holdKeyboard && textareaRef.value) {
-      nextTick(() => {
-        textareaRef.value.focus();
-      });
-    }
+    hideKeyboardAfterSend();
   }
 };
 
@@ -325,8 +333,9 @@ const handleTouchEnd = () => {
 const focusInput = () => {
   isFocused.value = true;
   nextTick(() => {
-    if (textareaRef.value) {
-      textareaRef.value.focus();
+    const textarea = textareaRef.value;
+    if (textarea && typeof textarea.focus === "function") {
+      textarea.focus();
     }
   });
 };
@@ -334,8 +343,10 @@ const focusInput = () => {
 // 手动失焦输入框
 const blurInput = () => {
   isFocused.value = false;
-  if (textareaRef.value) {
-    textareaRef.value.blur();
+
+  const textarea = textareaRef.value;
+  if (textarea && typeof textarea.blur === "function") {
+    textarea.blur();
   }
 
   nextTick(() => {