✨ feat(im): 修一批正确性 / UX 细节：群名 trim 空、敏感词 / 封禁理由空白校验、默认群名计入创建者、ack 后重算会话摘要、文本重试复用 clientMessageId 防重复

src/views/im/home/pages/conversation/components/conversation/ConversationGroupSide.vue

@@ -539,12 +539,17 @@ watch(visible, (v) => {
   }
 })
 
-/** 群主：保存群名（走 /im/group/update） */
+/** 群主：保存群名（走 /im/group/update）；trim 后空字符串拒提交，与 saveGroupRemark 行为对齐 */
 async function saveName() {
   if (!props.group) {
     return
   }
-  await updateGroup({ id: props.group.id, name: editName.value })
+  const trimmed = editName.value.trim()
+  if (!trimmed) {
+    message.warning('群名称不能为空')
+    return
+  }
+  await updateGroup({ id: props.group.id, name: trimmed })
   namePopoverVisible.value = false
   message.success('保存成功')
   emit('reload')

src/views/im/home/pages/conversation/components/message/MessageItem.vue

@@ -939,9 +939,9 @@ async function handleRecall() {
  * 失败消息点击重试
  *
  * - 媒体消息（image / file / voice / video）：_localFile 在内存就重走 uploadAndSendMedia（重新上传 + 占位 + 进度）
- * - 文本消息：移除 FAILED 占位 + 用原 content 走一遍 sendRaw 新建占位
+ * - 文本消息：复用原 clientMessageId + status 回滚到 SENDING，走 existingClientMessageId 路径让服务端按 cmid 幂等
  *
- * 媒体类型若 _localFile 已丢（理论上 IDB 恢复阶段就被 drop，进不到这里；保险起见仍走文本兜底）则按 sendRaw 重发，
+ * 媒体类型若 _localFile 已丢（理论上 IDB 恢复阶段就被 drop，进不到这里；保险起见仍走文本兜底）则按文本路径重发，
  * 后端拒绝失效 blob URL 时再次 FAILED，用户可右键删除
  *
  * 不还原原 receipt：群回执是发送时的扩展选项、不会持久化到 message，强行猜测可能与原意不符；
@@ -983,13 +983,13 @@ async function handleResend() {
     }
   }
 
-  // 文本类型 / 媒体类型但 _localFile 已丢：原 content 走 sendRaw 重发
-  conversationStore.removeMessage(conversation.type, conversation.targetId, {
-    id: message.id,
-    clientMessageId: message.clientMessageId
+  // 文本类型 / 媒体类型但 _localFile 已丢：把 FAILED 占位回滚到 SENDING，复用 clientMessageId 让服务端按 cmid 幂等去重
+  conversationStore.patchMessage(conversation.type, conversation.targetId, message.clientMessageId, {
+    status: ImMessageStatus.SENDING
   })
   await sendRaw(message.type, message.content, {
-    atUserIds: message.atUserIds
+    atUserIds: message.atUserIds,
+    existingClientMessageId: message.clientMessageId
   })
 }
 

src/views/im/home/store/conversationStore.ts

@@ -657,11 +657,17 @@ export const useConversationStore = defineStore('imConversationStore', {
       if (!conversation) {
         return
       }
-      const message = conversation.messages.find((item) => item.clientMessageId === clientMessageId)
-      if (!message) {
+      const messageIndex = conversation.messages.findIndex(
+        (item) => item.clientMessageId === clientMessageId
+      )
+      if (messageIndex < 0) {
         return
       }
-      applyServerMessageUpdate(message, updates)
+      applyServerMessageUpdate(conversation.messages[messageIndex], updates)
+      // ack 命中末尾消息时按服务端 sendTime / content 重算会话摘要，让会话列表跟着权威值排序
+      if (messageIndex === conversation.messages.length - 1) {
+        recomputeConversationLast(conversation)
+      }
       if (updates.id) {
         this.updateMaxId(conversationType, updates.id)
       }

src/views/im/manager/group/GroupBanForm.vue

@@ -34,7 +34,7 @@ const formLoading = ref(false) // 提交的加载中
 const formData = reactive({ id: 0, groupName: '', reason: '' }) // 封禁表单
 const formRef = ref() // 表单 Ref
 const formRules = {
-  reason: [{ required: true, message: '封禁原因不能为空', trigger: 'blur' }]
+  reason: [{ required: true, whitespace: true, message: '封禁原因不能为空', trigger: 'blur' }]
 }
 
 /** 打开弹窗 */

src/views/im/manager/sensitiveword/SensitiveWordForm.vue

@@ -54,7 +54,7 @@ const formData = ref({
   status: CommonStatusEnum.ENABLE
 })
 const formRules = reactive({
-  word: [{ required: true, message: '敏感词不能为空', trigger: 'blur' }],
+  word: [{ required: true, whitespace: true, message: '敏感词不能为空', trigger: 'blur' }],
   status: [{ required: true, message: '状态不能为空', trigger: 'blur' }]
 })
 const formRef = ref() // 表单 Ref

src/views/im/utils/group.ts

@@ -10,7 +10,8 @@ export function buildDefaultGroupName(members: FriendLite[]): string {
   const names = members.slice(0, 4).map((m) => m.displayName || m.nickname || '')
   const head = names.filter(Boolean).join('、')
   if (members.length > 4) {
-    return `${head}等${members.length}人`
+    // members 只含被选好友，+1 把创建者也计入实际成员数
+    return `${head}等${members.length + 1}人`
   }
   return head || '群聊'
 }