fix(Talk): 头像绑定改用 :userUUID，修正 prop 匹配以显示 GERP 系统头像

src/views/talk/Talk.vue

@@ -1006,7 +1006,7 @@ onBeforeUnmount(() => {
             @click="OpenConversation(conversation)"
           >
             <TalkAvatar
-              :user-uuid="ConversationAvatarUUID(conversation)"
+              :userUUID="ConversationAvatarUUID(conversation)"
               :name="ConversationTitle(conversation)"
               :seed="conversation.ConversationUUID"
             />
@@ -1095,7 +1095,7 @@ onBeforeUnmount(() => {
                     {{ message.Content }}
                   </div>
                   <div v-else class="talk-msg-row" :class="{ self: IsSelf(message) }">
-                    <TalkAvatar :user-uuid="message.SenderUUID" :name="message.SenderName" size="small" />
+                    <TalkAvatar :userUUID="message.SenderUUID" :name="message.SenderName" size="small" />
                     <div class="talk-msg-body">
                       <div v-if="IsGroupChat && !IsSelf(message)" class="talk-msg-sender">
                         {{ message.SenderName }}
@@ -1196,7 +1196,7 @@ onBeforeUnmount(() => {
         </div>
         <el-scrollbar class="talk-members-scroll">
           <div v-for="member in SortedMembers" :key="member.UserUUID" class="talk-member-item">
-            <TalkAvatar :user-uuid="member.UserUUID" :name="MemberName(member)" size="small" />
+            <TalkAvatar :userUUID="member.UserUUID" :name="MemberName(member)" size="small" />
             <span class="talk-member-name">{{ MemberName(member) }}</span>
             <el-tag v-if="member.MemberRole === TalkMemberRole.Owner" size="small" type="warning">群主</el-tag>
             <el-tag v-else-if="member.MemberRole === TalkMemberRole.Admin" size="small" type="success">

src/views/talk/TalkAvatar.vue

@@ -5,9 +5,9 @@
  * 传入 userUUID 时以系统头像（/Query/GetELTUserAvatar）呈现；
  * 群聊等无对应用户的场景（userUUID 为空）或头像加载失败时，回退为首字母色块。
  *
- * 注意：prop 名必须为 camelCase（与仓库其它组件一致），否则模板中用 kebab-case
- * 绑定时 Vue 只会按 camelize(key)（user-uuid → userUuid）匹配声明键，PascalCase
- * 声明将永远取不到值。
+ * 注意：prop 名与模板绑定必须同形（与 UserDetailPanel 一致，调用方写作 :userUUID）。
+ * Vue 只按 camelize(属性名) 匹配声明键——`user-uuid` 会被 camelize 成 `userUuid`，
+ * 与声明键 `userUUID` 不相等，故不能用 kebab-case 绑定本组件。
  */
 import { computed, ref, watch } from 'vue'
 import { buildTalkAvatarUrl } from '@/api/talk'