fix(im)：修复已读补上报字段与群通话竞态

- 将会话已上报读位置字段改为 reportedReadMessageId，避免旧 readMessageId 本地缓存污染跳过判断
- read API 跳过逻辑继续基于已上报读位置，失败后可重新进入会话补上报
- RTC_CALL_END 按 room 移除群通话胶囊，避免旧房间结束事件误删新房间通话
- participantsLoaded 仅在同 room 下继承，避免新房间误跳过参与者补齐

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

@@ -61,7 +61,7 @@ function toConversationDO(conversation: Conversation): ConversationDO {
     lastReceiptStatus: conversation.lastReceiptStatus,
     lastSelfSend: conversation.lastSelfSend,
     lastSenderDisplayName: conversation.lastSenderDisplayName,
-    readMessageId: conversation.readMessageId,
+    reportedReadMessageId: conversation.reportedReadMessageId,
     deleted: conversation.deleted,
     top: conversation.top,
     silent: conversation.silent,
@@ -307,7 +307,7 @@ export const useConversationStore = defineStore('imConversationStore', {
         return false
       }
       const conversation = this.getConversation(type, targetId)
-      return (conversation?.readMessageId || 0) >= messageId
+      return (conversation?.reportedReadMessageId || 0) >= messageId
     },
 
     /** 应用读位置到会话 */
@@ -366,9 +366,9 @@ export const useConversationStore = defineStore('imConversationStore', {
         const conversation = this.getConversation(record.conversationType, record.targetId)
         if (
           conversation &&
-          record.messageId > (conversation.readMessageId || 0)
+          record.messageId > (conversation.reportedReadMessageId || 0)
         ) {
-          conversation.readMessageId = record.messageId
+          conversation.reportedReadMessageId = record.messageId
           changedConversations.set(clientConversationId, conversation)
         }
         if (!current || messageId > current.messageId) {
@@ -713,10 +713,10 @@ export const useConversationStore = defineStore('imConversationStore', {
         return
       }
       const conversation = this.getConversation(type, targetId)
-      if (!conversation || messageId <= (conversation.readMessageId || 0)) {
+      if (!conversation || messageId <= (conversation.reportedReadMessageId || 0)) {
         return
       }
-      conversation.readMessageId = messageId
+      conversation.reportedReadMessageId = messageId
       this.saveConversation(conversation)
     },
 

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

@@ -260,7 +260,8 @@ export const useRtcStore = defineStore('imRtc', () => {
     useGroupStore().markGroupActiveCallLoaded(payload.groupId)
     // 浅比较：room / mediaType / joinedUserIds / inviteeIds 都没变就跳过，避免下游 watcher 无意义重算
     const existing = groupActiveCalls.value.get(payload.groupId)
-    const nextParticipantsLoaded = participantsLoaded ?? !!existing?.participantsLoaded
+    const nextParticipantsLoaded =
+      participantsLoaded ?? (existing?.room === payload.room && !!existing.participantsLoaded)
     if (
       existing &&
       isSameGroupCall(existing, payload) &&
@@ -309,10 +310,14 @@ export const useRtcStore = defineStore('imRtc', () => {
   }
 
   /** 群通话结束：从 groupActiveCalls 移除；胶囊条消失 */
-  function removeGroupCall(groupId: number) {
+  function removeGroupCall(groupId: number, room?: string) {
     if (!groupId) {
       return
     }
+    const existing = groupActiveCalls.value.get(groupId)
+    if (room && existing?.room !== room) {
+      return
+    }
     clearGroupCallCache(groupId)
     useGroupStore().markGroupActiveCallLoaded(groupId)
   }
@@ -396,7 +401,7 @@ export const useRtcStore = defineStore('imRtc', () => {
       return
     }
     if (nextJoined.length === 0 && nextInvitee.length === 0) {
-      removeGroupCall(groupId)
+      removeGroupCall(groupId, room)
       return
     }
     setGroupCall({

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

@@ -1171,10 +1171,10 @@ export const useImWebSocketStore = defineStore('imWebSocketStore', {
       }
       const rtcStore = useRtcStore()
       const isGroup = payload.conversationType === ImConversationType.GROUP
-      // 群通话：移除胶囊条（按外层 groupId 取，不依赖 payload）
+      // 群通话：移除对应房间的胶囊条
       const groupId = (websocketMessage as ImGroupMessageNotification).groupId
       if (isGroup && groupId) {
-        rtcStore.removeGroupCall(groupId)
+        rtcStore.removeGroupCall(groupId, payload.room)
       }
       // 通话窗 / 来电窗指向同一 room 时关闭：
       //   RUNNING / INVITING 阶段对比 call.room；INCOMING 阶段对比 incomingPayload.room

src/views/im/home/types/index.ts

@@ -110,7 +110,7 @@ export interface Conversation {
   silent?: boolean // 是否免打扰（不展示未读徽标 + 不响提示音）
   atMe?: boolean // 群聊：是否有人 @我
   atAll?: boolean // 群聊：是否有人 @全体成员
-  readMessageId?: number // 已上报到服务端的最大已读消息编号
+  reportedReadMessageId?: number // 已上报到服务端的最大已读消息编号
   draft?: {
     html: string // 输入框 HTML
     plain: string // 输入框纯文本