修复新会话可能出现响应不显示的情况

src/components/conversations/conversation-detail-panel.tsx

@@ -277,6 +277,11 @@ const ConversationTabView = memo(function ConversationTabView({
     async (refreshConversationId: number) => {
       try {
         const refreshed = await refreshDetailCache(refreshConversationId)
+        // Skip ACK during prompting to avoid clearing liveMessage /
+        // resetting syncState while streaming. The useEffect with the
+        // connStatus === "prompting" guard will handle it naturally
+        // once prompting ends.
+        if (prevStatusRef.current === "prompting") return
         acknowledgePersistedDetail(refreshConversationId, refreshed)
       } catch (error) {
         setSyncState(refreshConversationId, "failed")

src/components/message/message-list-view.tsx

@@ -165,6 +165,8 @@ export function MessageListView({
     [sharedT]
   )
 
+  const sessionSyncState = session?.syncState ?? "idle"
+
   const { threadItems, nonStreamingAdapted } = useMemo(() => {
     const allTurns = timelineTurns.map((item) => item.turn)
     const allAdapted = adaptMessageTurns(allTurns, adapterText)
@@ -206,12 +208,15 @@ export function MessageListView({
     }
 
     const lastPhase = timelineTurns[timelineTurns.length - 1]?.phase ?? null
-    if (connStatus === "prompting" && lastPhase === "optimistic") {
+    if (
+      lastPhase === "optimistic" &&
+      (connStatus === "prompting" || sessionSyncState === "awaiting_persist")
+    ) {
       items.push({ key: "pending-typing", kind: "typing" })
     }
 
     return { threadItems: items, nonStreamingAdapted: nonStreaming }
-  }, [adapterText, connStatus, timelineTurns])
+  }, [adapterText, connStatus, sessionSyncState, timelineTurns])
 
   const historicalPlanEntries = useMemo(
     () => extractLatestPlanEntriesFromMessages(nonStreamingAdapted),

src/contexts/conversation-runtime-context.tsx

@@ -250,7 +250,10 @@ function reduceHydrateDetail(
     ...(current ?? createEmptySession(conversationId)),
     externalId: nextExternalId,
     persistedTurns,
-    liveMessage: hasPersistedAdvance ? null : (current?.liveMessage ?? null),
+    liveMessage:
+      hasPersistedAdvance && current?.syncState !== "awaiting_persist"
+        ? null
+        : (current?.liveMessage ?? null),
     optimisticTurns: shouldDropOptimistic ? [] : optimisticTurns,
     syncState: shouldDropOptimistic ? "idle" : (current?.syncState ?? "idle"),
     activeTurnToken: shouldDropOptimistic