diff --git a/src-tauri/src/acp/connection.rs b/src-tauri/src/acp/connection.rs
index 7a947c1..e3243a8 100644
--- a/src-tauri/src/acp/connection.rs
+++ b/src-tauri/src/acp/connection.rs
@@ -1343,6 +1343,7 @@ async fn run_conversation_loop<'a>(
                                         "acp://event",
                                         AcpEvent::TurnComplete {
                                             connection_id: conn_id.into(),
+                                            session_id: sid.0.to_string(),
                                             stop_reason: reason_str.into(),
                                         },
                                     );
@@ -1372,6 +1373,7 @@ async fn run_conversation_loop<'a>(
                                 "acp://event",
                                 AcpEvent::TurnComplete {
                                     connection_id: conn_id.into(),
+                                    session_id: sid.0.to_string(),
                                     stop_reason: reason_str.into(),
                                 },
                             );
diff --git a/src-tauri/src/acp/types.rs b/src-tauri/src/acp/types.rs
index c791ed8..6a49295 100644
--- a/src-tauri/src/acp/types.rs
+++ b/src-tauri/src/acp/types.rs
@@ -80,6 +80,7 @@ pub enum AcpEvent {
     /// Turn completed
     TurnComplete {
         connection_id: String,
+        session_id: String,
         stop_reason: String,
     },
     /// Session established with agent-assigned session ID
diff --git a/src/components/conversations/conversation-detail-panel.tsx b/src/components/conversations/conversation-detail-panel.tsx
index 68ebafb..79ff681 100644
--- a/src/components/conversations/conversation-detail-panel.tsx
+++ b/src/components/conversations/conversation-detail-panel.tsx
@@ -4,6 +4,7 @@ import { memo, useCallback, useEffect, useMemo, useRef, useState } from "react"
 import { Plus, RefreshCw, X } from "lucide-react"
 import { useTranslations } from "next-intl"
 import { toast } from "sonner"
+import { disposeTauriListener } from "@/lib/tauri-listener"
 import { useFolderContext } from "@/contexts/folder-context"
 import { useTabContext } from "@/contexts/tab-context"
 import { useConnectionLifecycle } from "@/hooks/use-connection-lifecycle"
@@ -11,8 +12,11 @@ import { MessageListView } from "@/components/message/message-list-view"
 import { ConversationShell } from "@/components/chat/conversation-shell"
 import { WelcomeInputPanel } from "@/components/chat/welcome-input-panel"
 import { updateConversationStatus } from "@/lib/tauri"
-import { useDbMessageDetail } from "@/hooks/use-db-message-detail"
-import type { AgentType, PromptDraft } from "@/lib/types"
+import {
+  useDbMessageDetail,
+  warmupDetailCache,
+} from "@/hooks/use-db-message-detail"
+import type { AcpEvent, AgentType, PromptDraft } from "@/lib/types"
 import type { AdaptedMessage } from "@/lib/adapters/ai-elements-adapter"
 import {
   buildUserMessageTextPartsFromDraft,
@@ -246,10 +250,129 @@ const ExistingConversationView = memo(function ExistingConversationView({
 
 export function ConversationDetailPanel() {
   const t = useTranslations("Folder.conversation")
-  const { folder, newConversation } = useFolderContext()
+  const { folder, newConversation, conversations, refreshConversations } =
+    useFolderContext()
   const { tabs, activeTabId, openNewConversationTab, closeTab } =
     useTabContext()
   const [reloadByTabId, setReloadByTabId] = useState<Record<string, number>>({})
+  const tabsRef = useRef(tabs)
+  const conversationsRef = useRef(conversations)
+  const pendingClosedConversationIdsRef = useRef<Set<number>>(new Set())
+  const pendingRefreshTimerRef = useRef<ReturnType<typeof setTimeout> | null>(
+    null
+  )
+
+  useEffect(() => {
+    tabsRef.current = tabs
+  }, [tabs])
+
+  useEffect(() => {
+    conversationsRef.current = conversations
+  }, [conversations])
+
+  const flushClosedConversationRefresh = useCallback(() => {
+    const conversationIds = Array.from(pendingClosedConversationIdsRef.current)
+    if (conversationIds.length === 0) return
+    pendingClosedConversationIdsRef.current.clear()
+
+    void (async () => {
+      await Promise.all(
+        conversationIds.map(async (conversationId) => {
+          const summary =
+            conversationsRef.current.find(
+              (item) => item.id === conversationId
+            ) ?? null
+          if (summary?.status === "in_progress") {
+            try {
+              await updateConversationStatus(conversationId, "pending_review")
+            } catch (error) {
+              console.error(
+                "[ConversationDetailPanel] background update status failed:",
+                error
+              )
+            }
+          }
+
+          try {
+            await warmupDetailCache(conversationId)
+          } catch (error) {
+            console.error(
+              "[ConversationDetailPanel] background detail cache refresh failed:",
+              error
+            )
+          }
+        })
+      )
+
+      refreshConversations()
+    })()
+  }, [refreshConversations])
+
+  const scheduleClosedConversationRefresh = useCallback(
+    (conversationId: number) => {
+      pendingClosedConversationIdsRef.current.add(conversationId)
+      if (pendingRefreshTimerRef.current) return
+
+      // Delay briefly so local session file writes can settle.
+      pendingRefreshTimerRef.current = setTimeout(() => {
+        pendingRefreshTimerRef.current = null
+        flushClosedConversationRefresh()
+      }, 1200)
+    },
+    [flushClosedConversationRefresh]
+  )
+
+  useEffect(() => {
+    let cancelled = false
+    let unlisten: (() => void | Promise<void>) | null = null
+    const pendingClosedConversationIds = pendingClosedConversationIdsRef.current
+
+    void import("@tauri-apps/api/event")
+      .then(({ listen }) =>
+        listen<AcpEvent>("acp://event", (event) => {
+          const payload = event.payload
+          if (payload.type !== "turn_complete") return
+
+          const summary = conversationsRef.current.find(
+            (item) => item.external_id === payload.session_id
+          )
+          if (!summary) return
+
+          const isOpenInTabs = tabsRef.current.some(
+            (tab) => tab.conversationId === summary.id
+          )
+          if (isOpenInTabs) return
+
+          scheduleClosedConversationRefresh(summary.id)
+        })
+      )
+      .then((dispose) => {
+        if (cancelled) {
+          disposeTauriListener(
+            dispose,
+            "ConversationDetailPanel.backgroundRefresh"
+          )
+          return
+        }
+        unlisten = dispose
+      })
+      .catch(() => {
+        // Ignore when non-tauri runtime.
+      })
+
+    return () => {
+      cancelled = true
+      if (pendingRefreshTimerRef.current) {
+        clearTimeout(pendingRefreshTimerRef.current)
+        pendingRefreshTimerRef.current = null
+      }
+      pendingClosedConversationIds.clear()
+      disposeTauriListener(
+        unlisten,
+        "ConversationDetailPanel.backgroundRefresh"
+      )
+    }
+  }, [scheduleClosedConversationRefresh])
 
   const conversationTabs = useMemo(
     () =>
diff --git a/src/hooks/use-db-message-detail.ts b/src/hooks/use-db-message-detail.ts
index 71a2ba2..440aa33 100644
--- a/src/hooks/use-db-message-detail.ts
+++ b/src/hooks/use-db-message-detail.ts
@@ -6,6 +6,7 @@ import type { DbConversationDetail } from "@/lib/types"
 
 // Module-level cache: survives component unmount/remount
 const detailCache = new Map<number, DbConversationDetail>()
+const detailInFlight = new Map<number, Promise<DbConversationDetail>>()
 const detailListeners = new Map<
   number,
   Set<(detail: DbConversationDetail) => void>
@@ -50,6 +51,38 @@ export function invalidateDetailCache(conversationId: number) {
   detailCache.delete(conversationId)
 }
 
+async function loadAndCacheDetail(
+  conversationId: number
+): Promise<DbConversationDetail> {
+  const existing = detailInFlight.get(conversationId)
+  if (existing) return existing
+
+  const promise = getFolderConversation(conversationId)
+    .then((detail) => {
+      setCachedDetail(conversationId, detail)
+      return detail
+    })
+    .finally(() => {
+      detailInFlight.delete(conversationId)
+    })
+
+  detailInFlight.set(conversationId, promise)
+  return promise
+}
+
+export async function warmupDetailCache(
+  conversationId: number
+): Promise<DbConversationDetail> {
+  return loadAndCacheDetail(conversationId)
+}
+
+export async function refreshDetailCache(
+  conversationId: number
+): Promise<DbConversationDetail> {
+  detailCache.delete(conversationId)
+  return loadAndCacheDetail(conversationId)
+}
+
 interface State {
   key: number
   detail: DbConversationDetail | null
@@ -109,9 +142,8 @@ export function useDbMessageDetail(conversationId: number) {
     if (detailCache.has(conversationId)) return
 
     let cancelled = false
-    getFolderConversation(conversationId)
+    loadAndCacheDetail(conversationId)
       .then((d) => {
-        setCachedDetail(conversationId, d)
         if (!cancelled) {
           setState((prev) =>
             prev.key === conversationId
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 15e4d7e..362638e 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -440,7 +440,12 @@ export type AcpEvent =
       tool_call: unknown
       options: PermissionOptionInfo[]
     }
-  | { type: "turn_complete"; connection_id: string; stop_reason: string }
+  | {
+      type: "turn_complete"
+      connection_id: string
+      session_id: string
+      stop_reason: string
+    }
   | {
       type: "session_started"
       connection_id: string