feat(memory-v2): close Phase A with auto-review, product events, and H5 recall UI.

Add candidate auto-review pipeline, shadow audit tooling, admin metrics page,
and user-visible memory recall hints in chat with phase-a readiness checks.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/hooks/useTKMindChat.ts

@@ -16,6 +16,7 @@ import {
   listSessions,
   loadSessionDetail,
   readConfig,
+  fetchMemoryRecallHint,
   rememberUserMemory,
   rememberProjectContext,
   uploadMindSpaceAsset,
@@ -40,6 +41,7 @@ import type {
   CapabilityMap,
   ChatFileAttachment,
   ChatState,
+  MemoryRecallBadge,
   Message,
   MindSpaceChatContext,
   PortalUser,
@@ -78,6 +80,7 @@ import {
   isRelayServerErrorMessage,
   pushMessage,
 } from '../utils/message';
+import { formatMemoryHintNotice, formatUserMemorySyncNotice, buildMemoryRecallBadge, resolveMessageRecallKey } from '../utils/memoryFeedback';
 import {
   appendSessionLists,
   prependUnique,
@@ -358,6 +361,7 @@ export function useTKMindChat(
   const [sessionsHasMore, setSessionsHasMore] = useState(false);
   const [sessionSearchQuery, setSessionSearchQueryState] = useState('');
   const [messages, setMessages] = useState<Message[]>([]);
+  const [memoryRecallByMessageId, setMemoryRecallByMessageId] = useState<Record<string, MemoryRecallBadge>>({});
   const [messageHistoryLoadingMore, setMessageHistoryLoadingMore] = useState(false);
   const [messageHistoryHasMore, setMessageHistoryHasMore] = useState(false);
   const [messageHistoryTotal, setMessageHistoryTotal] = useState(0);
@@ -585,21 +589,8 @@ export function useTKMindChat(
     }
   }, [canUseProjectMemory]);
 
-  const formatUserMemoryNotice = useCallback((result: {
-    analyzed: number;
-    memories: number;
-    totalMemories: number;
-    syncedToSession: boolean;
-  }) => {
-    const fragments = [];
-    if (result.memories > 0) {
-      fragments.push(`新增 ${result.memories} 条长期记忆`);
-    } else if (result.analyzed > 0) {
-      fragments.push('已分析最近对话，暂无新的长期记忆');
-    } else {
-      fragments.push('没有新的用户对话可提炼');
-    }
-    fragments.push(`当前累计 ${result.totalMemories} 条`);
+  const formatUserMemoryNotice = useCallback((result: Parameters<typeof formatUserMemorySyncNotice>[0]) => {
+    const fragments = [formatUserMemorySyncNotice(result)];
     if (result.syncedToSession) {
       fragments.push('已同步到当前会话');
     }
@@ -1022,6 +1013,30 @@ export function useTKMindChat(
           }
           void (async () => {
             await syncSessionMessages(sessionId);
+            if (canUseLongTermMemory) {
+              try {
+                const hint = await fetchMemoryRecallHint(sessionId);
+                const memoryNotice = formatMemoryHintNotice(hint);
+                if (memoryNotice) setNotice(memoryNotice);
+                const recallBadge = buildMemoryRecallBadge(hint);
+                if (recallBadge) {
+                  const currentMessages = messagesRef.current;
+                  const lastAssistantIndex = currentMessages.findLastIndex(
+                    (message) => message.role === 'assistant',
+                  );
+                  if (lastAssistantIndex >= 0) {
+                    const target = currentMessages[lastAssistantIndex];
+                    const recallKey = resolveMessageRecallKey(target, lastAssistantIndex);
+                    setMemoryRecallByMessageId((prev) => ({
+                      ...prev,
+                      [recallKey]: recallBadge,
+                    }));
+                  }
+                }
+              } catch {
+                // Memory hint is best-effort UX feedback.
+              }
+            }
             const recentContext = messagesRef.current
               .filter((message) => getDisplayText(message).trim())
               .slice(-6)
@@ -1172,6 +1187,7 @@ export function useTKMindChat(
     setMessageHistoryTotal(0);
     setMessageHistoryLoadingMore(false);
     setMessages([]);
+    setMemoryRecallByMessageId({});
     setChatState('connecting');
   }, [clearActiveRequestMissingTimer]);
 
@@ -1886,6 +1902,7 @@ export function useTKMindChat(
     setMessageHistoryTotal(0);
     setMessageHistoryLoadingMore(false);
     setMessages([]);
+    setMemoryRecallByMessageId({});
     setSession(null);
     setError(null);
     setPendingTool(null);
@@ -2042,6 +2059,7 @@ export function useTKMindChat(
     sessionsHasMore,
     sessionSearchQuery,
     messages,
+    memoryRecallByMessageId,
     messageHistoryLoadingMore,
     messageHistoryHasMore,
     messageHistoryTotal,