diff --git a/conversation-repair.mjs b/conversation-repair.mjs
index 2058f34..0f62f1f 100644
--- a/conversation-repair.mjs
+++ b/conversation-repair.mjs
@@ -47,6 +47,117 @@ export function filterUserVisibleConversation(messages) {
   return messages.filter((message) => message?.metadata?.userVisible !== false);
 }
 
+export function parseAgentRunUserMessage(row) {
+  const raw = row?.user_message_json ?? row?.userMessageJson;
+  let parsed = raw;
+  if (typeof raw === 'string') {
+    try {
+      parsed = JSON.parse(raw);
+    } catch {
+      return null;
+    }
+  }
+  if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) return null;
+  const message = {
+    ...parsed,
+    role: 'user',
+    metadata: {
+      ...(parsed.metadata && typeof parsed.metadata === 'object' ? parsed.metadata : {}),
+      userVisible: true,
+      agentVisible: true,
+      memoryInputSource: 'agent-run-original',
+    },
+  };
+  return extractConversationMessageText(message) ? message : null;
+}
+
+export function restoreConversationUserMessagesFromAgentRunRows(messages, runRows) {
+  const conversation = Array.isArray(messages) ? messages : [];
+  const originals = (Array.isArray(runRows) ? runRows : [])
+    .map((row) => parseAgentRunUserMessage(row))
+    .filter(Boolean);
+  if (originals.length === 0) return conversation;
+
+  const userIndexes = conversation
+    .map((message, index) => (message?.role === 'user' ? index : -1))
+    .filter((index) => index >= 0);
+  if (userIndexes.length === 0) return conversation;
+
+  const restored = [...conversation];
+  let userOffset = userIndexes.length - 1;
+  let originalOffset = originals.length - 1;
+  while (userOffset >= 0 && originalOffset >= 0) {
+    const messageIndex = userIndexes[userOffset];
+    const current = restored[messageIndex] ?? {};
+    const original = originals[originalOffset];
+    restored[messageIndex] = {
+      ...current,
+      role: 'user',
+      content: original.content,
+      metadata: {
+        ...(current.metadata && typeof current.metadata === 'object' ? current.metadata : {}),
+        ...(original.metadata && typeof original.metadata === 'object' ? original.metadata : {}),
+        userVisible: current?.metadata?.userVisible ?? true,
+        agentVisible: current?.metadata?.agentVisible ?? true,
+        memoryInputSource: 'agent-run-original',
+      },
+    };
+    userOffset -= 1;
+    originalOffset -= 1;
+  }
+  return restored;
+}
+
+export async function loadSuccessfulAgentRunUserMessageRows(
+  pool,
+  sessionId,
+  userId,
+  { limit = 200 } = {},
+) {
+  if (!pool || !sessionId || !userId) return [];
+  const resolvedLimit = Math.max(1, Math.min(200, Number(limit) || 200));
+  const [rows] = await pool.query(
+    `SELECT id, user_message_json, created_at
+       FROM h5_agent_runs
+      WHERE agent_session_id = ?
+        AND user_id = ?
+        AND status = 'succeeded'
+      ORDER BY created_at DESC, id DESC
+      LIMIT ?`,
+    [sessionId, userId, resolvedLimit],
+  );
+  return [...rows].reverse();
+}
+
+export async function restoreConversationUserMessagesFromAgentRuns(pool, messages, sessionId, userId) {
+  const userMessageCount = Array.isArray(messages)
+    ? messages.filter((message) => message?.role === 'user').length
+    : 0;
+  if (userMessageCount === 0) return Array.isArray(messages) ? messages : [];
+  const rows = await loadSuccessfulAgentRunUserMessageRows(pool, sessionId, userId, {
+    limit: userMessageCount,
+  });
+  return restoreConversationUserMessagesFromAgentRunRows(messages, rows);
+}
+
+export async function restoreConversationUserMessagesFromAgentRunsFailOpen(
+  pool,
+  messages,
+  sessionId,
+  userId,
+  { logger = console } = {},
+) {
+  try {
+    return await restoreConversationUserMessagesFromAgentRuns(pool, messages, sessionId, userId);
+  } catch (err) {
+    logger?.warn?.(
+      '[memory-v2] original agent-run transcript unavailable; using visible session transcript:',
+      err instanceof Error ? err.message : err,
+    );
+    return Array.isArray(messages) ? messages : [];
+  }
+}
+
 export function countNonEmptyConversationMessages(messages) {
   if (!Array.isArray(messages)) return 0;
   return messages.filter((message) => {
diff --git a/conversation-repair.test.mjs b/conversation-repair.test.mjs
index 7d18d19..a4b1070 100644
--- a/conversation-repair.test.mjs
+++ b/conversation-repair.test.mjs
@@ -5,8 +5,12 @@ import {
   buildConversationFromDbRows,
   countNonEmptyConversationMessages,
   filterUserVisibleConversation,
+  parseAgentRunUserMessage,
   parseStoredConversationRow,
   repairConversationFromDbRows,
+  restoreConversationUserMessagesFromAgentRunRows,
+  restoreConversationUserMessagesFromAgentRuns,
+  restoreConversationUserMessagesFromAgentRunsFailOpen,
   shouldRepairConversationFromDb,
 } from './conversation-repair.mjs';
 
@@ -97,3 +101,78 @@ test('filterUserVisibleConversation keeps messages without explicit userVisible
   assert.equal(visible[0].role, 'user');
   assert.equal(visible[1].role, 'assistant');
 });
+
+test('parseAgentRunUserMessage keeps the original user text for memory extraction', () => {
+  const parsed = parseAgentRunUserMessage({
+    user_message_json: JSON.stringify({
+      role: 'user',
+      content: [{ type: 'text', text: '请记住灰度代号 MEM-NEW' }],
+      metadata: { userVisible: true },
+    }),
+  });
+  assert.equal(parsed.content[0].text, '请记住灰度代号 MEM-NEW');
+  assert.equal(parsed.metadata.memoryInputSource, 'agent-run-original');
+});
+
+test('restoreConversationUserMessagesFromAgentRunRows removes injected memory context', () => {
+  const messages = [
+    {
+      id: 'upstream-user-1',
+      role: 'user',
+      content: [{ type: 'text', text: '【Memind 任务编排】\n[Memory Context]\n- 旧记忆\n用户任务：\n请记住灰度代号 MEM-NEW' }],
+      metadata: { userVisible: true, agentVisible: true },
+    },
+    gooseMsg('assistant-1', 'assistant', '已记住'),
+  ];
+  const restored = restoreConversationUserMessagesFromAgentRunRows(messages, [{
+    user_message_json: JSON.stringify({
+      role: 'user',
+      content: [{ type: 'text', text: '请记住灰度代号 MEM-NEW' }],
+      metadata: { userVisible: true, agentVisible: true },
+    }),
+  }]);
+  assert.equal(restored[0].id, 'upstream-user-1');
+  assert.equal(restored[0].content[0].text, '请记住灰度代号 MEM-NEW');
+  assert.doesNotMatch(restored[0].content[0].text, /旧记忆|Memory Context/);
+  assert.equal(restored[1].content[0].text, '已记住');
+});
+
+test('restoreConversationUserMessagesFromAgentRuns scopes successful runs by session and user', async () => {
+  const calls = [];
+  const pool = {
+    async query(sql, params) {
+      calls.push({ sql, params });
+      return [[{
+        user_message_json: JSON.stringify({
+          role: 'user',
+          content: [{ type: 'text', text: '原始用户消息' }],
+        }),
+      }]];
+    },
+  };
+  const restored = await restoreConversationUserMessagesFromAgentRuns(
+    pool,
+    [gooseMsg('user-1', 'user', '编排后的消息')],
+    'session-1',
+    'user-1',
+  );
+  assert.match(calls[0].sql, /status = 'succeeded'/);
+  assert.match(calls[0].sql, /ORDER BY created_at DESC/);
+  assert.match(calls[0].sql, /LIMIT \?/);
+  assert.deepEqual(calls[0].params, ['session-1', 'user-1', 1]);
+  assert.equal(restored[0].content[0].text, '原始用户消息');
+});
+
+test('restoreConversationUserMessagesFromAgentRunsFailOpen preserves the visible transcript', async () => {
+  const warnings = [];
+  const messages = [gooseMsg('user-1', 'user', '可见会话原文')];
+  const restored = await restoreConversationUserMessagesFromAgentRunsFailOpen(
+    { async query() { throw new Error('agent run query unavailable'); } },
+    messages,
+    'session-1',
+    'user-1',
+    { logger: { warn: (...items) => warnings.push(items.join(' ')) } },
+  );
+  assert.equal(restored, messages);
+  assert.match(warnings[0], /agent run query unavailable/);
+});
diff --git a/docs/regression-guards/memory-v2-candidate-and-lifecycle.md b/docs/regression-guards/memory-v2-candidate-and-lifecycle.md
index 3feba84..db7a5c6 100644
--- a/docs/regression-guards/memory-v2-candidate-and-lifecycle.md
+++ b/docs/regression-guards/memory-v2-candidate-and-lifecycle.md
@@ -13,6 +13,10 @@
 `updated_at=0` 游标开始做有限批次 backfill，新写入行可能长期排在批次之外。结果是
 `agent_memory_resolved` 显示已注入，但回答只拿到旧的无关记忆。
 
+首次修复同步后，灰度又发现 `remember-recent` 读取的是 Agent 编排后的会话文本，其中
+包含已注入的 `[Memory Context]`。提取器因此可能把旧记忆再次沉淀，而忽略用户本轮明确
+要求保存的内容，形成旧记忆自我复制。
+
 ## 必须保留的行为
 
 1. `MEMORY_CANDIDATE_PERSISTENCE_ENABLED=1` 且 MySQL 可用时，Portal 必须先执行
@@ -28,11 +32,14 @@
 6. 用户记忆 `write/compact` 成功后，必须在返回前按 `userId + sessionId` 将本次活跃记忆
    幂等 upsert 到 pgvector；候选晋升成功后也必须按实际晋升用户同步。不得依赖从零开始
    的全局有限批次 backfill 来保证新记忆可立即召回。
+7. 显式记忆提取必须优先使用同一用户、同一会话中已成功 `h5_agent_runs.user_message_json`
+   保存的原始用户消息。不得把 Agent 编排提示或 `[Memory Context]` 当作用户的新记忆；
+   原始消息查询失败时必须 fail-open 到现有可见会话，不能阻塞保存接口。
 
 ## 回归检查
 
 ```bash
-node --test memory-v2-personal-store.test.mjs memory-v2-lifecycle.test.mjs \
+node --test conversation-repair.test.mjs memory-v2-personal-store.test.mjs memory-v2-lifecycle.test.mjs \
   memory-v2-pgvector-backfill.test.mjs memory-v2-runtime.test.mjs
 npm test
 ```
diff --git a/server.mjs b/server.mjs
index 09001d9..fc151f5 100644
--- a/server.mjs
+++ b/server.mjs
@@ -199,7 +199,11 @@ import { createFeedbackService } from './user-feedback.mjs';
 import { startScheduleReminderWorker } from './schedule-reminder-worker.mjs';
 import { createLlmProviderService, RELAY_BOOTSTRAP } from './llm-providers.mjs';
 import { createDirectChatService, isDirectChatSessionId, isPortalDirectChatSnapshot, sendDirectChatSessionEvents, shouldExpirePortalDirectChatSnapshot } from './direct-chat-service.mjs';
-import { filterUserVisibleConversation, repairSessionConversationFromDb } from './conversation-repair.mjs';
+import {
+  filterUserVisibleConversation,
+  repairSessionConversationFromDb,
+  restoreConversationUserMessagesFromAgentRunsFailOpen,
+} from './conversation-repair.mjs';
 import { filterNonemptyUserVisibleMessages } from './conversation-transcript-persist.mjs';
 import { createSessionStreamStore } from './session-stream-store.mjs';
 import { isSessionStreamReplayEnabled } from './session-stream.mjs';
@@ -2275,7 +2279,14 @@ async function loadUserVisibleConversation(sessionId, userId) {
   if (authPool && userId) {
     session = await repairSessionConversationFromDb(authPool, session, sessionId, userId);
   }
-  return filterUserVisibleConversation(session?.conversation ?? []);
+  const visible = filterUserVisibleConversation(session?.conversation ?? []);
+  if (!authPool || !userId) return visible;
+  return restoreConversationUserMessagesFromAgentRunsFailOpen(
+    authPool,
+    visible,
+    sessionId,
+    userId,
+  );
 }
 
 async function syncUserMemoriesIntoSession(userId, sessionId) {