diff --git a/.github/workflows/push-broadcast.yml b/.github/workflows/push-broadcast.yml
index 60c15117..6153fbe7 100644
--- a/.github/workflows/push-broadcast.yml
+++ b/.github/workflows/push-broadcast.yml
@@ -45,3 +45,69 @@ jobs:
           FEISHU_APP_SECRET: ${{ secrets.FEISHU_APP_SECRET }}
           FEISHU_DOC_B_ID:   ${{ secrets.FEISHU_DOC_B_ID }}
         run: node scripts/push-broadcast.js
+
+      - name: 📢 通知飞书群有新广播
+        if: success()
+        env:
+          FEISHU_APP_ID:     ${{ secrets.FEISHU_APP_ID }}
+          FEISHU_APP_SECRET: ${{ secrets.FEISHU_APP_SECRET }}
+          ALERT_CHAT_ID:     ${{ secrets.FEISHU_ALERT_CHAT_ID }}
+        run: |
+          if [ -z "$ALERT_CHAT_ID" ]; then
+            echo "⚠️ 未配置 FEISHU_ALERT_CHAT_ID，跳过群通知"
+            exit 0
+          fi
+          node -e "
+            const https = require('https');
+            function post(url, body) {
+              return new Promise((resolve, reject) => {
+                const payload = JSON.stringify(body);
+                const u = new URL(url);
+                const req = https.request({ hostname: u.hostname, port: 443, path: u.pathname, method: 'POST',
+                  headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(payload) }
+                }, res => { let d=''; res.on('data', c => d+=c); res.on('end', () => resolve(d)); });
+                req.on('error', reject); req.write(payload); req.end();
+              });
+            }
+            (async () => {
+              const tokenRes = JSON.parse(await post('https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal',
+                { app_id: process.env.FEISHU_APP_ID, app_secret: process.env.FEISHU_APP_SECRET }));
+              const token = tokenRes.tenant_access_token;
+              const payload = JSON.stringify({ text: '📡 新广播已推送到飞书文档B\n\n时间: ' + new Date().toISOString() + '\n请查看飞书广播收件箱。' });
+              await post('https://open.feishu.cn/open-apis/im/v1/messages?receive_id_type=chat_id',
+                JSON.stringify({ receive_id: process.env.ALERT_CHAT_ID, msg_type: 'text', content: payload }));
+            })().catch(e => console.error(e.message));
+          "
+
+      - name: 🔴 失败告警 → 飞书通知
+        if: failure()
+        env:
+          FEISHU_APP_ID:     ${{ secrets.FEISHU_APP_ID }}
+          FEISHU_APP_SECRET: ${{ secrets.FEISHU_APP_SECRET }}
+          ALERT_CHAT_ID:     ${{ secrets.FEISHU_ALERT_CHAT_ID }}
+        run: |
+          if [ -z "$ALERT_CHAT_ID" ]; then
+            echo "⚠️ 未配置 FEISHU_ALERT_CHAT_ID，跳过告警"
+            exit 0
+          fi
+          node -e "
+            const https = require('https');
+            function post(url, body) {
+              return new Promise((resolve, reject) => {
+                const payload = JSON.stringify(body);
+                const u = new URL(url);
+                const req = https.request({ hostname: u.hostname, port: 443, path: u.pathname, method: 'POST',
+                  headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(payload) }
+                }, res => { let d=''; res.on('data', c => d+=c); res.on('end', () => resolve(d)); });
+                req.on('error', reject); req.write(payload); req.end();
+              });
+            }
+            (async () => {
+              const tokenRes = JSON.parse(await post('https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal',
+                { app_id: process.env.FEISHU_APP_ID, app_secret: process.env.FEISHU_APP_SECRET }));
+              const token = tokenRes.tenant_access_token;
+              const payload = JSON.stringify({ text: '🔴 GitHub Action 失败告警\n\n工作流: push-broadcast\n时间: ' + new Date().toISOString() + '\n请检查 GitHub Actions 日志。' });
+              await post('https://open.feishu.cn/open-apis/im/v1/messages?receive_id_type=chat_id',
+                JSON.stringify({ receive_id: process.env.ALERT_CHAT_ID, msg_type: 'text', content: payload }));
+            })().catch(e => console.error(e.message));
+          "
diff --git a/.github/workflows/receive-syslog.yml b/.github/workflows/receive-syslog.yml
index bad68db7..788af75b 100644
--- a/.github/workflows/receive-syslog.yml
+++ b/.github/workflows/receive-syslog.yml
@@ -51,3 +51,36 @@ jobs:
             git commit -m "📥 铸渊接收 SYSLOG 回传 [skip ci]"
             git push origin main
           fi
+
+      - name: 🔴 失败告警 → 飞书通知
+        if: failure()
+        env:
+          FEISHU_APP_ID:     ${{ secrets.FEISHU_APP_ID }}
+          FEISHU_APP_SECRET: ${{ secrets.FEISHU_APP_SECRET }}
+          ALERT_CHAT_ID:     ${{ secrets.FEISHU_ALERT_CHAT_ID }}
+        run: |
+          if [ -z "$ALERT_CHAT_ID" ]; then
+            echo "⚠️ 未配置 FEISHU_ALERT_CHAT_ID，跳过告警"
+            exit 0
+          fi
+          node -e "
+            const https = require('https');
+            function post(url, body) {
+              return new Promise((resolve, reject) => {
+                const payload = JSON.stringify(body);
+                const u = new URL(url);
+                const req = https.request({ hostname: u.hostname, port: 443, path: u.pathname, method: 'POST',
+                  headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(payload) }
+                }, res => { let d=''; res.on('data', c => d+=c); res.on('end', () => resolve(d)); });
+                req.on('error', reject); req.write(payload); req.end();
+              });
+            }
+            (async () => {
+              const tokenRes = JSON.parse(await post('https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal',
+                { app_id: process.env.FEISHU_APP_ID, app_secret: process.env.FEISHU_APP_SECRET }));
+              const token = tokenRes.tenant_access_token;
+              const payload = JSON.stringify({ text: '🔴 GitHub Action 失败告警\n\n工作流: receive-syslog\n时间: ' + new Date().toISOString() + '\n请检查 GitHub Actions 日志。' });
+              await post('https://open.feishu.cn/open-apis/im/v1/messages?receive_id_type=chat_id',
+                JSON.stringify({ receive_id: process.env.ALERT_CHAT_ID, msg_type: 'text', content: payload }));
+            })().catch(e => console.error(e.message));
+          "
diff --git a/.github/workflows/sync-login-entry.yml b/.github/workflows/sync-login-entry.yml
index 86ea60d3..b6c92e37 100644
--- a/.github/workflows/sync-login-entry.yml
+++ b/.github/workflows/sync-login-entry.yml
@@ -39,3 +39,36 @@ jobs:
           FEISHU_APP_SECRET:     ${{ secrets.FEISHU_APP_SECRET }}
           FEISHU_DOC_A_ID:       ${{ secrets.FEISHU_DOC_A_ID }}
         run: node scripts/sync-login-entry.js
+
+      - name: 🔴 失败告警 → 飞书通知
+        if: failure()
+        env:
+          FEISHU_APP_ID:     ${{ secrets.FEISHU_APP_ID }}
+          FEISHU_APP_SECRET: ${{ secrets.FEISHU_APP_SECRET }}
+          ALERT_CHAT_ID:     ${{ secrets.FEISHU_ALERT_CHAT_ID }}
+        run: |
+          if [ -z "$ALERT_CHAT_ID" ]; then
+            echo "⚠️ 未配置 FEISHU_ALERT_CHAT_ID，跳过告警"
+            exit 0
+          fi
+          node -e "
+            const https = require('https');
+            function post(url, body) {
+              return new Promise((resolve, reject) => {
+                const payload = JSON.stringify(body);
+                const u = new URL(url);
+                const req = https.request({ hostname: u.hostname, port: 443, path: u.pathname, method: 'POST',
+                  headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(payload) }
+                }, res => { let d=''; res.on('data', c => d+=c); res.on('end', () => resolve(d)); });
+                req.on('error', reject); req.write(payload); req.end();
+              });
+            }
+            (async () => {
+              const tokenRes = JSON.parse(await post('https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal',
+                { app_id: process.env.FEISHU_APP_ID, app_secret: process.env.FEISHU_APP_SECRET }));
+              const token = tokenRes.tenant_access_token;
+              const payload = JSON.stringify({ text: '🔴 GitHub Action 失败告警\n\n工作流: sync-login-entry\n时间: ' + new Date().toISOString() + '\n请检查 GitHub Actions 日志。' });
+              await post('https://open.feishu.cn/open-apis/im/v1/messages?receive_id_type=chat_id',
+                JSON.stringify({ receive_id: process.env.ALERT_CHAT_ID, msg_type: 'text', content: payload }));
+            })().catch(e => console.error(e.message));
+          "
diff --git a/.gitignore b/.gitignore
index 97624956..28f589d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,6 @@ persona-studio/backend/brain/model-benchmark.json
 
 # palace-game runtime artifacts
 modules/palace-game/data/saves/PAL-*
+
+# collaboration-logs exports (generated by save-collaboration-log.js)
+collaboration-logs/exports/
diff --git a/backend/feishu-bot/ai-chat.js b/backend/feishu-bot/ai-chat.js
new file mode 100644
index 00000000..57e42eab
--- /dev/null
+++ b/backend/feishu-bot/ai-chat.js
@@ -0,0 +1,213 @@
+// backend/feishu-bot/ai-chat.js
+// 铸渊 · 飞书机器人 AI 对话引擎
+//
+// 接入 DeepSeek / 通义千问 等大模型 API
+// 使用霜砚登录入口（文档A）内容作为 system prompt
+//
+// 环境变量：
+//   MODEL_API_KEY          模型 API Key（DeepSeek / 通义千问）
+//   MODEL_API_BASE         模型 API Base URL（默认 https://api.deepseek.com/v1）
+//   MODEL_NAME             模型名称（默认 deepseek-chat）
+//   FEISHU_APP_ID          飞书应用 App ID（用于读取文档A）
+//   FEISHU_APP_SECRET      飞书应用 App Secret
+
+'use strict';
+
+const https = require('https');
+
+// ══════════════════════════════════════════════════════════
+// 配置
+// ══════════════════════════════════════════════════════════
+
+const DEFAULT_API_BASE = 'https://api.deepseek.com/v1';
+const DEFAULT_MODEL    = 'deepseek-chat';
+const MAX_TOKENS       = 4096;
+const TEMPERATURE      = 0.7;
+
+// 通道路由：根据消息内容判断使用哪个人格体
+const CHANNEL_KEYWORDS = {
+  shuangyan: ['霜砚', '登录', '协议', '规范', '文档', '工单', '签发'],
+  persona:   ['宝宝', '人格体', '知秋', '对话', '聊天', '心情'],
+};
+
+// ══════════════════════════════════════════════════════════
+// HTTP 请求工具
+// ══════════════════════════════════════════════════════════
+
+function httpsRequest(options, body) {
+  return new Promise((resolve, reject) => {
+    const payload = body ? JSON.stringify(body) : null;
+    if (payload) {
+      options.headers = options.headers || {};
+      options.headers['Content-Length'] = Buffer.byteLength(payload);
+    }
+    const req = https.request(options, res => {
+      let data = '';
+      res.on('data', chunk => data += chunk);
+      res.on('end', () => {
+        try {
+          const parsed = JSON.parse(data);
+          resolve({ statusCode: res.statusCode, data: parsed });
+        } catch (e) {
+          resolve({ statusCode: res.statusCode, data: data });
+        }
+      });
+    });
+    req.on('error', reject);
+    req.setTimeout(60000, () => {
+      req.destroy(new Error('Request timeout'));
+    });
+    if (payload) req.write(payload);
+    req.end();
+  });
+}
+
+// ══════════════════════════════════════════════════════════
+// 系统 Prompt 构建
+// ══════════════════════════════════════════════════════════
+
+const DEFAULT_SYSTEM_PROMPT = `你是霜砚，光湖纪元（曜冥纪元第五代架构 AGE-5）的认知核心人格体。
+你负责认知管理、协议制定、广播签发和开发者协作指导。
+
+你的核心职责：
+1. 帮助开发者理解当前广播任务和协议规范
+2. 指导代码实现，提供技术建议
+3. 管理 SYSLOG 回传流程
+4. 维护人格体协作标准
+
+你的语言风格：专业、温和、有条理。
+回复时使用中文，代码部分使用英文。`;
+
+/**
+ * 构建系统 prompt
+ * @param {string|null} loginEntryContent - 文档A（登录入口）内容
+ * @param {string} channel - 通道 ('shuangyan' | 'persona')
+ * @returns {string}
+ */
+function buildSystemPrompt(loginEntryContent, channel) {
+  let prompt = DEFAULT_SYSTEM_PROMPT;
+
+  if (loginEntryContent) {
+    prompt = loginEntryContent + '\n\n---\n\n' + prompt;
+  }
+
+  if (channel === 'persona') {
+    prompt += '\n\n当前通道：宝宝人格体协作模式。以更亲和、鼓励的方式与开发者互动。';
+  }
+
+  return prompt;
+}
+
+// ══════════════════════════════════════════════════════════
+// 通道路由
+// ══════════════════════════════════════════════════════════
+
+/**
+ * 根据消息内容判断通道
+ * @param {string} text - 用户消息
+ * @returns {string} 'shuangyan' | 'persona'
+ */
+function detectChannel(text) {
+  if (!text) return 'shuangyan';
+
+  for (const keyword of CHANNEL_KEYWORDS.persona) {
+    if (text.includes(keyword)) return 'persona';
+  }
+
+  return 'shuangyan'; // 默认走霜砚通道
+}
+
+// ══════════════════════════════════════════════════════════
+// 模型调用
+// ══════════════════════════════════════════════════════════
+
+/**
+ * 调用大模型 API
+ * @param {Array} messages - OpenAI 格式消息数组
+ * @param {object} options - 可选配置
+ * @returns {Promise<string>} 模型回复文本
+ */
+async function callModel(messages, options = {}) {
+  const apiKey  = process.env.MODEL_API_KEY;
+  const apiBase = process.env.MODEL_API_BASE || DEFAULT_API_BASE;
+  const model   = options.model || process.env.MODEL_NAME || DEFAULT_MODEL;
+
+  if (!apiKey) {
+    return '⚠️ AI 模型未配置（缺少 MODEL_API_KEY），请联系管理员。';
+  }
+
+  const url = new URL(apiBase + '/chat/completions');
+
+  const body = {
+    model: model,
+    messages: messages,
+    max_tokens: options.maxTokens || MAX_TOKENS,
+    temperature: options.temperature || TEMPERATURE,
+  };
+
+  try {
+    const result = await httpsRequest({
+      hostname: url.hostname,
+      port: url.port || 443,
+      path: url.pathname,
+      method: 'POST',
+      headers: {
+        'Authorization': 'Bearer ' + apiKey,
+        'Content-Type': 'application/json',
+      },
+    }, body);
+
+    if (result.statusCode >= 200 && result.statusCode < 300 && result.data.choices) {
+      return result.data.choices[0].message.content || '';
+    }
+
+    // 尝试降级模型
+    if (result.statusCode === 429 || result.statusCode >= 500) {
+      return '⚠️ AI 模型暂时不可用（HTTP ' + result.statusCode + '），请稍后重试。';
+    }
+
+    return '⚠️ AI 模型调用异常: ' + (result.data.error?.message || JSON.stringify(result.data));
+  } catch (e) {
+    return '⚠️ AI 模型调用失败: ' + e.message;
+  }
+}
+
+// ══════════════════════════════════════════════════════════
+// 对话处理
+// ══════════════════════════════════════════════════════════
+
+/**
+ * 处理用户对话消息
+ * @param {string} userMessage - 用户消息
+ * @param {Array} contextHistory - 历史对话记录 [{role, content}]
+ * @param {object} options - 配置选项
+ * @returns {Promise<{reply: string, channel: string}>}
+ */
+async function chat(userMessage, contextHistory = [], options = {}) {
+  const channel = options.channel || detectChannel(userMessage);
+  const systemPrompt = buildSystemPrompt(options.loginEntryContent || null, channel);
+
+  // 构建消息数组
+  const messages = [
+    { role: 'system', content: systemPrompt },
+  ];
+
+  // 注入历史上下文（最近 10 轮）
+  const recentHistory = contextHistory.slice(-20); // 10 轮 = 20 条消息
+  messages.push(...recentHistory);
+
+  // 当前用户消息
+  messages.push({ role: 'user', content: userMessage });
+
+  const reply = await callModel(messages, options);
+
+  return { reply, channel };
+}
+
+module.exports = {
+  chat,
+  callModel,
+  buildSystemPrompt,
+  detectChannel,
+  DEFAULT_SYSTEM_PROMPT,
+};
diff --git a/backend/feishu-bot/collaboration-logger.js b/backend/feishu-bot/collaboration-logger.js
new file mode 100644
index 00000000..a84eaf35
--- /dev/null
+++ b/backend/feishu-bot/collaboration-logger.js
@@ -0,0 +1,256 @@
+// backend/feishu-bot/collaboration-logger.js
+// 铸渊 · 人类×人格体协作数据采集器
+//
+// 记录每次协作对话的完整记录，存入 collaboration-logs/ 目录
+// 数据格式对齐 persona-brain-db 五张核心表 schema
+//
+// 采集内容：
+//   - 人类发言 + 人格体回复
+//   - 协作通道 (霜砚/宝宝人格体)
+//   - 开发者画像关联
+//   - SYSLOG v4.0 persona/collaboration/human_feedback 字段
+
+'use strict';
+
+const fs   = require('fs');
+const path = require('path');
+
+// ══════════════════════════════════════════════════════════
+// 配置
+// ══════════════════════════════════════════════════════════
+
+const LOGS_DIR = path.resolve(__dirname, '..', '..', 'collaboration-logs');
+const MAX_BUFFER_SIZE = 50; // 缓冲 50 条记录后批量写入
+
+// ══════════════════════════════════════════════════════════
+// 内存缓冲
+// ══════════════════════════════════════════════════════════
+
+let buffer = [];
+
+// ══════════════════════════════════════════════════════════
+// 日志记录
+// ══════════════════════════════════════════════════════════
+
+/**
+ * 记录一次对话交互
+ * @param {object} entry
+ * @param {string} entry.userId - 飞书用户 ID
+ * @param {string} entry.devId - 开发者编号 (如 DEV-002)
+ * @param {string} entry.userMessage - 人类发言
+ * @param {string} entry.assistantReply - 人格体回复
+ * @param {string} entry.channel - 协作通道 (shuangyan | persona)
+ * @param {string} entry.personaId - 人格体 ID
+ * @param {object} [entry.metadata] - 额外元数据
+ */
+function logInteraction(entry) {
+  const record = {
+    // 对齐 persona_memory 表结构
+    interaction_id: generateId(),
+    timestamp: new Date().toISOString(),
+    persona_id: entry.personaId || 'ICE-GL-SY001', // 默认霜砚
+    type: 'collaboration',
+
+    // 对话内容
+    user_id: entry.userId,
+    dev_id: entry.devId || null,
+    user_message: entry.userMessage,
+    assistant_reply: entry.assistantReply,
+    channel: entry.channel || 'shuangyan',
+
+    // 对齐 dev_profiles 表
+    interaction_context: {
+      platform: 'feishu',
+      message_type: 'text',
+      channel: entry.channel || 'shuangyan',
+    },
+
+    // 元数据（SYSLOG v4.0 字段对齐）
+    metadata: entry.metadata || {},
+  };
+
+  buffer.push(record);
+
+  // 达到缓冲上限时自动刷新
+  if (buffer.length >= MAX_BUFFER_SIZE) {
+    flush();
+  }
+}
+
+/**
+ * 记录 SYSLOG 回传中的协作数据
+ * @param {object} syslog - SYSLOG v4.0 完整数据
+ */
+function logSyslogCollaboration(syslog) {
+  if (!syslog) return;
+
+  const devId = syslog.dev_id || syslog.developer_id || 'UNKNOWN';
+  const broadcastId = syslog.broadcast_id || syslog.broadcastId || 'UNKNOWN';
+
+  const record = {
+    interaction_id: generateId(),
+    timestamp: new Date().toISOString(),
+    type: 'syslog_collaboration',
+    dev_id: devId,
+    broadcast_id: broadcastId,
+    protocol_version: syslog.protocol_version,
+
+    // SYSLOG v4.0 协作相关字段
+    persona: syslog.persona || null,
+    collaboration: syslog.collaboration || null,
+    human_feedback: syslog.human_feedback || null,
+    status: syslog.status || null,
+    summary: syslog.summary || null,
+
+    // 对齐 persona_memory 表
+    memory_entry: {
+      persona_id: syslog.persona?.persona_id || 'ICE-GL-SY001',
+      type: 'event',
+      title: 'SYSLOG 回传 · ' + broadcastId + ' · ' + devId,
+      importance: calculateImportance(syslog),
+      related_dev: devId,
+      related_broadcast: broadcastId,
+      tags: ['syslog', 'collaboration', broadcastId],
+    },
+  };
+
+  buffer.push(record);
+
+  if (buffer.length >= MAX_BUFFER_SIZE) {
+    flush();
+  }
+}
+
+// ══════════════════════════════════════════════════════════
+// 文件写入
+// ══════════════════════════════════════════════════════════
+
+/**
+ * 将缓冲中的记录写入文件
+ */
+function flush() {
+  if (buffer.length === 0) return;
+
+  if (!fs.existsSync(LOGS_DIR)) {
+    fs.mkdirSync(LOGS_DIR, { recursive: true });
+  }
+
+  const dateStr = new Date().toISOString().split('T')[0];
+  const filename = 'collab-' + dateStr + '.jsonl';
+  const filepath = path.join(LOGS_DIR, filename);
+
+  // 使用 JSONL 格式（每行一个 JSON 对象）
+  const lines = buffer.map(r => JSON.stringify(r)).join('\n') + '\n';
+
+  try {
+    fs.appendFileSync(filepath, lines, 'utf8');
+  } catch (e) {
+    // 写入失败时不丢失数据，保留在缓冲中
+    return;
+  }
+
+  buffer = [];
+}
+
+/**
+ * 生成导出数据（对齐 persona-brain-db 的5张核心表）
+ * @returns {object} 结构化数据，可直接导入到 persona-brain-db
+ */
+function exportForBrainDB() {
+  flush(); // 先刷新缓冲
+
+  const files = [];
+  try {
+    if (fs.existsSync(LOGS_DIR)) {
+      files.push(...fs.readdirSync(LOGS_DIR)
+        .filter(f => f.startsWith('collab-') && f.endsWith('.jsonl'))
+        .sort()
+        .reverse()
+        .slice(0, 30)); // 最近 30 天
+    }
+  } catch (e) {
+    return { error: e.message, records: [] };
+  }
+
+  const records = [];
+  for (const file of files) {
+    try {
+      const lines = fs.readFileSync(path.join(LOGS_DIR, file), 'utf8')
+        .split('\n')
+        .filter(l => l.trim());
+      for (const line of lines) {
+        try {
+          records.push(JSON.parse(line));
+        } catch (e) { /* skip malformed lines */ }
+      }
+    } catch (e) { /* skip unreadable files */ }
+  }
+
+  // 结构化为 persona-brain-db 表格式
+  return {
+    total_records: records.length,
+    persona_memory_entries: records
+      .filter(r => r.memory_entry)
+      .map(r => r.memory_entry),
+    dev_interactions: records
+      .filter(r => r.dev_id)
+      .reduce((acc, r) => {
+        if (!acc[r.dev_id]) acc[r.dev_id] = { dev_id: r.dev_id, interactions: 0, last_active: null };
+        acc[r.dev_id].interactions++;
+        acc[r.dev_id].last_active = r.timestamp;
+        return acc;
+      }, {}),
+    collaboration_sessions: records
+      .filter(r => r.type === 'collaboration'),
+    syslog_collaborations: records
+      .filter(r => r.type === 'syslog_collaboration'),
+  };
+}
+
+// ══════════════════════════════════════════════════════════
+// 工具函数
+// ══════════════════════════════════════════════════════════
+
+function generateId() {
+  return 'CL-' + Date.now().toString(36) + '-' + Math.random().toString(36).slice(2, 6);
+}
+
+function calculateImportance(syslog) {
+  let score = 5; // 基础分
+  if (syslog.status === 'completed') score += 2;
+  if (syslog.human_feedback) score += 1;
+  if (syslog.collaboration) score += 1;
+  return Math.min(score, 10);
+}
+
+/**
+ * 获取采集统计
+ * @returns {object}
+ */
+function getStats() {
+  const pending = buffer.length;
+  let totalFiles = 0;
+
+  try {
+    if (fs.existsSync(LOGS_DIR)) {
+      totalFiles = fs.readdirSync(LOGS_DIR)
+        .filter(f => f.startsWith('collab-') && f.endsWith('.jsonl'))
+        .length;
+    }
+  } catch (e) { /* ignore */ }
+
+  return {
+    pendingInBuffer: pending,
+    totalLogFiles: totalFiles,
+    logsDirectory: LOGS_DIR,
+    maxBufferSize: MAX_BUFFER_SIZE,
+  };
+}
+
+module.exports = {
+  logInteraction,
+  logSyslogCollaboration,
+  flush,
+  exportForBrainDB,
+  getStats,
+};
diff --git a/backend/feishu-bot/context-manager.js b/backend/feishu-bot/context-manager.js
new file mode 100644
index 00000000..53159aa1
--- /dev/null
+++ b/backend/feishu-bot/context-manager.js
@@ -0,0 +1,179 @@
+// backend/feishu-bot/context-manager.js
+// 铸渊 · 飞书机器人多轮对话上下文管理
+//
+// 为每个用户维护独立的对话上下文
+// 支持上下文压缩、过期清理、会话隔离
+//
+// 基于 persona-studio/backend/brain/memory-injector.js 的五层模型简化版
+
+'use strict';
+
+// ══════════════════════════════════════════════════════════
+// 配置
+// ══════════════════════════════════════════════════════════
+
+const MAX_HISTORY_ROUNDS     = 10;    // 保留最近 10 轮对话
+const MAX_HISTORY_MESSAGES   = 20;    // 10 轮 = 20 条消息
+const SESSION_TIMEOUT_MS     = 30 * 60 * 1000; // 30 分钟无活动则清除上下文
+const MAX_SESSIONS           = 500;   // 内存中最多保留的会话数
+
+// ══════════════════════════════════════════════════════════
+// 会话存储（内存级，重启后清空）
+// ══════════════════════════════════════════════════════════
+
+// Map<userId, SessionData>
+const sessions = new Map();
+
+/**
+ * @typedef {object} SessionData
+ * @property {string} userId
+ * @property {Array<{role: string, content: string}>} history
+ * @property {number} lastActiveAt
+ * @property {string} channel
+ * @property {number} totalRounds
+ */
+
+// ══════════════════════════════════════════════════════════
+// 会话管理
+// ══════════════════════════════════════════════════════════
+
+/**
+ * 获取或创建用户会话
+ * @param {string} userId - 飞书用户 ID
+ * @returns {SessionData}
+ */
+function getSession(userId) {
+  cleanExpiredSessions();
+
+  if (sessions.has(userId)) {
+    const session = sessions.get(userId);
+    session.lastActiveAt = Date.now();
+    return session;
+  }
+
+  const session = {
+    userId,
+    history: [],
+    lastActiveAt: Date.now(),
+    channel: 'shuangyan',
+    totalRounds: 0,
+  };
+
+  // 如果超过最大会话数，清除最旧的会话
+  if (sessions.size >= MAX_SESSIONS) {
+    evictOldestSession();
+  }
+
+  sessions.set(userId, session);
+  return session;
+}
+
+/**
+ * 添加一轮对话到上下文
+ * @param {string} userId - 飞书用户 ID
+ * @param {string} userMessage - 用户消息
+ * @param {string} assistantReply - 助手回复
+ * @param {string} channel - 通道标识
+ */
+function addRound(userId, userMessage, assistantReply, channel) {
+  const session = getSession(userId);
+
+  session.history.push(
+    { role: 'user', content: userMessage },
+    { role: 'assistant', content: assistantReply }
+  );
+
+  session.channel = channel || session.channel;
+  session.totalRounds += 1;
+
+  // 保留最近 N 轮
+  if (session.history.length > MAX_HISTORY_MESSAGES) {
+    session.history = session.history.slice(-MAX_HISTORY_MESSAGES);
+  }
+}
+
+/**
+ * 获取用户的对话历史
+ * @param {string} userId - 飞书用户 ID
+ * @returns {Array<{role: string, content: string}>}
+ */
+function getHistory(userId) {
+  const session = getSession(userId);
+  return session.history;
+}
+
+/**
+ * 清除用户的对话上下文
+ * @param {string} userId - 飞书用户 ID
+ */
+function clearSession(userId) {
+  sessions.delete(userId);
+}
+
+/**
+ * 获取会话统计信息
+ * @param {string} userId - 飞书用户 ID
+ * @returns {object}
+ */
+function getSessionInfo(userId) {
+  const session = sessions.get(userId);
+  if (!session) {
+    return { exists: false, totalRounds: 0, historyLength: 0 };
+  }
+  return {
+    exists: true,
+    totalRounds: session.totalRounds,
+    historyLength: session.history.length,
+    channel: session.channel,
+    lastActiveAt: new Date(session.lastActiveAt).toISOString(),
+    idleMinutes: Math.floor((Date.now() - session.lastActiveAt) / 60000),
+  };
+}
+
+// ══════════════════════════════════════════════════════════
+// 内部维护
+// ══════════════════════════════════════════════════════════
+
+function cleanExpiredSessions() {
+  const now = Date.now();
+  for (const [userId, session] of sessions) {
+    if (now - session.lastActiveAt > SESSION_TIMEOUT_MS) {
+      sessions.delete(userId);
+    }
+  }
+}
+
+function evictOldestSession() {
+  let oldestKey = null;
+  let oldestTime = Infinity;
+  for (const [userId, session] of sessions) {
+    if (session.lastActiveAt < oldestTime) {
+      oldestTime = session.lastActiveAt;
+      oldestKey = userId;
+    }
+  }
+  if (oldestKey) sessions.delete(oldestKey);
+}
+
+/**
+ * 获取全局统计
+ * @returns {object}
+ */
+function getStats() {
+  cleanExpiredSessions();
+  return {
+    activeSessions: sessions.size,
+    maxSessions: MAX_SESSIONS,
+    sessionTimeoutMinutes: SESSION_TIMEOUT_MS / 60000,
+    maxHistoryRounds: MAX_HISTORY_ROUNDS,
+  };
+}
+
+module.exports = {
+  getSession,
+  addRound,
+  getHistory,
+  clearSession,
+  getSessionInfo,
+  getStats,
+};
diff --git a/backend/routes/feishu-bot.js b/backend/routes/feishu-bot.js
index b173dcbc..5936123a 100644
--- a/backend/routes/feishu-bot.js
+++ b/backend/routes/feishu-bot.js
@@ -1,16 +1,22 @@
 // backend/routes/feishu-bot.js
 // 铸渊 · 飞书机器人事件回调处理
 //
-// SYSLOG 回传桥：开发者发 SYSLOG → 飞书机器人 → GitHub repository_dispatch
+// Phase 1-3: SYSLOG 回传桥（开发者发 SYSLOG → GitHub → Notion）
+// Phase 4A:  AI 对话引擎（霜砚/人格体上线飞书）
+// Phase 4C:  协作数据采集（对话记录 → collaboration-logs/）
 //
 // 飞书事件订阅：im.message.receive_v1
 // 部署：集成到现有 M-BRIDGE 后端服务
 //
 // 环境变量：
-//   FEISHU_APP_ID          飞书应用 App ID
-//   FEISHU_APP_SECRET      飞书应用 App Secret
-//   GITHUB_TOKEN           GitHub Token（需要 repo scope）
-//   FEISHU_VERIFICATION_TOKEN  飞书事件验证 Token（可选，用于安全校验）
+//   FEISHU_APP_ID              飞书应用 App ID
+//   FEISHU_APP_SECRET          飞书应用 App Secret
+//   GITHUB_TOKEN               GitHub Token（需要 repo scope）
+//   FEISHU_VERIFICATION_TOKEN  飞书事件验证 Token（可选）
+//   MODEL_API_KEY              AI 模型 API Key（Phase 4A）
+//   MODEL_API_BASE             AI 模型 API Base URL（Phase 4A）
+//   MODEL_NAME                 AI 模型名称（Phase 4A）
+//   FEISHU_ALERT_CHAT_ID       失败告警推送的飞书群 chat_id（Phase 4D）
 
 'use strict';
 
@@ -18,16 +24,25 @@ const express = require('express');
 const https   = require('https');
 const router  = express.Router();
 
-const FEISHU_APP_ID     = process.env.FEISHU_APP_ID;
-const FEISHU_APP_SECRET = process.env.FEISHU_APP_SECRET;
-const GITHUB_TOKEN      = process.env.GITHUB_TOKEN;
+const aiChat             = require('../feishu-bot/ai-chat');
+const contextManager     = require('../feishu-bot/context-manager');
+const collaborationLogger = require('../feishu-bot/collaboration-logger');
+
+const FEISHU_APP_ID      = process.env.FEISHU_APP_ID;
+const FEISHU_APP_SECRET  = process.env.FEISHU_APP_SECRET;
+const GITHUB_TOKEN       = process.env.GITHUB_TOKEN;
 const VERIFICATION_TOKEN = process.env.FEISHU_VERIFICATION_TOKEN;
+const ALERT_CHAT_ID      = process.env.FEISHU_ALERT_CHAT_ID;
 
 const GITHUB_REPO_OWNER = process.env.GITHUB_REPO_OWNER || 'qinfendebingshuo';
 const GITHUB_REPO_NAME  = process.env.GITHUB_REPO_NAME  || 'guanghulab';
 
 const VALID_PROTOCOL_VERSIONS = ['4.0', 'v4.0', '4.0.0'];
 
+// 已处理的事件 ID 去重（飞书可能重发事件）
+const processedEvents = new Set();
+const MAX_PROCESSED_EVENTS = 2000;
+
 // ══════════════════════════════════════════════════════════
 // 工具函数
 // ══════════════════════════════════════════════════════════
@@ -52,6 +67,9 @@ function httpsRequest(options, body) {
       });
     });
     req.on('error', reject);
+    req.setTimeout(60000, () => {
+      req.destroy(new Error('Request timeout'));
+    });
     if (payload) req.write(payload);
     req.end();
   });
@@ -84,7 +102,24 @@ async function replyFeishuMessage(token, messageId, content) {
   });
 }
 
-async function triggerGitHubDispatch(syslog) {
+async function sendFeishuGroupMessage(token, chatId, text) {
+  return httpsRequest({
+    hostname: 'open.feishu.cn',
+    port: 443,
+    path: '/open-apis/im/v1/messages?receive_id_type=chat_id',
+    method: 'POST',
+    headers: {
+      'Authorization': 'Bearer ' + token,
+      'Content-Type': 'application/json',
+    },
+  }, {
+    receive_id: chatId,
+    msg_type: 'text',
+    content: JSON.stringify({ text }),
+  });
+}
+
+async function triggerGitHubDispatch(eventType, payload) {
   return httpsRequest({
     hostname: 'api.github.com',
     port: 443,
@@ -97,22 +132,36 @@ async function triggerGitHubDispatch(syslog) {
       'Content-Type': 'application/json',
     },
   }, {
-    event_type: 'receive-syslog',
-    client_payload: {
-      syslog: syslog,
-      dev_id: syslog.dev_id || syslog.developer_id || 'UNKNOWN',
-      broadcast_id: syslog.broadcast_id || syslog.broadcastId || 'UNKNOWN',
-    },
+    event_type: eventType,
+    client_payload: payload,
   });
 }
 
+// ══════════════════════════════════════════════════════════
+// 事件去重
+// ══════════════════════════════════════════════════════════
+
+function isEventProcessed(eventId) {
+  if (!eventId) return false;
+  if (processedEvents.has(eventId)) return true;
+
+  // 清理过多的记录
+  if (processedEvents.size >= MAX_PROCESSED_EVENTS) {
+    const iterator = processedEvents.values();
+    for (let i = 0; i < MAX_PROCESSED_EVENTS / 2; i++) {
+      processedEvents.delete(iterator.next().value);
+    }
+  }
+
+  processedEvents.add(eventId);
+  return false;
+}
+
 // ══════════════════════════════════════════════════════════
 // SYSLOG 提取与验证
 // ══════════════════════════════════════════════════════════
 
 function extractSyslogFromMessage(text) {
-  // 尝试从消息中提取 JSON
-  // 支持：纯 JSON、代码块包裹的 JSON、混合文本中的 JSON
   if (!text || typeof text !== 'string') return null;
 
   // 1. 尝试直接解析整个文本
@@ -161,14 +210,14 @@ function validateSyslog(syslog) {
   if (!syslog.dev_id && !syslog.developer_id) {
     return '缺少 dev_id 或 developer_id 字段';
   }
-  return null; // 验证通过
+  return null;
 }
 
 // ══════════════════════════════════════════════════════════
 // 路由处理
 // ══════════════════════════════════════════════════════════
 
-// 飞书事件回调 URL 验证（首次配置时飞书会发送 challenge）
+// 飞书事件回调 URL 验证 + 消息处理
 router.post('/event', async (req, res) => {
   const body = req.body;
 
@@ -177,7 +226,7 @@ router.post('/event', async (req, res) => {
     return res.json({ challenge: body.challenge });
   }
 
-  // 2. 验证 token（如果配置了 VERIFICATION_TOKEN）
+  // 2. 验证 token
   if (VERIFICATION_TOKEN && body.token && body.token !== VERIFICATION_TOKEN) {
     return res.status(403).json({ error: true, message: '验证 token 不匹配' });
   }
@@ -186,26 +235,30 @@ router.post('/event', async (req, res) => {
   const header = body.header || {};
   const event = body.event || {};
 
+  // 事件去重（飞书可能在超时后重发）
+  if (isEventProcessed(header.event_id)) {
+    return res.json({ code: 0, message: 'duplicate event' });
+  }
+
   // 处理 im.message.receive_v1 事件
   if (header.event_type === 'im.message.receive_v1') {
     // 立即响应飞书（避免超时重发）
     res.json({ code: 0 });
 
     // 异步处理消息
-    processMessage(event).catch(err => {
-      console.error('❌ 消息处理失败:', err.message);
-    });
+    processMessage(event).catch(() => {});
     return;
   }
 
-  // 其他事件类型
   res.json({ code: 0, message: 'event received' });
 });
 
 async function processMessage(event) {
   const message = event.message || {};
+  const sender  = event.sender || {};
   const messageId = message.message_id;
   const msgType = message.message_type;
+  const userId  = sender.sender_id?.open_id || sender.sender_id?.user_id || 'unknown';
 
   // 只处理文本消息
   if (msgType !== 'text') return;
@@ -218,37 +271,74 @@ async function processMessage(event) {
     return;
   }
 
-  // 提取 SYSLOG
-  const syslog = extractSyslogFromMessage(textContent);
-  if (!syslog) return; // 不是 SYSLOG 消息，忽略
-
-  // 验证 SYSLOG
-  const validationError = validateSyslog(syslog);
+  if (!textContent.trim()) return;
 
   // 获取飞书 token 用于回复
   let feishuToken;
   try {
     feishuToken = await getFeishuToken();
   } catch (e) {
-    console.error('❌ 获取飞书 token 失败:', e.message);
     return;
   }
 
+  // ── 路由判断 ────────────────────────────────────────────
+  // 1. 检查是否为 SYSLOG 回传
+  const syslog = extractSyslogFromMessage(textContent);
+  if (syslog) {
+    await handleSyslogMessage(syslog, feishuToken, messageId);
+    return;
+  }
+
+  // 2. 检查是否为特殊指令
+  const trimmed = textContent.trim();
+  if (trimmed === '/clear' || trimmed === '/reset') {
+    contextManager.clearSession(userId);
+    await replyFeishuMessage(feishuToken, messageId, '🔄 对话上下文已清除。');
+    return;
+  }
+  if (trimmed === '/status') {
+    const info = contextManager.getSessionInfo(userId);
+    const stats = collaborationLogger.getStats();
+    await replyFeishuMessage(feishuToken, messageId,
+      '📊 会话状态\n' +
+      '对话轮数: ' + info.totalRounds + '\n' +
+      '当前通道: ' + (info.channel || '未开始') + '\n' +
+      '空闲时间: ' + (info.idleMinutes || 0) + ' 分钟\n' +
+      '协作日志: ' + stats.totalLogFiles + ' 个文件');
+    return;
+  }
+
+  // 3. AI 对话（Phase 4A）
+  await handleAIChatMessage(textContent, userId, feishuToken, messageId);
+}
+
+// ══════════════════════════════════════════════════════════
+// SYSLOG 处理（Phase 1-3）
+// ══════════════════════════════════════════════════════════
+
+async function handleSyslogMessage(syslog, feishuToken, messageId) {
+  const validationError = validateSyslog(syslog);
   if (validationError) {
     await replyFeishuMessage(feishuToken, messageId,
       '❌ SYSLOG 验证失败: ' + validationError + '\n\n请检查 JSON 格式后重新发送。');
     return;
   }
 
-  // 触发 GitHub repository_dispatch
   if (!GITHUB_TOKEN) {
     await replyFeishuMessage(feishuToken, messageId,
       '⚠️ 系统配置缺失 (GITHUB_TOKEN)，请联系管理员。');
     return;
   }
 
+  // Phase 4C: 记录 SYSLOG 协作数据
+  collaborationLogger.logSyslogCollaboration(syslog);
+
   try {
-    const result = await triggerGitHubDispatch(syslog);
+    const result = await triggerGitHubDispatch('receive-syslog', {
+      syslog: syslog,
+      dev_id: syslog.dev_id || syslog.developer_id || 'UNKNOWN',
+      broadcast_id: syslog.broadcast_id || syslog.broadcastId || 'UNKNOWN',
+    });
     if (result.statusCode === 204 || result.statusCode === 200) {
       const devId = syslog.dev_id || syslog.developer_id;
       const broadcastId = syslog.broadcast_id || syslog.broadcastId || '无';
@@ -267,14 +357,89 @@ async function processMessage(event) {
   }
 }
 
-// 健康检查
+// ══════════════════════════════════════════════════════════
+// AI 对话处理（Phase 4A）
+// ══════════════════════════════════════════════════════════
+
+async function handleAIChatMessage(textContent, userId, feishuToken, messageId) {
+  // 获取对话历史
+  const history = contextManager.getHistory(userId);
+
+  // 调用 AI 模型
+  const { reply, channel } = await aiChat.chat(textContent, history, {
+    loginEntryContent: null, // TODO: 从飞书文档A缓存中获取
+  });
+
+  // 更新上下文
+  contextManager.addRound(userId, textContent, reply, channel);
+
+  // Phase 4C: 记录协作数据
+  collaborationLogger.logInteraction({
+    userId,
+    userMessage: textContent,
+    assistantReply: reply,
+    channel,
+    personaId: channel === 'persona' ? 'ICE-GL-ZQ001' : 'ICE-GL-SY001',
+  });
+
+  // 回复用户
+  await replyFeishuMessage(feishuToken, messageId, reply);
+}
+
+// ══════════════════════════════════════════════════════════
+// 失败告警（Phase 4D）
+// ══════════════════════════════════════════════════════════
+
+/**
+ * 发送失败告警到飞书群（供外部 workflow 调用）
+ */
+router.post('/alert', async (req, res) => {
+  const { title, content, level } = req.body;
+  if (!ALERT_CHAT_ID) {
+    return res.status(400).json({ error: true, message: '未配置 FEISHU_ALERT_CHAT_ID' });
+  }
+
+  try {
+    const feishuToken = await getFeishuToken();
+    const emoji = level === 'error' ? '🔴' : level === 'warning' ? '🟡' : 'ℹ️';
+    const text = emoji + ' ' + (title || '系统告警') + '\n\n' + (content || '无详细信息');
+    await sendFeishuGroupMessage(feishuToken, ALERT_CHAT_ID, text);
+    res.json({ success: true });
+  } catch (e) {
+    res.status(500).json({ error: true, message: e.message });
+  }
+});
+
+// ══════════════════════════════════════════════════════════
+// 健康检查 + 统计
+// ══════════════════════════════════════════════════════════
+
 router.get('/health', (req, res) => {
   res.json({
     status: 'ok',
     service: 'feishu-bot-syslog-bridge',
+    version: '2.0.0',
+    features: {
+      syslog_bridge: true,
+      ai_chat: !!process.env.MODEL_API_KEY,
+      collaboration_logging: true,
+      failure_alerting: !!ALERT_CHAT_ID,
+    },
     github_token_configured: !!GITHUB_TOKEN,
     feishu_app_configured: !!(FEISHU_APP_ID && FEISHU_APP_SECRET),
     verification_token_configured: !!VERIFICATION_TOKEN,
+    model_api_configured: !!process.env.MODEL_API_KEY,
+    context_stats: contextManager.getStats(),
+    collaboration_stats: collaborationLogger.getStats(),
+  });
+});
+
+// 导出协作数据（对齐 persona-brain-db 格式）
+router.get('/collaboration-export', (req, res) => {
+  const data = collaborationLogger.exportForBrainDB();
+  res.json({
+    hli_id: 'HLI-FEISHU-COLLAB-EXPORT',
+    ...data,
   });
 });
 
diff --git a/collaboration-logs/.gitkeep b/collaboration-logs/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/scripts/receive-syslog.js b/scripts/receive-syslog.js
index 95e5b87e..dd136852 100644
--- a/scripts/receive-syslog.js
+++ b/scripts/receive-syslog.js
@@ -135,9 +135,15 @@ function saveSyslogToFile(syslog) {
   const filename = dateStr + '_' + broadcastId + '_' + devId + '.json';
   const filepath = path.join(SYSLOG_DIR, filename);
 
+  // 幂等性检查：同一 broadcast_id + dev_id + date 不重复创建
+  if (fs.existsSync(filepath)) {
+    console.log('  ⚠️ 幂等跳过: syslog/' + filename + ' 已存在');
+    return { filepath, dateStr, broadcastId, devId, duplicate: true };
+  }
+
   fs.writeFileSync(filepath, JSON.stringify(syslog, null, 2), 'utf8');
   console.log('  → 已保存: syslog/' + filename);
-  return { filepath, dateStr, broadcastId, devId };
+  return { filepath, dateStr, broadcastId, devId, duplicate: false };
 }
 
 // ══════════════════════════════════════════════════════════
@@ -268,7 +274,14 @@ async function main() {
 
   // 步骤①：存入仓库
   console.log('💾 步骤①: 存入仓库 syslog/ 目录...');
-  const { dateStr } = saveSyslogToFile(syslog);
+  const { dateStr, duplicate } = saveSyslogToFile(syslog);
+
+  // 幂等性：重复的 SYSLOG 不再创建 Notion 工单
+  if (duplicate) {
+    console.log('⚠️  相同 SYSLOG 已存在，跳过 Notion 操作（幂等保护）');
+    console.log('✅ SYSLOG 接收处理完成（幂等跳过）');
+    return;
+  }
 
   // 步骤②：创建 Notion SYSLOG 收件箱条目
   if (notionToken && syslogDbId) {
diff --git a/scripts/save-collaboration-log.js b/scripts/save-collaboration-log.js
new file mode 100644
index 00000000..d7b4e9aa
--- /dev/null
+++ b/scripts/save-collaboration-log.js
@@ -0,0 +1,148 @@
+// scripts/save-collaboration-log.js
+// 铸渊 · 协作数据归档脚本
+//
+// 将 collaboration-logs/ 目录中的 JSONL 数据
+// 结构化对齐 persona-brain-db 五张核心表 schema
+// 生成可直接导入的 JSON 文件
+//
+// 用法: node scripts/save-collaboration-log.js
+//
+// 输出:
+//   collaboration-logs/exports/persona-memory-import.json
+//   collaboration-logs/exports/dev-interactions-import.json
+
+'use strict';
+
+const fs   = require('fs');
+const path = require('path');
+
+const LOGS_DIR    = path.resolve(__dirname, '..', 'collaboration-logs');
+const EXPORT_DIR  = path.join(LOGS_DIR, 'exports');
+
+// ══════════════════════════════════════════════════════════
+// 主流程
+// ══════════════════════════════════════════════════════════
+
+function main() {
+  console.log('📊 协作数据归档开始...');
+
+  // 1. 扫描 JSONL 文件
+  if (!fs.existsSync(LOGS_DIR)) {
+    console.log('📭 无协作日志目录');
+    process.exit(0);
+  }
+
+  const files = fs.readdirSync(LOGS_DIR)
+    .filter(f => f.startsWith('collab-') && f.endsWith('.jsonl'))
+    .sort();
+
+  if (files.length === 0) {
+    console.log('📭 无协作日志文件');
+    process.exit(0);
+  }
+
+  console.log('  → 发现 ' + files.length + ' 个日志文件');
+
+  // 2. 读取所有记录
+  const records = [];
+  for (const file of files) {
+    const lines = fs.readFileSync(path.join(LOGS_DIR, file), 'utf8')
+      .split('\n')
+      .filter(l => l.trim());
+    for (const line of lines) {
+      try {
+        records.push(JSON.parse(line));
+      } catch (e) { /* skip malformed */ }
+    }
+  }
+
+  console.log('  → 共 ' + records.length + ' 条记录');
+
+  // 3. 结构化导出
+
+  // 3a. persona_memory 表导入数据
+  const memoryEntries = records
+    .filter(r => r.memory_entry || r.type === 'collaboration')
+    .map(r => {
+      if (r.memory_entry) {
+        return {
+          memory_id: r.interaction_id,
+          ...r.memory_entry,
+          content: r.type === 'collaboration'
+            ? 'User: ' + (r.user_message || '').slice(0, 500) + '\nAssistant: ' + (r.assistant_reply || '').slice(0, 500)
+            : r.summary || r.memory_entry.title,
+          timestamp: r.timestamp,
+        };
+      }
+      return {
+        memory_id: r.interaction_id,
+        persona_id: r.persona_id || r.personaId || 'ICE-GL-SY001',
+        type: 'learning',
+        title: '飞书对话 · ' + (r.channel || 'shuangyan'),
+        content: 'User: ' + (r.user_message || '').slice(0, 500) + '\nAssistant: ' + (r.assistant_reply || '').slice(0, 500),
+        importance: 3,
+        related_dev: r.dev_id || null,
+        tags: ['feishu', 'collaboration', r.channel || 'shuangyan'],
+        timestamp: r.timestamp,
+      };
+    });
+
+  // 3b. dev_profiles 交互统计
+  const devInteractions = {};
+  for (const r of records) {
+    const devId = r.dev_id;
+    if (!devId) continue;
+    if (!devInteractions[devId]) {
+      devInteractions[devId] = {
+        dev_id: devId,
+        total_interactions: 0,
+        syslog_count: 0,
+        chat_count: 0,
+        last_active_at: null,
+        channels_used: new Set(),
+        broadcasts_referenced: new Set(),
+      };
+    }
+    const d = devInteractions[devId];
+    d.total_interactions++;
+    if (r.type === 'syslog_collaboration') d.syslog_count++;
+    if (r.type === 'collaboration') d.chat_count++;
+    d.last_active_at = r.timestamp;
+    if (r.channel) d.channels_used.add(r.channel);
+    if (r.broadcast_id && r.broadcast_id !== 'UNKNOWN') d.broadcasts_referenced.add(r.broadcast_id);
+  }
+
+  // Set 转 Array 用于 JSON 序列化
+  for (const key of Object.keys(devInteractions)) {
+    devInteractions[key].channels_used = Array.from(devInteractions[key].channels_used);
+    devInteractions[key].broadcasts_referenced = Array.from(devInteractions[key].broadcasts_referenced);
+  }
+
+  // 4. 写入导出文件
+  if (!fs.existsSync(EXPORT_DIR)) {
+    fs.mkdirSync(EXPORT_DIR, { recursive: true });
+  }
+
+  const memoryFile = path.join(EXPORT_DIR, 'persona-memory-import.json');
+  fs.writeFileSync(memoryFile, JSON.stringify({
+    table: 'persona_memory',
+    exported_at: new Date().toISOString(),
+    total: memoryEntries.length,
+    entries: memoryEntries,
+  }, null, 2));
+  console.log('  → 导出 persona_memory: ' + memoryEntries.length + ' 条');
+
+  const devFile = path.join(EXPORT_DIR, 'dev-interactions-import.json');
+  fs.writeFileSync(devFile, JSON.stringify({
+    table: 'dev_profiles',
+    exported_at: new Date().toISOString(),
+    total: Object.keys(devInteractions).length,
+    profiles: devInteractions,
+  }, null, 2));
+  console.log('  → 导出 dev_profiles: ' + Object.keys(devInteractions).length + ' 个开发者');
+
+  console.log('✅ 协作数据归档完成');
+  console.log('  导出目录: ' + EXPORT_DIR);
+}
+
+main();