diff --git a/.trellis/workspace/ybf/index.md b/.trellis/workspace/ybf/index.md
index 9d6d707..f7b9c89 100644
--- a/.trellis/workspace/ybf/index.md
+++ b/.trellis/workspace/ybf/index.md
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 68 | 2026-09-14 | Mind conversation history rebuild endpoint | `7012bf9`, `54af59c` | `09-12-mind-rebuild-conversation-history` |
 | 67 | 2026-09-14 | 收集 OneTalk 商品消息 | `4042c34` | `09-14-collect-product-messages` |
 | 66 | 2026-09-14 | 集中 OneTalk 非观测 DOM 交互 | `66d03fd` | `09-14-centralize-dom-interactions` |
 | 65 | 2026-09-13 | OneTalk profile active sync | `f93255e` | `09-12-onetalk-profile-active-sync` |
diff --git a/.trellis/workspace/ybf/journal-1.md b/.trellis/workspace/ybf/journal-1.md
index 5a85e79..f535c41 100644
--- a/.trellis/workspace/ybf/journal-1.md
+++ b/.trellis/workspace/ybf/journal-1.md
@@ -1466,11 +1466,26 @@ Fail-closed plugin lease admission plus Harness heartbeat and HTTP deadline term
 
 新增严格 product 内容合同、MAIN-world 商品 URL 脱敏归一化、JSONB kind 迁移与读取回归。
 
+
+## Session 68: Mind conversation history rebuild endpoint
+<!-- trellis-session: v=2 fp=dfa024de36f75323 -->
+
+**Date**: 2026-09-14
+**Task**: Mind conversation history rebuild endpoint
+**Branch**: `09-12-mind-rebuild-conversation-history`
+
+### Summary
+
+完成 Mind 单会话历史重建 HTTP/WS 契约、Bright scoped reset、插件定向清理与 full-sync generation fence；已通过任务检查并归档任务。
+
+
 ### Git Commits
 
 | Hash | Message |
 |------|---------|
 | `4042c34` | feat: collect OneTalk product messages |
+| `7012bf9` | feat: update message synchronization flow |
+| `54af59c` | feat: expand message center capabilities |
 
 ### Status