feat: rag-sync 同步后向用户汇报具体条数

skills/data-science/rag-sync/SKILL.md

@@ -24,10 +24,11 @@ Trigger this skill when the user's message contains any of the following phrases
 
 1. **Incremental Sync (default):**
    - Run: `nohup /usr/local/bin/rag-sync >> /opt/rag/sync.log 2>&1 &`
-   - Wait 3 seconds, then check: `tail -5 /opt/rag/sync.log`
+   - Wait 5 seconds, then check: `tail -20 /opt/rag/sync.log`
 
 2. **Full Rebuild (only if user explicitly says "全量" or "重建" or "full rebuild"):**
    - Run: `nohup /usr/local/bin/rag-sync --full >> /opt/rag/sync.log 2>&1 &`
+   - Wait 5 seconds, then check: `tail -20 /opt/rag/sync.log`
 
 3. **Check Status (if user asks about sync status):**
    - Run: `tail -20 /opt/rag/sync.log`
@@ -36,4 +37,9 @@ Trigger this skill when the user's message contains any of the following phrases
 
 - Always execute commands directly using the terminal tool.
 - Always run commands in the background.
-- After running, report the last few log lines to the user.
+- After running and checking the log, parse the log output and reply to the user in Chinese with a summary including:
+  - Wiki 新增/更新了多少条
+  - NodeBB 新增了多少条
+  - 同步完成时间
+  - Example reply: "同步完成！Wiki 新增/更新 41 条，NodeBB 新增 0 条，完成时间 12:05:05。"
+- If the log shows 0 new items for all sources, reply: "同步完成，未发现新内容。"