fix: address code review — consistent description, conditional commit step

Co-authored-by: qinfendebingshuo <207279273+qinfendebingshuo@users.noreply.github.com>

.github/workflows/notion-poll.yml

@@ -21,6 +21,7 @@ jobs:
           node-version: '20'
 
       - name: 轮询工单簿 + 处理 + 回写
+        id: poll
         env:
           NOTION_API_TOKEN:  ${{ secrets.NOTION_API_TOKEN }}
           WORKORDER_DB_ID:   ${{ vars.WORKORDER_DB_ID }}
@@ -28,6 +29,7 @@ jobs:
         run: node scripts/notion-signal-bridge.js poll
 
       - name: 提交信号日志
+        if: success()
         run: |
           git config user.name "铸渊 (ZhùYuān)"
           git config user.email "zhuyuan@guanghulab.com"

scripts/notion-signal-bridge.js

@@ -125,7 +125,7 @@ function generateSignalId() {
 function loadSignalIndex() {
   if (!fs.existsSync(SIGNAL_INDEX_PATH)) {
     return {
-      description: '铸渊信号日志目录索引 · AGE OS Notion 信号桥协议',
+      description: '铸渊信号日志目录索引 · AGE OS 信号协议（Notion API 直连）',
       last_updated: new Date().toISOString(),
       total_count: 0,
       signals: []