修正示例 yaml：telegram 改用 recipe canonical_id；gmail 讀取留 TODO（issue #13 步驟1）

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

registry/examples/email-summary/workflow.yaml

@@ -12,6 +12,7 @@ config:
     cron_expr: "0 8 * * *"     # 每天 08:00 UTC（依需求調時區）
 
   fetch_unread:
+    # TODO(#13): gmail 讀取尚無對應 recipe，待 seed 補 gmail_list 後再映射；gmail_send 是送信端點，不可用於 action:list
     component: gmail
     action: "list"
     query: "is:unread newer_than:1d"
@@ -35,7 +36,7 @@ config:
       {{fetch_unread.messages}}
 
   push_to_telegram:
-    component: telegram
+    component: telegram_send
     chat_id: "{{secret.LEO_TELEGRAM_CHAT_ID}}"
     text: |
       📬 今日 email 摘要