From cbf1ede179c8366f10e06493a8c42fd0b7421859 Mon Sep 17 00:00:00 2001
From: Nicolas Blondiau <n.blondiau@gmail.com>
Date: Tue, 2 Jun 2026 16:45:13 +0200
Subject: [PATCH] fix(email): skip progress messages to prevent empty emails
 after tool calls

---
 nanobot/channels/email.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nanobot/channels/email.py b/nanobot/channels/email.py
index 4415b5ccf..e89537fc2 100644
--- a/nanobot/channels/email.py
+++ b/nanobot/channels/email.py
@@ -187,6 +187,11 @@ class EmailChannel(BaseChannel):
             self.logger.warning("SMTP host not configured")
             return
 
+        # Skip progress messages to prevent sending an empty email after each tool call
+        if (msg.metadata or {}).get("_progress"):
+            self.logger.debug("Skip progress message to {}", msg.chat_id)
+            return
+
         to_addr = msg.chat_id.strip()
         if not to_addr:
             self.logger.warning("Missing recipient address")