From 245946f689092ce21353f35b1bf7dd273c1a676d Mon Sep 17 00:00:00 2001
From: ywj <138745068+yangwenjie1231@users.noreply.github.com>
Date: Tue, 31 Mar 2026 17:05:42 +0800
Subject: [PATCH] fix(feishu): early-return for non-reply messages, add cache
 and fetchMessageByID comment

---
 pkg/channels/feishu/feishu_64.go    | 7 +++++++
 pkg/channels/feishu/feishu_reply.go | 3 ++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkg/channels/feishu/feishu_64.go b/pkg/channels/feishu/feishu_64.go
index ac10504ea..5be698cb5 100644
--- a/pkg/channels/feishu/feishu_64.go
+++ b/pkg/channels/feishu/feishu_64.go
@@ -469,6 +469,13 @@ func (c *FeishuChannel) handleMessageReceive(ctx context.Context, event *larkim.
 		content = "[empty message]"
 	}
 
+	if replyTargetID(message) != "" || stringValue(message.ThreadId) != "" {
+		content, mediaRefs = c.prependReplyContext(ctx, message, chatID, content, mediaRefs)
+	}
+	if content == "" {
+		content = "[empty message]"
+	}
+
 	logger.InfoCF("feishu", "Feishu message received", map[string]any{
 		"sender_id":  senderID,
 		"chat_id":    chatID,
diff --git a/pkg/channels/feishu/feishu_reply.go b/pkg/channels/feishu/feishu_reply.go
index 98dd89690..22dfe3e87 100644
--- a/pkg/channels/feishu/feishu_reply.go
+++ b/pkg/channels/feishu/feishu_reply.go
@@ -147,7 +147,8 @@ func (c *FeishuChannel) fetchMessageByID(ctx context.Context, messageID string)
 	if resp.Data == nil || len(resp.Data.Items) == 0 || resp.Data.Items[0] == nil {
 		return nil, fmt.Errorf("feishu get message: empty response")
 	}
-
+	// Items[0] contains the target message - the Feishu API returns a list
+	// but we request a single message by ID, so the list always has at most one item.
 	msg := resp.Data.Items[0]
 	c.messageCache.Store(messageID, &cachedMessage{msg: msg, expiry: time.Now().Add(messageCacheTTL)})
 	return msg, nil