Merge remote-tracking branch 'upstream/main' into feature/comment-feed-logic

# Conflicts:
#	mcp_handlers.go
#	mcp_server.go
#	service.go
#	xiaohongshu/like_favorite.go

types.go

@@ -81,3 +81,10 @@ type UserProfileRequest struct {
 	UserID    string `json:"user_id" binding:"required"`
 	XsecToken string `json:"xsec_token" binding:"required"`
 }
+
+// ActionResult 通用动作响应（点赞/收藏等）
+type ActionResult struct {
+	FeedID  string `json:"feed_id"`
+	Success bool   `json:"success"`
+	Message string `json:"message"`
+}