The author writes about Solomon having his workers build the altar as if he himself had built it. AT: "on Yahweh's altar that Solomon had his workers build" or "the Yahweh's altar that he had commanded his workers to build" (See: [[rc://en/ta/man/translate/figs-metonymy]])
"the Festival of Tents." This is a festival to celebrate God's provision for his people. When the people of Israel wandered in the desert, they lived in temporary shelters. Each year when they harvested their crops, they stayed in temporary shelters in their gardens. In both situations, God provided for them.