In Dream of the Red Chamber, the 'flawless jade' referred to Jia Baoyu's jade pendant. In the novel, Jia Baoyu's jade pendant was regarded as his symbol, representing his noble moral character and pure and flawless personality. At the end of the novel, Jia Baoyu's jade pendant was broken, which also symbolized the end of his life journey, making him more aware of his own short-term and impermanence.
Dream of the Red Chamber was a classical Chinese novel. The phrase " golden and jade fate " didn't have a clear reference. The phrase came from the 30th chapter of the novel. The original text was "It turns out that Grandmother Jia and others came to see the emperor and said that everyone laughed at this proverb." It meant "golden and jade fate", but it did not specify who it was referring to. Therefore, the phrase " golden and jade fate " did not refer to a specific target in the novel, but was a humorous saying.
The "golden and jade fate" in Dream of the Red Chamber referred to the love relationship between Jia Baoyu and Lin Daiyu. Lin Daiyu was Jia Baoyu's cousin, and the two had a deep relationship, but because of the conflicts between the families and various reasons, they could not be together in the end. And the phrase 'golden and jade fate' was also a phrase that was often quoted in Dream of the Red Chamber to describe the fate between two people that was very beautiful but ultimately could not be realized.
Dream of the Red Chamber was a classical Chinese novel. The word " golden jade fine smoke " did not appear in the novel. It could be a misspelled word or a fictional word. However, according to the plot and background of the novel, it could be guessed that "Golden Jade Smoke" might refer to some precious things such as jewelry or smoke. However, this was just a guess. The specific meaning needed to be analyzed in conjunction with the plot and background of the novel.
As of now, the Genshin manga is not finished. The story is still evolving and there's more to come for fans to enjoy. The creators are taking their time to develop a rich and engaging narrative.
There's no definite answer yet. It might continue if there's enough demand and the creative team has more story to tell. But it could also stop if they feel they've completed the story arc.