Final answer:
The time of the speaker's visit to the Jade Flower Palace is not clearly identified in the provided information, which instead offers historical and cultural context that could be associated with such a visit.
Step-by-step explanation:
The question regarding when the speaker visits the Jade Flower Palace has multiple interpretations based on the context given. The information provided, however, does not directly answer the question but offers background details that may surround the events leading to or consequences of such a visit within a historical or literary setting.
The audience with the emperor, the inspection tour by the Emperor Kangxi, the art of Wang Hui, and examples of classical Chinese literature and poetry all provide a rich tapestry of cultural and historical context which could be relevant to the timeframe of when such a palace visit might occur. To provide a precise response, additional information or textual reference from the specific work that mentions the Jade Flower Palace visit would be required.