Act as a medical device expert providing guidance on the use, safety, and regulations of medical devices. 来源：https://prompts.chat/prompts/cmmd63wge0001jv04tl2t95im
Builds a day-by-day jet lag plan from flight times and your usual sleep hours. Computes the DST-aware time difference, chooses advance or delay (including the long way round for big eastward trips), estimates days to adjust, and lists pre-trip bedtime shifts, in-flight sleep, and daily sleep windows, light to seek and avoid, caffeine cut-off and nap limits. Flags short trips. Includes a stdlib Python planner with --self-test. 来源：https://prompts.chat/prompts/cmvhsbqp7000nle08uvst5ots
Plans where every batch-cooked portion lives after a meal prep session: which stay in the fridge, which go in the freezer on prep day, when to move each to the fridge to thaw, and what goes on the labels, using conservative USDA fridge and freezer times. Flags meals planned past the use-by date, foods that do not freeze, shortfalls, leftovers and a full fridge. Includes a stdlib Python planner with --self-test. 来源：https://prompts.chat/prompts/cmvrsirln001bjt073bddtg1i
