Rebalance item effects for segmented status model
Tune item stat values so basic items restore roughly 1 baby segment
(+25), medium items provide meaningful upgrades (+35-50), and premium
items have strong multi-stat effects (+70-75).
Food: Apple +15→+25 hunger, Burger +40→+45, Pizza +35→+40,
Sushi +30→+35, Cake +20→+25.
Toys: Teddy +40→+45 happiness and -15→-5 energy (premium = low cost).
Medicine: Bandage +15→+25, Vitamins +20→+25 health and add +5 energy,
Elixir +80→+75 health.
Hygiene: Soap +30→+25, Bubble Bath +60→+70 hygiene and +20→+25
happiness.
Direct actions unchanged (play_music +15, sing +20).
Adds 20 focused tests covering item catalog values, applyItemEffects
clamping, tier relationships, and direct action effects.
No changes to decay rates, sleep behaviour, careState mapping,
segmented UI, item previews, level unlocks, or Nostr persistence.
filemon
4eaec7fead