specification.md — "Day Ruined Index"

You flip through a deck of ~12 gut-punch peer accomplishments pinned to your own age bracket ('19, just sold their app for $40M', 'your exact age, already owns a house', 'twelve-year-old plays Rachmaninoff clean'), tapping each one 'Inspiring' or 'Day Ruined.' Your ratio computes a Day Ruined Index with an envy diagnosis ('Comfortably Cooked', 'Delusionally Fine', 'Spiral Certified') — that card is the share. The funny move is that the meme's one static caption becomes a running scoreboard of your own quiet despair. Entry hook: 'How many of these ruin your day?' Fast, 12 taps, each card a fres…