Cross-vertical gamification campaign example

This reference composes a personal-finance reset campaign with daily, weekly, and explicit missions; capped XP; quests and badges; friend/team streaks; cooperative goals; seeded leagues; boosts, shields, gems, gifts, and nudge intents. It also demonstrates approved-excuse policy, scheduled protection, personal records, append-only XP receipts, canonical emitted events, and promotion/demotion decisions. It is deliberately headless and persists nothing.

Run bun test, bun run typecheck, or import the campaign from @lssm/example.gamification-campaign/campaign.