16 tasks: pure-function power curve and rank resolver, one migration
covering Character/ItemDefinition/ItemType/CombatReward changes plus
five new tables, three new domain services (Renown, Reputation,
TurnIn), XP removal from the combat reward pipeline, requiredLevel
gate removal, seed content for Grenzwacht/Räuberabzeichen/turn-ins,
a fixture sweep, and the web-side Renown/Reputation surfaces.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>