- Add AgentRating, AgentRatingSummary, and AgentRatingInput types and re-export them from @fusion/core - Bump core schema to v14 with an agentRatings table plus agentId/createdAt indexes - Implement AgentStore rating methods for add/list/filter/summary/delete with score validation and rating:added events - Extend database and agent-store tests to cover migration, rating CRUD behavior, filtering, limits, and trend calculation