Outfit Catalog KIT v2.0

• Added Owned state to the Cart UI, so items the player already owns no longer appear as buyable
• Improved Cart purchase flow, item ordering, state refresh, and overall UI stability
• Added global Time and Outfit Purchase leaderboards
• Added live Character Preview to the Cart UI
• Improved Character Preview framing to stay more stable with large outfits and accessories
• Expanded Outfit Zone preview options with better random preview handling and mystery silhouette support
• Added local zone feedback effects, including visual feel and sound when activating zones
• Improved validation for mismatched item IDs and category setup mistakes
• Improved preview and catalog loading behavior to reduce repeated errors and unstable fallback states
• Added support for more polished leaderboard stand behavior and looping mannequin animations
• Refactored and cleaned up major systems, including Cart, Skip, Outfit Zone, and Leaderboard logic
• Improved overall code structure, readability, and buyer-facing maintainability
• Updated configuration flow and buyer documentation