import type { EquipmentSlot, ItemCatalog, Loadout, LoadoutEffect } from './types.js';
/** Create a fresh empty loadout. */
export declare function createEmptyLoadout(): Loadout;
/** Equip an item to a slot. Returns errors if invalid. */
export declare function equipItem(loadout: Loadout, itemId: string, catalog: ItemCatalog, characterTags: string[]): {
    loadout: Loadout;
    errors: string[];
};
/** Unequip an item from a slot. Moves it to inventory. */
export declare function unequipItem(loadout: Loadout, slot: EquipmentSlot): Loadout;
/** Add an item to inventory (not equipped). */
export declare function addToInventory(loadout: Loadout, itemId: string): Loadout;
/** Remove an item from inventory. Returns false if not found. */
export declare function removeFromInventory(loadout: Loadout, itemId: string): {
    loadout: Loadout;
    removed: boolean;
};
/** Compute aggregate effects from all equipped items. */
export declare function computeLoadoutEffects(loadout: Loadout, catalog: ItemCatalog): LoadoutEffect;
/** Validate a loadout against the catalog and character tags. */
export declare function validateLoadout(loadout: Loadout, catalog: ItemCatalog, characterTags: string[]): {
    ok: boolean;
    errors: string[];
};
/** Get all items from a loadout (equipped + inventory). */
export declare function getAllItems(loadout: Loadout): string[];
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