📝 Scribe: Add XML documentation for Inventory utility class

[nt153133]

What

Added XML documentation to the Inventory utility class in Utilities/Inventory.cs.

Why

The Inventory class contains complex automation logic and magic numbers (e.g., Action IDs, Item IDs) that were previously undocumented, making maintainability difficult.

Examples

/// <summary>
/// Identifies and opens all coffer-type items (Action ID 388) in the player's inventory.
/// </summary>
/// <returns>A <see cref="Task"/> that returns <see langword="true"/> once all coffers have been processed.</returns>
public static async Task<bool> CofferTask()

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PR created automatically by Jules for task 17751626975287841507 started by @nt153133

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