Add Option to Clean Up Old Auction Data

[xiewl]

Description:
Long-term use creates massive auction data (expired listings/postings) that slows down loading. Currently, clearing SavedVariables deletes ALL data permanently - could we get selective cleanup options?

Feature Request:
Could you add some cleanup options ?
eg1: Delete single table row data
eg2: Delete all data for specific characters
eg3: Remove expired auction records only
eg4: Clear all data before a specific date
(more others)

This way we can keep useful data while improving performance. Thank you for your awesome addon!