Convert teleguard to LAVA @artifact_processor (4-way split + media migration)#834
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…gration)
Splits the Teleguard messenger parser into four decorated artifacts:
Messages, Posts, Contacts, and Channels. Message media (referenced by key
in the metadata JSON) migrates from media_to_html to a ('Media','media')
column backed by check_in_media (a list of refs per message); the
conflated raw metadata is split into its own 'Metadata' column. Contact
avatars (JPEG BLOBs) move from an inline base64 <img> to ('Avatar','media')
via check_in_embedded_media. All timestamps become aware UTC datetimes.
Channels keeps SELECT * (positional) to match the original schema
assumption. Reserved-word column audit run (clean).
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Converts
teleguard.py(Teleguard messenger) to the decorated@artifact_processorpattern — four artifacts (category Teleguard): Messages, Posts, Contacts, Channels.Media migration
metadataJSON, stored undercache/) move frommedia_to_htmlto a('Media','media')column viacheck_in_media— a list of refs per message so multiple attachments render. The raw metadata, previously crammed into the same Media column, gets its ownMetadatacolumn.<img>to('Avatar','media')viacheck_in_embedded_media.Other
createDate,userTime,lastActivityTime,lastVisitTime) → aware UTCdatetime.ChannelskeepsSELECT *(positional, sliced to 12) to match the original's schema assumption rather than guessing column names.Original dates (2024-01-09) preserved.