컬럼 구조
id int
target_table enum('archive_ships','archive_patriots','archive_media','archive_kungmin','archive_picturebrides')
target_id varchar(50)
submission_type enum('correction','addition')
field_name varchar(100)
original_value text
suggested_value text
reason text
source_reference text
attachments json
submitted_by int
submitted_at timestamp
status enum('pending','reviewing','approved','rejected','merged')
reviewed_by int
reviewed_at timestamp
admin_notes text
rejection_reason text
merged_at timestamp
merge_log json