-- Legacy databases: rename unprefixed tables to t_* (must run before 0001+ CREATE t_*).
-- No-op when tables already use t_ prefix (unknown source table → ignorable DDL).

RENAME TABLE users TO t_users;
RENAME TABLE user_emails TO t_user_emails;
RENAME TABLE user_devices TO t_user_devices;
RENAME TABLE user_login_logs TO t_user_login_logs;
RENAME TABLE user_delete TO t_user_delete;
RENAME TABLE devices TO t_devices;
RENAME TABLE conversations TO t_conversations;
RENAME TABLE p2p_conversations TO t_p2p_conversations;
RENAME TABLE conversation_members TO t_conversation_members;
RENAME TABLE mailbox_events TO t_mailbox_events;
RENAME TABLE device_sync_cursors TO t_device_sync_cursors;
RENAME TABLE messages TO t_messages;
RENAME TABLE private_message TO t_private_message;
RENAME TABLE group_message TO t_group_message;
RENAME TABLE message_deletes TO t_message_deletes;
RENAME TABLE friend_relations TO t_friend_relations;
RENAME TABLE friend_requests TO t_friend_requests;
RENAME TABLE friend_reports TO t_friend_reports;
RENAME TABLE favorites TO t_favorites;
RENAME TABLE `groups` TO `t_groups`;
RENAME TABLE group_members TO t_group_members;
RENAME TABLE moment_posts TO t_moment_posts;
RENAME TABLE moment_audience TO t_moment_audience;
RENAME TABLE moment_likes TO t_moment_likes;
RENAME TABLE moment_comments TO t_moment_comments;
RENAME TABLE moment_notices TO t_moment_notices;
RENAME TABLE moment_settings TO t_moment_settings;
RENAME TABLE moment_hides TO t_moment_hides;
RENAME TABLE square_posts TO t_square_posts;
RENAME TABLE square_audience TO t_square_audience;
RENAME TABLE square_likes TO t_square_likes;
RENAME TABLE square_comments TO t_square_comments;
RENAME TABLE square_notices TO t_square_notices;
RENAME TABLE square_notice_state TO t_square_notice_state;
RENAME TABLE music_tracks TO t_music_tracks;
RENAME TABLE music_settings TO t_music_settings;