CREATE TABLE IF NOT EXISTS plugin_communitybot_links (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  ticket_id INTEGER NOT NULL,
  platform TEXT NOT NULL,
  ext_user TEXT NOT NULL,
  ext_chat TEXT NOT NULL DEFAULT '',
  ext_name TEXT NOT NULL DEFAULT '',
  created_at TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS idx_plugin_communitybot_ticket ON plugin_communitybot_links (ticket_id);
CREATE INDEX IF NOT EXISTS idx_plugin_communitybot_user ON plugin_communitybot_links (platform, ext_user, created_at)