CREATE TABLE IF NOT EXISTS plugin_ueberwachung_monitors (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  name TEXT NOT NULL,
  type TEXT NOT NULL DEFAULT 'http',
  target TEXT NOT NULL,
  expect_text TEXT NOT NULL DEFAULT '',
  interval_min INTEGER NOT NULL DEFAULT 5,
  timeout_sec INTEGER NOT NULL DEFAULT 8,
  cert_warn_days INTEGER NOT NULL DEFAULT 14,
  is_active INTEGER NOT NULL DEFAULT 1,
  state TEXT NOT NULL DEFAULT 'unknown',
  fails INTEGER NOT NULL DEFAULT 0,
  last_check_at TEXT NULL,
  last_ok_at TEXT NULL,
  last_error TEXT NULL,
  last_ms INTEGER NULL,
  cert_expires TEXT NULL,
  down_since TEXT NULL,
  ticket_id INTEGER NULL,
  cert_ticket_id INTEGER NULL,
  created_at TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS plugin_ueberwachung_events (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  monitor_id INTEGER NOT NULL,
  kind TEXT NOT NULL,
  message TEXT NOT NULL,
  created_at TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS idx_plugin_ueberwachung_events ON plugin_ueberwachung_events (monitor_id, id)