-- +goose Up
CREATE TABLE core.alert_rules (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  project_id UUID NOT NULL REFERENCES core.projects(id) ON DELETE CASCADE,
  name TEXT NOT NULL,
  kind TEXT NOT NULL CHECK (kind IN ('heartbeat_silence','error_spike')),
  config JSONB NOT NULL DEFAULT '{}'::jsonb,
  enabled BOOLEAN NOT NULL DEFAULT TRUE,
  state JSONB NOT NULL DEFAULT '{}'::jsonb,
  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  UNIQUE (project_id, name)
);

-- +goose Down
DROP TABLE IF EXISTS core.alert_rules;