・プッシュ通知の修正

・メニューをスマホに最適化
・アラート送信済みの条件が再度発動しないように修正

db/schema.sql

@@ -106,11 +106,19 @@ CREATE TABLE IF NOT EXISTS site_alert_conditions (
   threshold_hours integer NOT NULL CHECK (threshold_hours > 0 AND threshold_hours <= 17520),
   webhook_method_ids uuid[] NOT NULL DEFAULT '{}',
   push_enabled boolean NOT NULL DEFAULT false,
+  last_notified_certificate_expires_at timestamptz,
+  last_notified_at timestamptz,
+  last_notification_skipped_at timestamptz,
   created_at timestamptz NOT NULL DEFAULT now(),
   updated_at timestamptz NOT NULL DEFAULT now(),
   UNIQUE (site_id, condition_type, threshold_hours)
 );
 
+ALTER TABLE site_alert_conditions
+  ADD COLUMN IF NOT EXISTS last_notified_certificate_expires_at timestamptz,
+  ADD COLUMN IF NOT EXISTS last_notified_at timestamptz,
+  ADD COLUMN IF NOT EXISTS last_notification_skipped_at timestamptz;
+
 CREATE INDEX IF NOT EXISTS site_alert_conditions_site_id_idx ON site_alert_conditions(site_id);
 
 DROP TRIGGER IF EXISTS site_alert_conditions_set_updated_at ON site_alert_conditions;