➕ Adds mailer library

backend/migrations/2026-07-05-070623-0000_create_actions/up.sql

@@ -8,3 +8,18 @@ CREATE TABLE IF NOT EXISTS actions
     created_at TIMESTAMP        NOT NULL        DEFAULT now(),
     updated_at TIMESTAMP        NOT NULL        DEFAULT now()
 );
+
+CREATE TABLE IF NOT EXISTS timed_emails
+(
+    id         UUID PRIMARY KEY NOT NULL UNIQUE DEFAULT gen_random_uuid(),
+    name       TEXT             NOT NULL,
+    recipient  TEXT             NOT NULL,
+    subject    TEXT             NOT NULL,
+    body       TEXT             NOT NULL,
+    interval   INT              NOT NULL,
+    heartbeat  TIMESTAMP        NOT NULL,
+    expires    TIMESTAMP        NOT NULL,
+    fired      BOOLEAN          NOT NULL        DEFAULT FALSE,
+    created_at TIMESTAMP        NOT NULL        DEFAULT now(),
+    updated_at TIMESTAMP        NOT NULL        DEFAULT now()
+)