21:            <button class="btn xs warn" data-clear="${l.id}">Clear</button>
---
"""Seed demo data for local end-to-end QA: subjects, template, authorized Gmail
account (with fake token — sends will fail at the Gmail API boundary, which is
exactly what we want to observe in the monitor), recipient list exists already.

Run: python3 scripts/seed_demo.py
"""
import asyncio
import sys
from datetime import datetime, timedelta, timezone
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))

from sqlalchemy import select  # noqa: E402

from app.db.session import AsyncSessionLocal  # noqa: E402
from app.models import (  # noqa: E402
    Campaign, EmailTemplate, GmailAccount, OAuthToken, RecipientList, SubjectLine, User,
)

DEMO_EMAIL = "tester@example.com"

SUBJECTS = [
    "Invoice %RandomInvoiceNumber% for %CompanyName%",
    "Payment reminder for %FirstName%",
    "Balance due: %RandomTotal% — due %DueDate%",
]

TPL_HTML = """<!DOCTYPE html>
<html><body style="font-family:Arial,sans-serif;max-width:600px;margin:0 auto">