Initial import: property management SaaS + security hardening + admin dashboard
Property Management Network — Next.js 16 (App Router), Better Auth, Drizzle ORM over PostgreSQL, Stripe, OpenAI, Resend. Includes: - Security hardening: access-control/IDOR fixes, TLS-by-default DB layer, constant-time cron auth, strict security headers, atomic AI quota gating, HTML/email output encoding, demo-backdoor disabled in production. - Superadmin dashboard at /admin (overview/MRR, server-paginated users with ban/impersonate/plan/delete, billing, platform activity + admin audit log, AI usage, system health) via the Better Auth admin plugin. - Seed/migration utility scripts under scripts/. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Leon Serfaty
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import { NextResponse } from "next/server"
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import { and, eq, gte, lte } from "drizzle-orm"
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import { db } from "@/lib/db"
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import {
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follow_up_rules,
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follow_up_log,
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rent_payments,
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maintenance_requests,
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leases,
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units,
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} from "@/lib/db/schema"
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import { getSessionUser } from "@/lib/session"
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import { logActivity } from "@/lib/activity"
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import { sendEmail } from "@/lib/email/send"
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export async function POST() {
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const user = await getSessionUser()
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if (!user) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })
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const rules = await db
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.select()
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.from(follow_up_rules)
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.where(and(eq(follow_up_rules.user_id, user.id), eq(follow_up_rules.is_active, true)))
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if (!rules.length) return NextResponse.json({ sent: 0, results: [] })
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const now = new Date()
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const followUpsToLog: any[] = []
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for (const rule of rules) {
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const cutoff = new Date(now)
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cutoff.setDate(cutoff.getDate() - rule.trigger_days)
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if (rule.type === "overdue_rent") {
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const overdue = await db.query.rent_payments.findMany({
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where: and(
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eq(rent_payments.user_id, user.id),
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eq(rent_payments.status, "overdue"),
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lte(rent_payments.due_date, cutoff.toISOString().slice(0, 10))
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),
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columns: { id: true, amount: true, due_date: true },
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with: {
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tenant: { columns: { first_name: true, last_name: true, email: true } },
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},
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})
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for (const payment of overdue) {
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const tenant = payment.tenant
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if (!tenant?.email) continue
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const daysOverdue = Math.ceil((now.getTime() - new Date(payment.due_date).getTime()) / (1000 * 60 * 60 * 24))
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followUpsToLog.push({
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user_id: user.id,
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rule_id: rule.id,
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type: "overdue_rent",
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recipient_name: `${tenant.first_name} ${tenant.last_name}`,
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recipient_email: tenant.email,
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subject: `Rent Payment Reminder — ${daysOverdue} Days Overdue`,
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message: rule.message_template
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?? `Dear ${tenant.first_name}, your rent payment of $${Number(payment.amount).toLocaleString()} was due on ${payment.due_date} and is now ${daysOverdue} days overdue. Please make your payment as soon as possible to avoid further action.`,
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status: "sent",
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})
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}
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}
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if (rule.type === "maintenance_stale") {
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const stale = await db.query.maintenance_requests.findMany({
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where: and(
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eq(maintenance_requests.user_id, user.id),
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eq(maintenance_requests.status, "open"),
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lte(maintenance_requests.created_at, cutoff.toISOString())
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),
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columns: { id: true, title: true, priority: true, created_at: true },
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with: {
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tenant: { columns: { first_name: true, last_name: true, email: true } },
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},
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})
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for (const req of stale) {
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const tenant = req.tenant
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const daysOpen = Math.ceil((now.getTime() - new Date(req.created_at).getTime()) / (1000 * 60 * 60 * 24))
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followUpsToLog.push({
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user_id: user.id,
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rule_id: rule.id,
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type: "maintenance_stale",
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recipient_name: tenant ? `${tenant.first_name} ${tenant.last_name}` : "N/A",
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recipient_email: tenant?.email ?? null,
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subject: `Maintenance Update: ${req.title}`,
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message: rule.message_template
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?? `Your maintenance request "${req.title}" has been open for ${daysOpen} days. We are working on resolving this as soon as possible and will update you shortly.`,
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status: "sent",
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})
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}
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}
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if (rule.type === "lease_renewal") {
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const renewalDate = new Date(now)
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renewalDate.setDate(renewalDate.getDate() + rule.trigger_days)
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const expiring = await db.query.leases.findMany({
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where: and(
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eq(leases.user_id, user.id),
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eq(leases.status, "active"),
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lte(leases.lease_end, renewalDate.toISOString().slice(0, 10)),
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gte(leases.lease_end, now.toISOString().slice(0, 10))
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),
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columns: { id: true, lease_end: true, rent_amount: true },
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with: {
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tenant: { columns: { first_name: true, last_name: true, email: true } },
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},
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})
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for (const lease of expiring) {
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const tenant = lease.tenant
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if (!tenant?.email) continue
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const daysLeft = Math.ceil((new Date(lease.lease_end).getTime() - now.getTime()) / (1000 * 60 * 60 * 24))
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followUpsToLog.push({
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user_id: user.id,
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rule_id: rule.id,
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type: "lease_renewal",
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recipient_name: `${tenant.first_name} ${tenant.last_name}`,
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recipient_email: tenant.email,
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subject: `Lease Renewal Notice — Expires in ${daysLeft} Days`,
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message: rule.message_template
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?? `Dear ${tenant.first_name}, your lease expires on ${lease.lease_end} (${daysLeft} days from now). Please contact us to discuss renewal options and ensure continuity of your tenancy.`,
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status: "sent",
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})
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}
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}
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if (rule.type === "vacant_unit") {
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const vacant = await db.query.units.findMany({
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where: and(eq(units.user_id, user.id), eq(units.status, "vacant")),
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columns: { id: true, unit_number: true, rent_amount: true },
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with: {
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property: { columns: { name: true } },
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},
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})
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for (const unit of vacant) {
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const property = unit.property
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followUpsToLog.push({
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user_id: user.id,
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rule_id: rule.id,
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type: "vacant_unit",
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recipient_name: "You",
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recipient_email: null,
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subject: `Vacant Unit Alert: ${property?.name ?? ""} — Unit ${unit.unit_number}`,
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message: rule.message_template
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?? `Unit ${unit.unit_number} at ${property?.name ?? "your property"} has been vacant. Consider reviewing your listing or adjusting the rent of $${Number(unit.rent_amount).toLocaleString()}/month to attract tenants faster.`,
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status: "sent",
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})
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}
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}
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// Update last_run_at
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await db
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.update(follow_up_rules)
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.set({ last_run_at: now.toISOString() })
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.where(and(eq(follow_up_rules.id, rule.id), eq(follow_up_rules.user_id, user.id)))
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}
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// Send actual emails for all follow-ups that have a recipient
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for (const log of followUpsToLog) {
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if (log.recipient_email) {
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try {
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await sendEmail({
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to: log.recipient_email,
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subject: log.subject,
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html: `<!DOCTYPE html>
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<html>
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<body style="font-family:sans-serif;background:#09090b;color:#fff;padding:40px 20px;max-width:560px;margin:0 auto;">
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<div style="background:#16161f;border:1px solid rgba(255,255,255,0.08);border-radius:12px;padding:32px;">
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<p style="font-size:15px;line-height:1.6;color:rgba(255,255,255,0.8);margin:0 0 24px;">${log.message.replace(/\n/g, "<br/>")}</p>
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<p style="color:rgba(255,255,255,0.3);font-size:11px;margin:24px 0 0;border-top:1px solid rgba(255,255,255,0.06);padding-top:16px;">
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Property Management Network — Automated Follow-up System
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</p>
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</div>
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</body>
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</html>`
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})
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} catch {
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log.status = "failed"
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}
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}
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}
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if (followUpsToLog.length > 0) {
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await db.insert(follow_up_log).values(followUpsToLog)
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}
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await logActivity({
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userId: user.id,
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type: "ai_action",
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title: `Follow-ups processed: ${followUpsToLog.length} action${followUpsToLog.length !== 1 ? "s" : ""} triggered`,
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})
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return NextResponse.json({ sent: followUpsToLog.length, results: followUpsToLog })
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}
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