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>

components/shared/delete-button.tsx

@@ -0,0 +1,62 @@
+"use client"
+
+import { useState } from "react"
+import { useRouter } from "next/navigation"
+import { Trash2 } from "lucide-react"
+import { ConfirmModal } from "@/components/ui/confirm-modal"
+import { toast } from "sonner"
+
+interface DeleteButtonProps {
+  id: string
+  endpoint: string
+  label?: string
+  onDeleted?: () => void
+}
+
+export function DeleteButton({ id, endpoint, label = "this item", onDeleted }: DeleteButtonProps) {
+  const router = useRouter()
+  const [open, setOpen] = useState(false)
+  const [loading, setLoading] = useState(false)
+
+  async function handleDelete() {
+    setLoading(true)
+    try {
+      const res = await fetch(`${endpoint}/${id}`, { method: "DELETE" })
+      if (!res.ok) {
+        const data = await res.json().catch(() => null)
+        toast.error(data?.error ?? "Failed to delete")
+        return
+      }
+      toast.success("Deleted successfully")
+      if (onDeleted) onDeleted()
+      else router.refresh()
+    } catch {
+      toast.error("Network error — please try again")
+    } finally {
+      setLoading(false)
+      setOpen(false)
+    }
+  }
+
+  return (
+    <>
+      <button
+        onClick={() => setOpen(true)}
+        className="text-white/20 hover:text-red-400 transition"
+        title="Delete"
+      >
+        <Trash2 className="h-3.5 w-3.5" />
+      </button>
+
+      <ConfirmModal
+        open={open}
+        title="Delete item?"
+        description={`Are you sure you want to delete ${label}? This cannot be undone.`}
+        confirmLabel="Delete"
+        loading={loading}
+        onConfirm={handleDelete}
+        onCancel={() => setOpen(false)}
+      />
+    </>
+  )
+}