Inherit email link addresses from hosting and proxy settings

frontend/app/admin/recaps/page.tsx

@@ -1,6 +1,7 @@
 'use client'
 
 import { useCallback, useEffect, useRef, useState, type FormEvent } from 'react'
+import Link from 'next/link'
 import { useRouter } from 'next/navigation'
 import AdminShell from '../../ui/AdminShell'
 import { authFetch, getApiBase } from '../../lib/auth'
@@ -61,8 +62,8 @@ export default function EmailRecapsAdminPage() {
     if (busy) return
     setBusy('save'); setError(''); setNotice('')
     try {
-      const { enabled, day, hour, public_url } = settings
-      const result = await responseData(await authFetch(`${getApiBase()}/admin/email-recaps`, { method: 'PUT', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ enabled, day, hour, public_url }) })) as Settings
+      const { enabled, day, hour } = settings
+      const result = await responseData(await authFetch(`${getApiBase()}/admin/email-recaps`, { method: 'PUT', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ enabled, day, hour }) })) as Settings
       setSettings(result); setData((current) => current ? { ...current, settings: result } : current)
       setPreview(null)
       setNotice(result.enabled ? `Schedule saved. Next send: ${dateLabel(result.next_send_at)}.` : 'Settings saved. Scheduled delivery is paused.')
@@ -106,7 +107,7 @@ export default function EmailRecapsAdminPage() {
           <section className="admin-panel recap-panel"><div className="recap-section-heading"><div><span className="recap-eyebrow">Set the rhythm</span><h2>Monthly schedule</h2></div></div>
             <p>Send the previous month’s report to users who have opted in and confirmed their email. All report periods and send times use UTC.</p>
             <form className="recap-schedule-form" onSubmit={save}>
-              <label htmlFor="recap-public-url">Public Magent address<input id="recap-public-url" type="url" placeholder="https://magent.example.com" maxLength={500} value={settings.public_url} onChange={(event) => setSettings({ ...settings, public_url: event.target.value })} disabled={!!busy} required={settings.enabled} /><small>The address users open from this environment’s emails.</small></label>
+              <label htmlFor="recap-public-url">Public Magent address<input id="recap-public-url" type="url" value={settings.public_url} readOnly /><small>Inherited from <Link href="/admin/general">Hosting &amp; proxy</Link>. Email links update when that address changes.</small></label>
               <div className="recap-schedule-fields"><label htmlFor="recap-day">Day of the month<select id="recap-day" value={settings.day} onChange={(event) => setSettings({ ...settings, day: Number(event.target.value) })} disabled={!!busy}>{Array.from({ length: 28 }, (_, index) => <option key={index + 1} value={index + 1}>{index + 1}</option>)}</select></label><label htmlFor="recap-hour">Send time (UTC)<select id="recap-hour" value={settings.hour} onChange={(event) => setSettings({ ...settings, hour: Number(event.target.value) })} disabled={!!busy}>{Array.from({ length: 24 }, (_, hour) => <option key={hour} value={hour}>{String(hour).padStart(2, '0')}:00 UTC</option>)}</select></label></div>
               <label className="recap-checkbox"><input type="checkbox" checked={settings.enabled} disabled={!!busy} onChange={(event) => setSettings({ ...settings, enabled: event.target.checked })} /><span>Enable scheduled monthly recaps</span></label>
               <p className="recap-muted">Starting or changing the schedule begins at its next future send time. Pausing cancels queued monthly emails.</p>