Add optional owner gateway routing to Give.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/give/settings.blade.php

@@ -56,6 +56,32 @@
                 </label>
             </div>
 
+            <div class="rounded-2xl border border-slate-200 bg-white p-5 space-y-4">
+                <div>
+                    <h2 class="text-sm font-semibold text-slate-900">Donor payment engine</h2>
+                    <p class="mt-1 text-xs text-slate-500">Ladill Pay is recommended, zero-config, and selected by default.</p>
+                </div>
+                <p class="rounded-lg bg-emerald-50 px-3 py-2 text-sm text-emerald-800">Ladill Pay remains the safe fallback and requires no owner keys.</p>
+                @if ($canUsePaymentGateway ?? false)
+                    <select name="gateway_provider" class="w-full rounded-lg border-slate-200 text-sm">
+                        <option value="">Ladill Pay (recommended)</option>
+                        <option value="paystack" @selected(old('gateway_provider', $gateway?->is_active ? $gateway?->provider : '') === 'paystack')>My Paystack account</option>
+                    </select>
+                    <div class="grid gap-3 sm:grid-cols-2">
+                        <input name="gateway_public_key" placeholder="{{ $gateway?->public_key ? 'Public key saved — leave blank to keep' : 'pk_live_…' }}" class="rounded-lg border-slate-200 text-sm">
+                        <input type="password" name="gateway_secret_key" autocomplete="new-password" placeholder="{{ $gateway?->secret_key ? 'Secret saved — leave blank to keep' : 'sk_live_…' }}" class="rounded-lg border-slate-200 text-sm">
+                    </div>
+                    <label class="flex items-center gap-2 text-sm text-slate-700">
+                        <input type="hidden" name="gateway_is_active" value="0">
+                        <input type="checkbox" name="gateway_is_active" value="1" @checked(old('gateway_is_active', $gateway?->is_active ?? false)) class="rounded border-slate-300 text-indigo-600">
+                        Use my Paystack account
+                    </label>
+                    <p class="text-xs text-slate-500">Optional. Invalid or incomplete keys automatically fall back to Ladill Pay.</p>
+                @else
+                    <p class="rounded-lg bg-indigo-50 px-3 py-2 text-sm text-indigo-800">Free uses Ladill Pay only. Pro and higher plans may optionally connect owner Paystack.</p>
+                @endif
+            </div>
+
             <button type="submit" class="btn-primary">
                 Save settings
             </button>