Add Ladill POS v1 — register, Pay checkout, and commerce links.

Staff-facing counter register at pos.ladill.com with catalog cart, cash and
MoMo/card checkout via Ladill Pay, CRM timeline/import, invoice prefill, and
Merchant catalog import.

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

app/Http/Controllers/Pos/SettingsController.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace App\Http\Controllers\Pos;
+
+use App\Http\Controllers\Controller;
+use App\Http\Controllers\Pos\Concerns\ScopesToAccount;
+use App\Services\Import\CrmProductImportService;
+use App\Services\Import\MerchantCatalogImportService;
+use App\Services\Pos\PosLocationService;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+use RuntimeException;
+
+class SettingsController extends Controller
+{
+    use ScopesToAccount;
+
+    public function __construct(private PosLocationService $locations) {}
+
+    public function index(Request $request): View
+    {
+        $location = $this->locations->ensureDefault($this->ownerRef($request));
+
+        return view('pos.settings', [
+            'location' => $location,
+            'merchantImportEnabled' => (bool) config('pos.merchant_import_enabled', true),
+        ]);
+    }
+
+    public function update(Request $request): RedirectResponse
+    {
+        $data = $request->validate([
+            'name' => ['required', 'string', 'max:120'],
+            'currency' => ['required', 'string', 'size:3'],
+            'receipt_footer' => ['nullable', 'string', 'max:1000'],
+        ]);
+
+        $location = $this->locations->ensureDefault($this->ownerRef($request));
+        $location->update([
+            'name' => $data['name'],
+            'currency' => strtoupper($data['currency']),
+            'receipt_footer' => $data['receipt_footer'] ?? null,
+        ]);
+
+        return back()->with('success', 'Settings saved.');
+    }
+
+    public function importCrm(Request $request, CrmProductImportService $import): RedirectResponse
+    {
+        try {
+            $result = $import->import($this->ownerRef($request));
+
+            return back()->with('success', "Imported {$result['imported']} product(s), updated {$result['updated']}.");
+        } catch (RuntimeException $e) {
+            return back()->with('error', $e->getMessage());
+        }
+    }
+
+    public function importMerchant(Request $request, MerchantCatalogImportService $import): RedirectResponse
+    {
+        try {
+            $result = $import->import($this->ownerRef($request));
+
+            return back()->with('success', "Imported {$result['imported']} item(s) from {$result['storefronts']} storefront(s), updated {$result['updated']}.");
+        } catch (RuntimeException $e) {
+            return back()->with('error', $e->getMessage());
+        }
+    }
+}