Initial Ladill Transfer app — file sharing with QR links.

Scaffolded from the Ladill mini/events extraction pattern: multi-file transfers,
retention controls, public landing pages, analytics, and Gitea deploy workflow.

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

app/Http/Controllers/Transfer/FilesController.php

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+<?php
+
+namespace App\Http\Controllers\Transfer;
+
+use App\Http\Controllers\Controller;
+use App\Models\Transfer;
+use App\Models\TransferFile;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+class FilesController extends Controller
+{
+    public function index(Request $request): View
+    {
+        $account = ladill_account();
+
+        $files = TransferFile::query()
+            ->whereHas('transfer', fn ($q) => $q
+                ->where('user_id', $account->id)
+                ->where('status', Transfer::STATUS_ACTIVE))
+            ->with('transfer')
+            ->latest()
+            ->paginate(30);
+
+        $storageBytes = Transfer::query()
+            ->where('user_id', $account->id)
+            ->where('status', Transfer::STATUS_ACTIVE)
+            ->sum('storage_bytes');
+
+        return view('transfer.files.index', [
+            'files' => $files,
+            'storageBytes' => (int) $storageBytes,
+            'storageGb' => round($storageBytes / (1024 * 1024 * 1024), 2),
+            'pricePerGb' => (float) config('transfer.price_per_gb_month', 1.0),
+        ]);
+    }
+}