Reduce Transfer storage price to GHS 0.15 per GB per month.

Updates config default, env examples, and removes hardcoded GHS 1.00 copy on the dashboard.

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

app/Http/Controllers/Qr/AccountController.php

@@ -61,7 +61,7 @@ class AccountController extends Controller
 
         $storageBytes = (int) $activeTransfers->sum('storage_bytes');
         $storageGb = round($storageBytes / (1024 * 1024 * 1024), 2);
-        $pricePerGb = (float) config('transfer.price_per_gb_month', 1.0);
+        $pricePerGb = (float) config('transfer.price_per_gb_month', 0.15);
         $monthlyTotalGhs = round($activeTransfers->sum(fn (Transfer $transfer) => $transfer->monthlyCostGhs()), 2);
 
         return view('qr.account.billing', [

app/Http/Controllers/Qr/AfiaController.php

@@ -70,7 +70,7 @@ class AfiaController extends Controller
                 ->whereNotNull('expires_at')
                 ->whereBetween('expires_at', [now(), now()->addDays(7)])
                 ->count(),
-            'storage_price_per_gb_month_ghs' => number_format((float) config('transfer.price_per_gb_month', 1.0), 2),
+            'storage_price_per_gb_month_ghs' => number_format((float) config('transfer.price_per_gb_month', 0.15), 2),
         ];
 
         if ($account->public_id) {

app/Http/Controllers/Transfer/FilesController.php

@@ -31,7 +31,7 @@ class FilesController extends Controller
             'files' => $files,
             'storageBytes' => (int) $storageBytes,
             'storageGb' => round($storageBytes / (1024 * 1024 * 1024), 2),
-            'pricePerGb' => (float) config('transfer.price_per_gb_month', 1.0),
+            'pricePerGb' => (float) config('transfer.price_per_gb_month', 0.15),
         ]);
     }
 }

app/Http/Controllers/Transfer/OverviewController.php

@@ -61,7 +61,7 @@ class OverviewController extends Controller
         }
 
         $storageGb = round($storageBytes / (1024 * 1024 * 1024), 2);
-        $monthlyEstimateGhs = round($storageGb * (float) config('transfer.price_per_gb_month', 1.0), 2);
+        $monthlyEstimateGhs = round($storageGb * (float) config('transfer.price_per_gb_month', 0.15), 2);
 
         return view('transfer.dashboard', [
             'activeCount' => $activeCount,

app/Http/Controllers/Transfer/TransferController.php

@@ -42,7 +42,7 @@ class TransferController extends Controller
         return view('transfer.transfers.create', [
             'defaultRetentionDays' => (int) config('transfer.default_retention_days', 30),
             'maxFiles' => (int) config('transfer.max_files_per_transfer', 20),
-            'pricePerGb' => (float) config('transfer.price_per_gb_month', 1.0),
+            'pricePerGb' => (float) config('transfer.price_per_gb_month', 0.15),
         ]);
     }