diff --git a/app/Http/Controllers/Admin/PargarController.php b/app/Http/Controllers/Admin/PargarController.php
index d2fc199..0516a63 100644
--- a/app/Http/Controllers/Admin/PargarController.php
+++ b/app/Http/Controllers/Admin/PargarController.php
@@ -255,7 +255,7 @@ class PargarController extends Controller
         return response()->json($result, ($result['ok'] ?? false) ? 200 : 422);
     }
 
-    public function syncCustomerWallet($customerId)
+    public function syncCustomerWallet(Request $request, $customerId)
     {
         if (! app(ConfigService::class)->isPargarAccounting()) {
             return response()->json([
@@ -272,7 +272,8 @@ class PargarController extends Controller
             ], 422);
         }
 
-        $result = app(PargarInboundWalletService::class)->syncWalletFromPargar($customer);
+        $force = $request->boolean('force');
+        $result = app(PargarInboundWalletService::class)->syncWalletFromPargar($customer, $force);
         $appliedDocs = (int) ($result['documents']['applied'] ?? 0);
         $appliedMande = (bool) ($result['mande']['applied'] ?? false);
         $mandeMessage = (string) ($result['mande']['message'] ?? '');
@@ -285,7 +286,6 @@ class PargarController extends Controller
         } elseif ($appliedMande) {
             $message = 'ماندهٔ پرگار روی کیف اعمال شد';
         } else {
-            // فقط وقتی هیچ‌چیز اعمال نشده، پیام رد/بدون‌اختلاف مانده را نشان بده
             $message = $mandeMessage !== ''
                 ? $mandeMessage
                 : 'سند قابل‌اعمالی یافت نشد';
@@ -296,7 +296,6 @@ class PargarController extends Controller
             'message' => $message,
             'result' => $result,
         ]);
-        // همیشه ۲۰۰ — «قبلاً اعمال شده / بدون اختلاف» خطا نیست؛ فرانت خودش info می‌زند
     }
 
     private function uniqueReferralId(): string
diff --git a/app/Services/PargarInboundWalletService.php b/app/Services/PargarInboundWalletService.php
index a261f61..5426f2b 100644
--- a/app/Services/PargarInboundWalletService.php
+++ b/app/Services/PargarInboundWalletService.php
@@ -4,17 +4,24 @@ namespace App\Services;
 
 use App\Models\Customer;
 use App\Models\PargarSyncLog;
+use Illuminate\Support\Facades\Cache;
 use Illuminate\Support\Facades\Log;
 use Rooyesh\Wallet\interfaces\TransactionInterface;
 use Rooyesh\Wallet\interfaces\WalletInterface;
 
 /**
- * اعمال اسناد ورودی پرگار روی کیف اپ — سندبه‌سند، نه تعدیل bulk از mande.
+ * اعمال اسناد/ماندهٔ ورودی پرگار روی کیف اپ.
+ *
+ * دکمهٔ ادمین فقط مانده (mande) را یک‌بار تنظیم می‌کند.
+ * اسناد جدید از webhook با اثرانگشت یکتا اعمال می‌شوند — بدون replay انبوه لاگ‌های قدیمی.
  */
 class PargarInboundWalletService
 {
     public const TX_TYPE_PARGAR = 22;
 
+    /** @var array<string, true> */
+    private array $seenFingerprints = [];
+
     public function __construct(
         private readonly PargarSyncService $sync,
         private readonly WalletBroadcastService $walletBroadcast
@@ -25,7 +32,7 @@ class PargarInboundWalletService
      * @param  array<string, mixed>  $data
      * @return array{applied: int, skipped: int, errors: list<string>, logs: list<int>}
      */
-    public function applyDocuments(Customer $customer, array $data): array
+    public function applyDocuments(Customer $customer, array $data, bool $broadcast = true): array
     {
         $transactions = is_array($data['transactions'] ?? null) ? $data['transactions'] : [];
         $accountId = trim((string) ($data['accountId'] ?? ''));
@@ -41,136 +48,132 @@ class PargarInboundWalletService
             return $result;
         }
 
-        $walletApplied = false;
+        $lock = Cache::lock('pargar-wallet-apply:'.$customer->id, 60);
+        if (! $lock->get()) {
+            $result['errors'][] = 'همگام‌سازی دیگری برای این مشتری در حال اجراست';
 
-        foreach ($transactions as $tx) {
-            if (! is_array($tx)) {
-                continue;
-            }
-
-            $docId = trim((string) ($tx['docId'] ?? ''));
-            if ($docId === '') {
-                $result['skipped']++;
-                continue;
-            }
-
-            if ($this->isDocumentApplied($docId)) {
-                $result['skipped']++;
-                continue;
-            }
-
-            $goldDelta = $this->transactionGoldDelta($tx);
-            $rialDelta = $this->transactionRialDelta($tx);
-
-            if (abs($goldDelta) < 0.01 && abs($rialDelta) < 1) {
-                $result['skipped']++;
-                continue;
-            }
-
-            if ($this->isEchoOfRecentOutbound((int) $customer->id, $goldDelta, $rialDelta)) {
-                $this->recordSkippedDocument($customer, $docId, $accountId, $tx, 'echo_outbound');
-                $result['skipped']++;
-                continue;
-            }
-
-            try {
-                $this->applyTransactionDelta($customer, $tx, $goldDelta, $rialDelta);
-                $walletApplied = true;
-
-                $summary = $this->sync->summarizeInboundDocument([
-                    'accountId' => $accountId,
-                    'accountName' => $data['accountName'] ?? null,
-                    'transactions' => [$tx],
-                ]);
-
-                $log = PargarSyncLog::create([
-                    'customer_id' => $customer->id,
-                    'amount' => $summary['amount'],
-                    'desc' => $summary['desc'] !== '' ? $summary['desc'] : 'اعمال سند پرگار',
-                    'type' => PargarSyncService::TYPE_DOCUMENT,
-                    'sync_status' => PargarSyncService::STATUS_SUCCESS,
-                    'pargar_ref' => $docId,
-                    'data' => json_encode([
-                        'accountId' => $accountId,
-                        'accountName' => $data['accountName'] ?? null,
-                        'transaction' => $tx,
-                        'wallet_applied' => true,
-                        'gold_delta' => $goldDelta,
-                        'rial_delta' => $rialDelta,
-                    ], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT),
-                ]);
-
-                $result['applied']++;
-                $result['logs'][] = (int) $log->id;
-            } catch (\Throwable $e) {
-                Log::warning('Pargar inbound document apply failed', [
-                    'customer_id' => $customer->id,
-                    'doc_id' => $docId,
-                    'error' => $e->getMessage(),
-                ]);
-                $result['errors'][] = "سند {$docId}: " . $e->getMessage();
-            }
+            return $result;
         }
 
-        if ($walletApplied) {
-            $this->walletBroadcast->broadcastForCustomer(
-                (int) $customer->id,
-                (int) ($customer->type ?? 2)
-            );
+        try {
+            $walletApplied = false;
+
+            foreach ($transactions as $tx) {
+                if (! is_array($tx)) {
+                    continue;
+                }
+
+                $fingerprint = $this->transactionFingerprint($accountId, $tx);
+                if ($fingerprint === '' || $this->isFingerprintApplied($fingerprint)) {
+                    $result['skipped']++;
+                    continue;
+                }
+
+                // علامت در حافظه تا در همین درخواست دوباره نخورد
+                $this->seenFingerprints[$fingerprint] = true;
+
+                $goldDelta = $this->transactionGoldDelta($tx);
+                $rialDelta = $this->transactionRialDelta($tx);
+
+                if (abs($goldDelta) < 0.01 && abs($rialDelta) < 1) {
+                    $this->recordProcessedFingerprint($customer, $fingerprint, $accountId, $tx, false, 'zero_amount');
+                    $result['skipped']++;
+                    continue;
+                }
+
+                if ($this->isEchoOfRecentOutbound((int) $customer->id, $goldDelta, $rialDelta)) {
+                    $this->recordProcessedFingerprint($customer, $fingerprint, $accountId, $tx, false, 'echo_outbound');
+                    $result['skipped']++;
+                    continue;
+                }
+
+                try {
+                    $this->applyTransactionDelta($customer, $tx, $goldDelta, $rialDelta);
+                    $walletApplied = true;
+
+                    $summary = $this->sync->summarizeInboundDocument([
+                        'accountId' => $accountId,
+                        'accountName' => $data['accountName'] ?? null,
+                        'transactions' => [$tx],
+                    ]);
+
+                    $log = PargarSyncLog::create([
+                        'customer_id' => $customer->id,
+                        'amount' => $summary['amount'],
+                        'desc' => $summary['desc'] !== '' ? $summary['desc'] : 'اعمال سند پرگار',
+                        'type' => PargarSyncService::TYPE_DOCUMENT,
+                        'sync_status' => PargarSyncService::STATUS_SUCCESS,
+                        'pargar_ref' => $fingerprint,
+                        'data' => json_encode([
+                            'accountId' => $accountId,
+                            'accountName' => $data['accountName'] ?? null,
+                            'transaction' => $tx,
+                            'wallet_applied' => true,
+                            'fingerprint' => $fingerprint,
+                            'gold_delta' => $goldDelta,
+                            'rial_delta' => $rialDelta,
+                        ], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT),
+                    ]);
+
+                    $result['applied']++;
+                    $result['logs'][] = (int) $log->id;
+                } catch (\Throwable $e) {
+                    unset($this->seenFingerprints[$fingerprint]);
+                    Log::warning('Pargar inbound document apply failed', [
+                        'customer_id' => $customer->id,
+                        'fingerprint' => $fingerprint,
+                        'error' => $e->getMessage(),
+                    ]);
+                    $result['errors'][] = 'سند: '.$e->getMessage();
+                }
+            }
+
+            if ($walletApplied && $broadcast) {
+                $this->walletBroadcast->broadcastForCustomer(
+                    (int) $customer->id,
+                    (int) ($customer->type ?? 2)
+                );
+            }
+        } finally {
+            $lock->release();
         }
 
         return $result;
     }
 
     /**
-     * اسناد ذخیره‌شدهٔ قبلی (قبل از deploy) را از لاگ دوباره اعمال می‌کند.
+     * دکمهٔ ادمین: فقط اختلاف ماندهٔ پرگار را یک‌بار اعمال می‌کند (نه replay اسناد).
      *
-     * @return array{applied: int, skipped: int, errors: list<string>, logs: list<int>}
+     * @return array{
+     *   documents: array{applied: int, skipped: int, errors: list<string>, logs: list<int>},
+     *   mande: array{applied: bool, gold_delta?: float, rial_delta?: float, message: string}
+     * }
      */
-    public function replayStoredDocuments(Customer $customer): array
+    public function syncWalletFromPargar(Customer $customer, bool $forceMande = false): array
     {
-        $accountId = trim((string) ($customer->pargar_account_id ?? ''));
-
-        $logs = PargarSyncLog::query()
-            ->where('type', PargarSyncService::TYPE_DOCUMENT)
-            ->where(function ($q) use ($customer, $accountId) {
-                $q->where('customer_id', $customer->id);
-                if ($accountId !== '') {
-                    $q->orWhere('pargar_ref', $accountId);
-                }
-            })
-            ->orderBy('id')
-            ->get();
-
-        $total = [
-            'applied' => 0,
-            'skipped' => 0,
-            'errors' => [],
-            'logs' => [],
-        ];
-
-        foreach ($logs as $log) {
-            $data = json_decode((string) $log->data, true);
-            if (! is_array($data) || empty($data['transactions']) || ! is_array($data['transactions'])) {
-                continue;
-            }
-
-            $batch = $this->applyDocuments($customer, $data);
-            $total['applied'] += $batch['applied'];
-            $total['skipped'] += $batch['skipped'];
-            $total['errors'] = array_merge($total['errors'], $batch['errors']);
-            $total['logs'] = array_merge($total['logs'], $batch['logs']);
+        $lock = Cache::lock('pargar-wallet-sync:'.$customer->id, 90);
+        if (! $lock->get()) {
+            return [
+                'documents' => ['applied' => 0, 'skipped' => 0, 'errors' => ['همگام‌سازی در حال اجراست'], 'logs' => []],
+                'mande' => ['applied' => false, 'message' => 'همگام‌سازی دیگری برای این مشتری در حال اجراست — لطفاً صبر کنید'],
+            ];
         }
 
-        return $total;
+        try {
+            // عمداً replay اسناد قدیمی نداریم — باعث شارژ چندباره می‌شد
+            return [
+                'documents' => ['applied' => 0, 'skipped' => 0, 'errors' => [], 'logs' => []],
+                'mande' => $this->applyLatestMandeDifference($customer, force: $forceMande),
+            ];
+        } finally {
+            $lock->release();
+        }
     }
 
     /**
-     * آخرین ماندهٔ پرگار را (در صورت اختلاف) یک‌بار روی کیف اعمال می‌کند — فقط با درخواست ادمین.
-     *
      * @return array{applied: bool, gold_delta?: float, rial_delta?: float, message: string}
      */
-    public function applyLatestMandeDifference(Customer $customer): array
+    public function applyLatestMandeDifference(Customer $customer, bool $force = false): array
     {
         if ($this->hasPendingOutboundWalletSync((int) $customer->id)) {
             return [
@@ -190,7 +193,7 @@ class PargarInboundWalletService
         }
 
         $data = json_decode((string) $log->data, true) ?: [];
-        if (! empty($data['wallet_applied_from_mande'])) {
+        if (! $force && ! empty($data['wallet_applied_from_mande'])) {
             return ['applied' => false, 'message' => 'ماندهٔ پرگار قبلاً روی کیف اعمال شده است'];
         }
 
@@ -214,7 +217,7 @@ class PargarInboundWalletService
 
         $input = [
             'title' => 'تطبیق ماندهٔ پرگار',
-            'note' => 'mande-log:' . $log->id,
+            'note' => 'mande-log:'.$log->id,
             'expire_at' => now(),
             'active' => true,
         ];
@@ -236,6 +239,7 @@ class PargarInboundWalletService
         $data['wallet_applied_from_mande'] = true;
         $data['applied_gold_delta'] = $goldDiff;
         $data['applied_rial_delta'] = $rialDiff;
+        $data['applied_at'] = now()->toDateTimeString();
         $log->data = json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
         $log->desc = 'اعمال ماندهٔ پرگار روی کیف اپ';
         $log->save();
@@ -251,39 +255,79 @@ class PargarInboundWalletService
     }
 
     /**
-     * @return array{
-     *   documents: array{applied: int, skipped: int, errors: list<string>, logs: list<int>},
-     *   mande: array{applied: bool, gold_delta?: float, rial_delta?: float, message: string}
-     * }
+     * @param  array<string, mixed>  $tx
      */
-    public function syncWalletFromPargar(Customer $customer): array
+    public function transactionFingerprint(string $accountId, array $tx): string
     {
-        return [
-            'documents' => $this->replayStoredDocuments($customer),
-            'mande' => $this->applyLatestMandeDifference($customer),
+        // بدون docId — اگر پرگار هر بار شناسهٔ جدید بدهد همان مبلغ دوباره نخورد
+        $parts = [
+            $accountId,
+            trim((string) ($tx['date'] ?? '')),
+            trim((string) ($tx['docType'] ?? '')),
+            trim((string) ($tx['desc'] ?? '')),
+            $this->normalizeNumberString($tx['bedGold'] ?? 0),
+            $this->normalizeNumberString($tx['besGold'] ?? 0),
+            $this->normalizeNumberString($tx['bedRial'] ?? 0),
+            $this->normalizeNumberString($tx['besRial'] ?? 0),
         ];
+
+        return 'fp:'.hash('sha256', implode('|', $parts));
     }
 
-    public function isDocumentApplied(string $docId): bool
+    public function isFingerprintApplied(string $fingerprint): bool
     {
-        if ($docId === '') {
-            return false;
+        if ($fingerprint === '' || isset($this->seenFingerprints[$fingerprint])) {
+            return true;
         }
 
-        $logs = PargarSyncLog::query()
+        return PargarSyncLog::query()
             ->where('type', PargarSyncService::TYPE_DOCUMENT)
-            ->where('pargar_ref', $docId)
+            ->where('pargar_ref', $fingerprint)
             ->where('sync_status', PargarSyncService::STATUS_SUCCESS)
-            ->get(['data']);
+            ->exists();
+    }
 
-        foreach ($logs as $log) {
-            $data = json_decode((string) $log->data, true);
-            if (($data['wallet_applied'] ?? false) === true) {
-                return true;
-            }
+    /**
+     * @param  array<string, mixed>  $tx
+     */
+    private function recordProcessedFingerprint(
+        Customer $customer,
+        string $fingerprint,
+        string $accountId,
+        array $tx,
+        bool $walletApplied,
+        string $reason
+    ): void {
+        if ($this->isFingerprintApplied($fingerprint) && ! isset($this->seenFingerprints[$fingerprint])) {
+            return;
         }
 
-        return false;
+        // اگر فقط در حافظه است و هنوز در DB نیست، برای skipها هم رکورد بساز تا تکرار نشود
+        if (PargarSyncLog::query()
+            ->where('type', PargarSyncService::TYPE_DOCUMENT)
+            ->where('pargar_ref', $fingerprint)
+            ->exists()) {
+            return;
+        }
+
+        PargarSyncLog::create([
+            'customer_id' => $customer->id,
+            'desc' => $walletApplied
+                ? 'اعمال سند پرگار'
+                : ($reason === 'echo_outbound'
+                    ? 'سند پرگار — قبلاً از پنل ارسال شده (بدون اعمال مجدد)'
+                    : 'سند پرگار — رد شده'),
+            'type' => PargarSyncService::TYPE_DOCUMENT,
+            'sync_status' => PargarSyncService::STATUS_SUCCESS,
+            'pargar_ref' => $fingerprint,
+            'data' => json_encode([
+                'accountId' => $accountId,
+                'transaction' => $tx,
+                'wallet_applied' => $walletApplied,
+                'fingerprint' => $fingerprint,
+                'skip_reason' => $walletApplied ? null : $reason,
+            ], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT),
+        ]);
     }
 
     /**
@@ -326,10 +370,7 @@ class PargarInboundWalletService
      */
     private function transactionGoldDelta(array $tx): float
     {
-        $bes = $this->parseNumber($tx['besGold'] ?? 0);
-        $bed = $this->parseNumber($tx['bedGold'] ?? 0);
-
-        return $bes - $bed;
+        return $this->parseNumber($tx['besGold'] ?? 0) - $this->parseNumber($tx['bedGold'] ?? 0);
     }
 
     /**
@@ -337,10 +378,7 @@ class PargarInboundWalletService
      */
     private function transactionRialDelta(array $tx): float
     {
-        $bes = $this->parseNumber($tx['besRial'] ?? 0);
-        $bed = $this->parseNumber($tx['bedRial'] ?? 0);
-
-        return $bes - $bed;
+        return $this->parseNumber($tx['besRial'] ?? 0) - $this->parseNumber($tx['bedRial'] ?? 0);
     }
 
     private function isEchoOfRecentOutbound(int $customerId, float $goldDelta, float $rialDelta): bool
@@ -375,31 +413,6 @@ class PargarInboundWalletService
         return false;
     }
 
-    /**
-     * @param  array<string, mixed>  $tx
-     */
-    private function recordSkippedDocument(
-        Customer $customer,
-        string $docId,
-        string $accountId,
-        array $tx,
-        string $reason
-    ): void {
-        PargarSyncLog::create([
-            'customer_id' => $customer->id,
-            'desc' => 'سند پرگار — قبلاً از پنل ارسال شده (بدون اعمال مجدد)',
-            'type' => PargarSyncService::TYPE_DOCUMENT,
-            'sync_status' => PargarSyncService::STATUS_SUCCESS,
-            'pargar_ref' => $docId,
-            'data' => json_encode([
-                'accountId' => $accountId,
-                'transaction' => $tx,
-                'wallet_applied' => false,
-                'skip_reason' => $reason,
-            ], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT),
-        ]);
-    }
-
     private function hasPendingOutboundWalletSync(int $customerId): bool
     {
         return PargarSyncLog::query()
@@ -409,6 +422,11 @@ class PargarInboundWalletService
             ->exists();
     }
 
+    private function normalizeNumberString(mixed $value): string
+    {
+        return (string) $this->parseNumber($value);
+    }
+
     private function parseNumber(mixed $value): float
     {
         if ($value === null || $value === '') {