feat(platform-orders): 支持支付回执留痕（meta.payment_receipts）

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -302,6 +302,24 @@ class PlatformOrderController extends Controller
         $order->paid_at = $order->paid_at ?: $now;
         $order->activated_at = $order->activated_at ?: $now;
         $order->paid_amount = $order->paid_amount > 0 ? $order->paid_amount : $order->payable_amount;
+
+        // 兼容：若尚未写入“支付回执”，则自动补一条（可治理）
+        $meta = (array) ($order->meta ?? []);
+        $receipts = (array) (data_get($meta, 'payment_receipts', []) ?? []);
+        if (count($receipts) === 0) {
+            $receipts[] = [
+                'type' => 'manual_mark_paid',
+                'channel' => (string) ($order->payment_channel ?? ''),
+                'amount' => (float) $order->paid_amount,
+                'paid_at' => $order->paid_at ? $order->paid_at->format('Y-m-d H:i:s') : $now->toDateTimeString(),
+                'note' => '由【标记支付并生效】自动补记（可治理）',
+                'created_at' => $now->toDateTimeString(),
+                'admin_id' => $admin->id,
+            ];
+            data_set($meta, 'payment_receipts', $receipts);
+            $order->meta = $meta;
+        }
+
         $order->save();
 
         // 立刻同步订阅
@@ -328,6 +346,40 @@ class PlatformOrderController extends Controller
         return redirect()->back()->with('success', '订单已标记支付并生效，订阅已同步：' . $subscription->subscription_no);
     }
 
+    public function addPaymentReceipt(Request $request, PlatformOrder $order): RedirectResponse
+    {
+        $admin = $this->ensurePlatformAdmin($request);
+
+        $data = $request->validate([
+            'type' => ['required', 'string', 'max:30'],
+            'channel' => ['nullable', 'string', 'max:30'],
+            'amount' => ['required', 'numeric', 'min:0'],
+            'paid_at' => ['nullable', 'date'],
+            'note' => ['nullable', 'string', 'max:2000'],
+        ]);
+
+        $now = now();
+
+        $meta = (array) ($order->meta ?? []);
+        $receipts = (array) (data_get($meta, 'payment_receipts', []) ?? []);
+
+        $receipts[] = [
+            'type' => (string) $data['type'],
+            'channel' => (string) ($data['channel'] ?? ''),
+            'amount' => (float) $data['amount'],
+            'paid_at' => $data['paid_at'] ? (string) $data['paid_at'] : null,
+            'note' => (string) ($data['note'] ?? ''),
+            'created_at' => $now->toDateTimeString(),
+            'admin_id' => $admin->id,
+        ];
+
+        data_set($meta, 'payment_receipts', $receipts);
+        $order->meta = $meta;
+        $order->save();
+
+        return redirect()->back()->with('success', '已追加支付回执记录（仅用于对账留痕，不自动改状态）。');
+    }
+
     public function markActivated(Request $request, PlatformOrder $order): RedirectResponse
     {
         $admin = $this->ensurePlatformAdmin($request);