退款治理：支持标记部分退款/已支付以回退退款状态

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -613,6 +613,72 @@ class PlatformOrderController extends Controller
         return redirect()->back()->with('success', '已将订单支付状态标记为已退款（未自动写入退款回执）。');
     }
 
+    public function markPartiallyRefunded(Request $request, PlatformOrder $order): RedirectResponse
+    {
+        $admin = $this->ensurePlatformAdmin($request);
+
+        if ((float) ($order->paid_amount ?? 0) <= 0) {
+            return redirect()->back()->with('warning', '当前订单已付金额为 0，无法标记为部分退款。');
+        }
+
+        if ((string) $order->payment_status === 'partially_refunded') {
+            return redirect()->back()->with('warning', '当前订单已是部分退款状态，无需重复操作。');
+        }
+
+        $now = now();
+        $order->payment_status = 'partially_refunded';
+        $order->refunded_at = $order->refunded_at ?: $now;
+
+        $meta = (array) ($order->meta ?? []);
+        $audit = (array) (data_get($meta, 'audit', []) ?? []);
+        $audit[] = [
+            'action' => 'mark_partially_refunded',
+            'scope' => 'single',
+            'at' => $now->toDateTimeString(),
+            'admin_id' => $admin->id,
+            'note' => '手动标记为部分退款（仅修正支付状态，不自动写退款回执）',
+        ];
+        data_set($meta, 'audit', $audit);
+
+        $order->meta = $meta;
+        $order->save();
+
+        return redirect()->back()->with('success', '已将订单支付状态标记为部分退款（未自动写入退款回执）。');
+    }
+
+    public function markPaidStatus(Request $request, PlatformOrder $order): RedirectResponse
+    {
+        $admin = $this->ensurePlatformAdmin($request);
+
+        if ((float) ($order->paid_amount ?? 0) <= 0) {
+            return redirect()->back()->with('warning', '当前订单已付金额为 0，无法标记为已支付。');
+        }
+
+        if ((string) $order->payment_status === 'paid') {
+            return redirect()->back()->with('warning', '当前订单已是已支付状态，无需重复操作。');
+        }
+
+        $now = now();
+        $order->payment_status = 'paid';
+        // paid 状态不强依赖 refunded_at，这里不做清空，避免丢历史痕迹
+
+        $meta = (array) ($order->meta ?? []);
+        $audit = (array) (data_get($meta, 'audit', []) ?? []);
+        $audit[] = [
+            'action' => 'mark_paid_status',
+            'scope' => 'single',
+            'at' => $now->toDateTimeString(),
+            'admin_id' => $admin->id,
+            'note' => '手动标记为已支付（仅修正支付状态，不自动写回执/退款回执）',
+        ];
+        data_set($meta, 'audit', $audit);
+
+        $order->meta = $meta;
+        $order->save();
+
+        return redirect()->back()->with('success', '已将订单支付状态标记为已支付（未自动写入回执/退款回执）。');
+    }
+
     public function markActivated(Request $request, PlatformOrder $order): RedirectResponse
     {
         $admin = $this->ensurePlatformAdmin($request);