feat: 切换 schema dump 基线并增强返点结算与管理校验

app/Services/AgentSettlement/AgentSettlementBillGuard.php

@@ -56,6 +56,20 @@ final class AgentSettlementBillGuard
     public function markConfirmed(int $billId): void
     {
         $this->assertPeriodMutable($billId);
+        $bill = DB::table('settlement_bills')->where('id', $billId)->first();
+        if ($bill === null) {
+            throw new \InvalidArgumentException('bill_not_found');
+        }
+
+        if ((string) $bill->status === 'confirmed') {
+            return;
+        }
+
+        if ((string) $bill->status !== 'pending_confirm') {
+            throw ValidationException::withMessages([
+                'bill' => ['not_confirmable'],
+            ]);
+        }
 
         DB::table('settlement_bills')->where('id', $billId)->update([
             'status' => 'confirmed',