feat: 订单创建时快照买家手机号/昵称和套餐类型

新增字段：
- tb_order: buyer_phone, buyer_nickname（个人客户下单时快照）
- tb_order_item: package_type（套餐类型快照）

后台订单列表支持按 buyer_phone 精确过滤查询。

OpenSpec: order-buyer-snapshot

internal/bootstrap/worker_stores.go

@@ -30,6 +30,8 @@ type workerStores struct {
 	AgentWalletTransaction    *postgres.AgentWalletTransactionStore
 	AssetWallet               *postgres.AssetWalletStore
 	AssetIdentifier           *postgres.AssetIdentifierStore
+	PersonalCustomer          *postgres.PersonalCustomerStore
+	PersonalCustomerPhone     *postgres.PersonalCustomerPhoneStore
 }
 
 func initWorkerStores(deps *WorkerDependencies) *queue.WorkerStores {
@@ -58,6 +60,8 @@ func initWorkerStores(deps *WorkerDependencies) *queue.WorkerStores {
 		AgentWalletTransaction:    postgres.NewAgentWalletTransactionStore(deps.DB, deps.Redis),
 		AssetWallet:               postgres.NewAssetWalletStore(deps.DB, deps.Redis),
 		AssetIdentifier:           postgres.NewAssetIdentifierStore(deps.DB),
+		PersonalCustomer:          postgres.NewPersonalCustomerStore(deps.DB, deps.Redis),
+		PersonalCustomerPhone:     postgres.NewPersonalCustomerPhoneStore(deps.DB),
 	}
 
 	return &queue.WorkerStores{
@@ -85,5 +89,7 @@ func initWorkerStores(deps *WorkerDependencies) *queue.WorkerStores {
 		AgentWalletTransaction:    stores.AgentWalletTransaction,
 		AssetWallet:               stores.AssetWallet,
 		AssetIdentifier:           stores.AssetIdentifier,
+		PersonalCustomer:          stores.PersonalCustomer,
+		PersonalCustomerPhone:     stores.PersonalCustomerPhone,
 	}
 }