修复生产商地址受控展示

在平台管理列表、详情和编辑场景中恢复生产商自身企业地址，同时保留全局敏感字段保护。未填写地址时统一显示为‘未填写’，并补充单元测试、操作日志和项目文档。

backend/api/internal/logic/platform/product/producer.go

@@ -37,8 +37,65 @@ type producerAccountUpdateRequest struct {
 	Remark      string `json:"remark"`
 }
 
-func ListProducerAccount(ctx *gin.Context) { common.ListResource(ctx, &models.ProducerAccount{}) }
-func GetProducerAccount(ctx *gin.Context)  { common.GetResource(ctx, &models.ProducerAccount{}) }
+// ListProducerAccount 查询生产商分页列表，并向已鉴权的平台管理端恢复企业地址。
+func ListProducerAccount(ctx *gin.Context) {
+	page, size := common.PageSize(ctx)
+	var list []models.ProducerAccount
+	var total int64
+	query := common.ApplyKeywordFilter(ctx, common.ActiveRecords(impl.DBService.Model(&models.ProducerAccount{})), &models.ProducerAccount{})
+	if err := query.Count(&total).Error; err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	if err := query.Order("created_at desc").Offset((page - 1) * size).Limit(size).Find(&list).Error; err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	response, err := common.PublicResourceResponse(list)
+	if err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	// 先执行全局敏感字段保护，再仅为本管理资源恢复生产商自身地址。
+	protected := common.ProtectPreciseLocation(ctx, &models.ProducerAccount{}, response)
+	infra.Response.Success(ctx, gin.H{"total": total, "list": restoreProducerAccountAddresses(protected, list)})
+}
+
+// GetProducerAccount 查询单个生产商，并返回详情及编辑表单所需的企业地址。
+func GetProducerAccount(ctx *gin.Context) {
+	var producer models.ProducerAccount
+	if err := common.ActiveRecords(impl.DBService).Where("identity = ?", ctx.Param("identity")).First(&producer).Error; err != nil {
+		common.RespondRecordError(ctx, err)
+		return
+	}
+	response, err := common.PublicResourceResponse(producer)
+	if err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	protected := common.ProtectPreciseLocation(ctx, &models.ProducerAccount{}, response)
+	infra.Response.Success(ctx, restoreProducerAccountAddresses(protected, []models.ProducerAccount{producer}))
+}
+
+// restoreProducerAccountAddresses 将已鉴权生产商记录的企业地址恢复到安全响应中。
+func restoreProducerAccountAddresses(response any, producers []models.ProducerAccount) any {
+	switch data := response.(type) {
+	case []any:
+		for index, item := range data {
+			if index >= len(producers) {
+				break
+			}
+			if record, ok := item.(map[string]any); ok {
+				record["address"] = producers[index].Address
+			}
+		}
+	case map[string]any:
+		if len(producers) > 0 {
+			data["address"] = producers[0].Address
+		}
+	}
+	return response
+}
 
 func CreateProducerAccount(ctx *gin.Context) {
 	var request producerAccountCreateRequest

backend/api/internal/logic/platform/product/producer_test.go

@@ -0,0 +1,50 @@
+package product
+
+// 功能描述：验证生产商管理响应仅恢复生产商自身的企业地址。
+// 版本：v1.0
+
+import (
+	"testing"
+
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/models"
+)
+
+// TestRestoreProducerAccountAddresses 验证生产商列表按原顺序恢复企业地址。
+func TestRestoreProducerAccountAddresses(t *testing.T) {
+	response := []any{
+		map[string]any{"identity": "producer-1"},
+		map[string]any{"identity": "producer-2"},
+	}
+	producers := []models.ProducerAccount{
+		{Address: "上海市浦东新区生产路 1 号"},
+		{Address: "上海市闵行区生产路 2 号"},
+	}
+
+	restored := restoreProducerAccountAddresses(response, producers).([]any)
+	for index, producer := range producers {
+		if restored[index].(map[string]any)["address"] != producer.Address {
+			t.Fatalf("第 %d 条生产商地址未正确恢复：%#v", index+1, restored[index])
+		}
+	}
+}
+
+// TestRestoreProducerAccountAddress 验证生产商详情恢复编辑所需的企业地址。
+func TestRestoreProducerAccountAddress(t *testing.T) {
+	response := map[string]any{"identity": "producer-1"}
+	producer := models.ProducerAccount{Address: "上海市徐汇区生产路 18 号"}
+
+	restored := restoreProducerAccountAddresses(response, []models.ProducerAccount{producer}).(map[string]any)
+	if restored["address"] != producer.Address {
+		t.Fatalf("生产商详情地址未正确恢复：%#v", restored)
+	}
+}
+
+// TestRestoreProducerAccountEmptyAddress 验证未填写地址时保留空值，由前端显示“未填写”。
+func TestRestoreProducerAccountEmptyAddress(t *testing.T) {
+	response := map[string]any{"identity": "producer-1"}
+
+	restored := restoreProducerAccountAddresses(response, []models.ProducerAccount{{}}).(map[string]any)
+	if restored["address"] != "" {
+		t.Fatalf("未填写地址应保留空值：%#v", restored)
+	}
+}