feat: 预计最终到期时间展示新增具体

openspec/changes/add-asset-estimated-final-expiry-display/specs/asset-information/spec.md

@@ -2,7 +2,7 @@
 
 ### Requirement: Asset Estimated Final Expiry Contract
 
-The admin asset information integration SHALL preserve `estimated_final_expires_at`, `days_until_final_expiry`, `expiry_estimate_status`, and `is_expiring` returned by `GET /api/admin/assets/resolve/{identifier}`.
+The admin asset information integration SHALL preserve the five backend fields `estimated_final_expires_at`, `days_until_final_expiry`, `expiry_estimate_status`, `expiry_estimate_status_name`, and `is_expiring` returned by `GET /api/admin/assets/resolve/{identifier}`. `estimated_final_expires_at` SHALL be an RFC3339 string or `null`, `days_until_final_expiry` SHALL be an integer or `null`, and `expiry_estimate_status` SHALL be one of `exact`, `waiting_activation`, `none`, or `invalid_data`. This requirement applies only to the admin frontend and excludes C-end asset information.
 
 #### Scenario: Preserve an exact final expiry estimate
 
@@ -11,6 +11,15 @@ The admin asset information integration SHALL preserve `estimated_final_expires_
 - **THEN** 前端状态 MUST preserve `estimated_final_expires_at` as `string | null`
 - **AND** 前端状态 MUST preserve `days_until_final_expiry` as `number | null`
 - **AND** 前端状态 MUST preserve `is_expiring` as a boolean
+- **AND** 前端状态 MUST preserve `expiry_estimate_status_name` as the backend-provided status name
+
+#### Scenario: Preserve null fields for non-exact estimates
+
+- **GIVEN** 用户查询后台资产详情
+- **WHEN** `expiry_estimate_status` is `waiting_activation`, `none`, or `invalid_data`
+- **THEN** `estimated_final_expires_at` MUST be preserved as `null`
+- **AND** `days_until_final_expiry` MUST be preserved as `null`
+- **AND** 前端 MUST NOT calculate either field
 
 #### Scenario: Preserve an unavailable final expiry estimate
 
@@ -18,6 +27,7 @@ The admin asset information integration SHALL preserve `estimated_final_expires_
 - **WHEN** 接口返回待激活或其他不可预计的 `expiry_estimate_status`
 - **THEN** 前端状态 MUST preserve `expiry_estimate_status`
 - **AND** 前端 MUST NOT derive `estimated_final_expires_at` from current-package or package-detail fields
+- **AND** 前端 MUST NOT use `expiry_estimate_status_name` as a substitute for the status enum when choosing the display rule
 
 ### Requirement: Asset Estimated Final Expiry Display
 
@@ -33,11 +43,18 @@ The admin asset information view SHALL display one asset-level field labeled `
 
 #### Scenario: Display activation-pending final expiry
 
-- **GIVEN** 资产详情返回等待激活等不可预计的 `expiry_estimate_status`
+- **GIVEN** 资产详情返回 `expiry_estimate_status=waiting_activation`
 - **WHEN** 页面渲染卡资产或设备资产基础信息
 - **THEN** `预计套餐到期时间` MUST display `待激活后起算`
 - **AND** 页面 MUST NOT display a fabricated date
 
+#### Scenario: Handle an unknown estimate status safely
+
+- **GIVEN** 资产详情返回未约定的 `expiry_estimate_status`
+- **WHEN** 页面渲染资产基础信息
+- **THEN** 页面 MUST treat the estimate as unavailable
+- **AND** 页面 MUST NOT display `estimated_final_expires_at` as a date
+
 #### Scenario: Display no-package placeholder
 
 - **GIVEN** 资产没有当前或排队主套餐
@@ -59,3 +76,11 @@ The admin asset information view SHALL display one asset-level field labeled `
 - **WHEN** 页面渲染单个套餐的到期时间
 - **THEN** 页面 MUST continue to display that package's own expiry field in the package detail context
 - **AND** 页面 MUST NOT replace it with `estimated_final_expires_at`
+
+#### Scenario: Display no-package and invalid-data statuses
+
+- **GIVEN** 资产详情返回 `expiry_estimate_status=none` 或 `expiry_estimate_status=invalid_data`
+- **WHEN** 页面渲染资产基础信息
+- **THEN** `none` MUST display a stable empty placeholder
+- **AND** `invalid_data` MUST display `数据异常`
+- **AND** 页面 MUST NOT display a fabricated date