feat(手机号资产关联): AUG26-009 手机号—资产关联、十项上限与后台解绑

- 新增成对迁移 000223（tb_phone_asset_association，含有效关系部分唯一索引与 down 守卫）与 000224（解绑导入任务表），不回填历史
- H5：need_bind_phone 三支判定（开关关闭完全短路）；已有主号幂等建联；十项上限按手机号 advisory 串行化（含换绑到全新号的并发场景）；换绑原子迁移与冲突整单回滚；不写遗留列
- 后台：关联列表、单项/批量解绑、CSV 导入解绑（B1–B16），超管/平台 gate + 资产数据范围复核，三态统一文案
- 读侧：卡/设备列表与详情按页一次 IN 聚合；两类导出补「关联手机号」列并保留历史表头反解兼容
- 脱敏：关联审计走独立动作/资源只写脱敏手机号；访问日志手机号类字段脱敏
- 同步主 Spec openspec/specs/phone-asset-association 并归档 AUG26-009，补齐 requirement-evidence 与入口矩阵，context-health 通过

docs/verification/context-reset/entry-capability-requirement-matrix.json

@@ -2603,7 +2603,9 @@
     "capability": "personal-customer",
     "requirements": [
       "identity-access::令牌生命周期",
-      "personal-customer::个人客户身份"
+      "personal-customer::个人客户身份",
+      "phone-asset-association::H5 验证建立关联与数量上限",
+      "phone-asset-association::H5 绑定与换绑的关联写入"
     ],
     "classification": "behavior"
   },
@@ -2613,7 +2615,8 @@
     "capability": "personal-customer",
     "requirements": [
       "identity-access::令牌生命周期",
-      "personal-customer::个人客户身份"
+      "personal-customer::个人客户身份",
+      "phone-asset-association::H5 绑定与换绑的关联写入"
     ],
     "classification": "behavior"
   },
@@ -2643,7 +2646,8 @@
     "capability": "personal-customer",
     "requirements": [
       "identity-access::令牌生命周期",
-      "personal-customer::个人客户身份"
+      "personal-customer::个人客户身份",
+      "phone-asset-association::登录提示判定"
     ],
     "classification": "behavior"
   },
@@ -2663,7 +2667,8 @@
     "capability": "personal-customer",
     "requirements": [
       "identity-access::令牌生命周期",
-      "personal-customer::个人客户身份"
+      "personal-customer::个人客户身份",
+      "phone-asset-association::登录提示判定"
     ],
     "classification": "behavior"
   },
@@ -2673,7 +2678,8 @@
     "capability": "personal-customer",
     "requirements": [
       "identity-access::令牌生命周期",
-      "personal-customer::个人客户身份"
+      "personal-customer::个人客户身份",
+      "phone-asset-association::登录提示判定"
     ],
     "classification": "behavior"
   },
@@ -3427,7 +3433,9 @@
     "entry_type": "async",
     "entry": "constants.TaskTypeDeviceImport",
     "capability": "infrastructure",
-    "requirements": [],
+    "requirements": [
+      "phone-asset-association::关联不影响换货与其他写入路径"
+    ],
     "classification": "route_index_or_infrastructure"
   },
   {
@@ -3474,7 +3482,9 @@
     "entry_type": "async",
     "entry": "constants.TaskTypeIotCardImport",
     "capability": "infrastructure",
-    "requirements": [],
+    "requirements": [
+      "phone-asset-association::关联不影响换货与其他写入路径"
+    ],
     "classification": "route_index_or_infrastructure"
   },
   {
@@ -4139,5 +4149,69 @@
       "business-user-group::店铺负责人 CSV 导入"
     ],
     "classification": "route_index_or_infrastructure"
+  },
+  {
+    "entry_type": "http",
+    "entry": "GET /api/admin/phone-asset-associations",
+    "capability": "phone-asset-association",
+    "requirements": [
+      "phone-asset-association::后台查看关联"
+    ],
+    "classification": "behavior"
+  },
+  {
+    "entry_type": "http",
+    "entry": "POST /api/admin/phone-asset-associations/batch-unbind",
+    "capability": "phone-asset-association",
+    "requirements": [
+      "phone-asset-association::后台解除关联"
+    ],
+    "classification": "behavior"
+  },
+  {
+    "entry_type": "http",
+    "entry": "POST /api/admin/phone-asset-associations/unbind-imports",
+    "capability": "phone-asset-association",
+    "requirements": [
+      "phone-asset-association::后台解除关联"
+    ],
+    "classification": "behavior"
+  },
+  {
+    "entry_type": "http",
+    "entry": "GET /api/admin/phone-asset-associations/unbind-imports",
+    "capability": "phone-asset-association",
+    "requirements": [
+      "phone-asset-association::后台解除关联"
+    ],
+    "classification": "behavior"
+  },
+  {
+    "entry_type": "http",
+    "entry": "GET /api/admin/phone-asset-associations/unbind-imports/{id}",
+    "capability": "phone-asset-association",
+    "requirements": [
+      "phone-asset-association::后台解除关联",
+      "phone-asset-association::后台查看关联"
+    ],
+    "classification": "behavior"
+  },
+  {
+    "entry_type": "http",
+    "entry": "DELETE /api/admin/phone-asset-associations/{id}",
+    "capability": "phone-asset-association",
+    "requirements": [
+      "phone-asset-association::后台解除关联"
+    ],
+    "classification": "behavior"
+  },
+  {
+    "entry_type": "async",
+    "entry": "constants.TaskTypePhoneAssetUnbindImport",
+    "capability": "phone-asset-association",
+    "requirements": [
+      "phone-asset-association::后台解除关联"
+    ],
+    "classification": "behavior"
   }
 ]