feat(admin): 客服手动录单支持平台与操作人，并可后台配置可选项

- 录单列表新增「平台」「操作人」两列，录单表单与编辑弹窗新增同名字段下拉
- 新增 cs_manual_entry_options 表与 4 个接口（读取/新增/重命名/删除），页面右上角弹窗维护平台与操作人
- 迁移 000087：cs_manual_entries 增加 platform/operator 列与索引，注册 cs_manual_entry:option_manage 权限并授予 ops/super_admin
- 记录保存名称快照，删除选项不影响历史记录；同类型重名返回 409，跨类型同名允许
- 顶部关键词查询支持命中平台/操作人
- 新增单测：选项 CRUD 边界与录单平台/操作人读写

frontend/src/features/admin/views/AdminManualEntryView.css

@@ -13,6 +13,12 @@
   margin-top: 20px;
 }
 
+.page-header-actions {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
 .manual-entry-form-head {
   display: flex;
   align-items: baseline;
@@ -34,19 +40,22 @@
 
 .manual-entry-form-grid {
   display: grid;
-  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
   gap: 16px;
-  align-items: end;
 }
 
 .manual-entry-form-grid :deep(.el-form-item) {
   margin-bottom: 0;
 }
 
-.manual-entry-submit {
+.full-control {
+  width: 100%;
+}
+
+.manual-entry-submit-row {
   display: flex;
-  align-items: center;
-  height: 32px;
+  justify-content: flex-end;
+  margin-top: 18px;
 }
 
 .manual-entry-filter-row {
@@ -62,7 +71,7 @@
 }
 
 .filter-keyword {
-  width: 260px;
+  width: 320px;
 }
 
 .filter-date {
@@ -76,8 +85,87 @@
   color: #1e3a8a;
 }
 
+/* 平台 / 操作人配置弹窗 */
+.option-config-tip {
+  margin: 0 0 16px;
+  font-size: 12px;
+  color: #94a3b8;
+}
+
+.option-config-grid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 20px;
+}
+
+.option-config-panel {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  padding: 16px;
+  border: 1px solid #e2e8f0;
+  border-radius: 12px;
+  background: #f8fafc;
+}
+
+.option-config-title {
+  font-size: 14px;
+  font-weight: 700;
+  color: #1e293b;
+}
+
+.option-config-add {
+  display: flex;
+  gap: 8px;
+}
+
+.option-config-list {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+  max-height: 320px;
+  overflow-y: auto;
+}
+
+.option-config-list li {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  padding: 6px 10px;
+  border-radius: 8px;
+  background: #ffffff;
+  border: 1px solid #e2e8f0;
+}
+
+.option-config-name {
+  font-size: 13px;
+  color: #0f172a;
+  word-break: break-all;
+}
+
+.option-config-actions {
+  display: inline-flex;
+  align-items: center;
+  flex-shrink: 0;
+}
+
+.option-config-actions :deep(.el-button) {
+  margin: 0;
+}
+
+.option-config-empty {
+  margin: 0;
+  font-size: 12px;
+  color: #94a3b8;
+}
+
 @media (max-width: 1100px) {
-  .manual-entry-form-grid {
+  .manual-entry-form-grid,
+  .option-config-grid {
     grid-template-columns: 1fr;
   }
 }