feat(appointments): expose destination warehouse options

lastleg-service/src/main/java/com/baiyue/lastleg/appointmentplanning/AppointmentCargoService.java

@@ -35,6 +35,11 @@ public class AppointmentCargoService {
         return new PageResult<>(rows, page, size, total, (total + size - 1) / size);
     }
 
+    /** 查询下拉框与货物分页共用权威目录范围，不从当前页猜测目的仓。 */
+    public List<String> destinations() {
+        return scope().destinations().stream().distinct().sorted().toList();
+    }
+
     private record Scope(List<String> origins, List<String> destinations) { }
     private Scope scope() {
         final List<AppointmentWarehouseClient.Warehouse> catalog;

lastleg-service/src/main/java/com/baiyue/lastleg/appointmentplanning/AppointmentPlanningController.java

@@ -53,6 +53,14 @@ public class AppointmentPlanningController {
         return ApiResponse.success(new Resolved(source,result.get(0)));
     }
 
+    /** 目的仓选项沿用货物查询权限，只返回同范围的美国FBA仓码。 */
+    @GetMapping("/cargo/destinations")
+    @PreAuthorize("hasAuthority('platform:appointment:list') and hasAuthority('platform:overseas-warehouse:last-mile-order:list')")
+    public ApiResponse<java.util.List<String>> destinations(@AuthenticationPrincipal AuthenticatedUser user) {
+        requirePlatform(user);
+        return ApiResponse.success(service.destinations());
+    }
+
     @GetMapping("/cargo")
     @PreAuthorize("hasAuthority('platform:appointment:list') and hasAuthority('platform:overseas-warehouse:last-mile-order:list')")
     public ApiResponse<PageResult<AppointmentCargo>> cargo(@AuthenticationPrincipal AuthenticatedUser user,

lastleg-service/src/main/resources/openapi/appointment-planning-v1.yaml

@@ -6,6 +6,26 @@ info:
 security:
   - bearerAuth: []
 paths:
+  /api/platform/v1/last-leg/appointment-planning/cargo/destinations:
+    get:
+      operationId: listAppointmentCargoDestinations
+      summary: 读取预约货物查询的目的FBA仓选项
+      description: >-
+        仅平台；同时要求platform:appointment:list与platform:overseas-warehouse:last-mile-order:list。
+        与货物分页共用权威启用美国FBA目录，返回去重、按仓码排序的完整选项，不受货物当前分页或关键词限制。
+        不增加仓库主档读取权限；目录失败返回503，不当作空选项。
+      responses:
+        '200':
+          description: 业务响应；data为目的FBA仓码数组
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  code: {type: string}
+                  data: {type: array, items: {type: string}, example: [ABE4, ONT8]}
+        '403': {description: 非平台或缺少任一读取权限}
+        '503': {description: 权威目录不可用}
   /api/platform/v1/last-leg/appointment-planning/sources/resolve-order:
     get:
       operationId: resolveOrderAppointmentSource