refactor(ops,iot): 重构区域设备关联模块并添加Redis缓存

主要变更：
1. 将 ops_area_device_relation 表所有权移至 Ops 模块
   - 新增 OpsAreaDeviceRelationDO、Mapper、Service、Controller
   - 新增 AreaDeviceApi Feign 接口供其他模块调用
   - ���除 IoT 模块中的旧 DO 和 Mapper

2. 实现 Redis JSON 缓存（IoT 可读）
   - 统一缓存 Key: ops:area:device:{deviceId}
   - 统一缓存 Key: ops:area:{areaId}:type:{relationType}
   - TTL: 30分钟，空值缓存: 1分钟

3. IoT 模块通过 Feign 调用 Ops
   - 优先读 Redis 缓存，未命中时调用 Ops API
   - 缓存由 Ops 模块统一管理

4. 删除 IoT 模块废弃文件
   - OpsAreaDeviceRelationDO.java
   - OpsAreaDeviceRelationMapper.java

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

viewsh-module-ops/viewsh-module-ops-server/src/main/java/com/viewsh/module/ops/controller/area/AreaDeviceController.java

@@ -0,0 +1,73 @@
+package com.viewsh.module.ops.controller.area;
+
+import com.viewsh.framework.common.pojo.CommonResult;
+import com.viewsh.framework.common.util.object.BeanUtils;
+import com.viewsh.module.ops.api.area.AreaDeviceDTO;
+import com.viewsh.module.ops.api.area.DeviceRelationDTO;
+import com.viewsh.module.ops.dal.dataobject.area.OpsAreaDeviceRelationDO;
+import com.viewsh.module.ops.service.area.AreaDeviceService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.validation.Valid;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+import static com.viewsh.framework.common.pojo.CommonResult.success;
+
+/**
+ * 区域设备关联 Controller
+ * <p>
+ * 提供 RPC 接口供其他模块（如 IoT 模块）查询区域设备关联关系
+ *
+ * @author lzh
+ */
+@Tag(name = "RPC 服务 - 区域设备关联")
+@Slf4j
+@RestController
+@RequestMapping("/ops-api/area-device")
+@Validated
+public class AreaDeviceController {
+
+    @Resource
+    private AreaDeviceService areaDeviceService;
+
+    @GetMapping("/{areaId}/badges")
+    @Operation(summary = "查询区域的工牌设备列表")
+    public CommonResult<List<AreaDeviceDTO>> getBadgesByArea(
+            @PathVariable("areaId") Long areaId) {
+        List<OpsAreaDeviceRelationDO> relations = areaDeviceService.listByAreaIdAndType(areaId, "BADGE");
+        return success(BeanUtils.toBean(relations, AreaDeviceDTO.class));
+    }
+
+    @GetMapping("/{areaId}/devices")
+    @Operation(summary = "查询区域设备列表（按类型）")
+    public CommonResult<List<AreaDeviceDTO>> getDevicesByAreaAndType(
+            @PathVariable("areaId") Long areaId,
+            @RequestParam("relationType") String relationType) {
+        List<OpsAreaDeviceRelationDO> relations = areaDeviceService.listByAreaIdAndType(areaId, relationType);
+        return success(BeanUtils.toBean(relations, AreaDeviceDTO.class));
+    }
+
+    @GetMapping("/device/{deviceId}/relation")
+    @Operation(summary = "查询设备的关联关系")
+    public CommonResult<DeviceRelationDTO> getDeviceRelation(
+            @PathVariable("deviceId") Long deviceId) {
+        OpsAreaDeviceRelationDO relation = areaDeviceService.getByDeviceId(deviceId);
+        return success(BeanUtils.toBean(relation, DeviceRelationDTO.class));
+    }
+
+    @GetMapping("/device/{deviceId}/full-relation")
+    @Operation(summary = "查询设备的完整关联关系（包含集成配置）")
+    public CommonResult<DeviceRelationDTO> getDeviceRelationWithConfig(
+            @PathVariable("deviceId") Long deviceId) {
+        OpsAreaDeviceRelationDO relation = areaDeviceService.getByDeviceId(deviceId);
+        DeviceRelationDTO dto = BeanUtils.toBean(relation, DeviceRelationDTO.class);
+        // BeanUtils 会自动复制 configData Map 字段
+        return success(dto);
+    }
+}