feat(ops): 新增工单业务日志查询接口

- OpsOrderService/Impl: 新增 getOrderBusinessLogs，将 OpsBusinessEventLogDO
  转换为前端友好的 OpsOrderBusinessLogRespDTO（type/title/operator/status/extra）
- OpsOrderController: 新增 GET /business-logs/{orderId} 端点
- 新增 OpsOrderBusinessLogRespDTO 和 OpsOrderBusinessLogsRespDTO

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/admin/OpsOrderController.java

@@ -141,4 +141,13 @@ public class OpsOrderController {
         return success(true);
     }
 
+    @GetMapping("/business-logs/{orderId}")
+    @Operation(summary = "获取工单业务日志")
+    @Parameter(name = "orderId", description = "工单ID", required = true)
+    @PreAuthorize("@ss.hasPermission('ops:order:query')")
+    public CommonResult<OpsOrderBusinessLogsRespDTO> getOrderBusinessLogs(@PathVariable("orderId") Long orderId) {
+        OpsOrderBusinessLogsRespDTO logs = opsOrderService.getOrderBusinessLogs(orderId);
+        return success(logs);
+    }
+
 }