feat(server): 事项服务承诺字段 + 匿名指南接口 + hall 用户面开匿名

- service_item 加 7 列（协办部门/经办人/办理时段/跑动次数/快递/收费标准+依据）
- /api/hall/items 出参补 applyUrl 与承诺字段
- 新增 GET /api/hall/item（匿名，指南详情）
- url-pattern 收窄至写入面，/api/hall/** 匿名只读
- url-pattern 另补 /api/base/*（契约 §1 表格未列，页头用户信息与左侧菜单必须 CAS 会话）

src/main/java/com/yunhai/svchall/service/impl/ServiceItemService.java

@@ -8,6 +8,7 @@ import com.yunhai.svchall.entity.ServiceItem;
 import com.yunhai.svchall.enums.HandleModeEnum;
 import com.yunhai.svchall.enums.ServiceDictTypeEnum;
 import com.yunhai.svchall.enums.ServiceItemStatusEnum;
+import com.yunhai.svchall.model.hall.HallModels;
 import com.yunhai.svchall.model.oapi.OapiModels;
 import com.yunhai.svchall.model.svc.SvcModels.DeleteRequest;
 import com.yunhai.svchall.model.svc.SvcModels.IdSortItem;
@@ -389,11 +390,82 @@ public class ServiceItemService {
             row.setHandleMode(item.getHandleMode());
             row.setOnlineFlag(item.getOnlineFlag());
             row.setPublishTime(item.getPublishTime());
+            // 一期契约 §3.1 追加字段：纯文本/数字，不做地址绝对化（coverImage 才是路径）
+            row.setApplyUrl(item.getApplyUrl());
+            row.setPromiseTimeLimit(item.getPromiseTimeLimit());
+            row.setHandleTimeLimit(item.getHandleTimeLimit());
+            row.setRunCount(item.getRunCount());
+            row.setExpressFlag(item.getExpressFlag());
+            row.setCoopDepts(item.getCoopDepts());
+            row.setHandlerName(item.getHandlerName());
+            row.setHandleTimeDesc(item.getHandleTimeDesc());
+            row.setFeeDesc(item.getFeeDesc());
+            row.setFeeBasis(item.getFeeBasis());
             data.getItems().add(row);
         }
         return data;
     }
 
+    // ===== 用户面事项指南（/api/hall/item，D7 匿名只读）=====
+
+    /**
+     * 匿名事项指南（一期契约 §3.2）：siteCode + itemCode 均必填，只返回已发布事项。
+     * 租户由 siteCode 经站点目录解析（游客无 BoaUser，不做成员校验——匿名只读，权限面即 siteCode 本身）；
+     * 出参刻意不含 formCode/flowGuid 与任何办件人/办件量信息（§1 匿名端点约束）。
+     */
+    public HallModels.ItemGuideVo hallItemGuide(String siteCode, String itemCode) {
+        if (!StringUtils.hasText(siteCode) || !StringUtils.hasText(itemCode)) {
+            throw new BizException(ErrorCode.PARAM_ERROR, "siteCode 与 itemCode 均为必填");
+        }
+        SiteInfo site = siteDirectory.requireSite(siteCode.trim());
+        ServiceItem item = itemRepository
+                .findBySchIdAndSiteCodeAndItemCode(site.getSchId(), site.getSiteCode(), itemCode.trim())
+                .orElse(null);
+        if (item == null || item.getStatus() == null
+                || item.getStatus() != ServiceItemStatusEnum.PUBLISHED.getCode()) {
+            throw new BizException(ErrorCode.PARAM_ERROR, "事项不存在或未发布");
+        }
+        HallModels.ItemGuideVo vo = new HallModels.ItemGuideVo();
+        vo.setId(item.getId());
+        vo.setItemCode(item.getItemCode());
+        vo.setTitle(item.getTitle());
+        vo.setSummary(item.getSummary());
+        vo.setObjectKey(item.getObjectKey());
+        vo.setCategoryKey(item.getCategoryKey());
+        vo.setCategoryName(item.getCategoryKey() == null ? null
+                : dictService.nameMap(site.getSchId(), site.getSiteCode(), ServiceDictTypeEnum.CATEGORY)
+                        .get(item.getCategoryKey()));
+        vo.setDeptName(item.getDeptName());
+        vo.setHandleMode(item.getHandleMode());
+        vo.setOnlineFlag(item.getOnlineFlag());
+        vo.setApplyUrl(item.getApplyUrl());
+        vo.setHandlePlace(item.getHandlePlace());
+        vo.setHandleTimeLimit(item.getHandleTimeLimit());
+        vo.setPromiseTimeLimit(item.getPromiseTimeLimit());
+        vo.setContactPhone(item.getContactPhone());
+        vo.setSupervisePhone(item.getSupervisePhone());
+        vo.setCoverImage(FileUtil.absolutizePlain(item.getCoverImage()));
+        vo.setViewCount(item.getViewCount());
+        vo.setCoopDepts(item.getCoopDepts());
+        vo.setHandlerName(item.getHandlerName());
+        vo.setHandleTimeDesc(item.getHandleTimeDesc());
+        vo.setRunCount(item.getRunCount());
+        vo.setExpressFlag(item.getExpressFlag());
+        vo.setFeeDesc(item.getFeeDesc());
+        vo.setFeeBasis(item.getFeeBasis());
+        vo.setProcessHtml(FileUtil.absolutize(item.getProcessHtml()));
+        vo.setMaterialHtml(FileUtil.absolutize(item.getMaterialHtml()));
+        vo.setNoticeHtml(FileUtil.absolutize(item.getNoticeHtml()));
+        for (SvcItemAttachmentVo a : attachmentService.guideAttachments(site.getSchId(), item.getId())) {
+            HallModels.Attachment attachment = new HallModels.Attachment();
+            attachment.setFileName(a.getFileName());
+            attachment.setFileUrl(FileUtil.absolutizePlain(a.getFileUrl()));
+            attachment.setFileSize(a.getFileSize());
+            vo.getAttachments().add(attachment);
+        }
+        return vo;
+    }
+
     public OapiModels.Filters oapiFilters(Long schId, String siteCode) {
         OapiModels.Filters filters = new OapiModels.Filters();
         Map<String, Long> objectCounts = countMap(itemRepository.countPublishedGroupByObjectKey(schId, siteCode));