diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/support/hcs/HcsProjectSyncSupport.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/hcs/HcsProjectSyncSupport.java
new file mode 100644
index 00000000..6a162c95
--- /dev/null
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/hcs/HcsProjectSyncSupport.java
@@ -0,0 +1,309 @@
+/**
+ * BladeX Commercial License Agreement
+ * Copyright (c) 2018-2099, https://bladex.cn. All rights reserved.
+ * <p>
+ * Use of this software is governed by the Commercial License Agreement
+ * obtained after purchasing a license from BladeX.
+ * <p>
+ * 1. This software is for development use only under a valid license
+ * from BladeX.
+ * <p>
+ * 2. Redistribution of this software's source code to any third party
+ * without a commercial license is strictly prohibited.
+ * <p>
+ * 3. Licensees may copyright their own code but cannot use segments
+ * from this software for such purposes. Copyright of this software
+ * remains with BladeX.
+ * <p>
+ * Using this software signifies agreement to this License, and the software
+ * must not be used for illegal purposes.
+ * <p>
+ * THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY. The author is
+ * not liable for any claims arising from secondary or illegal development.
+ * <p>
+ * Author: Chill Zhuang (bladejava@qq.com)
+ */
+package org.springblade.transport.support.hcs;
+
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springblade.core.tool.utils.StringUtil;
+import org.springblade.hcs.config.HcsProperties;
+import org.springblade.hcs.dto.HcsBpmOperationDTO;
+import org.springblade.hcs.dto.HcsPageQueryDTO;
+import org.springblade.hcs.dto.HcsPageVO;
+import org.springblade.hcs.dto.HcsProjectAddDTO;
+import org.springblade.hcs.dto.HcsProjectFormDataDTO;
+import org.springblade.hcs.dto.HcsProjectPropsDTO;
+import org.springblade.hcs.dto.HcsProjectUpdateDTO;
+import org.springblade.hcs.dto.HcsProjectVO;
+import org.springblade.hcs.dto.HcsRefVO;
+import org.springblade.hcs.dto.HcsFormSaveVO;
+import org.springblade.hcs.dto.HcsResult;
+import org.springblade.hcs.dto.HcsSaveOptionDTO;
+import org.springblade.hcs.dto.HcsUserRefVO;
+import org.springblade.hcs.exception.HcsException;
+import org.springblade.hcs.feign.IHcsClient;
+import org.springblade.system.cache.UserCache;
+import org.springblade.system.pojo.entity.User;
+import org.springblade.transport.constant.HcsSyncConstant;
+import org.springblade.transport.mapper.ProjectApplyMapper;
+import org.springblade.transport.pojo.entity.ProjectApply;
+import org.springframework.stereotype.Component;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+/**
+ * HCS 项目立项（C102）同步支撑组件（设计文档 §5.1）
+ * <p>
+ * 触发与链路：审批通过（approved）→ C102-1 新建；变更审批通过（change_approved，hcs_fd_id 已存在）→ C102-2 更新。
+ * 推送前判重：C102-3 conditions={"fd_num": projectCode}，命中则直接回填 fdId 置 synced（跳过新建，§9-U4 查询能力联调确认）。
+ * 失败不在此回写，由调用方（HcsPushTask/手动端点）统一 {@link #markFailed} 落 failed 状态进补偿重试。
+ *
+ * @author Chill
+ */
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class HcsProjectSyncSupport {
+
+	/**
+	 * TMS 万元 → HCS 元换算倍率
+	 */
+	private static final BigDecimal WAN_TO_YUAN = BigDecimal.valueOf(10000);
+
+	private final IHcsClient hcsClient;
+	private final HcsProperties hcsProperties;
+	private final ProjectApplyMapper projectApplyMapper;
+
+	/**
+	 * 推送项目立项到 HCS：判重 → 新建（C102-1）/ 更新（C102-2）→ 回填合规 fdId 置 synced
+	 *
+	 * @param projectApply 项目立项单（approvalStatus 须为 approved/change_approved）
+	 * @return 推送结果描述（供任务汇总与 hcs_sync_msg 落库）
+	 */
+	public String pushProject(ProjectApply projectApply) {
+		// 首推先判重（C102-3），命中直接回填跳过新建；已有合规ID（变更单）走更新
+		if (StringUtil.isBlank(projectApply.getHcsFdId())) {
+			String existFdId = findExistFdId(projectApply);
+			if (StringUtil.isNotBlank(existFdId)) {
+				markSynced(projectApply, existFdId, "判重命中，回填已有合规项目ID");
+				return "判重命中，回填已有合规项目ID";
+			}
+			String fdId = addProject(projectApply);
+			markSynced(projectApply, fdId, "C102-1 项目立项新建成功");
+			return "C102-1 项目立项新建成功";
+		}
+		updateProject(projectApply);
+		markSynced(projectApply, projectApply.getHcsFdId(), "C102-2 项目立项更新成功");
+		return "C102-2 项目立项更新成功";
+	}
+
+	/**
+	 * C102-1 项目立项新建，返回合规项目 fdId
+	 */
+	private String addProject(ProjectApply projectApply) {
+		String operatorLoginName = requireLoginName(projectApply, "C102-1");
+		HcsProjectAddDTO param = new HcsProjectAddDTO();
+
+		HcsBpmOperationDTO bpmOperation = new HcsBpmOperationDTO();
+		// 操作类型：固定 drafter_submit（以起草人身份直接提交流程）
+		bpmOperation.setOperationType("drafter_submit");
+		// 【必填】立项表单模板编码：配置 thirdParty.hcs.project.template-code（环境值，§9-U9）
+		bpmOperation.setTemplateCode(requireTemplateCode());
+		param.setBpmOperation(bpmOperation);
+		// 是否校验权限：接口调用固定 false
+		param.setCheckAuth(false);
+		// 【必填】当前操作人：项目经办人登录名（§9-U2 登录名同源性联调确认）
+		param.setCurUser(HcsUserRefVO.ofLoginName(operatorLoginName));
+		param.setFormData(buildFormData(projectApply, null));
+		HcsSaveOptionDTO saveOption = new HcsSaveOptionDTO();
+		// saveDraft=false 直接提交
+		saveOption.setSaveDraft(false);
+		param.setSaveOption(saveOption);
+
+		log.info("HCS项目立项推送开始：{}（C102-1 新建）", projectApply.getProjectCode());
+		HcsResult<HcsFormSaveVO> result = hcsClient.projectAdd(param);
+		if (result == null || !result.isSuccess() || result.getData() == null || StringUtil.isBlank(result.getData().getFdId())) {
+			log.error("HCS项目立项新建失败响应：{}，projectCode={}", result == null ? "无响应" : result.getMsg(), projectApply.getProjectCode());
+			throw new HcsException("C102-1 项目立项新建失败：" + (result == null ? "响应为空" : result.getMsg()));
+		}
+		return result.getData().getFdId();
+	}
+
+	/**
+	 * C102-2 项目立项更新（入参同新建，去掉 bpmOperation/saveOption，formData.fdId 必填）
+	 */
+	private void updateProject(ProjectApply projectApply) {
+		String operatorLoginName = requireLoginName(projectApply, "C102-2");
+		HcsProjectUpdateDTO param = new HcsProjectUpdateDTO();
+		// 是否校验权限：接口调用固定 false
+		param.setCheckAuth(false);
+		// 【必填】当前操作人：项目经办人登录名
+		param.setCurUser(HcsUserRefVO.ofLoginName(operatorLoginName));
+		// 更新必须携带合规项目 fdId
+		param.setFormData(buildFormData(projectApply, projectApply.getHcsFdId()));
+
+		log.info("HCS项目立项推送开始：{}（C102-2 更新）", projectApply.getProjectCode());
+		HcsResult<Void> result = hcsClient.projectUpdate(param);
+		if (result == null || !result.isSuccess()) {
+			log.error("HCS项目立项更新失败响应：{}，projectCode={}", result == null ? "无响应" : result.getMsg(), projectApply.getProjectCode());
+			throw new HcsException("C102-2 项目立项更新失败：" + (result == null ? "响应为空" : result.getMsg()));
+		}
+	}
+
+	/**
+	 * 组装项目立项 formData（新建/更新共用，字段标注照 §3.4 规范，映射表见设计文档 §5.1）
+	 */
+	private HcsProjectFormDataDTO buildFormData(ProjectApply projectApply, String fdId) {
+		HcsProjectFormDataDTO formData = new HcsProjectFormDataDTO();
+		// 合规项目 fdId（C102-2 更新必填，C102-1 不传）
+		formData.setFdId(fdId);
+		HcsProjectPropsDTO props = new HcsProjectPropsDTO();
+		// 【必填】项目名称：ProjectApply.projectName
+		props.setFdProName(projectApply.getProjectName());
+		// 项目简称：ProjectApply.projectShortName
+		props.setFdProSimpleName(projectApply.getProjectShortName());
+		// 【必填】项目编号：ProjectApply.projectCode（判重候选键）
+		props.setFdNum(projectApply.getProjectCode());
+		// 创建单位：TMS 开题部门名称（HCS 组织 fdId 与 TMS 不同源，先传名称，§9-U2）
+		props.setFdCreatorUnit(HcsRefVO.ofName(projectApply.getBusinessDeptName()));
+		// 项目负责人：负责人登录名 {fdLoginName}（§9-U2）
+		props.setFdHead(resolveUserRef(projectApply.getPrincipalUserId()));
+		// 承接部门：TMS 承接部门名称（同 fd_creator_unit 先传名称）
+		props.setFdTakerDept(HcsRefVO.ofName(projectApply.getUndertakeDeptName()));
+		// 承接人：项目经办人登录名 {fdLoginName}
+		props.setFdTaker(resolveUserRef(projectApply.getHandlerUserId()));
+		// 付款额度：TMS fundLimit（万元）× 10000 转 HCS 元
+		props.setFdPayLimit(toYuan(projectApply.getFundLimit()));
+		// 开票额度：TMS receivableLimit（万元）× 10000 转 HCS 元
+		props.setFdOutInvoiceLimit(toYuan(projectApply.getReceivableLimit()));
+		// 项目建设内容：ProjectApply.situationRemark
+		props.setFdProContent(projectApply.getSituationRemark());
+		// 是否可用：固定 true
+		props.setFdIsAvailable(true);
+		// 可用单位列表：与创建单位一致，先传名称
+		props.setFdAvailUnits(List.of(HcsRefVO.ofName(projectApply.getBusinessDeptName())));
+		// 结算类型：TMS settlementMode 原值（字典映射待联调，§9-U3）
+		props.setFdSettlementType(projectApply.getSettlementMode());
+		// 计划保证金：TMS fundDemand（万元）× 10000 转 HCS 元（变更映射曾名"履约保证金"，语义联调确认）
+		props.setFdProPlanDeposit(toYuan(projectApply.getFundDemand()));
+		// 是否自营项目：一期固定 "1"（联调确认）
+		props.setFdIsSelfPro("1");
+		// TODO 待确认：项目收入目标 fd_pro_income_goal，TMS 无直接对应字段，一期不传（§5.1）
+		// 金蝶同步状态：固定 "1"
+		props.setFdKingdeeSyncStatus("1");
+		// 来源标识：fd_sources，配置 thirdParty.hcs.src-system（约定值 TMS，D14）
+		props.setFdSources(hcsProperties.getSrcSystem());
+		// 来源系统主键 ID：TMS 项目立项单主键（D14，对账/幂等候选键）
+		props.setFdKingdeeId(String.valueOf(projectApply.getId()));
+		// 创建人：项目经办人登录名（扫描推送无登录上下文，取单据承办人，§9-U2）
+		props.setFdCreator(resolveUserRef(projectApply.getHandlerUserId()));
+		formData.setDynamicProps(props);
+		return formData;
+	}
+
+	/**
+	 * C102-3 项目立项查询判重（conditions={"fd_num": projectCode}，§9-U4 查询能力联调确认）
+	 */
+	private String findExistFdId(ProjectApply projectApply) {
+		HcsPageQueryDTO query = new HcsPageQueryDTO();
+		// C102-3 入参 columns 用下划线字段名
+		query.setColumns(List.of("fd_id", "fd_num"));
+		// 判重条件：项目编号精确匹配
+		query.setConditions(Map.of("fd_num", Objects.toString(projectApply.getProjectCode(), "")));
+		query.setOffset(0);
+		query.setPageSize(10);
+		query.setSorts(Map.of("fd_create_time", "desc"));
+		// 查询需携带当前操作人（复用单据承办人登录名）
+		query.setCurUser(HcsUserRefVO.ofLoginName(requireLoginName(projectApply, "C102-3")));
+		HcsResult<HcsPageVO<HcsProjectVO>> result = hcsClient.projectList(query);
+		if (result == null || !result.isSuccess()) {
+			log.error("HCS项目立项判重查询失败响应：{}，projectCode={}", result == null ? "无响应" : result.getMsg(), projectApply.getProjectCode());
+			throw new HcsException("C102-3 项目立项判重查询失败：" + (result == null ? "响应为空" : result.getMsg()));
+		}
+		HcsPageVO<HcsProjectVO> page = result.getData();
+		if (page == null || page.getContent() == null || page.getContent().isEmpty()) {
+			return null;
+		}
+		return page.getContent().get(0).getFdId();
+	}
+
+	/**
+	 * 回填合规 fdId 并置 synced
+	 */
+	public void markSynced(ProjectApply projectApply, String fdId, String message) {
+		projectApply.setHcsFdId(fdId);
+		projectApply.setHcsSyncStatus(HcsSyncConstant.HCS_STATUS_SYNCED);
+		projectApply.setHcsRetryCount(0);
+		projectApply.setHcsSyncTime(LocalDateTime.now());
+		projectApply.setHcsSyncMsg(message);
+		projectApplyMapper.updateById(projectApply);
+		log.info("HCS项目立项推送成功：projectCode={}，fdId={}，{}", projectApply.getProjectCode(), fdId, message);
+	}
+
+	/**
+	 * 推送失败回写：failed + 重试次数+1 + 失败原因（供扫描任务按 hcs_retry_count < max-retry 自动补偿）
+	 */
+	public void markFailed(ProjectApply projectApply, String message) {
+		projectApply.setHcsSyncStatus(HcsSyncConstant.HCS_STATUS_FAILED);
+		projectApply.setHcsRetryCount(projectApply.getHcsRetryCount() == null ? 1 : projectApply.getHcsRetryCount() + 1);
+		projectApply.setHcsSyncTime(LocalDateTime.now());
+		projectApply.setHcsSyncMsg(message);
+		projectApplyMapper.updateById(projectApply);
+		log.error("HCS项目立项推送失败：projectCode={}，retryCount={}，{}", projectApply.getProjectCode(), projectApply.getHcsRetryCount(), message);
+	}
+
+	/**
+	 * 立项表单模板编码（未配置直接失败，提示配置项，§9-U9）
+	 */
+	private String requireTemplateCode() {
+		String templateCode = hcsProperties.getProject().getTemplateCode();
+		if (StringUtil.isBlank(templateCode)) {
+			throw new HcsException("HCS项目立项推送失败，立项表单模板编码未配置（thirdParty.hcs.project.template-code，§9-U9）");
+		}
+		return templateCode;
+	}
+
+	/**
+	 * 项目经办人登录名（curUser 必填，解析不到直接失败并提示）
+	 */
+	private String requireLoginName(ProjectApply projectApply, String scene) {
+		String loginName = resolveLoginName(projectApply.getHandlerUserId());
+		if (StringUtil.isBlank(loginName)) {
+			throw new HcsException("HCS项目立项推送失败（" + scene + "），经办人登录名解析不到（handlerUserId=" + projectApply.getHandlerUserId() + "，§9-U2）");
+		}
+		return loginName;
+	}
+
+	/**
+	 * 按用户ID 解析登录名引用（查不到返回 null，调用方按字段必填性兜底）
+	 */
+	private HcsUserRefVO resolveUserRef(Long userId) {
+		String loginName = resolveLoginName(userId);
+		return StringUtil.isBlank(loginName) ? null : HcsUserRefVO.ofLoginName(loginName);
+	}
+
+	/**
+	 * 按用户ID 解析登录名（UserCache 惯例）
+	 */
+	private String resolveLoginName(Long userId) {
+		if (userId == null) {
+			return null;
+		}
+		User user = UserCache.getUser(userId);
+		return user == null ? null : user.getAccount();
+	}
+
+	/**
+	 * TMS 万元 → HCS 元
+	 */
+	private BigDecimal toYuan(BigDecimal wanAmount) {
+		return wanAmount == null ? null : wanAmount.multiply(WAN_TO_YUAN);
+	}
+}