fix: 特批附件展示行url补/api代理前缀并改为仅下载

预览失败根因：展示行相对路径缺前端代理前缀/api，浏览器请求落在前端SPA路由返回index.html；实测 /api/blade-transport/hcs/attachment/download 已返回真实文件流；按需求去掉inline内嵌预览逻辑（删除inline参数与pdf分支），固定attachment下载；展示行url改为 /api 前缀路径式文件名

blade-service/blade-transport/src/main/java/org/springblade/transport/controller/HcsSyncController.java

@@ -264,13 +264,10 @@ public class HcsSyncController {
 	@Operation(summary = "合规附件下载", description = "C103-5 代理：按合规附件ID 下载文件流，name 参数可选用于指定下载文件名，inline=true 时内嵌预览（pdf 浏览器直接打开）")
 	public void downloadAttachment(@Parameter(description = "合规附件ID", required = true) @RequestParam String fdId,
 								   @Parameter(description = "下载文件名（可选）") @RequestParam(required = false) String name,
-								   @Parameter(description = "内嵌预览（可选，pdf 在线查看）") @RequestParam(required = false) Boolean inline,
 								   HttpServletResponse response) throws Exception {
 		String fileName = StringUtil.isBlank(name) ? "hcs-attachment-" + fdId : name;
-		// 内嵌预览：inline + 真实类型浏览器直接打开（pdf 在线查看），默认 attachment 走下载
-		boolean preview = Boolean.TRUE.equals(inline) && fileName.toLowerCase().endsWith(".pdf");
-		response.setContentType(preview ? "application/pdf" : MediaType.APPLICATION_OCTET_STREAM_VALUE);
-		response.setHeader("Content-Disposition", (preview ? "inline" : "attachment") + "; filename*=UTF-8''"
+		response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
+		response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''"
 			+ URLEncoder.encode(fileName, StandardCharsets.UTF_8).replace("+", "%20"));
 		try (Response hcsResponse = hcsAttachmentSupport.downloadRaw(fdId);
 			 InputStream inputStream = hcsResponse.body().asInputStream();
@@ -281,17 +278,16 @@ public class HcsSyncController {
 	}
 
 	/**
-	 * 合同附件下载（路径式文件名，url 以 .pdf 等后缀结尾）：前端附件组件按 url 路径后缀识别可否预览，
-	 * query 传 fdId 与 inline；行为与 /attachment/download 完全一致
+	 * 合同附件下载（路径式文件名，url 以 .pdf 等后缀结尾）：前端附件组件按 url 路径后缀识别附件类型，
+	 * query 传 fdId；行为与 /attachment/download 完全一致，强制下载不做内嵌预览
 	 */
 	@GetMapping("/attachment/download/{name}")
 	@ApiOperationSupport(order = 12)
-	@Operation(summary = "合规附件下载（路径式文件名）", description = "C103-5 代理：路径携带文件名（含后缀，前端预览识别用），fdId 必传，inline=true 时内嵌预览")
+	@Operation(summary = "合规附件下载（路径式文件名）", description = "C103-5 代理：路径携带文件名（含后缀，前端附件类型识别用），fdId 必传，文件流 attachment 下载")
 	public void downloadAttachmentWithPath(@Parameter(description = "下载文件名（含后缀）", required = true) @PathVariable String name,
 										   @Parameter(description = "合规附件ID", required = true) @RequestParam String fdId,
-										   @Parameter(description = "内嵌预览（可选，pdf 在线查看）") @RequestParam(required = false) Boolean inline,
 										   HttpServletResponse response) throws Exception {
-		this.downloadAttachment(fdId, name, inline, response);
+		this.downloadAttachment(fdId, name, response);
 	}
 
 	/**

blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/PaymentApplicationServiceImpl.java

@@ -610,11 +610,10 @@ public class PaymentApplicationServiceImpl extends BaseServiceImpl<PaymentApplic
 			Map<String, Object> specRow = new LinkedHashMap<>();
 			specRow.put("name", HcsSyncConstant.PAYMENT_SPEC_ATTACH_NAME + ".pdf");
 			specRow.put("attachmentType", HcsSyncConstant.PAYMENT_ATTACH_TYPE_SPEC_RESULT);
-			// 网关按服务名前缀路由（口径同 nacos skip-url）；url 路径以 .pdf 结尾供前端预览组件识别后缀，
-			// inline 内嵌预览，浏览器可直接查看/另存
-			specRow.put("url", "/blade-transport/hcs/attachment/download/"
+			// 前端代理前缀 /api（网关服务名路由）；url 路径以 .pdf 结尾供前端附件组件识别类型，文件流 attachment 强制下载
+			specRow.put("url", "/api/blade-transport/hcs/attachment/download/"
 				+ URLEncoder.encode(HcsSyncConstant.PAYMENT_SPEC_ATTACH_NAME + ".pdf", StandardCharsets.UTF_8)
-				+ "?fdId=" + vo.getHcsSpecAttachFdId() + "&inline=true");
+				+ "?fdId=" + vo.getHcsSpecAttachFdId());
 			rows.add(specRow);
 			vo.setAttachmentsJson(JsonUtil.toJson(rows));
 		} catch (Exception exception) {