feat(signing): 统一演示文书库并支持下载签名原图

clinical-web/src/views/management/documents/mock.ts

@@ -1,4 +1,4 @@
-import { MOCK_STORAGE_KEYS, readMockState, writeMockState } from '@/utils/mock-storage'
+import { readDocumentLibrary, writeDocumentLibrary } from '@/utils/mock-document-library'
 import type { SigningDocumentData } from '@/utils/signing-document'
 
 import type { DocumentDepartment, DocumentStatus } from './types'
@@ -17,17 +17,17 @@ export const documentStatusOptions = Object.entries(documentStatusLabels).map(([
 
 export { documentStatusLabels }
 
-// Word 自维护方案：文书库初始为空，所有文书由科室通过 Word 编辑器（粘贴 / 导入 .docx）创建维护。
-export const documentLibrary: DocumentDepartment[] = []
-
-/** 读取演示文书库：优先用本地保存的数据，没有则用初始空库（调用方负责再克隆一份使用） */
+// 演示文书库的种子与读取逻辑都在 utils/mock-document-library：
+// 文档库页面和签署工作台必须读同一份数据，否则会出现「文档库里维护的模板，签署端选不到」，
+// 或者签署端混着一批文档库里看不到、也无法维护的模板。
+/** 读取演示文书库：优先用本地保存的，没有则用种子（调用方负责再克隆一份使用） */
 export function loadDocumentLibrary(): DocumentDepartment[] {
-  return readMockState<DocumentDepartment[]>(MOCK_STORAGE_KEYS.documentLibrary) ?? documentLibrary
+  return readDocumentLibrary()
 }
 
 /** 保存演示文书库，刷新后仍可继续编辑、预览与发起签署 */
 export function saveDocumentLibrary(library: DocumentDepartment[]): void {
-  writeMockState(MOCK_STORAGE_KEYS.documentLibrary, library)
+  writeDocumentLibrary(library)
 }
 
 /**

clinical-web/src/views/workbench/signing/index.vue

@@ -261,8 +261,9 @@ async function loadTaskDetail(id: string | null) {
         throw detailResult.reason
       }
 
-      selectedTask.value = detailResult.value
-      signingAnswers.value = { ...(detailResult.value.fieldAnswers ?? {}) }
+      const detail = detailResult.value
+      selectedTask.value = detail
+      signingAnswers.value = { ...(detail?.fieldAnswers ?? {}) }
 
       if (eventsResult.status === 'fulfilled') {
         taskEvents.value = eventsResult.value
@@ -465,6 +466,8 @@ async function handleTaskAction(action: SigningTaskAction) {
 
     if (artifact) {
       await downloadArtifact(artifact)
+    } else if (isSigningMockEnabled) {
+      ElMessage.info('原型环境不生成 PDF，可在下方「签署文件」中下载签名原图')
     } else {
       ElMessage.info('当前任务暂无签署后 PDF')
     }