fix(frontend): align MockDocumentMeta markdown property and guard nullish input in markdownToBlockAST

scripts/seed_ten_projects.py

@@ -494,30 +494,46 @@ def build_data():
             "summary": f"{p['name']}的系统验证方案及计划，基于已批准的规格书全量映射构建，文档血缘已绑定。"
         })
         
-        # 存储文档正文
+        # 存储文档正文 (完全对齐 MockDocumentMeta 契约)
         documents[doc_srs_id] = {
-            "title": p["srs_title"],
             "docId": doc_srs_id,
-            "category": "workflow",
             "projectId": pid,
+            "taskKey": "system_reqs",
+            "title": p["srs_title"],
+            "stage": "V0.5",
+            "category": "workflow",
+            "creatorId": 1,
+            "creatorName": "系统管理员",
+            "version": "V1.0",
+            "lifecycleState": "approved",
+            "isClaimed": True,
             "author": "张工",
             "reviewer": "李主管",
             "approver": "王总监",
-            "version": "1.0",
-            "status": "approved",
+            "updatedAt": "2026-09-11 00:00:00",
+            "summary": f"{p['name']}系统需求规格书，已通过法规与工程联合评审。",
+            "markdown": srs_md,
             "content": srs_md,
             "sha256": srs_hash
         }
         documents[doc_svp_id] = {
-            "title": p["svp_title"],
             "docId": doc_svp_id,
-            "category": "workflow",
             "projectId": pid,
+            "taskKey": "test_manager",
+            "title": p["svp_title"],
+            "stage": "V0.5",
+            "category": "workflow",
+            "creatorId": 1,
+            "creatorName": "系统管理员",
+            "version": "V1.0",
+            "lifecycleState": "approved",
+            "isClaimed": True,
             "author": "张工",
             "reviewer": "李主管",
             "approver": "王总监",
-            "version": "1.0",
-            "status": "approved",
+            "updatedAt": "2026-09-11 00:35:00",
+            "summary": f"{p['name']}系统验证方案及计划，已建立完整需求映射。",
+            "markdown": svp_md,
             "content": svp_md,
             "sha256": svp_hash,
             "upstreamDocId": doc_srs_id,

web/src/App.tsx

@@ -664,20 +664,21 @@ export default function App() {
   const [docCache, setDocCache] = useState<Record<string, DocumentAST>>(() => {
     const initialCache: Record<string, DocumentAST> = { ...P2_INITIAL.docASTMap };
     Object.entries(ALL_MOCK_DOCUMENTS).forEach(([id, meta]) => {
-      initialCache[id] = markdownToBlockAST(meta.markdown, {
-        docId: meta.docId,
-        title: meta.title,
-        taskKey: meta.taskKey,
-        version: meta.version,
-        category: meta.category,
-        creatorId: meta.creatorId,
-        creatorName: meta.creatorName,
+      const rawText = meta.markdown || (meta as any).content || '';
+      initialCache[id] = markdownToBlockAST(rawText, {
+        docId: meta.docId || id,
+        title: meta.title || '',
+        taskKey: meta.taskKey || 'system_reqs',
+        version: meta.version || 'V1.0',
+        category: meta.category || 'workflow',
+        creatorId: meta.creatorId || 1,
+        creatorName: meta.creatorName || '系统管理员',
         sharedAt: meta.sharedAt,
-        lifecycleState: meta.lifecycleState,
-        isClaimed: meta.isClaimed,
-        author: meta.author,
-        reviewer: meta.reviewer,
-        approver: meta.approver,
+        lifecycleState: meta.lifecycleState || 'approved',
+        isClaimed: meta.isClaimed ?? true,
+        author: meta.author || '张工',
+        reviewer: meta.reviewer || '李主管',
+        approver: meta.approver || '王总监',
       });
     });
     return initialCache;

web/src/engine/markdownToBlock.ts

@@ -14,7 +14,8 @@ export function markdownToBlockAST(
   md: string,
   meta?: Partial<DocumentAST>
 ): DocumentAST {
-  const lines = md.split(/\r?\n/);
+  const safeMd = typeof md === 'string' ? md : '';
+  const lines = safeMd.split(/\r?\n/);
   const blocks: DocumentBlock[] = [];
 
   let i = 0;