feat: 新增预算费控模型与报销审批流引擎

后端新增预算费控服务和报销单审批流模块，引入申请人费用画像
算法，优化知识库 RAG 运行时和同步逻辑，完善报销单工作流常
量和明细同步，更新差旅报销规则电子表格，前端新增预算分析
组件和数字员工模型，完善审批对话框和洞察面板交互，优化侧
边栏和顶栏样式，补充单元测试。

server/tests/test_knowledge_service.py

@@ -12,6 +12,7 @@ from app.db.base import Base
 from app.services.agent_runs import AgentRunService
 from app.services.knowledge import (
     KNOWLEDGE_INGEST_STATUS_FAILED,
+    KNOWLEDGE_INGEST_STATUS_INGESTED,
     KNOWLEDGE_INGEST_STATUS_SYNCING,
     KnowledgeService,
 )
@@ -88,3 +89,41 @@ def test_reconcile_document_ingest_status_keeps_failed_when_linked_run_failed(
         entry = next(item for item in index["documents"] if item["id"] == uploaded.id)
         assert changed is True
         assert entry["ingest_status"] == KNOWLEDGE_INGEST_STATUS_FAILED
+
+
+def test_reconcile_document_ingest_status_preserves_ingested_when_status_map_missing(
+    tmp_path,
+    monkeypatch,
+) -> None:
+    service = KnowledgeService(storage_root=tmp_path)
+    uploaded = service.upload_document(
+        "报销制度",
+        "demo.txt",
+        b"hello",
+        CurrentUserContext(
+            username="admin",
+            name="管理员",
+            role_codes=["manager"],
+            is_admin=True,
+        ),
+    )
+    service.set_document_ingest_statuses(
+        [uploaded.id],
+        KNOWLEDGE_INGEST_STATUS_INGESTED,
+        agent_run_id="run_missing_status_map",
+    )
+    monkeypatch.setattr(
+        "app.services.knowledge_rag.KnowledgeRagService.get_document_status_map",
+        lambda self, _document_ids: {},
+    )
+
+    index = service._load_index()
+    changed = service._reconcile_document_ingest_statuses(
+        index,
+        document_ids=[uploaded.id],
+        preserve_syncing=False,
+    )
+
+    entry = next(item for item in index["documents"] if item["id"] == uploaded.id)
+    assert changed is False
+    assert entry["ingest_status"] == KNOWLEDGE_INGEST_STATUS_INGESTED