feat: 增强知识库索引与设置页面模块化拆分

扩展知识库索引任务和 RAG 检索支持增量入库和文档去重，优
化本体检测和规则匹配精度，前端设置页面拆分为 LLM、邮件
和 Hermes 员工同步子面板并重构样式，新增日志详情组件和
知识入库日志模型，补充单元测试覆盖。

server/tests/test_expense_claim_service.py

@@ -181,6 +181,49 @@ def test_save_or_submit_persists_claim_only_after_save_draft_action() -> None:
         assert _count_claims(db) == before_count + 1
 
 
+def test_save_draft_persists_user_changed_expense_category() -> None:
+    user_id = "save-draft-category@example.com"
+    message = "业务发生时间:2026-03-04，打车去客户现场，交通费32元，请帮我看看怎么报"
+
+    with build_session() as db:
+        employee = Employee(
+            employee_no="E5102",
+            name="分类员工",
+            email=user_id,
+        )
+        db.add(employee)
+        db.commit()
+        ontology = SemanticOntologyService(db).parse(
+            OntologyParseRequest(
+                query=message,
+                user_id=user_id,
+            )
+        )
+
+        result = ExpenseClaimService(db).save_or_submit_from_ontology(
+            run_id=ontology.run_id,
+            user_id=user_id,
+            message=message,
+            ontology=ontology,
+            context_json={
+                "name": "分类员工",
+                "user_input_text": message,
+                "review_action": "save_draft",
+                "review_form_values": {
+                    "expense_type": "办公用品费",
+                    "amount": "32元",
+                    "occurred_date": "2026-03-04",
+                    "reason": "右侧核对后改为办公用品费",
+                },
+            },
+        )
+
+        claim = db.get(ExpenseClaim, result["claim_id"])
+        assert claim is not None
+        assert claim.expense_type == "office"
+        assert claim.items[0].item_type == "office"
+
+
 def test_unsaved_conversation_expires_after_retention_but_saved_conversation_stays() -> None:
     with build_session() as db:
         service = AgentConversationService(db)