feat: 新增归档中心页面并完善知识库与报销查询能力

新增前端归档中心视图及相关工具函数，扩充知识库文档分类和
提取器支持多种格式，增强编排器报销查询的多维度检索，优
化本体规则和用户代理审核消息，前端完善报销创建和审批详
情交互细节，补充单元测试覆盖。

server/src/app/services/ontology_detection.py

@@ -114,6 +114,20 @@ class OntologyDetectionMixin:
             return "query", 0.24
         if any(keyword in compact_query for keyword in DRAFT_KEYWORDS):
             return "draft", 0.26
+        if scenario == "expense" and "报销" in compact_query and any(
+            item.type == "expense_type"
+            and str(item.normalized_value or item.value or "").strip()
+            for item in entities
+        ) and not any(
+            keyword in compact_query
+            for keyword in (
+                *QUERY_KEYWORDS,
+                *COMPARE_KEYWORDS,
+                *EXPLAIN_KEYWORDS,
+                *RISK_KEYWORDS,
+            )
+        ):
+            return "draft", 0.25
         if scenario == "expense" and self._is_generic_expense_prompt(compact_query):
             return "draft", 0.24
         if any(keyword in compact_query for keyword in COMPARE_KEYWORDS):
@@ -220,7 +234,11 @@ class OntologyDetectionMixin:
         has_expense_signal = any(
             keyword in compact_query for keyword in EXPENSE_NARRATIVE_KEYWORDS
         ) or "expense_type" in entity_types
-        has_context_signal = bool(time_range.start_date) or "amount" in entity_types
+        has_context_signal = (
+            bool(time_range.start_date)
+            or "amount" in entity_types
+            or ("报销" in compact_query and "expense_type" in entity_types)
+        )
 
         return has_expense_signal and has_context_signal