@

feat(resm): paper 查询加 publication_date 精确 + 范围过滤

- publication_date 精确日期过滤
- publication_date_gte / publication_date_lte 日期范围(含端点)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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apps/resm/filters.py

@@ -7,11 +7,16 @@ class PaperFilterSet(filters.FilterSet):
     publication_year_gte = filters.NumberFilter(field_name="publication_year", lookup_expr="gte")
     publication_year_lte = filters.NumberFilter(field_name="publication_year", lookup_expr="lte")
 
+    # 发表日期范围(比 year 更细,支持 YYYY-MM-DD)
+    publication_date_gte = filters.DateFilter(field_name="publication_date", lookup_expr="gte")
+    publication_date_lte = filters.DateFilter(field_name="publication_date", lookup_expr="lte")
+
     class Meta:
         model = Paper
         fields = [
             # 原有
             "publication_year",
+            "publication_date",   # 精确日期 YYYY-MM-DD
             "type",
             "fetch_status",
             "has_abstract",