feat(resm): OpenAlex 元数据抓取支持书籍/书章类型

- 新增 OPENALEX_WORK_TYPES 常量(article|book|book-chapter),替换四处硬编码 type="article" 过滤
- select 字段增加 type,Paper.type 写入 OpenAlex 真实类型而非写死 article
- get_paper_meta_from_openalex / backfill 增加 types 参数,断点 cache key 纳入 types(游标只对相同查询有效)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

apps/resm/tasks.py

@@ -58,9 +58,12 @@ def run_async(coro):
 OPENALEX_SELECT_FIELDS = [
     "id", "doi", "title", "publication_date",
     "open_access", "authorships", "primary_location", "publication_year",
-    "display_name", "content_urls"
+    "display_name", "content_urls", "type"
 ]
 
+# OpenAlex 抓取的 work 类型,"|" 表示 OR;记录的真实 type 会写回 Paper.type
+OPENALEX_WORK_TYPES = "article|book|book-chapter"
+
 
 def _apply_keyword_search(pager, keywords: str, search: str):
     """把 keywords / search 过滤条件套到 pyalex 的 pager 上。
@@ -87,7 +90,7 @@ def _build_paper_from_record(record, keywords: str, search: str) -> Paper:
     paper.o_keywords = keywords
     paper.o_search = search
     paper.source = "openalex"
-    paper.type = "article"
+    paper.type = (record.get("type") or "article")[:20]
     paper.openalex_id = record["id"].split("/")[-1]
     paper.doi = record["doi"].replace("https://doi.org/", "")
     paper.title = record["display_name"]
@@ -146,14 +149,16 @@ def _crawl_openalex_query(base_pager, keywords: str, search: str, cache_key: str
 
 
 @shared_task(base=CustomTask)
-def get_paper_meta_from_openalex(publication_year:int, keywords:str="", search:str="", end_year:int=None):
+def get_paper_meta_from_openalex(publication_year:int, keywords:str="", search:str="", end_year:int=None,
+                                 types:str=OPENALEX_WORK_TYPES):
     if not (keywords or search):
         raise Exception("keywords or search must be provided")
-    cache_key = f"openalex_cursor_{publication_year}_{keywords}{search}"
+    # types 进 key:OpenAlex 游标只对完全相同的查询有效,换类型过滤必须换 checkpoint
+    cache_key = f"openalex_cursor_{publication_year}_{keywords}{search}_{types}"
     base = Works().filter(
         publication_year=publication_year,
         has_doi=True,
-        type="article"
+        type=types
     )
     base = _apply_keyword_search(base, keywords, search)
     _crawl_openalex_query(base, keywords, search, cache_key=cache_key,
@@ -168,7 +173,8 @@ def get_paper_meta_from_openalex(publication_year:int, keywords:str="", search:s
                     "publication_year": publication_year + 1,
                     "keywords": keywords,
                     "search": search,
-                    "end_year": end_year
+                    "end_year": end_year,
+                    "types": types
                 },
                 countdown=5
             )
@@ -186,7 +192,7 @@ def _fetch_openalex_published_since(keywords: str, search: str, from_publication
     """
     base = Works().filter(
         has_doi=True,
-        type="article",
+        type=OPENALEX_WORK_TYPES,
         from_publication_date=from_publication_date,
     )
     base = _apply_keyword_search(base, keywords, search)
@@ -225,7 +231,8 @@ BACKFILL_STOP_KEY = "backfill_paper_meta_stop"
 
 @shared_task(base=CustomTask)
 def backfill_paper_meta_from_openalex(from_publication_date: str, to_publication_date: str = None,
-                                      combo_index: int = 0, combos=None):
+                                      combo_index: int = 0, combos=None,
+                                      types: str = OPENALEX_WORK_TYPES):
     """按发表日期一次性回补论文索引,支持断点续传(应对 OpenAlex 配额限制)。
 
     本任务只负责策略:抓哪些查询组合、按什么发表日期区间、怎么 chain。
@@ -252,7 +259,7 @@ def backfill_paper_meta_from_openalex(from_publication_date: str, to_publication
         })]
 
     def ckey(kw, search):
-        return f"backfill_cursor_{from_publication_date}|{to_publication_date}|{kw}|{search}"
+        return f"backfill_cursor_{from_publication_date}|{to_publication_date}|{kw}|{search}|{types}"
 
     # 跳过已完成的组合
     while combo_index < len(combos):
@@ -267,7 +274,7 @@ def backfill_paper_meta_from_openalex(from_publication_date: str, to_publication
     kw, search = combos[combo_index]
     cursor_key = ckey(kw, search)
     base = Works().filter(
-        has_doi=True, type="article", from_publication_date=from_publication_date,
+        has_doi=True, type=types, from_publication_date=from_publication_date,
     )
     if to_publication_date:
         base = base.filter(to_publication_date=to_publication_date)
@@ -294,6 +301,7 @@ def backfill_paper_meta_from_openalex(from_publication_date: str, to_publication
             "to_publication_date": to_publication_date,
             "combo_index": combo_index + 1,
             "combos": combos,
+            "types": types,
         },
         countdown=3,
     )
@@ -317,7 +325,7 @@ def monitor_papers(monitor_id: str = None):
     results = []
     for m in qs:
         from_pub = (timezone.now() - timedelta(days=m.days or 30)).date().isoformat()
-        base = Works().filter(has_doi=True, type="article", from_publication_date=from_pub)
+        base = Works().filter(has_doi=True, type=OPENALEX_WORK_TYPES, from_publication_date=from_pub)
         kw, search = "", ""
         if m.type == PaperMonitor.TYPE_JOURNAL:
             base = base.filter(primary_location={"source": {"issn": m.value}})