feat: add admin dashboard, pipeline service, lightbox, and update dependencies

app/services/cleaner.py

@@ -2,21 +2,20 @@
 
 from __future__ import annotations
 
+import json
 import logging
 import shutil
-from datetime import date, datetime, timezone
-from pathlib import Path
+from datetime import date
 
-from sqlalchemy import delete, select, text
+from sqlalchemy import select, text
 from sqlalchemy.orm import Session
 
 from app.models import (
     CrawlLog,
     DataDeleteJob,
     Paper,
-    TaskLock,
 )
-from app.utils import PAPERS_DIR, TMP_DIR
+from app.utils import PAPERS_DIR, TMP_DIR, utc_now
 
 logger = logging.getLogger(__name__)
 
@@ -39,7 +38,7 @@ def cleanup_tmp(max_age_hours: int = _MAX_TMP_AGE_HOURS) -> dict:
     if not TMP_DIR.exists():
         return {"scanned": 0, "removed": 0, "errors": []}
 
-    now = datetime.now(timezone.utc)
+    now = utc_now()
     cutoff = now.timestamp() - (max_age_hours * 3600)
     scanned = 0
     removed = 0
@@ -96,7 +95,7 @@ async def delete_papers_by_date_range(
     Returns:
         删除结果统计
     """
-    now = datetime.now(timezone.utc)
+    now = utc_now()
 
     # 查询目标论文
     papers = (
@@ -195,7 +194,7 @@ async def delete_papers_by_date_range(
 
     job.status = job_status
     job.paper_count = deleted
-    job.completed_at = datetime.now(timezone.utc)
+    job.completed_at = utc_now()
     if job_error:
         job.error = job_error[:4000]
     db.commit()
@@ -205,9 +204,14 @@ async def delete_papers_by_date_range(
         task="delete",
         status=job_status,
         started_at=now,
-        completed_at=datetime.now(timezone.utc),
+        completed_at=utc_now(),
         papers_found=total,
         papers_new=deleted,
+        details_json=json.dumps({
+            "total_before": total,
+            "deleted": deleted,
+            "failed": len(failed_items),
+        }, ensure_ascii=False),
         error=job_error,
     )
     db.add(log_entry)