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

app/routes/search.py

@@ -7,12 +7,12 @@ from xml.sax.saxutils import escape
 
 from fastapi import APIRouter, Depends, Query, Request
 from fastapi.responses import Response
-from sqlalchemy import text
+from sqlalchemy import select
 from sqlalchemy.orm import Session, joinedload
 
 from app.config import settings
 from app.database import get_db
-from app.models import Paper, PaperTag, UserReadingStatus
+from app.models import Paper, PaperTag
 from app.services.searcher import get_all_tags, search_papers
 from app.services.user_data import query_reading_list
 from app.utils import templates, today_str
@@ -144,9 +144,9 @@ def rss_feed(
     """RSS 2.0 Feed — 最近 7 天论文。"""
     seven_days_ago = date.today() - timedelta(days=7)
 
-    query = (
-        db.query(Paper)
-        .filter(Paper.paper_date >= seven_days_ago)
+    stmt = (
+        select(Paper)
+        .where(Paper.paper_date >= seven_days_ago)
         .options(
             joinedload(Paper.authors),
             joinedload(Paper.tags),
@@ -156,9 +156,9 @@ def rss_feed(
     )
 
     if tag:
-        query = query.filter(Paper.tags.any(PaperTag.tag == tag))
+        stmt = stmt.where(Paper.tags.any(PaperTag.tag == tag))
 
-    papers = query.all()
+    papers = db.execute(stmt).unique().scalars().all()
     xml = _generate_rss_xml(papers, settings.BASE_URL, tag or None)
     return Response(content=xml, media_type="application/xml")