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

app/services/embedder.py

@@ -5,7 +5,8 @@ from __future__ import annotations
 import logging
 from pathlib import Path
 
-from sqlalchemy.orm import Session, joinedload
+from sqlalchemy import select
+from sqlalchemy.orm import joinedload
 
 from app.config import settings
 from app.models import Paper
@@ -188,12 +189,11 @@ def index_paper(paper_id: str, texts_dict: dict | None = None) -> bool:
 
             db = SessionLocal()
             try:
-                paper = (
-                    db.query(Paper)
-                    .filter(Paper.arxiv_id == paper_id)
+                paper = db.execute(
+                    select(Paper)
+                    .where(Paper.arxiv_id == paper_id)
                     .options(joinedload(Paper.tags), joinedload(Paper.summary))
-                    .first()
-                )
+                ).unique().scalar_one_or_none()
                 if not paper:
                     logger.warning("Paper %s not found for indexing", paper_id)
                     return False
@@ -242,36 +242,6 @@ def index_paper(paper_id: str, texts_dict: dict | None = None) -> bool:
         return False
 
 
-# ── 批量索引 ────────────────────────────────────────────────────────────
-
-
-def index_batch(paper_ids: list[str]) -> dict:
-    """批量索引论文，单篇失败不影响其他。
-
-    Returns:
-        {"total": int, "success": int, "failed": int}
-    """
-    if not paper_ids:
-        return {"total": 0, "success": 0, "failed": 0}
-
-    col = get_collection()
-    if col is None:
-        return {"total": len(paper_ids), "success": 0, "failed": len(paper_ids)}
-
-    success = 0
-    failed = 0
-    for pid in paper_ids:
-        if index_paper(pid):
-            success += 1
-        else:
-            failed += 1
-
-    logger.info(
-        "Batch index: total=%d success=%d failed=%d", len(paper_ids), success, failed
-    )
-    return {"total": len(paper_ids), "success": success, "failed": failed}
-
-
 # ── 删除 ────────────────────────────────────────────────────────────────